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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Afficher 1 - 20 des 56 produits
Nombre de résultats par page
Description Prix 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
N° de stock RS 193-8692
MarqueRS PRO
61,28 €
Each
Unité
0.03mA 12 → 1000V ac/dc LCD AAA - Battery 73 x 34 x 240mm 237g 240mm 73mm +55°C -10°C - -
N° de stock RS 704-7740
Référence fabricantSP 200
MarqueSocket & See
114,92 €
Each
Unité
36mA 50 → 690V - AA - Battery 130 x 65 x 49mm 350g 49mm 130mm +40°C -10°C SP-200 -
N° de stock RS 704-8712
Référence fabricantSP 200
MarqueSocket & See
183,37 €
Each
Unité
36mA 50 → 690V - AA RSCAL Battery 130 x 65 x 49mm 350g 49mm 130mm +40°C -10°C SP-200 -
N° de stock RS 782-4430
Référence fabricantVIPDLOK138
MarqueMartindale
289,48 €
Each
Unité
3.5mA 50 → 600V ac/dc LED - - Mains 205 x 67 x 27mm 130g 27mm 205mm +55°C -10°C - -
N° de stock RS 865-4756
Référence fabricantRSVIPD150
MarqueMartindale
241,04 €
Each
Unité
3.5mA 700V LED AA - Battery, Mains 205 x 67 x 27mm 130g 27mm 205mm +40°C -10°C - -
N° de stock RS 192-5870
Référence fabricantRSVIPD150
MarqueMartindale
313,00 €
Each
Unité
- 700V LED AA RSCAL Battery, Mains 205 x 67 x 27mm 130g 27mm 205mm +40°C -10°C - -
N° de stock RS 781-8785
Référence fabricantVIPDLOK138
MarqueMartindale
337,48 €
Each
Unité
3.5mA 50 → 600V ac/dc LED - RSCAL Mains 205 x 67 x 27mm 130g 27mm 205mm +55°C -10°C - -
N° de stock RS 193-5337
Référence fabricantMARPD690SX
MarqueMartindale
134,47 €
Each
Unité
200mA 690V ac LED AA - Battery 150 x 80 x 35mm 350g 35mm 150mm +40°C -10°C PD690SX -
N° de stock RS 180-9209
Référence fabricantMTL15PD
173,49 €
Each
Unité
3.5mA 700V ac LCD AA - Battery 84 x 143 x 50mm 400g 50mm 84mm +40°C -10°C - -
N° de stock RS 879-8770
Référence fabricantPRV240
MarqueFluke
219,00 €
Each
Unité
- - - AA RSCAL Battery 117 x 74 x 28mm 200g 28mm 117mm +50°C -10°C PRV240 -
N° de stock RS 375-5337
Référence fabricantP240
MarqueBlack Star
124,00 €
Each
Unité
2mA 240V - - RSCAL Battery - - - - - - 59180-8020 -
N° de stock RS 913-7031
Référence fabricantPD240
MarqueMartindale
131,00 €
Each
Unité
2mA 240V dc - 9V RSCAL Battery 144 x 63 x 31mm 180g 31mm 144mm +40°C -10°C PD240 -
N° de stock RS 719-0894
Référence fabricantRSPD690
MarqueMartindale
121,00 €
Each
Unité
- 700V - AA - Battery 143 x 84 x 50mm 400g 50mm 143mm +40°C -10°C PD690 -
N° de stock RS 188-2931
Référence fabricantTB118KIT1
MarqueMartindale
419,70 €
Each
Unité
3.5mA 600V ac/dc - AA - Battery, Mains 205 x 67 x 27mm 130g 27mm 205mm +40°C -10°C - -
N° de stock RS 735-6091
Référence fabricantPD440
MarqueMartindale
182,00 €
Each
Unité
- 440V - AA RSCAL Battery 143 x 84 x 50mm 400g 50mm 143mm +40°C -10°C PD440 -
N° de stock RS 193-5334
Référence fabricantMARPD440S
MarqueMartindale
107,35 €
Each
Unité
200mA 440V ac LED AA - Battery 150 x 80 x 35mm 350g 35mm 150mm +40°C -10°C PD440S -
N° de stock RS 188-2941
Référence fabricantTB118KIT1
MarqueMartindale
544,70 €
Each
Unité
3.5mA 600V ac/dc - AA RSCAL Battery, Mains 205 x 67 x 27mm 130g 27mm 205mm +40°C -10°C - -
N° de stock RS 881-2775
Référence fabricantPRV240
MarqueFluke
173,00 €
Each
Unité
- - - AA - Battery 117 x 74 x 28mm 200g 28mm 117mm +50°C -10°C PRV240 -
N° de stock RS 897-7135
Référence fabricantRSVT28/PD
MarqueMartindale
227,72 €
Each
Unité
3.5mA 700V LCD AAA - Battery 143 x 84 x 50 (Proving Unit) mm, 205 x 67 x 27 (Indicator) mm - 50mm 143mm +40°C -10°C - -
N° de stock RS 193-5335
Référence fabricantMARPD440SX
MarqueMartindale
129,95 €
Each
Unité
200mA 440V ac LED AA - Battery 150 x 80 x 35mm 350g 35mm 150mm +40°C -10°C PD440SX -