weight | 17.7kg | ||









The UNI-T UT501A is a professional digital insulation resistance tester (Megohmmeter) designed for electrical insulation testing up to 5GΩ. It features selectable test voltages of 100V, 250V, 500V, and 1000V, making it suitable for testing motors, transformers, cables, switchgear, electrical installations, and industrial equipment. With automatic discharge protection, backlit LCD, audible and visual alarms, and AC voltage measurement up to 750V, the UT501A is an ideal tool for electricians and maintenance professionals.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT501A |
| Product Type | Digital Insulation Resistance Tester (Megohmmeter) |
| Display | Digital LCD (2000 Counts) |
| Maximum Display | 1999 |
| Insulation Resistance Range | 0MΩ – 5GΩ |
| Test Voltages | 100V / 250V / 500V / 1000V |
| AC Voltage Range | 30V – 750V |
| Test Current | ≥1mA |
| Short Circuit Current | <2mA |
| Auto Range | Yes |
| Automatic Discharge | Yes |
| LCD Backlight | Yes |
| Light Alarm | Yes |
| Buzzer Alarm | Yes |
| High Voltage Indicator | Yes |
| Overload Protection | Yes |
| Low Battery Indicator | Yes |
| Test Voltage Display | Yes |
| 10MΩ Internal Resistance Test | Yes |
| Operating Temperature | -10°C to 40°C |
| Power Supply | 6 × 1.5V AA (LR6) Batteries |
| Product Dimensions | 150 × 100 × 71 mm |
| Weight | Approx. 500 g |
| Certifications | CE, FCC, RoHS |
| Origin | Mainland China |
weight | 17.7kg | ||








The UNI-T UT501E is a professional fast insulation resistance tester designed for electricians, maintenance engineers, and industrial applications. It measures insulation resistance up to 4GΩ with five selectable test voltages (100V, 125V, 250V, 500V, and 1000V). Featuring 2.5× faster testing, PI & DAR analysis, data storage, remote testing, PC software support, and IP54 protection, the UT501E is an ideal solution for testing motors, transformers, cables, switchgear, and electrical installations.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT501E |
| Product Type | Fast Digital Insulation Resistance Tester |
| Insulation Resistance Range | 0.01MΩ – 4000MΩ (4GΩ) |
| Selectable Test Voltages | 100V / 125V / 250V / 500V / 1000V |
| Low Resistance Measurement | 0.00Ω – 400Ω |
| AC Voltage Measurement | 30V – 600V |
| DC Voltage Measurement | 30V – 600V |
| Rated Test Current | 1.0mA |
| Short Circuit Current | <2.0mA |
| Fast Measurement | 2.5× Faster |
| PI Test | Yes |
| DAR Test | Yes |
| Comparison Function | Yes |
| Auto Discharge | Yes |
| High Voltage Alarm | Audible & Visual |
| Manual Range | Insulation Measurement |
| Auto Range | Voltage Measurement |
| Data Storage | 99 Groups |
| PC Software | Supported (USB Connection) |
| Remote Testing | Supported |
| Security Lock | Yes |
| Analog Bar Graph | Yes |
| Backlight | Yes |
| Auto Power Off | Yes |
| Low Battery Indicator | Yes |
| Protection Rating | IP54 |
| Safety Category | CAT III 600V |
| Power Supply | 11.1V 2600mAh Rechargeable Lithium Battery |
| Dimensions (L × W × H) | 161 × 116 × 68 mm |
| Product Color | Black & Red |
| Battery Included | Yes |
| Origin | Mainland China |








The UNI-T UT502A is a professional digital insulation resistance tester (Megohmmeter) designed for high-voltage insulation testing up to 2500V. It measures insulation resistance up to 20GΩ and features PI & DAR testing, low resistance measurement, AC voltage testing, automatic discharge, LCD backlight, audible alarms, and overload protection. It is an ideal instrument for electricians, industrial maintenance engineers, power distribution systems, cable testing, transformer maintenance, and motor insulation inspection.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT502A |
| Product Type | Digital Insulation Resistance Tester (Megohmmeter) |
| Display | Digital LCD (2000 Counts) |
| Insulation Resistance Range | 0MΩ – 20GΩ |
| Selectable Test Voltages | 500V / 1000V / 2500V |
| Low Resistance Range | 0.01Ω – 200Ω |
| AC Voltage Measurement | 30V – 600V |
| Rated Test Current | 1mA |
| Short Circuit Current | <2mA |
| Accuracy Class | 3% |
| DAR Function | Yes (60s/15s & 60s/30s) |
| PI Function | Yes |
| Auto Range | Yes |
| Auto Discharge | Yes |
| LCD Backlight | Yes |
| Light Alarm | Yes |
| Buzzer Alarm | Yes |
| High Voltage Indicator | Yes |
| Overload Protection | Yes |
| Low Battery Indicator | Yes |
| Test Voltage Secondary Display | Yes |
| 10MΩ Internal Resistance Test | Yes |
| Operating Temperature | 0°C – 50°C |
| Power Supply | 6 × 1.5V AA (LR6) Batteries |
| Display Size | 70.6 × 34 mm |
| Dimensions (L × W × H) | 150 × 100 × 71 mm |
| Weight | Approx. 500 g |
| Product Color | Red & Grey |
| Certifications | CE, FCC, RoHS, IEC 61557 |
| Origin | Mainland China |






