












UNI-T UT336V Wireless Vacuum Gauge is a compact, high-precision digital vacuum meter designed for HVAC and refrigeration professionals. Featuring Bluetooth connectivity, Mobile APP support, and a measurement range of 1–19000 microns, it accurately verifies system vacuum, dehydration, and cleanliness during installation, maintenance, and servicing of refrigeration and heat pump systems.
The UT336V supports multiple vacuum units, ambient temperature measurement, water saturation temperature display, OTA firmware upgrades, and stores up to 8000 readings. Its rugged IP54-rated design makes it ideal for demanding field applications.
Note: Compatible with A1, A2L, A2, A3 and selected B1 refrigerants. Not compatible with Ammonia Refrigerants (NH₃ / R717).
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT336V |
| Display | Digital |
| Certification | CE |
| Origin | Mainland China |
| Interface | 1/4" SAE |
| Maximum Pressure | 49 PSI & Under |
| Vacuum Range | 1 – 19000 Microns |
| Vacuum Units | Microns, mBar, Pa, kPa, hPa, mTorr, Torr, mmHg, inHg, inH₂O, psia |
| Temperature Units | °C / °F |
| Ambient Temperature Range | -20°C ~ 60°C |
| Overload Pressure | 27.5 Bar |
| Water Saturation Temperature | Supported |
| Mobile APP | Bluetooth Connection |
| OTA Upgrade | Supported |
| Internal Data Storage | 8000 Readings |
| IP Rating | IP54 |
| Auto Power Off | Yes |
| Battery Indicator | Yes |
| Unit Memory | Yes |
| ΔT (TH₂O−Tamb) | Supported |
| Resolution |
1–400 micron: 1 micron 400–3000 micron: 10 micron 3000–10000 micron: 100 micron 10000–19000 micron: 250 micron Ambient Temperature: 0.1°C |
| Accuracy |
1–10000 micron: ±10% rdg ±10 micron 10000–19000 micron: ±20% Ambient Temperature: ±0.5°C |
| Working Temperature | -10°C ~ 50°C (<90%RH) |
| Storage Temperature | -20°C ~ 60°C (<80%RH) |
| Battery | 3 × AA 1.5V (Not Included) |
| Battery Life | Approx. 100 Hours (Backlight Off) |
| Dimensions | 145 × 68 × 39 mm |
| Weight | Approx. 245 g (Without Battery) |
| Package Includes |
UT336V Wireless Vacuum Gauge ×1 Hanging Hook ×1 Hard Cloth Carry Bag ×1 |













The UNI-T UT381PV Solar Irradiance Meter is a professional photovoltaic (PV) testing instrument designed for measuringsolar irradiance, panel temperature, ambient temperature, inclination angle, and azimuth direction.It is ideal for solar panel installation, commissioning, maintenance, inspection, and laboratory testing.
The meter features Bluetooth connectivity, a dedicated Mobile APP, built-incompass and tilt sensors, IP65 protection, and can store up to12,800 measurement records. It also supports integration with theUNI-T UT541 15kW Photovoltaic I-V Curve Analyzer.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT381PV |
| Certification | CE |
| Origin | Mainland China |
| Battery Included | No |
| Solar Irradiance Range | 0 ~ 1400 W/m² |
| Solar Irradiance Resolution | 1 W/m² |
| Solar Irradiance Accuracy | ±(5.0% rdg + 5 digits) |
| BTU Measurement | 0 ~ 500 Btu/(ft²·h) |
| Temperature Range | -40°C ~ 120°C (-40°F ~ 248°F) |
| Temperature Resolution | 0.1°C / 0.2°F |
| Temperature Accuracy | ±1°C (-10°C~75°C) ±2°C (Other ranges) ±2°F (14°F~167°F) ±4°F (Other ranges) |
| Inclination Measurement | -90.0° ~ +90.0° |
| Inclination Resolution | 0.1° |
| Inclination Accuracy | ±1.5° (-50°~+50°) ±2.5° (-85°~-50°, +50°~+85°) ±3.5° (Other ranges) |
| Azimuth Measurement | 0° ~ 360° |
| Azimuth Accuracy | ±7° |
| Internal Memory | 12,800 Sets |
| Storage Interval | 1 Second ~ 60 Minutes |
| Bluetooth | Wireless Transmission up to 100m |
| Mobile APP | Supported |
| LED Indicator | Yes |
| Sound Prompt | Yes |
| Compass Calibration | Supported |
| Auto Power Off | 30 Minutes |
| Working Altitude | ≤2000 meters |
| Working Environment | -20°C ~ 60°C, ≤90%RH (Non-condensing) |
| Storage Environment | -30°C ~ 70°C, ≤80%RH (Non-condensing) |
| IP Rating | IP65 |
| Drop Protection | 2 Meters |
| Battery | 2 × AA Batteries (Not Included) |










