Martindale VT28PD-S Voltage Indicator Proving Unit 3.5mA 690V LCD, LED

View all Proving Units

Subtotal (1 unit)*

£227.43

(exc. VAT)

£272.92

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 27 unit(s) ready to ship
  • Plus 16 unit(s) shipping from 16 October 2025
  • Plus 12 unit(s) shipping from 14 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£227.43

*price indicative

Calibration Options:

presentation
Martindale MARVT28PD-S Voltage Indicator 3.5mA 690V LCD, LED RS Calibration
Calibration Type:
RSCAL
RS Stock No.
238-1577

Each

£269.43

(exc. VAT)

£323.32

(inc. VAT)

RS Stock No.:
238-0640
Mfr. Part No.:
VT28PD-S
Brand:
Martindale
Find similar products by selecting one or more attributes.
Select all

Brand

Martindale

Test Current Rating

3.5mA

Output Voltage

690V

Display Type

LCD, LED

Battery Type

AA

Power Source

Battery

Red Lockout in use on machinery, stating "Do Not Remove, Locked Out"
On the lookout for a Lockout?
Ensure safety during testing—pair your Proving Unit with a Lockout device to prevent accidental energisation, protect personnel, and stay compliant with safety standards.
Shop Lockouts

Related links