Electrical Installation Testers

Electrical installation testers verify the safety of installations in domestic, commercial and industrial settings. The testers ensure that fixed wiring is safe and correctly installed to meet relevant local standards and safety requirements. Multifunction testers are ideal for testing a range of electrical parameters such as voltage, earth resistance, loop impedance and more.Many multifunction testers offer additional features such as Bluetooth, allowing you to store and transfer data from the device to a computer or mobile device.

Uses of electrical installation testers

You can use electrical installation testers for a variety of tests, including:

  • Insulation-continuity tests – diagnose breakdown of the insulation in various parts of the electrical system such as wires, transformers and motors. The quality of insulation is critical in ensuring uninterrupted and safe functioning of electrical circuits.

  • Checking RCD devices – check the proper functioning of residual-current devices (RCDs). RCDs are designed to disconnect quickly to mitigate the harm caused from electric shock and to avoid current leaks that may lead to fire and other dangerous situations.

  • Loop testing – a quick, convenient, and specific method of evaluating an electrical circuit's ability to engage protective devices (circuit breakers, fuses, RCDs). A ground loop determines the effectiveness of protective devices.

  • Resistance measurement of grounding systems – verification tests to ensure that a system's resistance is low enough to provide protection to people, equipment and structures.


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Description Price Calibrated Loop Impedance Test Type Automatic RCD Test RCD Ramp Test Non-Tripping Insulation Test Voltage Maximum Voltage Measurement Test Type Earth Resistance Measurement Downloadable Data Interface Type Continuity Test Current RCD Test Type Remote Switch Mode
RS Stock No. 144-5338
BrandRS PRO
£395.00
Each
Units
- Phase to Earth Yes Yes Yes 1000V 1000V - Yes - Bluetooth 1mA General, Selective -
RS Stock No. 144-5351
BrandRS PRO
£522.00
Each
Units
UKAS Phase to Earth Yes Yes Yes 1000V 1000V - - - Bluetooth 1mA - -
RS Stock No. 144-5350
BrandRS PRO
£479.00
Each
Units
RSCAL Phase to Earth Yes Yes Yes 1000V 1000V - - - Bluetooth 1mA - -
RS Stock No. 177-9342
BrandRS PRO
£499.00
1 Kit
Kit(s)
- Phase to Earth Yes Yes Yes 1000V 1000V - - - Bluetooth 1mA - -
RS Stock No. 113-5137
Mfr. Part No.FLK-1662 UK
BrandFluke
£950.00
Each
Units
UKAS Phase to Earth, Phase to Neutral Yes Yes - 100 V, 250 V, 500 V, 1000 V 500V ac/dc Continuity, Frequency, Insulation Resistance, Loop and Line Resistance, Measure Motor Windings, Phase Sequence Test, Prospective Earth Fault Current, Prospective Short Circuit Current, RCD Test, Resistance, Voltage, Wiring Polarity - Yes - 10mA - Yes
RS Stock No. 113-5128
Mfr. Part No.FLK-1662 UK
BrandFluke
£830.00
Each
Units
- Phase to Earth, Phase to Neutral Yes Yes - 100 V, 250 V, 500 V, 1000 V 500V ac/dc Continuity, Frequency, Insulation Resistance, Loop and Line Resistance, Measure Motor Windings, Phase Sequence Test, Prospective Earth Fault Current, Prospective Short Circuit Current, RCD Test, Resistance, Voltage, Wiring Polarity - Yes - 10mA - Yes
RS Stock No. 113-5136
Mfr. Part No.FLK-1662 UK
BrandFluke
£922.00
Each
Units
RSCAL Phase to Earth, Phase to Neutral Yes Yes - 100 V, 250 V, 500 V, 1000 V 500V ac/dc Continuity, Frequency, Insulation Resistance, Loop and Line Resistance, Measure Motor Windings, Phase Sequence Test, Prospective Earth Fault Current, Prospective Short Circuit Current, RCD Test, Resistance, Voltage, Wiring Polarity - Yes - 10mA - Yes
RS Stock No. 117-6032
Mfr. Part No.1008-122
BrandMegger
£901.00
Each
Units
UKAS 2 Wire, 3 Wire Yes Yes Yes 250 V, 500 V, 1000 V 600V Continuity Yes - Wireless 200mA A, AC, S -
RS Stock No. 117-6031
Mfr. Part No.1008-122
BrandMegger
£873.00
Each
Units
RSCAL 2 Wire, 3 Wire Yes Yes Yes 250 V, 500 V, 1000 V 600V Continuity Yes - Wireless 200mA A, AC, S -
RS Stock No. 117-6026
Mfr. Part No.1008-121
BrandMegger
£781.00
Each
Units
- 2 Wire, 3 Wire Yes Yes Yes 250 V, 500 V, 1000 V 600V Continuity Yes - Wireless 200mA A, AC, S -
RS Stock No. 117-6033
Mfr. Part No.1008-126
BrandMegger
£1,054.50
Each
Units
RSCAL 2 Wire, 3 Wire Yes Yes Yes 100 V, 250 V, 500 V, 1000 V 600V Continuity Yes - Wireless 200mA A, AC, B, S -
RS Stock No. 117-6034
Mfr. Part No.1008-126
BrandMegger
£1,082.50
Each
Units
UKAS 2 Wire, 3 Wire Yes Yes Yes 100 V, 250 V, 500 V, 1000 V 600V Continuity Yes - Wireless 200mA A, AC, B, S -
RS Stock No. 117-6027
Mfr. Part No.1008-123
BrandMegger
£962.50
Each
Units
- 2 Wire, 3 Wire Yes Yes Yes 100 V, 250 V, 500 V, 1000 V 600V Continuity Yes - Wireless 200mA A, AC, B, S -
RS Stock No. 785-2965
Mfr. Part No.KT63
£560.00
Each
Units
UKAS 3 Wire Yes Yes Yes 1000V dc 250V Continuity - - - 200mA AC Type -
RS Stock No. 785-2956
Mfr. Part No.KT63
£535.00
Each
Units
RSCAL 3 Wire Yes Yes Yes 1000V dc 250V Continuity - - - 200mA AC Type -
RS Stock No. 785-7907
Mfr. Part No.KT63
£440.00
Each
Units
- 3 Wire Yes Yes Yes 1000V dc 250V Continuity - - - 200mA AC Type -
RS Stock No. 117-6036
Mfr. Part No.1008-129
BrandMegger
£1,340.00
Each
Units
UKAS 2 Wire, 3 Wire Yes Yes Yes 100 V, 250 V, 500 V, 1000 V 600V Continuity Yes Yes Wireless 200mA A, AC, B, S -
RS Stock No. 117-6035
Mfr. Part No.1008-129
BrandMegger
£1,312.00
Each
Units
RSCAL 2 Wire, 3 Wire Yes Yes Yes 100 V, 250 V, 500 V, 1000 V 600V Continuity Yes Yes Wireless 200mA A, AC, B, S -
RS Stock No. 117-6028
Mfr. Part No.1008-128
BrandMegger
£1,220.00
Each
Units
- 2 Wire, 3 Wire Yes Yes Yes 100 V, 250 V, 500 V, 1000 V 600V Continuity Yes Yes Wireless 200mA A, AC, B, S -
RS Stock No. 794-4774
Mfr. Part No.PROINSTALL-200-EUR
BrandAmprobe
£1,094.00
Each
Units
RSCAL 3 Wire Yes Yes Yes 100 V, 250 V, 500 V, 1000 V 500V ac - Yes Yes Infrared 200mA AC Selective, DC Selective -
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