The UNI-T UT503PV is a professional photovoltaic (PV) insulation resistance tester designed for testing solar power systems, electrical installations, cables, motors, and industrial equipment. It offers live PV insulation testing, insulation resistance measurement up to 4000MΩ, and voltage measurement up to 1000V DC / 600V AC. With Bluetooth connectivity, USB data transfer, 1000-record memory, stepping voltage testing, compare function, and automatic discharge protection, the UT503PV is an ideal instrument for solar installers, maintenance engineers, and electrical professionals.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT503PV |
| Product Type | PV Insulation Resistance Tester |
| Insulation Resistance Range | 1.51MΩ – 4000MΩ |
| PV Insulation Test | Supported (Live PV Testing) |
| Output Test Voltage | 1000V DC |
| DC Voltage Measurement | Up to 1000V DC |
| AC Voltage Measurement | Up to 600V AC |
| Stepping Voltage Function | Yes |
| Continuous Measurement | Yes |
| Time Measurement | Yes |
| Compare Function | Yes (IR Comparison) |
| Auto Discharge | Yes |
| High Voltage Alarm | Yes |
| Data Storage | 1000 Measurement Records |
| Communication | Bluetooth App + USB Cable |
| Display | Digital LCD with Auto/Manual Backlight |
| Backlight | Auto / Manual |
| Certification | CE |
| Application | PV & Electrical Insulation Testing |
| Origin | Mainland China |
\




The UNI-T UT5583 is a high-performance desktop insulation resistance tester designed for laboratories, production lines, quality control, and industrial electrical testing. It measures insulation resistance up to 10TΩ with programmable DC test voltages from 1V to 1000V. Featuring a large 4.3-inch color LCD, leakage current measurement, PASS/FAIL comparator, calibration function, and high measurement accuracy, the UT5583 is an ideal solution for professional insulation testing.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT5583 |
| Product Type | Desktop Insulation Resistance Tester |
| Insulation Resistance Range | 10kΩ – 10TΩ |
| Test Voltage | 1V – 1000V DC (Programmable) |
| Measurement Parameters | Insulation Resistance & Leakage Current |
| Accuracy | <1MΩ: ±5% ≥1MΩ: ±1% ≥1GΩ: ±3% |
| Display | 4.3-inch True Color LCD |
| Display Type | Digital |
| Comparator Function | UFAIL / PASS / LFAIL |
| Data Storage | 1 Comparator Record |
| Calibration | Full Range Open Circuit Reset |
| Operating Temperature | 0°C – 40°C |
| Power Supply | AC 110V / 220V, 47–63Hz |
| Device Dimensions | 215 × 88 × 382.3 mm |
| Package Dimensions | 515 × 365 × 220 mm |
| Package Weight | 4.5 kg |
| Place of Origin | Jiangsu, China |







Specification | Details |
Model Number | UT516B |
Battery Included | No |
High-concerned Chemical | None |
Dimensions | 510 × 320 × 420 mm |
Testing Voltage | 12 kV |
Measuring Range | 10 TΩ |
Display Type | Digital Only |
DIY Supplies | Electrical |
Brand Name | UNI-T |
Origin | Mainland China |
Certification | None |
LCD Backlight:Clearly view test results in any lighting condition with the LCD backlight.
Memory Storage:Store test results in the tester memory for easy access and review.
Ut516b|Uni T Ut516b|High Voltage Range:Test up to 12kV with 6 selectable ranges for comprehensive insulation resistance measurement.
USB Data Transfer:Effortlessly transfer test data to a PC via USB, ensuring accurate records for analysis.
Comparative Measurement:Compare measurements to previous tests, aiding in maintenance and troubleshooting.
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The UT516B is a digital high voltage insulation resistance tester with 6 ranges: 500V, 1000V, 2500V, 5000V, 10000V and 12000V.
Fine adjustment of voltage with 10% step at each range (except 12000V) is available.
Test data can be saved in the tester memory and transferred to a PC via the dedicated USB cable, or be transferred to a PC in real time.
The tester, with high performance and easy operation, is widely used in the measurement and maintenance of power equipment and power supply circuits.
Features:
1. AC/DC voltage
2. USB data transfer
3. Low battery indication
4. Data storage
5. LCD backlight
6. Polarization Index
7. Over-range alarm
8. 9999 Max display
9. Comparative measurement
10. Measurement time selection
Take notice: Battery was not included for air shipping, please prepare it by yourself.
Specifications of UT516B Insulation Resistance Tester
High Voltage Range: 500V to 12000V
Accuracy: ±(5%+3) at 500V to 2500V, ±(8%+3) at 5000V to 10000V, ±(10%+3) at 12000V
Memory: 9999 data sets
USB Communication: Yes
Battery Indicator: Yes
Polarization Index: Yes
|Uni T Ut516b|
**Advanced Measurement Capabilities**
The UNI-T UT516B High Voltage Insulation Resistance Tester is an essential tool for electrical professionals and DIY enthusiasts alike. With a versatile range of 500V to 12000V, this digital megohmmeter is equipped to handle a wide array of insulation resistance testing scenarios. Its high precision, with an accuracy of ±(5%+3) at 500V to 2500V, ±(8%+3) at 5000V to 10000V, and ±(10%+3) at 12000V, ensures reliable results for even the most critical measurements.
**Seamless Data Management and Transfer**
The UT516B's USB communication capability allows for quick and easy data transfer to a PC, enabling users to store and analyze test results with ease. The dedicated USB cable simplifies the process, making it a breeze to share data with colleagues or clients. Additionally, the tester's memory can store up to 9999 data sets, providing ample storage for extensive testing projects.
**User-Friendly Design and Functionality**
The UT516B is not only a powerful tool but also a user-friendly device. Its LCD backlight ensures clear visibility in low-light conditions, while the polarization index feature offers additional insights into the test results. The tester's design is compact and lightweight, making it suitable for use in a variety of environments. Moreover, the low battery indicator alerts users when it's time to replace the batteries, ensuring that the tester is always ready for use.
**Versatile Application and Safety**
The UNI-T UT516B High Voltage Insulation Resistance Tester is designed for use in electrical maintenance and power supply circuit testing. Its robust construction and safety features make it an essential tool for professionals working in the electrical field. Whether it's for routine maintenance or critical repair, the UT516B is the go-to device for reliable, precise insulation resistance testing.










