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Voltage indicators

Products: 42
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USB multimeter KWS-V21 Charger Detector

Small size USB meter designed for testing USB 2.0 sockets . Very easy to use. It is equipped with a clear LCD screen, which displays voltage, current, capacity and...
4.7 (15)
Index: DNG-17513
Index: DNG-17513
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Regular price €7.90 Price €7.90

Charger Doctor - current and voltage meter USB

The device measures current and voltage from the USB slot of the computer or power supply / charger. It has a male plug type A and female socket to connect any device -...
5.0 (9)
Index: ZAS-04087
Index: ZAS-04087
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Regular price €2.90 Price €2.90

USB tester Keweisi KWS-1802C current and voltage meter from USB C port - black

A USB meter designed for testing USB type C sockets . It is equipped with a clear LCD screen, which displays voltage, current, capacity, operating time, internal temperature...
5.0 (10)
Index: DNG-17511
Index: DNG-17511
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Regular price €11.50 Price €11.50

Battery charge level and sound level indicator - KA2284

The module is based on the KA2284 system. It is used to measure the input signal with the 5 LEDs, which are gradually included depending on the value of the measured voltage....
3.5 (3)
Index: MOD-07150
Index: MOD-07150
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Regular price €2.90 Price €2.90

AC/DC voltage tester 12V - 250V

AC / DC voltage tester in the form of a screwdriver, which measures in the range from 12 V to 230 V. The measured value is displayed on the LCD display.
5.0 (3)
Index: UPM-03518
Index: UPM-03518
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Regular price €1.90 Price €1.90

Analog voltmeter - panel DH-50 - 15V DC

Analog voltmeter capable of measuring voltage range up to 15 V. It has a square case in size 51 x 51 mm). Its accuracy CLASS is 2.5.
5.0 (14)
Index: PRO-10215
Index: PRO-10215
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Regular price €3.90 Price €3.90

USB Power Detector

The device measures current and voltage from the USB slot of the computer or power supply/ charger. It has a male plug, type A and two female sockets for connecting to any...
5.0 (7)
Index: ZAS-04112
Index: ZAS-04112
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Regular price €6.90 Price €6.90

USB tester Keweisi KWS-1802C current and voltage meter from USB C port - white

USB meter in white, designed for testing USB type C sockets . It is equipped with a small but clear LCD screen , which displays voltage, current, capacity, operating time,...
5.0 (2)
Index: DNG-17512
Index: DNG-17512
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Regular price €12.50 Price €12.50

USB sockets tester UNI-T UT658 Dual

The UNI-T UT658 Dual USB socket tester allows you to test USB chargers , portable power supplies, USB type A and C cables and other charging devices. UT658 allows you to...
4.8 (6)
Index: LEC-17180
Index: LEC-17180
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Regular price €16.00 Price €16.00

Analog ammeter - panel BP-65 - 10A

Analog ammeter capable of measuring current up to 10 A . It has a round housing with 82 mm diameter. Its accuracy is CLASS 2,5.
4.7 (7)
Index: PRO-10213
Index: PRO-10213
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Regular price €4.50 Price €4.50

Voltmeter KWS-AC300 with split-core current transfer - 50-30V/100A

The KWS-AC300 is a closed-core AC transformer that allows you to measure current parameters. A small LCD display shows data indicating voltage and current, temperature,...
4.8 (3)
Index: DNG-17859
Index: DNG-17859
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Regular price €21.50 Price €21.50

Meter tester UNI-T UT15C

Multifunctional and durable voltage tester  12-690 V AC/DC. It has  in particular : automatic range selection, conductivity test, LCD display and backlight.
4.9 (16)
Index: UPM-01271
Index: UPM-01271
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Regular price €31.90 Price €31.90

Analog ammeter - 15A

Analog ammeter capable of measuring current in the range up to 15 A. It has a square case in size 47 x 47 mm.
5.0 (8)
Index: PRO-10202
Index: PRO-10202
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Regular price €3.50 Price €3.50

Analog voltmeter - panel 91C16 mini - 15V DC

Analogue voltmeter capable of measuring voltages up to 15 V . It has a square housing with dimensions of 40 x 40 mm. Its accuracy is CLASS 1.5.
5.0 (2)
Index: PRO-10216
Index: PRO-10216
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Regular price €1.90 Price €1.90

