Proving Units

A proving unit is a portable device that’s designed to be used as a two-pole tester, to verify the safe operation of voltage testers such as Multimeters and clamp meters and the accuracy is maintained. As we strongly advise to calibrate such products, when used in combination with a proving unit peace of mind will be made to ensure accuracy is maintained between calibration intervals. Pro...

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Martindale PD690S Proving Unit 200mA 690V ac LED
Martindale PD690S Proving Unit 200mA 690V ac LED
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RS Stock No.: 193-5336Brand: MartindaleManufacturers Part No.: PD690S

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Martindale
200mA
690V ac
LED
AA
Battery
150 x 80 x 35mm
350g
35mm
150mm
+40°C
-10°C
PD690S
PD690S
80mm
Megger 1001-561 Proving Unit 50 → 690V LED
Megger 1001-561 Proving Unit 50 → 690V LED
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RS Stock No.: 181-5014Brand: MeggerManufacturers Part No.: 1001-561

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Megger
-
50 → 690V
LED
AA
Battery
130 x 48 x 68mm
346g
68mm
130mm
+40°C
-10°C
Mpu690
Mpu690
48mm
Martindale PD690SX Proving Unit 200mA 690V ac LED
Martindale PD690SX Proving Unit 200mA 690V ac LED
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RS Stock No.: 193-5337Brand: MartindaleManufacturers Part No.: PD690SX

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Martindale
200mA
690V ac
LED
AA
Battery
150 x 80 x 35mm
350g
35mm
150mm
+40°C
-10°C
PD690SX
-
80mm
Martindale PD440S Proving Unit 200mA 440V ac LED
Martindale PD440S Proving Unit 200mA 440V ac LED
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RS Stock No.: 193-5334Brand: MartindaleManufacturers Part No.: PD440S

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Martindale
200mA
440V ac
LED
AA
Battery
150 x 80 x 35mm
350g
35mm
150mm
+40°C
-10°C
PD440S
PD440S
80mm
Martindale PD440SX Proving Unit 200mA 440V ac LED
Martindale PD440SX Proving Unit 200mA 440V ac LED
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RS Stock No.: 193-5335Brand: MartindaleManufacturers Part No.: PD440SX

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Martindale
200mA
440V ac
LED
AA
Battery
150 x 80 x 35mm
350g
35mm
150mm
+40°C
-10°C
PD440SX
PD440SX
80mm
Martindale MARVIPD138-S Voltage Indicator 3.5mA 440V LED RS Calibration
Martindale MARVIPD138-S Voltage Indicator 3.5mA 440V LED RS Calibration
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RS Stock No.: 238-1540Brand: MartindaleManufacturers Part No.: MARVIPD138-S

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Martindale
3.5mA
440V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale MARVIPD150-S Voltage Indicator 3.5mA 690V LED RS Calibration
Martindale MARVIPD150-S Voltage Indicator 3.5mA 690V LED RS Calibration
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RS Stock No.: 238-1545Brand: MartindaleManufacturers Part No.: MARVIPD150-S

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Martindale
3.5mA
690V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale MARVIPDLOK138-S Voltage Indicator 3.5mA 440V LED RS Calibration
Martindale MARVIPDLOK138-S Voltage Indicator 3.5mA 440V LED RS Calibration
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RS Stock No.: 238-1550Brand: MartindaleManufacturers Part No.: MARVIPDLOK138-S

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Martindale
3.5mA
440V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale MARVIPDLOK150-S Voltage Indicator 3.5mA 690V LED RS Calibration
Martindale MARVIPDLOK150-S Voltage Indicator 3.5mA 690V LED RS Calibration
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RS Stock No.: 238-1556Brand: MartindaleManufacturers Part No.: MARVIPDLOK150-S

