UNI-T UT255B High Voltage Clamp Ammeters
Original price was: 36,500.00 EGP.36,250.00 EGPCurrent price is: 36,250.00 EGP.
UNI-T UT255B is a professional-grade high voltage clamp meter designed for safe and accurate current measurements in demanding electrical environments. With its 1000V CAT IV safety rating and True RMS technology, it’s the ideal tool for electricians, HVAC technicians, and industrial maintenance teams working with high-voltage systems up to 1000V AC/DC.
Description
Key Features & Benefits
⚡ High-Voltage Safety & Precision
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CAT IV 1000V/CAT III 1000V safety rating for maximum protection
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True RMS for accurate measurements on non-linear loads (motors, VFDs, etc.)
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Measures AC/DC current up to 1000A without breaking the circuit
🔧 Professional-Grade Performance
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Large 35mm jaw for easy clamping on thick cables
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Data Hold & MAX/MIN recording for troubleshooting
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Backlit LCD display for visibility in low-light conditions
🛡️ Rugged & Reliable
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IP54 rated – Resistant to dust and water splashes
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Drop-proof design (1m impact resistance)
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Low battery indicator for uninterrupted work
📊 Multi-Function Testing
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Measures AC/DC voltage, resistance, continuity, and frequency
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Diode test & NCV (Non-Contact Voltage) detection
Technical Specifications
| Function | Range | Accuracy |
|---|---|---|
| AC Current | 0.1A–1000A | ±1.5% + 5 digits |
| DC Current | 0.1A–1000A | ±2% + 5 digits |
| AC/DC Voltage | 0.1V–1000V | ±0.8% + 3 digits |
| Resistance | 0.1Ω–60MΩ | ±1% + 2 digits |
| Frequency | 10Hz–1kHz | ±1% + 3 digits |
| Jaw Opening | 35mm | – |
| Safety Rating | CAT IV 1000V / CAT III 1000V | – |
Applications
✔ Industrial Maintenance – Motor, transformer, and VFD testing
✔ HVAC Systems – Compressor and fan current measurements
✔ Power Distribution – High-voltage line inspections
✔ Renewable Energy – Solar/Wind farm electrical checks
✔ Data Centers – UPS and backup power monitoring
Why Choose the UT255B?
✅ Safer than traditional multimeters – No direct contact needed for current readings
✅ Faster diagnostics – Clamp-on design saves time vs. breaking circuits
✅ More durable – Built for harsh industrial environments
✅ More versatile – Combines clamp meter + multimeter functions
Package Includes
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UT255B Clamp Meter
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Test Leads
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Batteries
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User Manual
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Carrying Case
Optional Accessories:
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Soft carrying pouch
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Thermal probe (for temperature measurements)




















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