Martindale PD240 Proving Unit
The Martindale PD240 Proving Unit is a compact and reliable tool designed to ensure electrical safety in the workplace. It produces a stable 240V DC output, making it ideal for verifying voltage indicators before and after use. Its pocket-sized build and lightweight design allow technicians to carry it with ease, making it a practical choice for everyday testing.
Reliable Safety Testing
The unit prioritises operator safety by restricting the current to a maximum of 2mA. It works effectively with digital multimeters and two-pole voltage testers that have an input impedance greater than 120kΩ. A microswitch activates the device as soon as test probes enter the front face apertures, and an adjacent LED indicator clearly displays when the proving unit is powered.
Practical and Long-Lasting
Thanks to its switch-mode electronics, the Martindale PD240 offers long battery life, reducing downtime and replacement needs. A flush-mounted pocket clip provides the option of stable bench use when required, while the durable flame-retardant ABS casing ensures long service life under regular use. Its design balances safety, durability, and ease of use, making it a dependable addition to any electrician’s toolkit.
This unit is a vital accessory for anyone who needs to confirm the correct function of voltage indicators. By integrating clear operation, compact design, and safe current limitation, the Martindale PD240 Proving Unit helps maintain compliance with safe working practices.
Key Features
- Produces a 240V DC proving output
- Pocket-sized design for easy handling
- Current limited to a safe 2mA maximum
- LED indicator shows power status
- Microswitch activation when probes inserted
- Long battery life with switch-mode electronics
- Flush-mounted pocket clip for bench use
- Flame retardant ABS body for durability
- Lightweight at only 185g for portability
- Suitable for multimeters and two-pole testers over 120kΩ
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