Socket Testers

A socket tester is a small, handheld device that is plugged into a socket to quickly confirm if an AC wall socket is working. Testers also identify if the socket is producing the power rating expected from a socket.

Socket testers are used to ensure that the wiring is the correct and can detect if there is no earth, however, cannot check if the earth is in good condition if it is there.

The simple interface features lights on the front of the tester that will light up in different combinations, this will indicate if there is a fault and show the user exactly what the fault is.

Different types of socket testers:

Simple testers can detect a number of different faults but they cannot indicate or measure the earth fault loop impedance. They are normally the same size as a 13A plug.

Advanced testers have the same normal functions that a simple tester has including reversed line and earth, or reversed line and neutral. They display the range of numerical values that the earth fault loop impedance falls.

Professional testers have the same normal functions that a simple tester has, including the numerical value of earth loop impedance reading. They also are used to measure the values of earth loop impedance to certify or report on the installation that has been carried out.

Who would use a socket tester?

Electricians, maintenance personnel, DIY enthusiasts, handymen and equipment installers would generally have a mains socket tester in their toolbox to check the safety of the socket and prevent shocks and accidents from occurring.


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Description Price Current Rating Voltage Audible Alarm Earth Loop Impedance Test Number of Pins Wiring Check Display Type Safety Category Power Source Dimensions Weight Height Length Maximum Operating Temperature
RS庫存編號 719-0885
製造零件編號RSCP501
BrandMartindale
HK$225.54
單位
13A 200 → 250V ac - - 3 Yes LED CAT II 300 V Mains 65 x 65 x 47mm - 47mm 65mm +40°C
RS庫存編號 719-0891
製造零件編號RSBZ101
BrandMartindale
HK$253.68
單位
13A 230V ac Yes - 3 Yes LED CAT IV 300 V Mains 65 x 65 x 47mm - 47mm 65mm +40°C
RS庫存編號 704-7747
製造零件編號SOK 36
HK$604.03
單位
13A 230V ac Yes Yes - Yes LED - Mains - - - - -
RS庫存編號 253-541
製造零件編號RSCP301
BrandMartindale
HK$581.51
單位
30mA 110V ac - - 3 Yes LED CAT II 150 V Mains - 180g - - -
RS庫存編號 719-3001
製造零件編號SOK 32
HK$358.48
單位
13A 230V ac Yes - 3 Yes LED - Mains - - - - +40°C
RS庫存編號 467-5002
製造零件編號SOK 65/16HD
HK$1,069.49
單位
16A 400V ac Yes Yes 5 Yes LED - Mains - - - - -
RS庫存編號 719-0905
製造零件編號RSEZ650
BrandMartindale
HK$1,393.20
單位
13A 230V ac - Yes 3 Yes LED CAT II 300 V Mains 315 x 260 x 85mm 1kg 85mm 315mm +40°C
RS庫存編號 776-2014
製造零件編號MARPC105/32
BrandMartindale
HK$1,126.67
單位
32A - - Yes 5 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm -
RS庫存編號 253-535
製造零件編號RSCP201
BrandMartindale
HK$545.18
單位
16A 230V ac - - 3 Yes LED CAT III 300 V Mains 65 x 65 x 47mm 195g - - -
RS庫存編號 467-4964
製造零件編號SOK 40/16
HK$719.01
單位
16A 230V ac Yes - 3 Yes LED - Mains - - - - -
RS庫存編號 776-2001
製造零件編號MARPC104/63
BrandMartindale
HK$1,748.34
單位
63A - - Yes 4 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm -
RS庫存編號 776-2005
製造零件編號MARPC105/16
BrandMartindale
HK$1,066.10
單位
16A - - Yes 5 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm -
RS庫存編號 180-9212
製造零件編號EZ165
BrandMartindale
HK$610.34
單位
13A 230V ac - Yes - - - CAT II 300 V Mains 80 x 45 x 65mm 95g 65mm 80mm +40°C
RS庫存編號 776-2008
製造零件編號MARPC104/32
BrandMartindale
HK$1,066.11
單位
32A - - Yes 4 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm -
RS庫存編號 704-7738
製造零件編號SOK 34
HK$509.06
單位
13A 230V ac Yes Yes - Yes LED - Mains - - - - -
RS庫存編號 776-2017
製造零件編號MARPC105/63
BrandMartindale
HK$1,805.10
單位
63A - - Yes 5 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm -
RS庫存編號 180-9211
製造零件編號CP301/32
BrandMartindale
HK$702.66
單位
16/32A 110V ac - - 3 - - CAT II 150 V Mains 65 x 47 x 65mm 195g 65mm 65mm +40°C
RS庫存編號 471-3277
製造零件編號P01101997Z
HK$163.29
單位
- 230V ac No - 3 Yes LED CAT II 230 V Battery 95 x 50 x 38mm 60g 38mm 95mm +55°C
RS庫存編號 776-1995
製造零件編號MARPC104/16
BrandMartindale
HK$1,005.52
單位
16A - - Yes 4 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm -
RS庫存編號 180-9210
製造零件編號CP201/32
BrandMartindale
HK$678.42
單位
16/32A 230V ac - - 3 - - CAT III 300 V Mains 65 x 47 x 65mm 195g 65mm 65mm +40°C