Proving Units

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  1. Socket & See SP200 Professional Proving Unit

    £69.95

    £83.94

    • 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
    Learn More
  2. Socket & See SP400 Proving Unit

    £74.95

    £89.94

    Rating:
    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
    Learn More
  3. Socket & See VP400 Vehicle Proving Unit

    £74.95

    £89.94

    • 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
    Learn More
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