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 12.69 *
available
Topangebot
12.69 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Topangebot Set of measuring leads, croco/bananas, red/black 1.99 *
available
Topangebot
1.99 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Clamping probe PS45 | red/black | Category CAT III 1.000V/5A 5.79 *
available
5.79 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Test probe PS25 McPOWER | red/black |  CAT III 1.000V/10A from 3.19 *
available
from 3.19 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Topangebot Voltage tester for 230V, 2-pack 2.49 *
available
Topangebot
2.49 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Topangebot Digital voltage tester LCD 12-220V 2.59 *
available
Topangebot
2.59 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Topangebot Digital multimeter CTM-23 eco incl. test cable | CATII 250V 10.79 *
available
Topangebot
10.79 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Voltage tester in pin shape 90-1000V, signal tone 12.19 *
available
12.19 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Topangebot Measuring Cable Set Premium, 130cm | with safety plug 5.49 *
available
Topangebot
5.49 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Test lead set M1300-iso 90cm | with insulated plugs 1.79 *
available
1.79 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Digital Multimeter M-330D | acoustic continuity tester 10.69 *
available
10.69 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Digital Multimeter CTM-25 AutoRange IP67 CAT III 13.29 *
unfortunately sold out
13.29 *
incl. VAT excl. shipping cost
letter standard delivery
unfortunately sold out
shipping 1 to 4 days**
delivery inquiry
Voltage test McPower, 0-380V 6.99 *
available
6.99 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Voltage tester 200 250V, 100mm 1.69 *
available
1.69 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Phase tester 110-250V / 60mm blade 1.49 *
available
1.49 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Measuring instrument test lead set, 6-piece 9.89 *
available
9.89 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Voltage tester PeakTech 1030 with LED light 20.79 *
limited stock
20.79 *
incl. VAT excl. shipping cost
letter standard delivery
limited stock
shipping 1 to 4 days**
Digital multimeter CTM-43 BIG | hold function | CAT III 600V 21.19 *
available
21.19 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Digital multimeter Check-102 with signal generator 19.69 *
available
19.69 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
1 pair of test probes red/black, with hooks from 1.99 *
available
Ab Menge unit price
1 3.19 *
5 1.99 *
from 1.99 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Digital Multimeter M-330T | also for temperature measurement 15.99 *
available
15.99 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Digital Multimeter MYT-888 | including frequency measurement 23.89 *
unfortunately sold out
23.89 *
incl. VAT excl. shipping cost
letter standard delivery
unfortunately sold out
shipping 1 to 4 days**
delivery inquiry
Digital Multimeter M-730L | Lighting, DataHold function 18.79 *
available
18.79 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Black test probe, return spring hook 1.89 *
available
1.89 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Red test probe, return spring for hooks 1.89 *
available
1.89 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Digital Clamp Multimeter Check-302, Forceps 29.39 *
available
29.39 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**
Digital Multimeter Check-202 | Multiple Meter 27.59 *
limited stock
27.59 *
incl. VAT excl. shipping cost
letter standard delivery
limited stock
shipping 1 to 4 days**
Spiral measuring lead, 40-200cm | with 4mm safety plug 5.59 *
available
5.59 *
incl. VAT excl. shipping cost
letter standard delivery
available
shipping 1 to 4 days**

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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