Specification | Details |
Model Number | UT533 |
Brand Name | UNI-T |
Battery Included | No |
High-concerned Chemical | None |
Operating Mode | Auto Range |
Operating Temperature | 0 – 40 ℃ |
DIY Supplies | Electrical |
Certification | CE |
Origin | Mainland China |
DC Voltage | 1000V |
AC Voltage | 1000V |
Display Type | Digital Display |
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Uni-T UT533 digital multimeter insulation resistance meter 2 Gigaohm 1000V 2 in 1 for electric cable motor transformer
Features of UT533 Insulation Multimeter 1. AC/DC voltage measurement 2. AC/DC current measurement 3. Insulation resistance measurement 4. Resistance & Capacity test 5. Frequency & Temperature test 6. 1000V output voltage 7. Double insulation design
Specifications | Range | UT533 |
Insulation resistance | 0.1MΩ~2GΩ | ±(5%+5) |
Output voltage | 50~1000V | – |
AC voltage (V) | 6V~1000V | ±(2%+3) |
DC voltage (V) | 6mV~1000V | ±(0.3%+4) |
AC Current | 60mA ~600mA | ±(1.5%+2) |
DC Current | 60mA ~600mA | ±(1.0%+2) |
Resistance (Ω) | 600Ω~40MΩ | ±(1.5%+3) |
Capacitance (F) | 10nF~100uF | ±(3%+5) |
Frequency (Hz) | 60Hz~1MHz | ±(0.1%+3) |
Temperature(鈩�) | -40鈩� ~ 537鈩� | ±(1%+10) |








Specification | Details |
Model Number | UT523A |
Brand Name | UNI-T |
Battery Included | Yes |
High-concerned Chemical | None |
DIY Supplies | Electrical |
Origin | Mainland China |
Place of Origin | Guangdong, China |
Display Type | Digital Only |
Dimensions | 215 × 190 × 95 mm |
Earth Resistance Range | 0.00 kΩ ~ 210.0 kΩ |
AC Earth Voltage | 0.00 ~ 750 V |
Weight | 1443 g |
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UNI-T UT523A RS232 Digital 2/3/4 Pole Earth Ground Resistance Voltage Soil Resistivity Tester
Product Information
Specifications: | Range | Accuracy |
Model number | UT523A | |
Earth resistance | 0.00Ω~19.99Ω | ±(2%+5) |
20.0Ω~199.9Ω | ±(2%+5) | |
200Ω~1999Ω | ±(2%+5) | |
2.00kΩ~19.99kΩ | ±(2%+5) | |
20.0kΩ~210.0kΩ | ±(2%+5) | |
Soil resistivity | 0.00Ωm~99.99Ωm | Depends on R accuracy: (ρ=2πaR a:1 m~100m; π=3.141) |
100.0Ωm~999.9Ωm | ||
1000Ωm~9999Ωm | ||
10.00kΩm~99.99kΩm | ||
100.0kΩm~999.9kΩm | ||
1000kΩm~9000kΩm | ||
Earth voltage | AC 0.00~750V | ±(2%+5) |
Measuring frequency | 128Hz/111Hz/105Hz/94Hz(AFC) | Yes |
Features: | ||
Measuring method | Earth resistance: Rated current role changing method, measuring current 20mA Max; Soil resistivity: 4-pole method(Wenner method); Voltage to earth:Mean values rectifier(P(S)-ES interfaces) | Yes |
General | ||
Power | DC 9V ( R14S 1.5Vx 6 , stand by 300hours)(Batteries are not included) | |
LCD size | 128mmx75mm | |
Color | Red + Grey | |
Weight | 1443g | |
Size | 215mmx190mmx95mm | |
Accessories | Standard test leads, simple test leads, battery(not included), CD, RS232 cable | |