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Martindale
3.5mA
690V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale MARVIPDLOKPRO138-S Voltage Indicator 3.5mA 440V LED RS Calibration
Martindale MARVIPDLOKPRO138-S Voltage Indicator 3.5mA 440V LED RS Calibration
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RS Stock No.: 238-1561Brand: MartindaleManufacturers Part No.: MARVIPDLOKPRO138-S

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Martindale
3.5mA
440V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale MARVIPDLOKPRO150-S Voltage Indicator 3.5mA 690V LED RS Calibration
Martindale MARVIPDLOKPRO150-S Voltage Indicator 3.5mA 690V LED RS Calibration
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RS Stock No.: 238-1566Brand: MartindaleManufacturers Part No.: MARVIPDLOKPRO150-S

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Martindale
3.5mA
690V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale MARVT25PD-S Voltage Indicator 3.5mA 690V LED RS Calibration
Martindale MARVT25PD-S Voltage Indicator 3.5mA 690V LED RS Calibration
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RS Stock No.: 238-1571Brand: MartindaleManufacturers Part No.: MARVT25PD-S

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Martindale
3.5mA
690V
LED
AA-AAA
Battery
-
-
-
-
-
-
-
-
-
Martindale MARVT28PD-S Voltage Indicator 3.5mA 690V LCD, LED RS Calibration
Martindale MARVT28PD-S Voltage Indicator 3.5mA 690V LCD, LED RS Calibration
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RS Stock No.: 238-1577Brand: MartindaleManufacturers Part No.: MARVT28PD-S

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Martindale
3.5mA
690V
LCD, LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale VIPD138-S Voltage Indicator Proving Unit 3.5mA 440V LED
Martindale VIPD138-S Voltage Indicator Proving Unit 3.5mA 440V LED
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RS Stock No.: 238-0632Brand: MartindaleManufacturers Part No.: VIPD138-S

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Martindale
3.5mA
440V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale VIPD150-S Voltage Indicator Proving Unit 3.5mA 690V LED
Martindale VIPD150-S Voltage Indicator Proving Unit 3.5mA 690V LED
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RS Stock No.: 238-0633Brand: MartindaleManufacturers Part No.: VIPD150-S

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Martindale
3.5mA
690V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale VIPDLOK138-S Proving Unit Kit 3.5mA 440V LED
Martindale VIPDLOK138-S Proving Unit Kit 3.5mA 440V LED
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RS Stock No.: 238-0634Brand: MartindaleManufacturers Part No.: VIPDLOK138-S

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Martindale
3.5mA
440V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale VIPDLOK150-S Voltage Indicator 3.5mA 690V LED
Martindale VIPDLOK150-S Voltage Indicator 3.5mA 690V LED
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RS Stock No.: 238-0635Brand: MartindaleManufacturers Part No.: VIPDLOK150-S

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Martindale
3.5mA
690V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale VIPDLOKPRO138-S Proving Unit Kit 3.5mA 440V LED
Martindale VIPDLOKPRO138-S Proving Unit Kit 3.5mA 440V LED
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RS Stock No.: 238-0636Brand: MartindaleManufacturers Part No.: VIPDLOKPRO138-S

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Martindale
3.5mA
440V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale VIPDLOKPRO150-S Proving Unit Kit 3.5mA 690V LED
Martindale VIPDLOKPRO150-S Proving Unit Kit 3.5mA 690V LED
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RS Stock No.: 238-0637Brand: MartindaleManufacturers Part No.: VIPDLOKPRO150-S

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Martindale
3.5mA
690V
LED
AA
Battery
-
-
-
-
-
-
-
-
-
Martindale VT25PD-S Voltage Indicator Proving Unit 3.5mA 690V LED
Martindale VT25PD-S Voltage Indicator Proving Unit 3.5mA 690V LED
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RS Stock No.: 238-0638Brand: MartindaleManufacturers Part No.: VT25PD-S

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Martindale
3.5mA
690V
LED
AA-AAA
Battery
-
-
-
-
-
-
-
-
-