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Martindale PD690S 690V Proving Unit
The Martindale PD690S Proving Unit can be used to ensure compliance with Electricity at Work Regulations: it is suitable for proving multimeters, high- and low-impedance voltage indicators, two-pole testers, and Drummond test lamps before and after use to ensure they are functioning correctly.
This unit has a single voltage output of 690V AC: the full voltage is supplied in contact with the instrument under investigation. The Martindale PD690S Proving Unit is color-coded to indicate that it has a voltage output of 690V AC, distinguishing it from the 440V models in Martindale’s series of PDS and PDSX Proving Units.
The Martindale PD690S Proving Unit is in a tough, low-profile, over-moulded case with a detachable, high-strength MG3 magnetic hanger. It is a small and lightweight instrument with a long battery life. The Auto Power Off function is designed to preserve the Martindale PD690S Proving Unit’s power, whilst its low battery indicator alerts the user when the batteries require attention.
The Martindale PD690S Proving Unit is an alternative to the industry-standard Martindale PD690 Proving Unit. It is ideal for contractors and maintenance teams requiring a tool to prove multimeters, test lamps, two-pole testers, and voltage indicators quickly, simply, and safely.
Martindale PD690S 690V Proving Unit Key Features
- Maintain compliance with Electricity at Work Regulations
- Prove multimeters, high- and low-impedance voltage indicators, two-pole testers, and Drummond test lamps
- Single voltage output: 690V AC
- The full voltage is supplied on contact with the instrument-under-investigation
- Colour coded to indicate a voltage output of 690V AC
- Part of Martindale’s PDS and PDSX series of Proving Units
- Rugged, low-profile, over-molded case
- Detachable, high-strength MG3 magnetic hanger
- Small and lightweight
- Long battery life
- Auto Power Off function
- Low battery indicator
- An alternative to the industry-standard Martindale PD690 Proving Unit
- Ideal for contractors and maintenance teams
- Prove multimeters, test lamps, two-pole testers, and voltage indicators quickly, and safely
What’s Included?
- Martindale PD690S 690V Proving Unit
- Martindale MG3 Magnetic Hanger
- 6 x 1.5V AA Alkaline Batteries
- Instruction Manual
Martindale PDS and PDSX Proving Units Comparison Chart
| PD440S | PD440SX | PD690S | PD690SX | |
|---|---|---|---|---|
| Maximum Voltage Output | 440V AC | 440V AC | 690V AC | 690V AC |
| LED Voltage Thresholds | 440V | 50V, 120V, 230V, 440V | 690V | 50V, 120V, 230V, 400V, 690V |
| High Voltage LED | Yes | Multiple | Yes | Multiple |
| Low Battery LED | Yes | Yes | Yes | Yes |
| High/Low Z compatible | Yes | Yes | Yes | Yes |
| CALCHECK resistance values | No | Yes | No | Yes |
| Colour-coded to match voltage indicators | Yes | Yes | Yes | Yes |
| Suitable for | Multimeters, voltage testers & Drummond test lamps | Multimeters, voltage testers & Drummond test lamps | Multimeters, voltage testers & Drummond test lamps | Multimeters, voltage testers & Drummond test lamps |
Martindale PDS & PDSX Proving Units Technical Specifications
| Function | PD440S | PD440SX | PD690S | PD690SX |
|---|---|---|---|---|
| Electrical | ||||
| Output voltage | 440V nominal | 440/230/100/50V nominal | 690V nominal | 690/230/100/50V nominal |
| Output frequency | 50Hz nominal | 50Hz nominal | 50Hz nominal | 50Hz nominal |
| Output loading | See the typical output voltage vs. loading graph in the datasheet. | |||
| Environmental | ||||
| Temperature & Humidity (Operating & Storage) | -10°C to 40°C at max. 70% R.H. | |||
| Altitude | up to 2000m | |||
| Pollution Degree | 2 | |||
| General | ||||
| Power | 6 x 1.5V, AA alkaline batteries (IEC LR6, NEDA 15A) | |||
| Dimensions | 150 x 80 x 35mm | |||
| Weight | 350g approx. with batteries | |||
| CALCHECK | ||||
| Insulation test resistance nominal values | - | 0.5MΩ (max test voltage 1kV) | - | 0.5MΩ (max test voltage 1kV) |
| 1.0MΩ (max test voltage 1kV) | 1.0MΩ (max test voltage 1kV) | |||
| Continuity test resistance nominal values | - | 0.5Ω (max test current 200mA) | - | 0.5Ω (max test current 200mA) |
| 1.0Ω (max test current 200mA) | 1.0Ω (max test current 200mA) | |||
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Additional Information
| SKU | MARPD690S |
|---|---|
| Manufacturer Part Code | MARPD690S |
| Country of Origin | China |
