Current detector

Current or voltage detectors are employed to measure or test current strength of electronic components or to localize electrical lines. Devices with similar or same functions like phase testers, voltage detectors, continuity testers or multimeter check, whether electrical power is applied to a line or a cable break occurred. Furthermore, they can check the amount of voltage power of a certain line or which one is the live braid.  

Topangebot Continuity tester | testing cable and alligator clip | 2x AA 13.99
 
available
Topangebot Test probe PS25 McPOWER | red/black |  CAT III 1.000V/10A 3.49
 
available
Topangebot Voltage test McPower, 0-380V 8.79
 
available
Topangebot Car trailer tester 12/24V | 7/13-pin, lighting tester 16.69
 
available
Clamping probe PS45 | red/black | Category CAT III 1.000V/5A from 6.59
 
available
Topangebot Test lead set M1300-iso 90cm | with insulated plugs 2.99
 
available
Topangebot Measuring Cable Set Premium, 100cm | with safety plug 6.99
 
available
1-phase electricity meter, energy meter | DIN rail TH-35 from 21.49
 
available
Voltage tester for 230V, 2-pack 1.29
 
available
Digital line finder | detection depth max. 50mm 19.99
 
available
Digital voltage tester | LC display | 12-250V AC/DC 2.69
 
available
Voltage tester PeakTech 1030 with LED light 23.49
 
available
Set of measuring leads, croco/bananas, red/black 2.99
 
available
digital line finder with lighting | for metal, electricity, 25.69
 
available
Digital multimeter CTM-23 eco incl. test cable | CATII 250V 12.39
 
available
Neuheit Test cable set “WTN-Premium”, 1000V, CAT III, 20A, length 1m 4.79
 
available
Digital Multimeter M-330D | acoustic continuity tester 13.49
 
available
Voltage tester 200 250V, 100mm 2.69
 
available
Phase tester 110-250V / 60mm blade 2.59
 
available
1 pair of test probes red/black, with hooks from 1.99
 
available
Digital Multimeter M-330T | also for temperature measurement 21.79
 
available
Black test probe, return spring hook 2.79
 
available
Red test probe, return spring for hooks 2.79
 
available

The Alpha and Omega:  the CAT-measurement categories

Before using current or voltage testers its CAT-measurement categorie should necessarily be heeded. According to IEC-61010, these categories divide the power supply system into four different overvoltage categories, CAT I up to CAT IV, and into three voltage levels 300V, 600V and 1000V. For example, batteries and battery operated devices belong to the lowest categorie CATI. Devices working close to the power source like electricity meters or the electric main connection belong to the highest category CATIV. 
The voltage classification’s principle is the following: The higher the voltage range is within one category, the higher its resilience resp. attenuation capability to voltage peaks like a lightning. The current tester’s proper measurement category is crucial in order to prevent accidents, that could occur, if multimeter are used for voltages that are too high. 
If a suitable testing device for the greatest possible application has been found, obviously all applied lines and cables shall necessarily meet the categories as well – otherwise even the best current tester is needless.

* all prices including VAT and excluding shipping cost; minimum order 10 euros
** Valid for deliveries for standard shipping within Germany. Delivery times for other countries and information on the calculation of delivery, see here.
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