CE & UKCA Certified:CE and UKCA certified for compliance and reliability.
Phase Conversion & RCD Test:Features Phase conversion (RCD test) for comprehensive safety checks.
Uni T Ut526|Ut526 Uni T|High Measuring Range:Measures from 0.05M Ohm to 500M Ohm, ensuring versatile testing capabilities.
Digital Display & Manual Range:Large 71mm x 34mm digital display with manual range for precise readings.
Multi-functional Design:Tests insulation resistance, RCD status, low resistance continuity, and voltage.
Specification | Details |
Model Number | UT526 |
Brand Name | UNI-T |
Battery Included | No |
High-concerned Chemical | None |
Dimensions | 160 × 100 × 71 mm |
Operating Temperature | -10 ~ 45 ℃ |
Accuracy Class | ±(5%+5) |
Testing Voltage | 250V / 500V / 1000V |
Measuring Range | 0.05MΩ ~ 500MΩ |
Display Type | Digital Only |
DIY Supplies | Electrical |
Certification | CE, FCC, RoHS |
Maximum Display | 9999 |
Low Resistance Continuity Test | Yes |
RCD Test | Yes |
Voltage Measurement | Yes |
Manual Range | Yes |
Phase Conversion (RCD Test) | Yes |
Low Voltage Display | Yes |
AC/DC Voltage Auto Discrimination | Yes |
Battery | 1.5V (LR6) × 6 (Not Included) |
LCD Size | 71 × 34 mm |
Color | Red + Gray |
Equipment Weight | 380 g |
Equipment Size | 160 × 100 × 71 mm |
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UT526 Multifunction Electrical Meter
UT526 is a multifunctional electrical installation tester. It can be used to test insulation resistance, RCD status, low resistance continuity, and voltage measurements. UT526 can be used to test power distribution system, lightning protection system and wiring systems to ensure safe operations.
Features of UT526 Multifunction Electrical Meter
Certificates: CE, UKCA
● Display count: 10000
● Manual range
● Phase switch (RCD): 0°and 180°
● Low battery indication
● Auto AC/DC voltage identification
● Red warning lights
Specifications of UT526 Multifunction Electrical Meter
UNI-T UT526 Specifications Table
Specification | Range / Details |
Model | UT526 |
Insulation Resistance Test Voltage | 250V / 500V / 1000V |
Insulation Resistance Range (250V) | 0.05MΩ ~ 200MΩ (±5%+5) |
Insulation Resistance Range (500V) | 0.05MΩ ~ 300MΩ (±5%+5) |
Insulation Resistance Range (1000V) | 0.05MΩ ~ 500MΩ (±5%+5) |
Load Current | 1mA (250V, 500V, 1000V) |
Short Circuit Current | < 2mA |
RCD Operating Voltage | 220V (45Hz ~ 65Hz) |
RCD Test Current | 10mA / 30mA / 100mA / 300mA |
Trip Time Range | 0 ms ~ 2000 ms |
Low Resistance Continuity Range | 0Ω ~ 2000Ω (±2%+5) |
Continuity Test Voltage | ~5V |
Continuity Test Current | >200mA (R < 2Ω) |
DC Voltage Range | 0 ~ 440V (±5%+2) |
AC Voltage Range | 0 ~ 440V |
Maximum Display | 10000 counts |
Manual Range | Yes |
Phase Switch (RCD) | 0° and 180° |
Low Battery Indication | Yes |
Auto AC/DC Identification | Yes |
Warning Lights | Yes |
Item | Details |
Power | 1.5V (LR6) × 6 |
Display Size | 71 × 34 mm |
Color | Red + Grey |
Net Weight | 380 g |
Product Size | 160 × 100 × 71 mm |
Standard Accessories | Carrying bag, strap, test leads, alligator clips, test line |






