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. Proving units can test voltages from AC and DC instruments, whilst reducing the risk of a shock or arc flash by validating the testing equipment.

What are the different types of Proving Unit?

As we know the proving units are portable making them easy to transport and use in many environments, however, there are many varieties of proving units to accommodate the vast voltage ranges of electrical equipment. For example, low voltage proving units such as the Martindale PD240 can test voltages up to 240V, great for residential appliances. If you need something capable of testing high voltage testers, then the Martindale PD690 kit is a great option by testing voltages from 12V to 700V and with a proving unit accompanied by a voltage tester in a neat carry pouch.

Proving unit can supply a range of voltages to the two-pole voltage testers to ensure a thorough test at the applied voltages. An LED light is the sign that the two-pole voltage tester is functioning correctly, allowing you to proceed with your job. Like most devices in a toolbox or bag they can be susceptible to dust, water and general knocks, that’s why it’s important to maintain a testing schedule of your voltage testers. As these aspects can affect the accuracy of voltage testers and if inaccuracies aren’t noticed then this is when safety is in doubt. RS Components offers an in-house calibration service (RSCAL) prior to delivery, but also offers a yearly service for these products.

Why Choose RS Components for a Proving Unit?

Whether you’re an electrician or another professional, then RS Components has a comprehensive range of Proving Units and Proving Unit Kits to choose from leading brands such as Martindale, Fluke, Black Star and Megger. On hand advice from our technical experts to aid your decisions and our inhouse calibration service. See more about our calibration services here.


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Beskrivning Pris Test Current Rating Output Voltage Display Type Battery Type Calibrated Power Source Dimensions Weight Height Length Maximum Operating Temperature Minimum Operating Temperature Model Number p Plug Type
RS-artikelnummer 881-2775
Tillv. art.nrPRV240
VarumärkeFluke
2 125,00 kr
Each
Enheter
- - - AA - Battery 117 x 74 x 28mm 200g 28mm 117mm +50°C -10°C PRV240 -
RS-artikelnummer 879-8770
Tillv. art.nrPRV240
VarumärkeFluke
2 555,00 kr
Each
Enheter
- - - AA RSCAL Battery 117 x 74 x 28mm 200g 28mm 117mm +50°C -10°C PRV240 -
RS-artikelnummer 704-8712
Tillv. art.nrSP 200
VarumärkeSocket & See
1 794,40 kr
Each
Enheter
36mA 50 → 690V - AA RSCAL Battery 130 x 65 x 49mm 350g 49mm 130mm +40°C -10°C SP-200 -
RS-artikelnummer 704-7740
Tillv. art.nrSP 200
VarumärkeSocket & See
1 268,40 kr
Each
Enheter
36mA 50 → 690V - AA - Battery 130 x 65 x 49mm 350g 49mm 130mm +40°C -10°C SP-200 -
RS-artikelnummer 719-0894
Tillv. art.nrRSPD690
VarumärkeMartindale
1 260,38 kr
Each
Enheter
- 700V - AA - Battery 143 x 84 x 50mm 400g 50mm 143mm +40°C -10°C PD690 -
RS-artikelnummer 716-1086
Tillv. art.nrRSPD690
VarumärkeMartindale
1 679,38 kr
Each
Enheter
- 700V - AA RSCAL Battery 143 x 84 x 50mm 400g 50mm 143mm +40°C -10°C PD690 -
RS-artikelnummer 913-7031
Tillv. art.nrPD240
VarumärkeMartindale
1 303,38 kr
Each
Enheter
2mA 240V dc - 9V RSCAL Battery 144 x 63 x 31mm 180g 31mm 144mm +40°C -10°C PD240 -
RS-artikelnummer 706-8586
Tillv. art.nrMTL10/PD
VarumärkeJohn Drummond
2 146,85 kr
Each
Enheter
3.5mA 50 V ac/dc, 100 V ac/dc, 200 V ac/dc, 400 V ac/dc - - - Mains 213 x 112 x 72mm 320g 72mm 213mm +55°C -10°C - -
RS-artikelnummer 706-8719
Tillv. art.nrMTL10/PD
VarumärkeJohn Drummond
2 565,85 kr
Each
Enheter
3.5mA 50 V ac/dc, 100 V ac/dc, 200 V ac/dc, 400 V ac/dc - - RSCAL Mains 213 x 112 x 72mm 320g 72mm 213mm +55°C -10°C - -
RS-artikelnummer 914-4714
Tillv. art.nrPD240
VarumärkeMartindale
873,38 kr
Each
Enheter
2mA 240V dc - 9V - Battery 144 x 63 x 31mm 180g 31mm 144mm +40°C -10°C PD240 -
RS-artikelnummer 188-2941
Tillv. art.nrTB118KIT1
VarumärkeMartindale
5 118,25 kr
Each
Enheter
3.5mA 600V ac/dc - AA RSCAL Battery, Mains 205 x 67 x 27mm 130g 27mm 205mm +40°C -10°C - -
Nytt
RS-artikelnummer 238-0637
Tillv. art.nrMARVIPDLOKPRO150-S
VarumärkeMartindale
4 435,86 kr
Each
Enheter
3.5mA 690V LED AA - Battery - - - - - - - -
Nytt
RS-artikelnummer 238-1545
Tillv. art.nrMARVIPD150-S
VarumärkeMartindale
3 093,96 kr
Each
Enheter
3.5mA 690V LED AA RSCAL Battery - - - - - - - -
Nytt
RS-artikelnummer 238-1556
Tillv. art.nrMARVIPDLOK150-S
VarumärkeMartindale
4 169,32 kr
Each
Enheter
3.5mA 690V LED AA RSCAL Battery - - - - - - - -
RS-artikelnummer 193-5358
Tillv. art.nrMARPD690SX
VarumärkeMartindale
1 903,75 kr
Each
Enheter
200mA 690V ac LED AA RSCAL Battery 150 x 80 x 35mm 350g 35mm 150mm +40°C -10°C PD690SX -
RS-artikelnummer 180-9301
Tillv. art.nrMTL15PD
VarumärkeJohn Drummond
2 976,27 kr
Each
Enheter
3.5mA 700V ac LCD AA RSCAL Battery 84 x 143 x 50mm 400g 50mm 84mm +40°C -10°C - -
Nytt
RS-artikelnummer 238-0633
Tillv. art.nrMARVIPD150-S
VarumärkeMartindale
2 674,96 kr
Each
Enheter
3.5mA 690V LED AA - Battery - - - - - - - -
RS-artikelnummer 193-5355
Tillv. art.nrMARPD440S
VarumärkeMartindale
1 654,21 kr
Each
Enheter
200mA 440V ac LED AA RSCAL Battery 150 x 80 x 35mm 350g 35mm 150mm +40°C -10°C PD440S -
RS-artikelnummer 706-8713
Tillv. art.nrMTL20/PD
VarumärkeJohn Drummond
2 749,95 kr
Each
Enheter
28mA 50 V ac/dc, 100 V ac/dc, 200 V ac/dc, 400 V ac/dc - - RSCAL Mains 213 x 112 x 72mm 350g 72mm 213mm +55°C -10°C - -
RS-artikelnummer 181-5041
Tillv. art.nr1001-561
VarumärkeMegger
2 153,02 kr
Each
Enheter
- 50 → 690V LED AA RSCAL Battery 130 x 48 x 68mm 346g 68mm 130mm +40°C -10°C Mpu690 -