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UNI-T UT501A Insulation Resistance Tester
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.
Key Features
- Insulation Resistance Measurement up to 5GΩ
- Selectable Test Voltages: 100V / 250V / 500V / 1000V
- AC Voltage Measurement up to 750V
- 2000 Count Digital LCD Display
- Auto Range Function
- Automatic Discharge Protection
- Backlit LCD Display
- High Voltage Warning Indicator
- Audible & Visual Alarm
- Low Battery Indicator
- Overload Protection
- Test Voltage Secondary Display
- 10MΩ Internal Resistance Test
- Portable & Durable Design
Specifications
| 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 |
Main Functions
- Insulation Resistance Testing up to 5GΩ
- 100V / 250V / 500V / 1000V Test Voltages
- AC Voltage Measurement (30V–750V)
- Auto Range Measurement
- Automatic Discharge Protection
- Backlit LCD Screen
- Audible & Visual Alarm System
- High Voltage Detection
- Low Battery Warning
- Overload Protection
- 10MΩ Internal Resistance Verification
Applications
- Electrical Installation Testing
- Motor Insulation Testing
- Transformer Maintenance
- Cable Insulation Inspection
- Industrial Equipment Maintenance
- Power Distribution Systems
- Electrical Safety Inspection
- Maintenance Engineering
What's in the Box
- UNI-T UT501A Insulation Resistance Tester
- Test Leads
- Alligator Clips
- 6 × AA Batteries
- Carrying Bag
- User Manual
- Retail Gift Box
- Availability: 100 In Stock
- Model: UNI-T, UT501A
- Manufacturer: UNI-T