Specification | Details |
High-concerned | None |
Electronic | No |
DIY Supplies | Electrical |
Origin | Mainland China |
Product Status | Brand new and original |
Warranty | 1 Year |
Specifications | LM100D |
Display type | EBTN |
Display size | 2.4 inches |
Range | 100m |
Min. display unit | 0.001m |
Measurement units | m/ft/in |
Measurement basis | Front/middle/rear |
Accuracy | ±(2mm+5 x 10-5 D) |
Laser class | 2 |
Laser type | 630~670nm, ﹤1mW |
Features | |
Single measurement | √ |
Continuous measurement | √ |
Max/Min/Area | √ |
Volume | √ |
Pythagoras | √ |
Triangle area | √ |
Auto leveling horizontal | √ |
Auto leveling vertical | √ |
Add/Subtract | √ |
Curvature measurement | √ |
Displacement | √ |
Trapezoid | √ |
Data storage | 20 groups |
Auto power off | 3 minutes without operation |
Auto laser off | 30s without operation |
Auto backlight off | 10s without operation |
Electronic leveler | √ |
Audio/Voice indication | √ |
Battery status display | √ |
Line laser marking | √ |
Storage temperature | -20℃~70℃ |
Operating temperature | 0℃~40℃ |
UNI-T LM100D Laser Distance Meter 100M
Professional laser measuring tool for construction and home use.
Accurate distance measurement up to 100 meters.
Includes: meter, strap, manual, box.



None
Electronic
No
Electrical
Origin
Mainland China
Brand new and original
Warranty
1 Year
report
.dc-dock{position:absolute;width:35px;height:20px;background:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAHUAAAAoCAYAAADAFLWVAAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAALEgAACxIB0t1+/AAAABx0RVh0U29mdHdhcmUAQWRvYmUgRmlyZXdvcmtzIENTNui8sowAAAAWdEVYdENyZWF0aW9uIFRpbWUAMjAxMy42LjPM/S8QAAAMaklEQVR4nO2bb0wbZ57HvzPj8X88NtgYDNgEklCbhLJH7IRtIAlBTY+rc9e60i6l2ipoVyhZVafcnWJ3dWhPinaPvNncixPZ7krtRquI7QvSW5X2FNQSkmwrQpqGZompSZqAGwIGx2ODZ4wZbN+Lxjm6axsnMal0588rmN/zfH+P5zfP
ITEMS DESCRIPTION
LM120C Laser Distance Meter
1.2.4-inch color screen
2.12 measurement modes
3.Electronic leveling
4.3 selectable measurement references
5.USB 3.0 supply power
6.100 groups of data storage
7.Rotatable screen
8.Camera-aided measurement
9.2m drop test
10.IP65 dust and water proof
Specifications | LM120C |
Display type | IPS |
Display size | 2.4-inches |
Range | 120m |
Min. display unit | 0.001m |
Measurement units | m/ft/in/ft+in |
Measurement basis | Front/middle/rear |
Accuracy | ±2mm |
Laser class | 2 |
Laser type | 630~670nm, ﹤1mW |
Features | |
Single measurement | √ |
Continuous measurement | √ |
Max/Min/Area | √ |
Volume/Pythagoras | √ |
Add/Subtract/Triangle area | √ |
Camera mode | √ |
Rotatable screen | √ |
Auto leveling horizontal/vertical | √ |
Electronic leveler | √ |
Data storage | 100 groups |
Auto laser off | 30s without operation |
Auto power off | √ |
Auto backlight off | √ |
Battery status display | √ |
USB charging | √ |
Tripod mounting hole | √ |
General Characterisitics | |
Power | 1.2V AAA recharge battery x 3 |
Product color | Red and grey |
Product net weight | 170g |
Product size | 59mm x 28mm x 137mm |
Standard accessories | Carrying bag, USB interface cab |
Standard individual packing | Gift box, English manual |
Standard quantity per carton | 20pcs |
Standard carton measurement | 390mm x 255mm x 345mm |
Standard carton gross weight | 8.3kg |





