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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Viewing 1 - 20 of 29 products
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Description Price Indicator Type Magnetic Sensitivity Battery Type Audible Tone ATEX Approval Power Source Safety Category Dimensions Weight Diameter Height Length Maximum Detection Voltage Maximum Operating Temperature
RS Stock No. 166-838
BrandRS PRO
MYR127.74
Each
units
Voltage - AAA - - Battery CAT III 1000 V 18 (Dia.) x 146mm 40g 18mm - 146mm 1000V ac +50°C
RS Stock No. 528-9703
Mfr. Part No.FLUKE 1AC-II
BrandFluke
MYR200.00
Each
units
Voltage - AAA Yes - Battery CAT IV 1000 V - 50g - 25mm 148mm 1000V +50°C
RS Stock No. 741-4355
Mfr. Part No.FLK2AC/90-1000V
BrandFluke
MYR200.00
Each
units
Voltage - AAA - - Battery CAT IV 1000 V - 45.4g - - - 1000V ac +50°C
RS Stock No. 850-7688
Mfr. Part No.FLUKE 1AC-E-5PK
BrandFluke
MYR791.80
Each
units
Double Flash Visible Indication - AAA - - Battery CAT IV 1000 V - - - - - - +50°C
RS Stock No. 167-645
BrandRS PRO
MYR166.84
Each
units
Voltage - AAA Yes - Battery CAT III 1000 V 17 (Dia.) x 146mm 40g 17mm - 146mm 1000V ac +50°C
RS Stock No. 740-6698
Mfr. Part No.Fluke 2AC/200-1000VC
BrandFluke
MYR180.83
Each
units
Voltage - AAA - - Battery CAT III 600 V - - - 148mm - 1000V ac +50°C
RS Stock No. 375-5422
BrandRS PRO
MYR170.72
Each
units
Magnetic Field 0.3mT AAA - - Battery CAT III 1000 V 17 (Dia.) x 152mm 40g 17mm - 152mm 1000V ac +50°C
RS Stock No. 873-2364
Mfr. Part No.LVD1A
BrandFluke
MYR275.00
Each
units
- - AAA - - Battery - - - - - - - +50°C
RS Stock No. 123-3247
BrandRS PRO
MYR68.99
Each
units
Non Contact Voltage - AAA - - Battery CAT III 1000 V / CAT IV 600 V, CAT IV, CAT lll 152 x 22 x 18mm 40 (with Battery)g - 18mm 152mm 1000V ac +40°C
RS Stock No. 741-4346
Mfr. Part No.FLK2AC/200-1000VCL
BrandFluke
MYR200.00
Each
units
Voltage - AAA - - Battery CAT IV 1000 V - - - 148mm - 1000V ac +50°C
RS Stock No. 732-4732
Mfr. Part No.TKED 1
BrandSKF
MYR2,835.95
Each
units
- - AAA - - - - 250 x 210 x 60mm 104g - 60mm 250mm - -
RS Stock No. 905-5863
Mfr. Part No.0590 7450
BrandTesto
MYR159.36
Each
units
- - - - - Battery CAT 3 1000 V, CAT 4 600 V 155 x 25 x 33mm 63g - 23mm 155mm 1000V ac +50°C
RS Stock No. 847-7739
Mfr. Part No.2824434
BrandGedore
MYR225.98
Each
units
- - - - - - - - - - - - - -
RS Stock No. 719-0888
Mfr. Part No.TEK100
BrandMartindale
MYR262.82
Each
units
Voltage - 9V Yes - Battery CAT III 1000 V, CAT IV 600 V 32 x 22 x 202mm 140g - 202mm 32mm 600V ac +50°C
RS Stock No. 740-1472
Mfr. Part No.VT3
BrandMartindale
MYR172.30
Each
units
Magnetic Field, Voltage ±10mT AAA - - Battery CAT III 1000 V 19 (Dia.) x 170mm 73.6g 19mm - 170mm 1000V ac -
RS Stock No. 897-7144
Mfr. Part No.MARTEK101
BrandMartindale
MYR243.26
Each
units
Voltage - 9V Alkaline Yes No Battery CAT IV 1000 V 202 x 36 x 25mm 120g - 25mm 202mm 600V ac +40°C
RS Stock No. 821-2096
Mfr. Part No.KEWSTICK DUO
MYR104.76
Each
units
Voltage - - - - Battery - - - - - - 600V -
New
RS Stock No. 186-5507
Mfr. Part No.NCV-1040-EUR
MYR224.00
Each
units
Non Contact Voltage >2.5mT AAA Yes - Battery CAT IV 1000 V 156.2 x 23.5 x 27.5mm 62g - 27.5mm 156.2mm 230V ac +40°C
RS Stock No. 719-0876
Mfr. Part No.RSTEK200
BrandMartindale
MYR294.50
Each
units
Magnetic Field, Voltage ±10mT 9V Yes - Battery CAT III 1000 V, CAT IV 600 V 32 x 22 x 202mm 150g - 202mm 32mm 600V ac +50°C
New
RS Stock No. 185-3516
Mfr. Part No.VP42
BrandFLIR
MYR160.00
Each
units
- - AAA - - Battery, Mains CAT IV 1000 V 29 x 26 x 156mm 60g - 156mm 29mm 1000V ac +60°C
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