Proving Units

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• 
  Usually Ships In 3 to 5 Business Days

  Di-Log PU690 690V AC Proving Unit

  £71.95 (ex VAT)
  £86.34 (inc VAT)
  • Provides 690V AC for testing voltage indicators
  • Ensures functionality in environments with unreliable power
  • Features high and low impedance device compatibility
  • Compact, lightweight, and safety rated for field use
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• 
  In Stock - Express Delivery Available

  Fluke PRV240 Proving Unit

  £148.38 (ex VAT)
  £178.06 (inc VAT)
  • Portable and battery-powered for convenience
  • Sources both AC and DC voltages
  • Ensures safety and reduces risk of electrical hazards
  • Compatible with a wide range of test tools
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  Usually Ships In 6 to 13 Business Days

  Fluke PRV240FS Proving Unit

  £124.70 (ex VAT)
  £149.64 (inc VAT)
  • 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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• 
  Usually Ships In 6 to 13 Business Days

  Kewtech KEWPROVE3 Proving Unit (Up to 690V)

  £59.95 (ex VAT)
  £71.94 (inc VAT)
  • 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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• 
  Usually Ships In 6 to 13 Business Days

  Martindale PD240 Proving Unit

  £64.95 (ex VAT)
  £77.94 (inc VAT)
  • Used for detection of live voltage, and proving dead.
  • Suitable for use with digital multimeters and many two pole voltage testers.
  • Convenient pocket-sized, battery powered proving unit that produces a 240Vdc output. 
  • Flush-mounted pocket clip permits stable bench use when desired.
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  Usually Ships In 6 to 13 Business Days

  Martindale PD440S 440V AC Proving Unit

  £116.00 (ex VAT)
  £139.20 (inc VAT)
  • Provides reliable 440V nominal output for safe electrical testing
  • Compatible with a wide range of voltage indicators and testers
  • Durable and easy-to-use design with a magnetic hanger
  • Compact and portable for convenience in various work environments
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  Usually Ships In 6 to 13 Business Days

  Martindale PD440SX Proving Unit with CALCHECK

  £105.95 (ex VAT)
  £127.14 (inc VAT)
  • Safely proves the operation of voltage indicators and test lamps up to 440V
  • Unique CALCHECK function for multifunction installation tests
  • Individual LED indicators matched to voltage indicator thresholds
  • Long battery life with low battery indicator
  • Includes MAG3 high strength magnetic hanger
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• 
  Usually Ships In 6 to 13 Business Days

  Martindale PD690SX Proving Unit with CALCHECK

  £107.95 (ex VAT)
  £129.54 (inc VAT)
  • Reliable proving unit with CALCHECK for accurate electrical testing
  • Rugged construction ideal for on-site use
  • Enhanced calibration capability for compliance assurance
  • Long battery life and low-battery indicator for uninterrupted testing
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• 
  Usually Ships In 6 to 13 Business Days

  Megger MPU690 Proving Unit

  £92.05 (ex VAT)
  £110.46 (inc VAT)
  • 5 stepped nominal output voltages
  • Automatic operation
  • High output power suitable for test lamps
  • Extended battery life
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• 
  In Stock - Express Delivery Available

  Socket & See SP200 Professional Proving Unit

  £85.40 (ex VAT)
  £102.48 (inc VAT)
  • The first proving unit to generate AC waveform for a true test
  • Compact design encourages routine safety checks
  • Automatic test function to conserve batteries
  • Step voltage LED's indicate voltage being generated
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• 
  In Stock - Express Delivery Available

  Socket & See SP400 Proving Unit

  £92.40 (ex VAT)
  £110.88 (inc VAT)
  • Tests multimeters, voltage indicators, and non-contact voltage detectors
  • Outputs from 50V to 690V with true AC waveform at 50Hz
  • Compact, battery-powered unit with automatic features
  • Reliable and safe testing for professional electricians
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