Products Details Of UNIT UT395A Professional Laser Distance Meters 50m/164ft USB Interface✦Kd
Item Specifics | Details |
Condition | New |
Brand | UNI-T |
MPN | UT395A |
Model | UNI-T UT395A |
Country of Manufacture | China |
Country of Origin | China |
UPC | Does not apply |
Category | Business & Industrial |
Sub Category | Test, Measurement & Inspection |
Product Type | Test Meters & Detectors |
Meter Type | Multimeters |
Function Remark
Range∶ 0.05-50m
Min Unit∶ 1mm
Accuracy**∶ ±(2.0mm+d*5/100000 )
Max Laser Power∶ <1mW
Laser Wave Length∶ 635nm
Max/Min/Continuous∶ √
Area/ Volume∶ √
Triangle Pythagorean∶ √
Triangle Height/ Angle∶ √
Triangle Area∶ √
Dip Angle Range∶ -90.0°~90.0°
Delay Measurement∶ √
Staking-out∶ √
Universal Electron Level Ruler∶ √
Auto Power off∶ 100s-300s (adjustable)
Auto Laser off∶ 20s-120s( adjustable )
Strange Quantity ∶100pcs
USB Connector∶ √
Storage Temperature∶ -20℃~60℃
Operating Temperature∶ 0℃~40℃
Storage Humidity∶ RH85%
Dimension∶ 126*56*28mm
Battery∶ 1.2V 800mAh AAANI-MH battery *3







The UNI-T LM60T is a 2-in-1 multifunction laser measuring tool that combines a 5-meter retractable tape measure with a 60-meter laser distance meter. Designed for construction, interior decoration, engineering, surveying, and home improvement, it delivers fast and accurate measurements with a compact and portable design.
The LM60T features a 350mAh rechargeable lithium battery, magnetic hook, automatic tape lock, reverse LCD display, and supports distance, area, volume, and Pythagorean measurements. Its one-button operation makes measuring quick and convenient for professionals and DIY users alike.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | LM60T |
| Product Type | Laser Tape Measure + Laser Distance Meter |
| Laser Measuring Range | 60 meters |
| Tape Measuring Range | 5 meters |
| Laser Accuracy | ±(2.0mm + 5×10⁻⁵D) |
| Tape Accuracy | National Standard Level 2 |
| Laser Class | Class 2 (<1mW) |
| Laser Type | 630–670nm, <1mW |
| Display | Reverse LCD Display |
| Measurement Units | m / ft / in / ft+in |
| Measurement Modes | Single, Continuous, Area, Volume, Pythagorean |
| Measurement Reference | Rear Reference |
| Data Storage | 20 Measurement Records |
| Tape Lock | Automatic Lock |
| Hook Type | Magnetic Hook |
| Tape Standout | 1.8 meters |
| Brake Material | ABS |
| Battery | 350mAh Rechargeable Lithium Battery |
| Battery Included | Yes |
| Laser Auto-Off | 30 Seconds |
| Auto Power Off | Approximately 3 Minutes |
| Power Indicator | Yes |
| Certification | CE |
| Dimensions | 85 × 56.3 × 81.5 mm |
| Weight | Approx. 300g |
| Origin | Mainland China |















