UNI-T UT582+ Digital RCD (ELCB) Tester
Original price was: 5,200.00 EGP.5,100.00 EGPCurrent price is: 5,100.00 EGP.
UNI-T UT582+ is a reliable and high-precision tester designed for checking the performance of Residual Current Devices (RCDs), also known as Earth Leakage Circuit Breakers (ELCBs), in single-phase electrical systems. It is ideal for electricians, maintenance professionals, and technical engineers who require dependable safety verification tools
Description
🔧 Key Features:
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✅ Wide Test Current Range: Supports multiple test currents – 10mA, 30mA, 100mA, 300mA, and 500mA – to suit various protection settings.
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✅ Multiple Test Modes: Includes ½×, 1×, 5×, and Auto Ramp test functions for thorough RCD analysis.
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✅ Trip Time Measurement: Measures RCD trip response time with high accuracy.
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✅ Phase Angle Selection: Allows testing at 0° and 180° to cover different fault conditions.
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✅ Auto Ramp Function: Gradually increases current to determine the precise tripping threshold of the RCD.
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✅ Large Backlit Display: 71mm × 34mm LCD screen with backlight for clear reading in all environments.
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✅ Voltage Measurement: Measures AC voltage from 30V to 600V within a 45Hz–65Hz frequency range.
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✅ Safety Alarms: Built-in misoperation and disconnection alerts with over-limit display.
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✅ Auto Power Off: Saves battery life by powering down when inactive.
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✅ Portable and Durable: Compact, lightweight, and easy to carry.
📊 Technical Specifications:
| Function | Details |
|---|---|
| Test Current Settings | 10mA / 30mA / 100mA / 300mA / 500mA |
| Test Modes | ½×, 1×, 5×, AUTO RAMP |
| Voltage Measurement | 30V – 600V AC |
| Frequency Range | 45Hz – 65Hz |
| Trip Time Accuracy | ±(2% + 2 digits) |
| Display Count | Up to 999 |
| Phase Angle Selection | 0° and 180° |
| Power Supply | 6 × 1.5V AA batteries |
| Dimensions | 160mm × 100mm × 71mm |
| Weight | Approx. 400g |
🔍 Applications:
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Electrical installations and safety inspections
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Residential, commercial, and industrial RCD testing
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Maintenance of distribution boards and socket-level RCDs
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Educational and training purposes for electricians
📦 Package Includes:
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UT582+ RCD Tester
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Test leads
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Carrying pouch
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Elastic securing strap
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User manual
✅ Why Choose the UT582+?
The UNI-T UT582+ offers comprehensive RCD testing with precision, safety, and ease of use. Whether you’re troubleshooting, inspecting, or ensuring system compliance, this device provides the functionality and confidence professionals need.

































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