Phase Conversion (RCD Test): YesnTesting Voltage: 250V/500V/1000VnBattery: 1.5V (LR6)*6 (Not Included)nVoltage Measurement: YesnDIY Supplies: ElectricalnMeasuring Range: 0.05M Ohm~500M OhmnBattery Included: NonOperating Temperature: -10~45℃nLow Voltage Display: YesnLow Resistance Continuity Test: YesnDisplay Type: Digital OnlynRed Warning Light: YesnManual Range: YesnLCD Size: 71mm*34mmnMaximum Display: 9999nAC and DC Voltage Automatic Discrimination: YesnEquipment Weight: 380gnLow Resistance Continuity Test: YesnEquipment Size: 160mm*100mm*71mmnAccuracy Class: 5%+5nProduct Name: UNI-T UT526nnn|Uni T Ut526|Ut526 Uni T|Uni T Ut526 Manual Pdf|nn**Comprehensive Electrical Testing Solution**nThe UNI-T UT526 is a versatile and essential tool for electrical professionals and DIY enthusiasts alike. This multifunction digital electric meter is designed to perform a variety of tests, including earth resistance, insulation resistance, and RCD testing. Its ability to measure resistance from 0.05M Ohm to a remarkable 500M Ohm ensures that it can handle a wide range of electrical installations and systems. The meter's high-precision 5%+5 accuracy class guarantees reliable and accurate results, making it an indispensable tool for any electrical project.nn**Advanced Electrical Measurement Capabilities**nThe UNI-T UT526 is equipped with advanced features that cater to both professional and DIY users. The phase conversion (RCD test) function allows for quick and easy testing of RCD status, ensuring the safety of electrical installations. The device also offers automatic AC and DC voltage discrimination, enabling users to identify the correct voltage type without manual intervention. The low voltage display and red warning light are safety features that alert users to potential hazards, ensuring that electrical systems are functioning correctly.nn**Durable and User-Friendly Design**nThe UNI-T UT526 is built to withstand the rigors of electrical work environments. Its robust design, weighing just 380g, is complemented by a compact size of 160mm*100mm*71mm, making it easy to carry and use in various settings. The LCD screen, with a size of 71mm*34mm, provides clear and easy-to-read measurements, while the manual range feature allows for customization of tests to suit specific requirements. The inclusion of a carrying bag, gallus, test leads, alligator clips, and test line as standard accessories ensures that the user has everything needed to perform a comprehensive electrical inspection.
Specification | Details |
Brand Name | UNI-T |
Battery Included | No |
High-concerned Chemical | None |
DIY Supplies | Electrical |
Origin | Mainland China |
Features of UT572 Advanced Earth Resistance Tester ● Large 4-digital LCD Display, 5s sampling time ● 2/3/4-wire earth resistance and soil resistivity measurements ● Selectable test frequencies (94Hz/128Hz) ● Disturbance voltage (Ust) and frequency (Fst) measurement ● Earth resistance, RH and RS measurements ● LCD backlight; auto power off ● Data hold ● 20 sets of data storage ● Double insulation ● Compensating resistance RK measurement










UNI-T UT595 Multifunction Loop Testers Earth Ground Line Loop Impedance Tester Insulation Resistance Meter
Easy-to-Use Interface:Includes lock, RCD trip time, and data storage with one key for simplified operation.
Versatile Test Modes:Supports full/half wave and count downing (30s) for efficient testing in various scenarios.
Advanced Triggering Functions:Offers 0°/180° phase angle options and fastest trigger time for accurate RCD testing.
Comprehensive Testing Capabilities:Insulation resistance test from 0.05M~1000M, earth loop impedance, RCD trip time, and more.
Earth Loop Impedance Tester Price|Rcd Loop Impedance Tester|High Resolution Display:Features a 9999-count LCD with an analogue bar for clear, precise measurements.
Specification | Details |
Model Number | UT595 |
Brand Name | UNI-T |
Battery Included | No |
High-concerned Chemical | None |
Dimensions | 33 × 24 × 23 cm |
Operating Temperature | -40 ~ 1000 (as given) |
Accuracy Class | Good |
Testing Voltage | 250V / 500V / 1000V |
Measuring Range | 0.05MΩ ~ 1000MΩ |
Display Type | Digital Only |
DIY Supplies | Electrical |
Origin | Mainland China |
Certification | CE |
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Main features
1. 9999-count LCD display with analogue bar
2. 250V~1000V DC insulation resistance test
3. 200mA earth-resistance continuity test
4. Loop impedance/Prospective Fault Current (PFC)/Prospective Short Current (PSC) test
5. Lock test
6. RCD trip time test and the data storage with one key
7. Full/Half wave and count downing (30s) test mode selectable
8. 0°/180° phase angle option to detect the fastest trigger time
9. Trip current test of RCD trip time X2
10. RCD trip trigger current test
11. Phase sequence and missing test
12. AC/DC voltage auto check and test
13. Connection check with status real-time display
14. White backlight; auto power off






Specification | Details |
Semi-finished product | No |
Battery Included | No |
High-concerned chemical | None |
Model Number | UT612 |
DIY Supplies | Electrical |
Brand Name | UNI-T |
Origin | Mainland China |
Certification | CE |
Is Customized | Yes |
Capacitance Range | 600pF ~ 10mF |
Frequency | 100Hz / 120Hz / 1kHz / 10kHz |
Inductance Range | 600µH ~ 200H |
Resistance Range | 60Ω ~ 20MΩ |
Operational Voltage | 0.5 Vrms |
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USB Interface for Data Transfer
Equipped with a USB interface, this meter allows for easy data transfer and analysis, enhancing its usability in various settings.
Versatile Measurement Capabilities
This meter is capable of measuring inductance, capacitance, resistance, and phase angle, making it a versatile tool for electronic engineering.
DIY Electrical Supplies
Ideal for DIY electrical projects, this meter provides the necessary tools for professionals and hobbyists alike.
CE Certified
The UNI-T UT612 LCR Meter is CE certified, guaranteeing its safety and compliance with international standards.
No High-Concerned Chemicals
Designed without high-concerned chemicals, this meter ensures a safe working environment for users.






