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  Proving Units (23 items)

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Martindale VIPDLOK138-S Voltage Indicator 3.5mA 440V LED / 2380634 (1 offer) 
Test Current Rating = 3.5mA Output Voltage = 440V Display Type = LED Battery Type = AA Power Source = Battery
Martindale Electric
VIPDLOK138-S
£ 277.171*
per piece
 
 piece
Martindale VIPDLOK150-S Voltage Indicator 3.5mA 690V LED / 2380635 (1 offer) 
Test Current Rating = 3.5mA Output Voltage = 690V Display Type = LED Battery Type = AA Power Source = Battery
Martindale Electric
VIPDLOK150-S
£ 319.008*
per piece
 
 piece
Martindale VIPDLOKPRO138-S Voltage Indicator 3.5mA 440V LED / 2380636 (2 offers) 
Test Current Rating = 3.5mA Output Voltage = 440V Display Type = LED Battery Type = AA Power Source = Battery
Martindale Electric
VIPDLOKPRO138-S
from £ 293.10*
per piece
 
 piece
Martindale VIPDLOKPRO150-S Voltage Indicator 3.5mA 690V LED / 2380637 (2 offers) 
Test Current Rating = 3.5mA Output Voltage = 690V Display Type = LED Battery Type = AA Power Source = Battery
Martindale Electric
VIPDLOKPRO150-S
from £ 325.31*
per piece
 
 piece
Martindale VT25PD-S Voltage Indicator 3.5mA 690V LED / 2380638 (1 offer) 
Test Current Rating = 3.5mA Output Voltage = 690V Display Type = LED Battery Type = AA-AAA Power Source = Battery
Martindale Electric
VT25PD-S
£ 191.209*
per piece
 
 piece
Martindale VT28PD-S Voltage Indicator 3.5mA 690V LCD, LED / 2380640 (2 offers) 
Test Current Rating = 3.5mA Output Voltage = 690V Display Type = LCD, LED Battery Type = AA Power Source = Battery
Martindale Electric
VT28PD-S
from £ 196.80*
per piece
 
 piece
Megger 1001-561 Proving Unit 50 → 690V LED / 1815014 (3 offers) 
Megger Voltage Indicator Proving UnitThe Megger voltage indicator proving unit is a portable, lightweight device that comes with two integrated units for the probe tips of voltage tester. This 2-po...
Megger
1001-561
from £ 107.42*
per piece
 
 piece
Socket & See SP 200 Proving Unit 36mA 50 → 690V / 7047740 (1 offer) 
6 AA alkaline batteries ; instructions. Proving Unit SP200. Compact proving unit to test two pole volt testers, multimeters and test lamps Generates AC waveform for a true test : Typical output 230...
Socket & See
SP200
£ 90.576*
per piece
 
 piece
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* Prices with asterisk are net prices excl. statutory VAT.
Our offer is only aimed at companies, public institutions and freelancers.