Product Details of LM570R-I Laser Leveler, self-leveling, 30m
Condition
Open box: An item in excellent, new condition with no wear. The item may be missing the original packaging or protective wrapping, or may be in the original packaging but not sealed. The item includes original accessories. The item may be a factory second. See the seller's listing for full details and description.
Brand
UNI-T
MPN
LM570R-I
UPC
Does not apply
Country of Origin
China
LM570R-I Laser Leveler, self-leveling, 30m
Import Duties & Taxes
For buyers located in the United States and the European Union, no additional charges apply. This item is shipped under DDP (Delivered Duty Paid) terms, with all import duties and taxes prepaid by the seller. Buyers in all other countries are responsible for any customs duties, taxes, or import fees imposed by their local authorities.
Business Overview
Thank you for visiting our eBay listing. Our goal is to support professionals and businesses by:
• Supplying in-stock electronic components with no supplier lead times • Providing genuine and hard-to-find parts for repairs and production continuity • Extending the lifecycle of electronic equipment
Item Condition
If you have questions about an item’s condition, please contact us before purchasing.
Testing & Authenticity
All components are handled by experienced personnel. Where applicable, items are electrically tested or functionally verified prior to shipment. All parts are guaranteed genuine and sourced through reputable channels.
ESD & Handling
Electronic components are sensitive to electrostatic discharge (ESD) and are shipped in ESD-safe packaging. Damage caused by improper handling after delivery is not the responsibility of the seller.
Product Information
We strive to provide accurate titles, specifications, and photos. Most images show the actual item unless manufacturer images are used.
For electronic components, date codes, serial numbers, or batch numbers may differ from those shown, especially for listings with quantities greater than 10. Please contact us before purchase if a specific batch or date code is required.
Compatibility
The buyer is responsible for verifying compatibility with their application prior to purchase. We are happy to assist with part identification before ordering.
Shipping
All orders are securely packed and shipped with tracking. For accurate shipping costs, please add all items to your cart and proceed to checkout for combined shipping calculation.
Returns & DOA Policy
If an item arrives defective or non-functional, please contact us within 30 days of delivery. Returned items must be in the same condition as received. Installed, altered, or damaged items are not eligible for return unless agreed in advance.
Billing & Customs Documentation
We declare and invoice the full purchase value paid at checkout, converted to euros using the official European Central Bank exchange rate. We cannot ship items as gifts, undervalue shipments, or omit commercial invoices.





Brand | UNI-T |
Colour | Black |
Compatible devices | Camera |
Special features | Panoramic/Multi-row Head |
Material | Aluminum |
Item weight | 2.5 Kilograms |
Weight limit | 2.67 Pounds |
Model name | 1.5MTRIPOD |
Maximum height | 1500 Millimeters |
Tripod head type | Ball Heads |
LM301 1.5m ( 360) Tripod Description: Flat Head with 5/8"-11 Male Thread (included 1/4"-20 screw adapter). The working range can be adjusted to 0.5m-1.5m by adjusting the 3-section legs, the length o Flat Head with 5/8"-11 Male Thread (included 1/4"-20 screw adapter). The working range can be adjusted to 0.5m-1.5m by adjusting the 3-section legs, the length of the telescopic section is 28.5cm/11.22", and the overall working range is 0.5m-1.5m(22.05"-62.20"). The storage length is only 0.5m, the weight is about 1.2kg/2.67lb. The legs are easy adjusted by flip-lock. The telescopic section can be fine-tuning by rotating the crank, and can also be adjusted directly by rotating the circle lock counterclockwise and clockwise. Rotate clockwise or counterclockwise the center brace locking circle to change and fix the extension angle of legs. Arbitrarily rotating anti-skid rubber feet for using on a variety of uneven ground. The built-in bubble view level can help you adjust the angle and accuracy.






`Products Details of UNI-T LM1000A Specialty Laser Rangefinders Side-screen Ranging Telescope 2.0 inch External Screen`
Brand | UNI-T |
Are batteries included | Yes |
Colour | Multicolored |
Material | Acrylonitrile Butadiene Styrene |
Sport | Golf |
Item weight | 1 Kilograms |
Magnification maximum | 6 x |
EU Spare Part Availability Duration | 2 Years |
Number of items | 1 |
LM600A Series Laser Rangefinders The LM600A series have 2.0 inch external screen. Measurement data will be displayed on dual screens at the same time while measuring objects in a certain range. They can be used in golf, power equipment installation, highway, municipal engineering, forestry survey and design, construction, network planning and communication maintenance. Models in LM600A Series: LM1000A,








The UNI-T A13T Temperature & Humidity Meter is a compact and reliable digital thermo-hygrometer designed to accurately monitor indoor temperature and humidity levels. Featuring a clear LCD display, built-in clock, and alarm function, it is ideal for homes, offices, laboratories, classrooms, greenhouses, warehouses, and other indoor environments where climate monitoring is important.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | A13T |
| Product Type | Digital Temperature & Humidity Meter |
| Temperature Range | -10°C ~ 50°C |
| Humidity Range | 0% ~ 99% RH |
| Temperature Resolution | 0.1°C |
| Humidity Resolution | 0.1% RH |
| Temperature Accuracy | ±0.5°C |
| Humidity Accuracy | ±3% RH |
| Display | Digital LCD |
| Clock Display | Yes |
| Alarm Function | Yes |
| Certification | CE |
| Origin | Mainland China |
| Battery Included | No |
| Style | Handheld / Desktop Indoor Meter |