None
Origin
Mainland China
The UTR2810E LCR digital bridge is a new generation of low-frequency components measuring instruments launched by UNI-T. Small size, lightweight, beautiful appearance, simple operation, ultra-high cost performance, and good test stability. It can meet the needs of production line quality assurance, incoming inspection, and automatic production.
2.8inch TFT LCD, full-color display more content






The UNI-T UTR2810E+ is a high-precision benchtop LCR meter designed for accurate measurement of inductance (L), capacitance (C), resistance (R), and other electrical parameters. It is ideal for laboratories, research & development, production lines, quality control, educational institutions, and electronic component testing. With stable performance, a user-friendly interface, and reliable measurement accuracy, the UTR2810E+ is suitable for professional electronic testing applications.
| Specification | Details |
|---|---|
| Model | UNI-T UTR2810E+ |
| Product Type | High Precision Benchtop LCR Meter |
| Measurement Parameters | Inductance (L), Capacitance (C), Resistance (R) |
| High-concerned Chemical | None |
| Material | Stainless Steel & Plastic |
| Main Material | Plastic |
| Type | Hand Tool Parts |
| Origin | Mainland China |
| Application | Laboratory, R&D, Production Line, Quality Control, Electronic Repair |








Products Details of UNI-T UTR2832E LCR Meter High-precision LCR Meter with 200KHz test frequency,
1. Main Features
4.3 inch TFT - LCD, concise operation panel
Maximum test frequency: 300kHz
Basic accuracy: 0.05%
Testing speed: 12.5ms/time
Internal resistance: 30Ω, 50Ω, 100Ω
10 BIN sorting, count, PASS/FAIL
Soft power switch
DCR function
Multiple interfaces: RS232, HANDLER, USB HOST, USB DEVICE, LAN
2. Product Introduction
UTR2830 series LCR is a new generation of low-frequency component measurement instruments. It
has the advantages of small size, light weight, beautiful appearance, easy operation, ultra-high cost
performance and good test stability. It can meet the needs of production line quality assurance,
incoming and outgoing quality inspection and automatic production.
Application field
Passive component: evaluation of impedance parameters of capacitor, inductor, magnetic core,
resistor, piezoelectric device, transformer, chip assemblies and network components, etc.
Other component: evaluation of impedance parameters of printed circuit board, relay, cable and
battery, etc.
Technical Specification
Model UTR2830E UTR2832E UTR2833E
Display screen 4.3 TFT LCD 480×272 4.3 TFT LCD 480×272 4.3 TFT LCD 480×272
Frequenc
y of test
signal
frequenc
y
Test frequency
20Hz~100kHz (± 0.02%)
(continuous frequency
point)
20Hz~200kHz(± 0.02%)
(continuous frequency
point)
20Hz~300kHz(± 0.02%)
(continuous frequency
point)
Minimum
resolution 100mHz 100mHz 100mHz
Accuracy LCRZ 0.05%, DCR 0.1% LCRZ 0.05%, DCR 0.1% LCRZ 0.05%, DCR 0.1%
AC level
Voltage range
of test signal 10mVrms - 2Vrms 10mVrms - 2Vrms 10mVrms - 2Vrms
Minimum
resolution of
voltage
10mV 10mV 10mV
Accuracy 10% x the set voltage + 2mV 10% x the set voltage +
2mV 10% x the set voltage + 2mV
Current range
of test signal 100μArms - 20mArms 100μArms - 20mArms 100μArms - 20mArms
Minimum
resolution of
current
0.1mA 0.1mA 0.1mA
DC level Voltage range
of test signal 1V 50mV – 2V 50mV – 2V
Internal
resistanc
e of AC
ISO ON 100Ω 100Ω 100Ω
ISO OFF 30Ω / 50Ω / 100Ω 30Ω / 50Ω / 100Ω 30Ω / 50Ω / 100Ω
DC bias
voltage
Range of
Voltage /
Current
- - 0V – ± 5V 0V – ± 5V
Resolution - - 1mV 1mV
Accuracy of
voltage - - 1% x the set voltage + 5mV 1% x the set voltage + 5mV
Internal resistance of DCR 100Ω 100Ω 100Ω
Testing parameter L, C, R, |Z|, D, Q, |Y|, G, X, θd, θr, RDC, Vm, Im, △%
Testing speed (ms/time)
Fast speed: 12.5ms;
Medium speed: 83ms;
Slow speed: 167ms
Display range Display range: R, X, |Z|: 0.00001 Ω ~ 99.9999MΩ;
G, B, |Y|: 0.00001μS ~ 99.9999S;
Datasheet UTR2830 Series Digital LCR Meter
Instruments.uni-trend.com 7 / 8
5 Accessory
Article Quantity Remarks
LCR meter 1 pcs
Power cable 1 pcs
RS232C communication wire 1 pcs
USB communication wire 1 pcs
Short-circuit plate 1 pcs
0 meter test fixture 1 pcs
1 meter test clip 1 pcs
Spare fuse 2 pcs 110V 1A, 220V 0.5A
Packing List 1 pcs
Certification of Calibration 1 pcs
Multi Language Safety Precaution 1 pcs
User’s manual 0 pcs Electronic file can download from official website
L: 0.00001uH ~ 99.9999kH;
C: 0.00001pF ~ 9.99999F;
D: 0.00001 ~ 9.99999;
Q: 0.00001 ~ 99999.9;
θd: - 179.999° ~ 179.999 °;
θr: - 3.14159 ~ 3.14159;
DCR: 0.00001Ω ~ 999.999MΩ;
Δ %: - 999.999% ~ 999.999%
V/I monitoring √
Test lead 5 - end
Zero clearing Open - circuit, short - circuit, load
List sweep 201 counts, scanning parameter: test frequency, AC voltage, AC current, DC BIAS voltage,
DC BIAS current
Equivalent circuit Serial connection, parallel connection
Picture scanning analysis --
Range mode Auto, Hold
Trigger mode Internal, manual, external, bus
Average number 1~255
Mathematical operation Direct reading, △ABS, △%
Delay Trigger delay, step delay: 0 - 60.000s, step by 1 ms
Comparator 10 BIN sorting, BIN1 - BIN9, NG, AUX, BIN count, PASS, FALL display with LED on the front
panel
Storage Internal: 100 sets of instrument built-in test setup files, results of 201 test
USB: setup file, BMP, CSV data file
Interface RS232, HANDLER, USB HOST, USB DEVICE, Network port
Judgment function PASS / FAIL
Size 350*215*88mm
Weight 4.65 kg
Other function L - RDC concurrent testing, soft power switch, one - key screenshot, data record








