Proving Devices

Showing all 11 results

  • Martindale PD440S 440V AC Proving Unit

    • Safely and simply proves the operation of voltage indicators and test lamps up to 440V
    • Essential for implementing effective safe isolation procedures
    • Tough overmoulded low profile design
    • Long battery life with low battery indicator
    • Includes MAG3 high strength magnetic hanger
    • Colour coded for voltage output
  • Martindale PD440SX 50V/120V/230V/440V AC Proving Unit with CALCHECK

    • 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
    • Colour coded for voltage output
  • Martindale PD690S 690V AC Proving Unit

    • Safely and simply proves the operation of voltage indicators and test lamps up to 690V
    • Essential for implementing effective safe isolation procedures
    • Tough overmoulded low profile design
    • Long battery life with low battery indicator
    • Includes MAG3 high strength magnetic hanger
    • Colour coded for voltage output
  • Martindale PD690SX 50V/120V/230V/400V/690V AC Proving Unit with CALCHECK

    • Safely proves the operation of voltage indicators and test lamps up to 690V
    • 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
    • Colour coded for voltage output
  • Martindale PD430 50V/440V AC Proving Unit

    • Safely and simply proves the operation of voltage indicators and test lamps
    • Essential for implementing effective safe isolation procedures
    • 50V/440V industry leading proving unit for all low & high impedance testers
    • Long battery life time with low battery indicator
    • Optional in-car & mains power supplies available
  • Martindale PD440 440V AC Proving Unit

    • Safely and simply proves the operation of voltage indicators and test lamps
    • Essential for implementing effective safe isolation procedures
    • 440V industry leading proving unit for all low and high impedance testers
    • Long battery life time with low battery indicator
    • Optional in-car & mains power supplies available
  • Martindale PD690 700V AC Proving Unit

    • Safely and simply proves the operation of voltage indicators and test lamps
    • Essential for implementing effective safe isolation procedures
    • 700V industry leading proving unit for all low and high impedance testers
    • Long battery life time with low battery indicator
    • Optional in-car & mains power supplies available
  • Martindale PD700 50V/700V AC Proving Unit

    • Safely and simply proves the operation of voltage indicators and test lamps
    • Essential for implementing effective safe isolation procedures
    • 50V/700V industry leading proving unit for all low and high impedance testers
    • Long battery life time with low battery indicator
    • Optional in-car & mains power supplies available
  • Martindale PD710 700V DC Proving Unit

    • Safely and simply proves the operation of voltage indicators and test lamps
    • 700V DC output proving unit for both low and high impedance testers
    • Essential for implementing effective safe isolation procedures
    • Long battery life time with low battery indicator
    • Optional in-car & mains power supplies available
  • Martindale PD240 240V DC Proving Unit

    • Safely and simply proves the operation of multimeters and voltage testers
    • 240V DC output proving unit
    • Compact size with belt clip
    • Essential for implementing effective safe isolation
  • Martindale PSUPD230 Proving Unit Power supply

    • Mains power supply
    • Compatible with Martindale PD430, PD440, PD690, PD700 & PD710