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Martindale VT28PD-S Voltage Tester & Proving Unit Kit

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MARVT28/PD-S
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Maintain compliance with safe isolation procedures using the Martindale VT28PD-S Voltage Tester & Proving Unit Kit. It includes:

  • 1x Martindale VT28 Two-Pole Voltage Tester
  • 1x Martindale PD690S Proving Unit
  • 2x Probe Tip Covers
  • 2x 1.5V AAA Batteries
  • 6x 1.5V AA Alkaline Batteries
  • Instruction Manual
  • 1x Martindale TC72 Carry Case with Neck Strap

Martindale VT28 Two-Pole Voltage Tester Description

Capable of measuring AC/DC voltages between 12V and 690V, the Martindale VT28 Two-Pole Voltage Tester is a compact, two-pole voltage detector with a 7-LED scale and an LCD display for indicating exact values. In addition to this, the Martindale VT28 Two-Pole Voltage Tester offers Phase Rotation, Single-Pole Voltage Detection, and Continuity (with LED and buzzer) functions.

The Martindale VT28 Two-Pole Voltage Tester is also equipped with an Auto Power Off function for conserving battery life. Other practical features include a built-in white LED torch close to the probe tips ensuring the Martindale VT28 Two-Pole Voltage Tester can be used in dark/low-light environments.

Finally, the Martindale VT28 Two-Pole Voltage Tester meets the latest safety standards. It features removable GS38-compliant probe caps and a 1.2m double-insulated cable with a contrasting inner and outer core designed to provide a clear indication of any damage.

The Martindale VT28 Two-Pole Voltage Tester is a safety-optimised, simple-to-use voltage indicator ideal for proving circuits are dead prior to commencing work.

Martindale VT28 Two-Pole Voltage Tester Key Features

  • Two-pole voltage indicator
  • Measure AC/DC voltages between 12V and 690V
  • 7-LED voltage scale
  • LCD display
  • Indicates voltage even if the battery is dead
  • Phase Rotation
  • Single-Pole Voltage Detection
  • Continuity with LED indication and buzzer
  • Auto Power Off function
  • Built-in white LED torch
  • Meets the latest safety standards
  • BS EN61243-3 compliant
  • Removable GS38 probe caps
  • 1.2m double-insulated cable with a contrasting inner and outer core
  • A safety-optimised, simple-to-use voltage indicator ideal for proving circuits are dead

Martindale PD690S Proving Unit Description

The Martindale PD690S Proving Unit can be used to prove the Martindale VT28 Two-Pole Voltage Tester is working correctly both before and after use, as required by safe isolation procedures. This compact proving unit can produce voltages up to 700V AC/DC making it suitable for checking low- and high-impedance voltage indicators, test lamps, and two-pole testers with ranges up to 700V.

Practical features include a tough over-moulded low-profile design, a long battery life, a low battery indicator, and an Auto Power Off function.

The Martindale PD690S Proving Unit is an ergonomic, easy-to-use proving device.

Martindale PD690S Proving Unit Key Features

  • Prove the Martindale VT28 is working correctly both before and after use
  • Maintain compliance with safe isolation procedures
  • Simulates voltages up to 700V AC/DC
  • Suitable for proving low- and high-impedance voltage indicators, test lamps, and two-pole ranges up to 700V
  • Compact
  • Tough, over-moulded, low-profile design
  • Long battery life
  • Low battery indicator
  • Auto Power Off function
  • Ergonomic, easy-to-use proving device

What’s Included?

  • 1x Martindale VT28 Two-Pole Voltage Tester
  • 1x Martindale PD690S Proving Unit
  • 2x Probe Tip Covers
  • 2x 1.5V AAA Batteries
  • 6x 1.5V AA Alkaline Batteries
  • Instruction Manual
  • 1x Martindale TC72 Carry Case with Neck Strap

Martindale VT28PD-S Voltage Tester & Proving Unit Kit Technical Specifications 

Function  VT28 PD690S
Electrical 
Maximum working voltage 690V DC & AC rms  
Nominal voltage threshold indications 12, 24, 50, 120, 230, 690V AC/DC  
Nominal voltage threshold tolerance Conforms to BS EN 61243-3:2014  
Internal impedance at ELV AC 260kΩ  
Polarity indication from 12V DC/AC rms  
Range detection automatic  
Response time <1s to 100% of each nominal voltage  
Frequency range DC, 16 to 400Hz  
Test current (In) <3.5mA  
Duty ratio 30s ON (operated) / 240s OFF (recovery)  
Overvoltage protection 690V DC or AC rms  
Output voltage   690V nominal
Output frequency   50Hz nominal
Digital Voltmeter 
Voltage range 10V to 690V (DC, 16
to 400Hz)
 
Resolution 0.1V  
Accuracy ± (3% + 5 digits)  
Single Pole Phase Test
Voltage range 100 to 690V AC rms  
Frequency range 50 to 60Hz  
Phase Rotation Test
Voltage range 120 to 400V AC rms (phase to earth)  
Frequency range 50 to 60Hz  
Continuity 
Resistance range 0 to 500kΩ  
Test current 3µA  
Overvoltage protection 690V DC or AC rms  
Environmental
Temperature (Operating) -10°C to 55°C -10°C to 40°C at max
Temperature (Storage) -20°C to 70°C, Non condensing  
Humidity (Operating & Storage) ≤ 85% R.H. 70% R.H
Altitude up to 2000m  
Pollution degree 2  
General 
Power 2 x 1.5V, AAA alkaline batteries (IEC LR03, NEDA 24A) 6 x 1.5V, AA alkaline batteries
(IEC LR6, NEDA 15A)
Battery consumption 80mA max.  
Dimensions 285 x 72 x 41 mm 150 x 80 x 35mm
Weight 250g 350g approx. with batteries
Safety 
Conforms to BS EN 61243-3, BS EN 61010-1 CAT IV 600V,
CAT III 1000V
 
Class II, double insulation  
IP rating IP64 to BS EN 60529  
GS38 compliance (with probe covers fitted)  
EMC
Conforms to BS EN 31326-1  
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Additional Information
SKU MARVT28/PD-S
Manufacturer Part Code MARVT28/PD-S

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