The UNI-T A12T Digital LCD Thermometer Hygrometer is a compact and easy-to-use indoor climate monitoring device that measures temperature, humidity, and time in one convenient display. Featuring a large LCD screen, alarm clock, and comfort level indicator, it is ideal for homes, offices, classrooms, greenhouses, nurseries, warehouses, and other indoor environments.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | A12T |
| Product Type | Digital Thermometer Hygrometer |
| Display | Digital LCD |
| Temperature Range | -10°C to 50°C (14°F to 122°F) |
| Temperature Accuracy | ±1°C (±1.8°F) |
| Humidity Range | 10% to 99% RH |
| Humidity Accuracy | ±5% RH |
| Sampling Time | 10 Seconds |
| Clock Function | 12/24-Hour Display |
| Alarm Function | Yes (Up to 60 Seconds) |
| Comfort Indicator | Comfort / Wet / Dry |
| Installation | Desktop Stand & Wall Hanging |
| Power Supply | 1 × AAA Battery (Not Included) |
| Certification | CE |
| Application | Household & Indoor Monitoring |
| Origin | Mainland China |







UNI-T AIR Series A25D – Product Description
The UNI-T AIR Series A25D is a digital temperature and humidity meter designed to monitor indoor environmental conditions. It displays real-time temperature and humidity readings on a clear LCD screen, making it easy to maintain a comfortable environment at home, in the office, classroom, greenhouse, or warehouse. Its compact design, simple operation, and reliable performance make it suitable for everyday use.



Brand | Artee Shop |
Power Source | Battery Powered |
Item Weight | 10.08 ounces |
Alarm | Audible |
Operating Humidity | 90 percent |
Upper Temperature Rating | 40 Degrees Celsius |
Unit Count | 1.0 Count |
Manufacturer | Artee |
Features & Specs
Power Source | Battery Powered |
Alarm | Audible |
User guide
Operating Humidity | 90 percent |
Upper Temperature Rating | 40 Degrees Celsius |
Measurements
Item Weight | 10.08 ounces |
Item details
Brand | Artee Shop |
Manufacturer | Artee |
Unit Count | 1.0 Count |
ASIN | B01LWN5RKG |





UNI-T UT338A High Precision Indoor Formaldehyde Data Logger Detector Thermometer Hygrometer Air Monitor
The UNI-T A63 is a professional 2-in-1 food thermometer that combines a non-contact infrared thermometer with a collapsible food probe. It is designed for BBQ, restaurants, commercial kitchens, food processing, storage, and home cooking. The infrared sensor quickly measures surface temperatures, while the probe accurately checks the internal temperature of food. The built-in HACCP temperature indicator helps ensure food safety standards.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | A63 (UT-A63) |
| Product Type | 2-in-1 Infrared Food Thermometer |
| Infrared Measuring Range | -40°C to 300°C (-40°F to 572°F) |
| Probe Measuring Range | -50°C to 300°C (-58°F to 572°F) |
| Distance to Spot Ratio | 8:1 |
| Emissivity | 0.95 (Fixed) |
| Spectral Range | 5μm ~ 14μm |
| Response Time | ≤250ms |
| Laser | Single Laser |
| Laser Wavelength | 650 ±20nm |
| Laser Power | <1mW (Class 2) |
| Probe Type | NTC |
| Minimum Probe Depth | 12.7mm |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -30°C to 70°C |
| Operating Humidity | <90% RH (Non-condensing) |
| Maximum Altitude | 2000m |
| Protection Rating | IP65 |
| Drop Protection | 1 Meter |
| Power Supply | 2 × AAA Alkaline Batteries (Not Included) |
| Infrared Battery Life | >20 Hours |
| Probe Battery Life | >80 Hours |
| Display Functions | MAX, MIN, Difference (T1-T2), Data Hold |
| Display Rotation | 180° Flip Display |
| Temperature Units | °C / °F |
| Low Battery Indicator | Yes |
| LED Alarm | Yes |
| Certification | CE, UKCA, RoHS, FDA, EN13485 |
| Dimensions (L × W × H) | 178 × 55 × 28 mm |
| Weight | 157g (Without Batteries), 180g (With Batteries) |
| Origin | Mainland China |






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 |