Specification | Details |
Semi-finished Product | No |
Battery Included | Yes |
High-concerned Chemical | None |
Dimensions | 26 × 19 × 8.5 cm |
Operating Temperature | 0°C ~ 50°C |
Measuring Range | 6k |
Model Number | UT620A |
Display Type | Digital Only |
DIY Supplies | Electrical |
Brand Name | UNI-T |
Origin | Mainland China |
Certification | CE |
report
UT620A Digital Micro Ohm Meter
UT620A is used to measure DC low resistance through 4-wire method. Its features are: Comparison function to determine if the device is in good condition, unkown wire length calculation (FT/M); two-way data transmission by USB interface. UT620A can be used in narrow space for on-site troubleshooting, such as metal coating resistance, motor and small transformer winding resistance, welding points, power distribution cabinet bus, lead connection inspections, and more.
Features of UT620A Digital Micro Ohm Meter
● Comparison measurement with upper and lower limits
● Wire length measurement (m/ft)
● Built-in Lithium battery
● 1000-group data storage
● Improved measurement method which improves accuracy by counter-balancing contact resistance of leads
● Data transmission between USB and PC
● Data hold
● LCD backlight
● Zeroing function, relative mode
● IND resistance measurement mode
Specifications of UT620A Digital Micro Ohm Meter




Specification | Details |
Battery Included | Yes |
High-concerned Chemical | None |
Dimensions | 187 × 191 × 51 mm |
Operating Temperature | 0°C ~ 50°C |
Accuracy Class | ±0.1% |
Measuring Range | 0.001mΩ ~ 300.0kΩ |
Model Number | UT620C PLUS |
Display Type | Digital Only |
DIY Supplies | Electrical |
Brand Name | UNI-T |
Origin | Mainland China |
Certification | CE, FCC, RoHS |
Measurement Method | Four-wire Method |
Storage | 500 Sets |
Display Type | Segment LCD |
Backlight | Yes |
Low Battery Indication | Yes |
IP Rating | Yes |
Power Supply | DC 3.7V 3200mAh Lithium Battery |
report
UNI-T UT620C Plus Micro Ohmmeter DC Low Resistance Tester 0.001mΩ~300.0kΩ Auto & Manual Range Professional Digital Ohm Meter
UT620C+DC low resistance tester
New Arrival
DC low resistance meter, also known as micro ohmmeter, ohmmeter, or DC resistance tester, adopts microprocessor technology and four wire method for testing, ensuring safety, precision, and reliability. Mainly used for measuring the wire resistance of cables, contact resistance of switches, connectors, relays, as well as metal connection resistance, connection resistance testing between metal components, low value resistance testing, resistance testing of connecting conductors between grounding electrodes, and contact resistance testing. Widely used in measurement of distribution rooms, distribution cabinets, high-voltage switches, equipment contact points, coils, transformers, switches, relays, cables, etc.
Main features of UT620C+
Resistance test: 0.001m Ω~300.0k Ω
Test current: approximately 1A
Four line precision measurement
499 sets of data storage
Equipped with USB communication function
DC 3.7V 3200mAh rechargeable lithium battery
Automatic/manual range
Line resistance calibration function
Sampling rate 2-3 times/second







