UNI-T UT501A insulation resistance tester
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Apraksts
Produktu informācija
UNI-T UT501A insulation resistance tester
UNI-T UT501A insulation resistance tester is a versatile device designed to accurately measure insulation resistance in electrical equipment and households. It can measure insulation between electrical circuits or between a circuit and ground. The UT501A offers measurements of insulation resistance, AC voltage, low resistance, as well as PI (polarization index) and DAR (dielectric absorption coefficient). Equipped with a 2,000-count LCD display, backlight function, overload indicator and automatic shutdown, the UT501A ensures safety, accuracy and convenience during operation. In addition, CE and UKCA certifications confirm the device's high quality and compliance with European standards.
Advanced measurement functions for demanding users
The UT501A tester not only provides standard measurements, but also offers a continuous low-value resistance measurement mode, an automatic discharge function, and a continuous measurement mode supported by audible signals and a red warning light. The PI and DAR functions, along with automatic resistivity calculation, allow detailed evaluation of the insulation condition of high-voltage equipment such as transformers, generators, motors, capacitors or cables. In addition, the low resistance zeroing function increases the accuracy of measurements, making the UT501A an invaluable tool in the diagnosis and maintenance of electrical installations.
Durable design and convenient use
The UT501A's compact and sturdy housing ensures that it can withstand heavy use in the field and at industrial sites. The LCD display with backlight function allows reading the results even in harsh lighting conditions, and automatic shutdown extends battery life. With continuous measurement capability and an intuitive warning system, you gain full control over the testing process, allowing you to quickly and safely assess the condition of your installation. The UNI-T UT501A is an indispensable partner wherever reliability and precision count.
Included
- insulation resistance tester
- batteries
- test leads
- crocodiles
- instruction manual
| Manufacturer | UNI-T |
|---|---|
| Model | UT501A |
| Number of displayed digits | 2000 |
| DAR measurement | Supported (60 s / 15 s and 60 s / 30 s) |
| PI measurement | Supported |
| Automatic range selection / low battery indicator | Supported |
| LCD backlight / alarm light signal | Built-in |
| Audible alarm / high voltage indication | Built-in |
| Overload / automatic discharge indicator | Built-in |
| Secondary test voltage display | Built-in |
| Internal resistance test 10 MΩ | Supported |
| Standards met | IEC 61557 (61557-1:2007; 61557-2:2007; 61557-4:2007 - UT502A only) |
| Power supply | 6 × 1.5 V battery (LR6) |
| Display | 70.6 × 34 mm |
| Product color | Red, gray |
| Weight | 500 g |
| Dimensions | 150 × 100 × 71 mm |
Measuring ranges
| Test voltages | 100 V / 250 V / 500 V / 1000 V; 250 V / 500 V / 1000 V; 500 V / 1000 V / 2500 V |
|---|---|
| Insulation resistance measurement (Ω) | 100 V: 0 MΩ ~ 100 MΩ (accuracy ±(3%+5)); 250 V: 0 MΩ ~ 99.9 MΩ (±(3%+5)), 100 MΩ ~ 5 GΩ (±(5%+5)); 500 V: 0 MΩ ~ 99.9 MΩ (±(3%+5)), 100 MΩ ~ 5 GΩ (±(5%+5)); 1000 V: 0 MΩ ~ 99.9 MΩ (±(3%+5)), 100 MΩ ~ 5 GΩ (±(5%+5)); 2500 V: 0 MΩ ~ 99.9 MΩ, 100 MΩ ~ 9.9 GΩ, 10 GΩ ~ 20 GΩ |
| Load current | 50 V (50 kΩ) 1 mA (0% ~ 10%); 100 V (100 kΩ) 1 mA (0% ~ 10%); 250 V (250 kΩ) 1 mA (0% ~ 10%); 500 V (500 kΩ) 1 mA (0% ~ 10%); 1000 V (1 MΩ) 1 mA (0% ~ 10%); 2500 V (1 MΩ) 1 mA (0% ~ 10%) |
| Short-circuit current | <2 mA |
| Low resistance measurement (Ω) | 0.01 Ω ~ 200 Ω (about 5.0 V, above 200 mA) |
| AC voltage measurement (V) | 30 V ~ 750 V (±(2%+3)); 30 V ~ 600 V |
Warranty: 24 months
UNI-T UT501A insulation resistance tester
UNI-T UT501A insulation resistance tester is a versatile device designed to accurately measure insulation resistance in electrical equipment and households. It can measure insulation between electrical circuits or between a circuit and ground. The UT501A offers measurements of insulation resistance, AC voltage, low resistance, as well as PI (polarization index) and DAR (dielectric absorption coefficient). Equipped with a 2,000-count LCD display, backlight function, overload indicator and automatic shutdown, the UT501A ensures safety, accuracy and convenience during operation. In addition, CE and UKCA certifications confirm the device's high quality and compliance with European standards.
