Socket Testers

A socket tester is a small, hand held device that is plugged into a socket to quickly confirm that an AC wall outlet is working and can provide the power that is needed to power the devise that will be plugged into it.


Socket testers are used to ensure that the wiring is the correct way round. It will detect when there is no earth but will not check if the earth is in good condition if it is there.


The lights on the front of the mains outlet tester will light up in different combinations, this will indicate if there is any type of fault.


There are different types of socket testers:

Simple testers can detect a number of different faults but they cannot indicate or measure effective 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 displaying numerical value of earth loop impedance. They also be 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 general have a mains socket tester in their toolbox to check the safety of the socket and prevent shocks and accidents 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 704-7747
製造零件編號SOK 36
HK$545.81
單位
13A 230V ac Yes Yes - Yes LED - Mains - - - - -
RS庫存編號 719-3001
製造零件編號SOK 32
HK$333.84
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$846.83
單位
16A 400V ac Yes Yes 5 Yes LED - Mains - - - - -
RS庫存編號 467-4964
製造零件編號SOK 40/16
HK$495.04
單位
16A 230V ac Yes - 3 Yes LED - Mains - - - - -
RS庫存編號 704-7738
製造零件編號SOK 34
HK$447.89
單位
13A 230V ac Yes Yes - Yes LED - Mains - - - - -