Uni-T UT501B Insulation Tester 1000V CAT III 600V
Uni-T UT501B Insulation Tester 1000V CAT III 600V
The Uni-T UT501B is a high-precision digital insulation resistance tester engineered for electrical maintenance, troubleshooting, and preventative testing. Featuring selectable test voltages of 100V, 250V, 500V, and 1000V alongside AC voltage measurement up to 600V, it delivers dependable diagnostics for cables, motors, transformers, and electrical installations.
Equipped with Dielectric Absorption Ratio (DAR) and Polarization Index (PI) measurement capabilities, this compact device simplifies complex insulation quality analysis. An intuitive backlit 2000-count display, visual and audible alarm indicators, auto-discharge safety features, and CAT III 600V protection ensure efficient and secure field operation.
Key Features
| Brand | Uni-T |
| Model | UT501B |
| Product Type | Digital Insulation Tester |
| Test Voltages | 100V / 250V / 500V / 1000V |
| AC Voltage Range | Up to 600V |
| Low Resistance Range | 0.01Ω - 200Ω |
| Ranging | Auto |
| Display Count | 2000 |
| Diagnostic Features | DAR, PI |
| Internal Resistance Test | 10MΩ |
| Safety Rating | CAT II 1000V, CAT III 600V |
| Weight | 0.5 kg |
| Certifications | CE, RoHS |
Highlights
- Selectable test voltages: 100V, 250V, 500V, and 1000V
- Measures AC voltage up to 600V and low resistance from 0.01Ω to 200Ω
- Advanced diagnostic functions including DAR and PI calculation
- Automatic discharge function for enhanced user safety
- Backlit 2000-count display with dual voltage readout
- Audible alarm and alarm light display for overload and warning alerts
Frequently asked questions
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