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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Description Price Indicator Type Magnetic Sensitivity Battery Type Audible Tone ATEX Approval Power Source Safety Category Weight Diameter Height Length Maximum Detection Voltage Maximum Operating Temperature Minimum Detection Voltage
RS Stock No. 375-5422
BrandRS PRO
SGD46.49
Each
units
Magnetic Field 0.3mT AAA - - Battery CAT III 1000 V 40g 17mm - 152mm 1000V ac +50°C -
RS Stock No. 166-838
BrandRS PRO
SGD60.20
Each
units
Voltage - AAA - - Battery CAT III 1000 V 40g 18mm - 146mm 1000V ac +50°C 230V ac
RS Stock No. 214-467
BrandRS PRO
SGD26.06
Each
units
Voltage - AAA - - Battery - - - - - 400V ac +50°C -
RS Stock No. 167-645
BrandRS PRO
SGD42.22
Each
units
Voltage - AAA Yes - Battery CAT III 1000 V 40g 17mm - 146mm 1000V ac +50°C 230V ac
RS Stock No. 123-3247
BrandRS PRO
SGD25.20
Each
units
Voltage - AAA - - Battery CAT III 1000 V / CAT IV 600 V, CAT IV, CAT lll 40g - 18mm 152mm 1000V ac +40°C 100V ac
RS Stock No. 238-3571
BrandRS PRO
SGD35.39
Each
units
Voltage - AAA - - Battery - - - - - - +50°C -
RS Stock No. 141-1995
BrandRS PRO
SGD83.80
Each
units
Voltage - AAA - Yes Battery CAT III 1000 V ac 50g 18mm - 151mm 1000V ac +40°C 230V ac
RS Stock No. 136-5675
BrandRS PRO
SGD49.93
Each
units
Voltage - AAA - - Battery CAT IV 1000 V - - - - 1000V ac +50°C 50V ac
RS Stock No. 178-1216
BrandRS PRO
SGD61.73
Each
units
Voltage - AAA Yes Yes Battery CATIV 1000 V 55g - 160mm 25mm 1000V ac - 50V ac
RS Stock No. 161-1627
BrandRS PRO
SGD12.47
Each
units
Voltage - AAA - - Battery CAT III 1000 V, CAT IV 600 V 34g - 158mm 25mm 1000V ac +50°C -
RS Stock No. 141-1996
BrandRS PRO
SGD83.80
Each
units
Magnetic Field 0.3mT AAA - Yes Battery - 40g - - - - +40°C -
RS Stock No. 136-5674
BrandRS PRO
SGD37.85
Each
units
Magnetic Field - - - - - CAT II 1000 V, CAT III 600 V, CAT IV 300 V - - - - 1000V +50°C 600V
RS Stock No. 136-5672
BrandRS PRO
SGD26.91
Each
units
Voltage - AAA Yes - Battery CAT III 1000 V - - - - 1000V ac - 200V ac
RS Stock No. 741-4355
Mfr. Part No.FLK2AC/90-1000V
BrandFluke
SGD57.00
Each
units
Voltage - AAA - - Battery CAT IV 1000 V 45.4g - - - 1000V ac +50°C 90V ac
RS Stock No. 528-9703
Mfr. Part No.FLUKE 1AC-II
BrandFluke
SGD61.60
Each
units
Voltage - AAA Yes - Battery CAT IV 1000 V 50g - 25mm 148mm 1000V +50°C 200V
RS Stock No. 719-0876
Mfr. Part No.RSTEK200
BrandMartindale
SGD105.12
Each
units
Magnetic Field, Voltage ±10mT 9V Yes - Battery CAT III 1000 V, CAT IV 600 V 150g - 202mm 32mm 600V ac +50°C 100V ac
RS Stock No. 850-7688
Mfr. Part No.FLUKE 1AC-E-5PK
BrandFluke
SGD213.46
Each
units
Voltage - AAA - - Battery CAT IV 1000 V - - - - - +50°C -
RS Stock No. 905-5863
Mfr. Part No.0590 7450
BrandTesto
SGD48.75
Each
units
Voltage - AAA - - Battery CAT 3 1000 V, CAT 4 600 V 63g - 23mm 155mm 1000V ac +50°C 12V ac
RS Stock No. 873-2364
Mfr. Part No.LVD1A
BrandFluke
SGD77.00
Each
units
Voltage - AAA - - Battery - - - - - - +50°C -
RS Stock No. 740-6698
Mfr. Part No.Fluke 2AC/200-1000VC
BrandFluke
SGD50.85
Each
units
Voltage - AAA - - Battery CAT III 600 V - - 148mm - 1000V ac +50°C 200V ac