Non-contact voltage tester Uni-T UT12D-EU

A device that allows you to safely detect voltage. These types of indicators are commonly used in work related to repair or maintenance of cables, sockets and other electrical...
5.0 (4)
Index: LEC-19081
Index: LEC-19081
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Regular price €8.50 Price €8.50

Analog ammeter - panel DH-80 - 100A

Analog ammeter capable of measuring current in the range up to 100 A. It has a square case in size 80 x 80 mm. The accuracy CLASS 1.5.
5.0 (5)
Index: PRO-10204
Index: PRO-10204
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Regular price €4.50 Price €4.50

Analog ammeter - panel DH-50 - 10A

Analog ammeter capable of measuring current in range up to 10 A. It has a square case in size 50 x 50 mm. The accuracy CLASS 2.5.
5.0 (16)
Index: UPM-09921
Index: UPM-09921
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Regular price €3.90 Price €3.90

Analog ammeter - panel 91C16 mini - 1A

Analog ammeter capable of measuring current in the range up to 1 A. It has a square case in size 40 x 40 mm. The accuracy CLASS 1.5.
4.8 (3)
Index: PRO-10205
Index: PRO-10205
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Regular price €1.90 Price €1.90

Analog ammeter - panel BP-65 - 5A

Analog ammeter capable of measuring current range to 5 A. It has a round case with a diameter of 82 mm. The accuracy CLASS 2.5.
4.8 (5)
Index: PRO-10212
Index: PRO-10212
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Regular price €4.50 Price €4.50

Analog ammeter - panel BP-65 - 30A

Analog ammeter capable of measuring current up to 30 A . It has a round housing with 82 mm diameter. Its accuracy is CLASS 2,5.
4.9 (11)
Index: PRO-10214
Index: PRO-10214
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Regular price €4.50 Price €4.50

Voltage Detector Fazer 777 230V

Single-pole indicator for non-contact detection of AC voltage in installations from 220 V to 380 V.
4.0 (1)
Index: GTK-14790
Index: GTK-14790
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Regular price €9.90 Price €9.90

Analog voltmeter - panel DH-72 - 300V AC

An analog voltmeter capable of measuring AC voltage up to 300 V. It has a square case in size 72 x 72 mm. The accuracy CLASS 2.
5.0 (1)
Index: UPM-09924
Index: UPM-09924
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Regular price €6.90 Price €6.90

Analog ammeter - panel 91C16 mini - 5A

Analog ammeter capable of measuring current range to 5 A. It has a square case in size 40 x 40 mm. The accuracy CLASS 1.5.
5.0 (3)
Index: PRO-10208
Index: PRO-10208
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Regular price €1.90 Price €1.90

Analog ammeter - panel 91C16 mini - 10A

Analog ammeter capable of measuring current in the range up to 10 A. It has a square case in size 40 x 40 mm. The accuracy CLASS 1.5.
Index: PRO-10209
Index: PRO-10209
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Regular price €1.90 Price €1.90

Voltmeters - the charm of old devices

Analog voltmeter, or indicator voltage meter, is the longest type of voltage indicator on the market. In the past, each voltage indicator, from a simple amp meter in amplifiers and cassette recorders, to the high class laboratory equipment, was equipped with the so-called measuring "circuit". The principle of operation of such an element is very simple: the flow of current through a light, delicate coil connected to the pointer, causes it to rotate in relation to a permanent magnet. The angle of deflection depends on the current intensity, which in turn - with a specified coil resistance - is proportional to the voltage at its terminals. Thus, it can be seen that the same measuring instrument, depending on the additional resistors connected (or not), can serve as both an ammeter and a voltmeter.

Modern applications of analog indicators

Today, despite the widespread availability of digital devices and their low price, pointer voltmeters and ammeters are still readily used. As an example, let's take old-style devices - audio tube amplifiers are the best proof of the continued popularity of traditional indicators. Also simple power supplies, including laboratory power supplies, are often equipped not with a typical LED display, but just an analog voltage indicator. Inexpensive everyday electrical devices, such as car chargers, also often use indicator meters.

Voltage indicators, or can you "see through walls"?

Yes, of course, if we mean the detection of hidden wires or metal parts in walls. For this purpose, voltage detectors are used, which are able to detect, from a short distance, electric cables through which current flows or magnetic field disturbances caused by metal objects (e.g. rebar). For installers and do-it-yourselfers, a "pen" voltage indicator will also be a great help, which will easily identify the phase wire in an electrical installation.