Martindale PD690, VT28 Voltage Indicator & Proving Unit Kit <3.5mA 700V, Kit Contents PD690 Proving Unit, TC70

  • RS Stock No. 897-7135
  • Mfr. Part No. MARVT28/PD
  • Manufacturer Martindale
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
Product Details

Martindale Voltage Indicator and Proving Unit Kit MARVT28/PD

Before carrying out any maintenance or repairs on electrical equipment it is essential that all circuitry is isolated and safe to work on. Electricians, engineers, and technicians must be safe in the knowledge that all checks have been made, in accordance with the Electricity at Work Regulations.

The Martindale VT28/PD kit is a CAT IV 600V and 1000v CATIII approved kit that complies with BS EN61243-3. The electrical test kit comprises of the VT28 voltage indicator and the PD690 proving unit. Supplied in the TC70 combination soft carry case with convenient neck strap, the quality kit ensures your electrical test equipment is always at hand, ready to use.

VT28 Voltage Indicator

Compact and lightweight, the Martindale two-pole VT28 voltage indicator is designed for use on AC or DC systems. The voltage indicator features a dual LED and LCD display ensuring tests are easily viewed on the front of the device. Bright LED’s clearly display voltages ranging from 12V to 690V, along with a clear readout on the 4-digit LCD display. In addition, the voltage tester also can check continuity, phase rotation testing and single-pole voltage detection. With double insulated cable and removable probe caps, the VT28 voltage indicator complies with the health and safety recommendations for safe working. The ideal tool for conducting safe isolation procedures.

A built-in bright white LED torch also provides extra light when used dark or low light conditions.

Features and Benefits

• Ergonomically designed for maximum comfort
• Complies with BS EN61243-3 and GS38
• AC/DC indication from 12 to 690V
• LED indication and LCD display
• Continuity – An audible buzzer and optical LED
• Single pole phase test 100 to 690V
• Phase rotation test 120 to 400V
• Built-in torch for low light or dark conditions
• Double insulated cable
• IP64 ingress protection
• Auto power off
• Powered by 2 x 1.5v AAA batteries

PD690 Proving Unit

The Martindale PD690 is a proving device rated to 700 Volts. Tough and lightweight, the battery-powered unit enables voltage indicators to be fully checked in compliance with the latest Health and Safety recommendations. The proving unit is compatible with all Martindale voltage indicators including the VI-15000 and VI13800 models. In addition, this device is suitable for proving any two-pole testers with LCD or LED indication, illuminating LED’s up to 690V.

Features and Benefits

• Constructed from high-quality tough materials
• 700V AC
• Long-life battery
• Low Battery indication
• Can be used to check Drummond and other filament test lamps
• Compatible with standard Multimeters
• Supplied with 6 x 1.5V AA alkaline batteries


Designed to suit a vast array of applications, voltage indicators, and their proving units are used to check electrical equipment is functioning safely and at the levels, they should be. It is vital voltage levels are checked regularly. The test equipment can help engineers identify potential faults and to prepare for any maintenance or repair. Some of the most common areas are

• Electrical contracting
• Power and utility plants
• Industrial engineering
• Electrical Test Equipment


Q: Are there any additional accessories or spares available?
A: Yes, RS Components offer the following part numbers;
122-6551 for the TC70 Soft Carry Case
757-5084 for the LOKKIT1 Safety Lock Out Kit
865-4740 for the VT28 Voltage Indicator
719-0894 for the PD690 Proving Unit


BS EN61243-3:2010 CAT IV 600V, CAT III 1000V

Supplied with

Carry case, neck strap, AAA 1.5 V batteries (x2), instructions

Martindale Lock-Off Kits, Voltage Indicators and Proving Units

Attribute Value
Model Number PD690, VT28
Test Current Rating <3.5mA
Output Voltage 700V
Kit Contents PD690 Proving Unit, TC70 Carry Case with Neck Strap, VT28 Voltage Indicator
Display Type LCD
Battery Type 2 x 1.5 V AAA
Power Source Battery
Dimensions 143 x 84 x 50 (Proving Unit) mm, 205 x 67 x 27 (Indicator) mm
Height 50mm
Length 143mm
Maximum Operating Temperature +40°C
Minimum Operating Temperature -10°C
Width 84mm
27 In stock for delivery within 7 working day(s) (Global Stock)
Price (ex. GST) Each
$ 391.89
(exc. GST)
$ 431.08
(inc. GST)
Per unit
1 +
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