Products Details of UT620T 10A DC Resistance Tester
Item details
Brand Name | Generic |
Manufacturer | Generic |
Part Number | 620T |
Included Components | UT620T |
Country Of Origin | China |
ASIN | B0G2HJFWWG |
Measurements
Item Weight | 100 Grams |
UT620T 10A DC Resistance Tester 1) Test Currents: 12V/<5mA, 40mA, 200mA, 400mA, 1A, 5A, 10A 2) Step Adjustment: i. 1A steps for 1-10A range ii. 40mA steps for 40-400mA range iii. Total of 20 adjustable steps 3) Measurement Range: 100.0μΩ – 1.0000MΩ 4) Temperature conversion based on conductor material (copper/aluminum) 5) 999 sets of data storage & 7-inch color LCD 6) Built-in printer & USB interface 7) Audible discharge & audible alarm (Beep) 8) Protection features: Reverse EMF/Discharge/Overheat protection 9) Auto power off (around 10 minutes) 10) Built-in lithium battery pack (14.8V/5000mAh) 11) Supports AC 180-240V/50Hz power input



The UNI-T UT582+ Digital RCD/ELCB Tester is a professional electrical safety testing instrument designed for electricians, maintenance engineers, and inspection professionals. It accurately tests RCD, RCCB, ELCB, and leakage protection switches with high precision using an intelligent microprocessor. The built-in AUTO RAMP function automatically increases the test current from 20% to 110% while simultaneously measuring trip time and trip current for complete RCD analysis.
The UT582+ also features AC voltage measurement (30V–600V), frequency measurement (45Hz–65Hz), automatic data hold, contact voltage alarm, fuse protection, and CAT III 600V safety rating. Its double-insulated construction, LCD backlight, automatic shutdown, and battery-powered operation make it a reliable tool for electrical installation, maintenance, and safety inspections.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT582+ |
| Product Type | Digital RCD / ELCB Tester |
| RCD Testing | Supported |
| AUTO RAMP Function | 20%–110% Automatic Step Test |
| Phase Selection | 0° / 180° |
| Voltage Measurement | 30V–600V AC |
| Frequency Measurement | 45Hz–65Hz |
| Input Voltage | >50VAC / 75VDC |
| Contact Voltage Alarm | 25V / 50V |
| Display | LCD with Backlight |
| Automatic Data Hold | Yes |
| Over Range Indication | OL Display |
| Safety Protection | Fuse Protection |
| Safety Rating | CAT III 600V |
| Insulation | Double / Reinforced Insulation |
| Power Supply | 6 × 1.5V AA Alkaline Batteries (Not Included) |
| Battery Included | No |
| Certifications | CE, FCC, RoHS, UL, KC, PSE, WEEE |
| Origin | Mainland China |
Note: Batteries are not included in the package.\









The UNI-T UT665 Industrial Borescope Endoscope is a professional inspection camera designed for automotive maintenance, industrial pipeline inspection, HVAC servicing, machinery diagnostics, and other hard-to-reach inspection tasks. It features a 6.8mm waterproof (IP67) probe, flexible insertion tube, and a 3.5-inch TFT LCD display that provides clear real-time images and HD video.
The UT665 captures 720P HD video and 1.3MP still images, making it ideal for detailed visual inspections without dismantling equipment. It offers 8-level adjustable LED illumination, image zoom, rotation, freeze-frame, and supports both 32GB built-in storage and MicroSD cards up to 128GB for convenient recording and file management.
Its rugged stainless-steel waterproof probe is resistant to water, oil, coolant, and mild chemicals, ensuring reliable performance in demanding industrial environments. The rechargeable lithium battery provides up to 3 hours of continuous operation, while USB connectivity allows easy data transfer and live viewing on Windows and macOS computers.
| Feature | Details |
|---|---|
| Brand | UNI-T |
| Model | UT665 |
| Product Type | Industrial Borescope / Endoscope |
| Probe Diameter | 6.8 mm |
| Probe Protection | IP67 Waterproof |
| Display | 3.5-inch TFT LCD |
| Video Resolution | HD 720P |
| Image Resolution | 1.3 MP |
| LED Brightness | 8 Adjustable Levels |
| Storage | 32GB Built-in + MicroSD (Up to 128GB) |
| Connectivity | USB (Windows & macOS) |
| Battery | Rechargeable Lithium-ion |
| Battery Runtime | Up to 3 Hours |
| Probe Material | Stainless Steel |
| Body Material | Rubber |
| Origin | Mainland China |
Approx.: 600–800 g
Approx.: 30 × 12 × 8 cm
The UNI-T UT665 is a high-performance industrial borescope built for professional inspections in automotive, industrial, HVAC, and maintenance applications. Its waterproof HD camera, adjustable LED lighting, large display, recording capability, and portable design make it an excellent tool for inspecting hard-to-reach areas quickly and accurately without disassembling equipment.


