Non Contact Voltage & Magnetic Field Indicators

Non-contact voltage detectors are a highly reliable and safe way to detect live wires and conductors without coming into contact with them. They can be used in a wide range of environments due to their compact and portable design, making them perfect for working on the go.

Non-contact voltage & magnetic field indicators feature a wide range of features to enhance the user experience, making it easier to identify live currents and magnetic fields. LED lights are often included to indicate when the device is in contact with a live voltage, in some cases this is also accompanied with a beeping noise.

How do they work?

Also known as a voltage detector, voltage tester pens, sensors or test pens. They allow the user to test electrical conductors without touching them. Non-contact testers are the safest and easiest way to detect electric fields or voltage. Voltage testers utilise what is called capacitive coupling, the user holding the instrument provides a ground reference. The tester then detects changing electric field around the object or objects conducting an AC current (Alternating current). Simply put, the user and the tester pen when near the electrical conductor will cause a small current to flow through the tester from the source, this is how it detects AC voltage.

At RS, we offer a wide range of reliable non-contact voltage testers suitable for DIY enthusiasts at home to electrical engineers. The user-friendly devices ensure quick and efficient testing of voltage in a range of applications and can be used by anyone from a homeowner carrying out renovations to an electrical engineer.


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Beskrivning Pris Indicator Type Magnetic Sensitivity Battery Type Calibrated Audible Tone ATEX Approval Power Source Safety Category Dimensions Weight Diameter Height Length Maximum Detection Voltage
RS-artikelnummer 375-5422
VarumärkeRS PRO
382,77 kr
Each
Enheter
Magnetic Field 0.3mT AAA - - - Battery CAT III 1000 V - 40g 17mm - 152mm 1000V ac
RS-artikelnummer 214-467
VarumärkeRS PRO
270,19 kr
Each
Enheter
Voltage - AAA - - - Battery - - - - - - 400V ac
RS-artikelnummer 166-838
VarumärkeRS PRO
370,28 kr
Each
Enheter
Voltage - AAA - - - Battery CAT III 1000 V - 40g 18mm - 146mm 1000V ac
RS-artikelnummer 136-5674
VarumärkeRS PRO
265,23 kr
Each
Enheter
Magnetic Field - - - - - - CAT II 1000 V, CAT III 600 V, CAT IV 300 V - - - - - 1000V
RS-artikelnummer 136-5675
VarumärkeRS PRO
375,59 kr
Each
Enheter
Voltage - AAA - - - Battery CAT IV 1000 V - - - - - 1000V ac
RS-artikelnummer 178-1216
VarumärkeRS PRO
463,99 kr
Each
Enheter
Voltage - AAA - Yes Yes Battery CATIV 1000 V - 55g - 160mm 25mm 1000V ac
RS-artikelnummer 123-3287
VarumärkeRS PRO
583,77 kr
Each
Enheter
Voltage - AAA RSCAL - - Battery CAT IV 1000 V - 40g - 18mm 152mm 1000V ac
RS-artikelnummer 141-1995
VarumärkeRS PRO
602,96 kr
Each
Enheter
Voltage - AAA - - Yes Battery CAT III 1000 V ac - 50g 18mm - 151mm 1000V ac
RS-artikelnummer 136-5749
VarumärkeRS PRO
901,59 kr
Each
Enheter
Voltage - AAA RSCAL - - Battery CAT IV 1000 V - - - - - 1000V ac
RS-artikelnummer 136-5746
VarumärkeRS PRO
755,69 kr
Each
Enheter
Voltage - AAA RSCAL Yes - Battery CAT III 1000 V - - - - - 1000V ac
RS-artikelnummer 123-3247
VarumärkeRS PRO
153,77 kr
Each
Enheter
Voltage - AAA - - - Battery CAT III 1000 V / CAT IV 600 V, CAT IV, CAT lll - 40g - 18mm 152mm 1000V ac
RS-artikelnummer 167-645
VarumärkeRS PRO
319,75 kr
Each
Enheter
Voltage - AAA - Yes - Battery CAT III 1000 V - 40g 17mm - 146mm 1000V ac
RS-artikelnummer 238-3571
VarumärkeRS PRO
264,57 kr
Each
Enheter
Voltage - AAA - - - Battery - - - - - - -
RS-artikelnummer 141-1997
VarumärkeRS PRO
1 032,96 kr
Each
Enheter
Voltage - AAA RSCAL - Yes Battery CAT III 1000 V ac - 50g 18mm - 151mm 1000V ac
RS-artikelnummer 161-1627
VarumärkeRS PRO
83,50 kr
Each
Enheter
Voltage - AAA - - - Battery CAT III 1000 V, CAT IV 600 V - 34g - 158mm 25mm 1000V ac
RS-artikelnummer 141-1996
VarumärkeRS PRO
602,96 kr
Each
Enheter
Magnetic Field 0.3mT AAA - - Yes Battery - - 40g - - - -
RS-artikelnummer 136-5672
VarumärkeRS PRO
229,69 kr
Each
Enheter
Voltage - AAA - Yes - Battery CAT III 1000 V - - - - - 1000V ac
RS-artikelnummer 732-4732
Tillv. art.nrTKED 1
VarumärkeSKF
6 574,46 kr
Each
Enheter
Voltage - AAA - - - - - - 104g - 60mm 250mm -
RS-artikelnummer 716-1064
Tillv. art.nrRSTEK200
VarumärkeMartindale
1 055,32 kr
Each
Enheter
Magnetic Field, Voltage ±10mT 9V RSCAL Yes - Battery CAT III 1000 V, CAT IV 600 V - 150g - 202mm 32mm 600V ac
RS-artikelnummer 719-0876
Tillv. art.nrRSTEK200
VarumärkeMartindale
636,32 kr
Each
Enheter
Magnetic Field, Voltage ±10mT 9V - Yes - Battery CAT III 1000 V, CAT IV 600 V - 150g - 202mm 32mm 600V ac