Proving Devices
Showing all 12 results
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Martindale PD690SRD – 690V AC/DC Proving Unit with 5 ranges
- Suitable for use with voltage indicators up to 690V
- Stepped voltage output matched to two-pole tester thresholds
- Switchable DC output mode via push button
- Compatible with S-series magnetic hanger
- Ideal for proving indicators and measurement devices up to 690V AC or DC in commercial and industrial applications
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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
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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
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Martindale PD440SRDX – 440V AC/DC Proving Unit with 4 ranges & CALCHECK
- Suitable for use with voltage indicators up to 440V
- Switchable DC output mode via push button
- CALCHECK for verification of resistance ranges on 18th Edition testers
- Stepped voltage output matched to two-pole tester thresholds
- Compatible with S-series magnetic hanger
- Ideal for proving indicators and measurement devices up to 440V AC or DC and to check the operation of 18th Edition Installation Testers
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Martindale PD440SRD – 440V AC/DC Proving Unit with 4 ranges
- Suitable for use with voltage indicators up to 440V
- Switchable AC / DC output mode via push button
- Stepped voltage output matched to two-pole tester thresholds
- Compatible with S-series magnetic hanger
- Ideal for proving indicators and measurement devices up to 230V AC or DC in domestic and commercial applications
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Martindale PD440SX – 440V AC Proving Unit with 4 ranges and 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
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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
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Martindale PD230SRD – 230V AC/DC Proving Unit with 3 ranges
- Suitable for use in proving applications up to 230V
- Switchable AC / DC output mode via push button
- Stepped voltage output matched to two-pole tester thresholds
- Compatible with S-series magnetic hanger
- Ideal for proving indicators and measurement devices up to 230V AC or DC in domestic and commercial applications
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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
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Martindale PD690S-C 690V AC Proving Unit with kit Soft Carry Case (fits VI)
- Proving Unit safely and simply proves the operation of voltage indicators and test lamps up to 690V
- Integrates with your existing Voltage Indicator in a single kit
- Essential for implementing effective safe isolation procedures
- Robust construction provides long life and ensure safety
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Martindale PD440S-C 440V AC Proving Unit with kit Soft Carry Case (fits VI)
- Proving Unit safely and simply proves the operation of voltage indicators and test lamps up to 440V
- Integrates with your existing Voltage Indicator in a single kit
- Essential for implementing effective safe isolation procedures
- Robust construction provides long life and ensure safety
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Martindale PSUPD230 Proving Unit Power supply
- Mains power supply
- Compatible with Martindale PD430, PD440, PD690, PD700 & PD710