Advanced measurement functions for demanding users
The UT501A tester not only provides standard measurements, but also offers a continuous low-value resistance measurement mode, an automatic discharge function, and a continuous measurement mode supported by audible signals and a red warning light. The PI and DAR functions, along with automatic resistivity calculation, allow detailed evaluation of the insulation condition of high-voltage equipment such as transformers, generators, motors, capacitors or cables. In addition, the low resistance zeroing function increases the accuracy of measurements, making the UT501A an invaluable tool in the diagnosis and maintenance of electrical installations.
Durable design and convenient use
The UT501A's compact and sturdy housing ensures that it can withstand heavy use in the field and at industrial sites. The LCD display with backlight function allows reading the results even in harsh lighting conditions, and automatic shutdown extends battery life. With continuous measurement capability and an intuitive warning system, you gain full control over the testing process, allowing you to quickly and safely assess the condition of your installation. The UNI-T UT501A is an indispensable partner wherever reliability and precision count.
Included
- insulation resistance tester
- batteries
- test leads
- crocodiles
- instruction manual
| Manufacturer | UNI-T |
|---|---|
| Model | UT501A |
| Number of displayed digits | 2000 |
| DAR measurement | Supported (60 s / 15 s and 60 s / 30 s) |
| PI measurement | Supported |
| Automatic range selection / low battery indicator | Supported |
| LCD backlight / alarm light signal | Built-in |
| Audible alarm / high voltage indication | Built-in |
| Overload / automatic discharge indicator | Built-in |
| Secondary test voltage display | Built-in |
| Internal resistance test 10 MΩ | Supported |
| Standards met | IEC 61557 (61557-1:2007; 61557-2:2007; 61557-4:2007 - UT502A only) |
| Power supply | 6 × 1.5 V battery (LR6) |
| Display | 70.6 × 34 mm |
| Product color | Red, gray |
| Weight | 500 g |
| Dimensions | 150 × 100 × 71 mm |
Measuring ranges
| Test voltages | 100 V / 250 V / 500 V / 1000 V; 250 V / 500 V / 1000 V; 500 V / 1000 V / 2500 V |
|---|---|
| Insulation resistance measurement (Ω) | 100 V: 0 MΩ ~ 100 MΩ (accuracy ±(3%+5)); 250 V: 0 MΩ ~ 99.9 MΩ (±(3%+5)), 100 MΩ ~ 5 GΩ (±(5%+5)); 500 V: 0 MΩ ~ 99.9 MΩ (±(3%+5)), 100 MΩ ~ 5 GΩ (±(5%+5)); 1000 V: 0 MΩ ~ 99.9 MΩ (±(3%+5)), 100 MΩ ~ 5 GΩ (±(5%+5)); 2500 V: 0 MΩ ~ 99.9 MΩ, 100 MΩ ~ 9.9 GΩ, 10 GΩ ~ 20 GΩ |
| Load current | 50 V (50 kΩ) 1 mA (0% ~ 10%); 100 V (100 kΩ) 1 mA (0% ~ 10%); 250 V (250 kΩ) 1 mA (0% ~ 10%); 500 V (500 kΩ) 1 mA (0% ~ 10%); 1000 V (1 MΩ) 1 mA (0% ~ 10%); 2500 V (1 MΩ) 1 mA (0% ~ 10%) |
| Short-circuit current | <2 mA |
| Low resistance measurement (Ω) | 0.01 Ω ~ 200 Ω (about 5.0 V, above 200 mA) |
| AC voltage measurement (V) | 30 V ~ 750 V (±(2%+3)); 30 V ~ 600 V |
Warranty: 24 months