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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 PD230SRD Proving Unit 230V AC/DC None
Martindale PD230SRD Proving Unit 230V AC/DC None
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RS Stock No.: 288-1136Brand: MartindaleManufacturers Part No.: PD230SRD

BD 55.247

Each (Exc. Vat)

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1

Available in multiples of 1
1BD 55.247
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Martindale
-
230V AC/DC
None
AA Alkaline Battery
Battery
-
-
-
-
-
-
-
-
-
Martindale PD230SRD Proving Unit 230V None RS Calibration
Martindale PD230SRD Proving Unit 230V None RS Calibration
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RS Stock No.: 288-1146Brand: MartindaleManufacturers Part No.: PD230SRD

BD 92.334

Each (Exc. Vat)

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1

Available in multiples of 1
1BD 92.334
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Martindale
-
230V
None
AA Alkaline Battery
Battery
-
-
-
-
-
-
-
-
-
Martindale PD440SRD Proving Unit 440V AC/DC None
Martindale PD440SRD Proving Unit 440V AC/DC None
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RS Stock No.: 288-1137Brand: MartindaleManufacturers Part No.: PD440SRD

BD 66.445

Each (Exc. Vat)

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1

Available in multiples of 1
1BD 66.445
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Martindale
-
440V AC/DC
None
AA Alkaline Battery
Battery
-
-
-
-
-
-
-
-
-
Martindale PD440SRD Proving Unit 440V None RS Calibration
Martindale PD440SRD Proving Unit 440V None RS Calibration
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RS Stock No.: 288-1152Brand: MartindaleManufacturers Part No.: PD440SRD

BD 105.187

Each (Exc. Vat)

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1

Available in multiples of 1
1BD 105.187
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Martindale
-
440V
None
AA Alkaline Battery
Battery
-
-
-
-
-
-
-
-
-
Martindale PD440SRDX Proving Unit 440 V AC/DC None
Martindale PD440SRDX Proving Unit 440 V AC/DC None
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RS Stock No.: 288-1138Brand: MartindaleManufacturers Part No.: PD440SRDX

BD 69.300

Each (Exc. Vat)

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1

Available in multiples of 1
1BD 69.300
Add to basket
Martindale
-
440 V AC/DC
None
AA Alkaline Battery
Battery
-
-
-
-
-
-
-
-
-
Martindale PD440SRDX Proving Unit 440V None RS Calibration
Martindale PD440SRDX Proving Unit 440V None RS Calibration
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RS Stock No.: 288-1157Brand: MartindaleManufacturers Part No.: PD440SRDX

BD 108.405

Each (Exc. Vat)

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1

Available in multiples of 1
1BD 108.405
Add to basket
Martindale
-
440V
None
AA Alkaline Battery
Battery
-
-
-
-
-
-
-
-
-
Martindale PD690SRD Proving Unit 690V AC/DC None
Martindale PD690SRD Proving Unit 690V AC/DC None
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RS Stock No.: 288-1139Brand: MartindaleManufacturers Part No.: PD690SRD

BD 72.187

Each (Exc. Vat)

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1

Available in multiples of 1
1BD 72.187
Add to basket
Martindale
-
690V AC/DC
None
AA Alkaline Battery
Battery
-
-
-
-
-
-
-
-
-
Martindale PD690SRD Proving Unit 690V None RS Calibration
Martindale PD690SRD Proving Unit 690V None RS Calibration
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RS Stock No.: 288-1163Brand: MartindaleManufacturers Part No.: PD690SRD

BD 111.617

Each (Exc. Vat)

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1

Available in multiples of 1
1BD 111.617
Add to basket
Martindale
-
690V
None
AA Alkaline Battery
Battery
-
-
-
-
-
-
-
-
-
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

P.O.A.

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1P.O.A.
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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

P.O.A.

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1

Available in multiples of 1
1P.O.A.
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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

P.O.A.

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1

Available in multiples of 1
1P.O.A.
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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
Add to parts list
RS Stock No.: 193-5334Brand: MartindaleManufacturers Part No.: PD440S

P.O.A.

Check stock

1

Available in multiples of 1
1P.O.A.
Add to basket
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
Add to parts list
RS Stock No.: 193-5335Brand: MartindaleManufacturers Part No.: PD440SX

P.O.A.

Check stock

1

Available in multiples of 1
1P.O.A.
Add to basket
Martindale
200mA
440V ac
LED
AA
Battery
150 x 80 x 35mm
350g
35mm
150mm
+40°C
-10°C
-
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

P.O.A.

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1

Available in multiples of 1
1P.O.A.
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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

P.O.A.

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1

Available in multiples of 1
1P.O.A.
Add to basket
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

P.O.A.

Check stock

1

Available in multiples of 1
1P.O.A.
Add to basket
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

P.O.A.

Check stock

1

Available in multiples of 1
1P.O.A.
Add to basket
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
Add to parts list
RS Stock No.: 238-1561Brand: MartindaleManufacturers Part No.: MARVIPDLOKPRO138-S

P.O.A.

Check stock

1

Available in multiples of 1
1P.O.A.
Add to basket
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
Add to parts list
RS Stock No.: 238-1566Brand: MartindaleManufacturers Part No.: MARVIPDLOKPRO150-S

P.O.A.

Check stock

1

Available in multiples of 1
1P.O.A.
Add to basket
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

P.O.A.

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1

Available in multiples of 1
1P.O.A.
Add to basket
Martindale
3.5mA
690V
LED
AA-AAA
Battery
-
-
-
-
-
-
-
-
-