Proving Units

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  1. Socket & See SP200 Professional Proving Unit



    • Test two pole volt testers including multimeters and test lamps
    • The first proving unit to generate AC waveform for a true test
    • Compact design encourages routine safety checks
    • Automatic test function to conserve batteries
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  2. Socket & See SP400 Proving Unit



    93% of 100
    • Intelligent voltage ramp for testing multimeters and Voltage Indicators
    • Generates from 50-690V with a true AC waveform output
    • Non-contact voltage indicator test feature
    • Powerful enough to light old filament style test lamps
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  3. Kewtech Kewprove 3 690V Proving Unit



    • Prove circuits are dead before commencing work.
    • High output will drive even the most high current voltage detector
    • Instant ramp up and then step down will prove several voltage levels
    • Makes a perfect partner to the KEW1780 / 1790 voltage testers
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  4. Megger MPU690 Proving Unit



    • 5 stepped nominal output voltages
    • Automatic operation
    • High output power suitable for test lamps
    • Extended battery life
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  5. Fluke PRV240FS Proving Unit (4910310)



    • Sources both ac and dc steady-state voltage—supplies 240 V dc/ac
    • Reduces the need for personal protective equipment (PPE) when a known voltage source is not available for verification
    • Provides a safe method to verify that your electrical test tool is operating properly before you conduct any live tests
    • Output Voltage: 240 V ac rms or dc, ± 10 % ≥ 1 MΩ
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