PD690SRD Proving Device Product Tour
Martindale’s AC & DC Proving Unit PD690SRD – for safe isolation and calibration checking.
Fast, easy to use and suitable for voltage indicators and testers up to 690V. Switch to DC output mode via the push button.
- Output up to 690V
- Switchable AC & DC
- Five Stepped output
- Compact slimline design, rugged construction and easy to use
Exceptional durability. Ideal for commercial and industrial applications where safe electrical working requires the use of a voltage indicator that has been proven by a suitable proving device.
Learn more about Martindale’s AC & DC Proving Devices.
You may also find our article ‘Advanced Proving Units – designed for safer working’ helpful.








