Voltmeters

Voltmeters are instruments that measure the voltage, or potential deviation, between two points in an electrical circuit. Voltmeters are panel mounted devices that can display with either an analogue or digital display. Analogue panel voltmeters have a pointer that moves along a scale proportional to the voltage level. Digital panel voltmeters measure the potential deviation in the same way and display this with a digital readout.

What are voltmeters used for?

Voltmeters can measure voltage levels in generators or fixed machinery. They're commonly used in chemical processing plants where pressure, temperature or fluid-flow readings can be converted into voltage measurements.

Types of Analogue Voltmeters

  • Moving coil voltmeters have either permanent magnets or dynamometers as measuring components with low power consumption benefits.
  • Moving iron voltmeters can measure both AC and DC currents by producing a deflective torque. The torque-to-weight ratio is high which means increased accuracy of readings.
  • Electrostatic voltmeters measure current flow based on attracting, repulsion or symmetry between two electrically charged plates. Their benefits is the high voltage range capacity of 200KV.

Types of Digital Voltmeters

Digital panel voltmeters have a number of different parameters such as supply voltage and meter accuracy. Typical mounting options include 12-pin DIPs and traditional bezel mounts. Digital screen options include a range of red, blue or green LED or LCD display units to suit your needs under different lighting conditions. Housings can be circular, square or rectangular.


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Description Price Current Type Number of Digits Display Type Cutout Height Cutout Width Depth Supply Voltage Digit Height Meter Accuracy Analogue Effect Minimum Temperature Maximum Temperature Meter Type Approvals
RS Stock No. 810-3324
Mfr. Part No.DMR20-1-ACV-R-C
€52.17
Each
units
AC 4 LED - 30.73mm 29.9mm - - ±2 V Digits Only -25°C +60°C Voltmeter -
RS Stock No. 533-4229
Mfr. Part No.ICE914Z-2401 0-5V LED METER
BrandCurtis
€41.91
Each
units
- - LED 24.1mm 36.8mm 29.2mm - - - - - - Battery Meter -
RS Stock No. 163-6559
Mfr. Part No.DMS-EB-RMS-C
€42.59
Each
units
- - - - - - - - - - - - Voltmeter -
RS Stock No. 446-2121
Mfr. Part No.OEM 1B
BrandLascar
€25.94
Each
units
DC 3.5 LCD - - 5.5mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 244-907
Mfr. Part No.F3PAM1801-30V
BrandHOBUT
€13.96
Each
units
DC - - - - 15mm - - ±8 % - -20°C +40°C Voltmeter -
RS Stock No. 221-2845
Mfr. Part No.DMS-20LCD-0-DCM-C
€31.20
Each
units
DC 3.5 LCD 21.29mm 33.93mm 15.8mm - - ±0.01 % Digits Only - - Voltmeter -
RS Stock No. 867-3126
Mfr. Part No.EMV 1025S-00
BrandLascar
€44.38
Each
units
DC 37259 LCD - 5.5mm 5.5mm - 12.5 mm ±0.1 % Digits Only 0°C 50°C Voltmeter -
RS Stock No. 810-3330
Mfr. Part No.DMS-20LCD-1-5-C
€32.34
Each
units
DC 3.5 LCD 21.29mm 33.93mm 17.2mm - - - Digits Only 0°C +60°C Voltmeter -
RS Stock No. 446-2159
Mfr. Part No.DPM 750S-BL
BrandLascar
€38.29
Each
units
DC 3.5 LCD 32mm 62mm 9.5mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 244-890
Mfr. Part No.F3PAM1801-15V
BrandHOBUT
€13.23
Each
units
DC - - - - 15mm - - ±8 % - -20°C +40°C Voltmeter -
RS Stock No. 886-2017
Mfr. Part No.PQ74-V0TL2N1CAW0ST
€25.01
Each
units
DC - - 68mm 68mm 54mm - - - - -10°C 55°C Voltmeter 2004 / 108 / EC (EMC Directive), 2006 / 95 / EC (Low Voltage Directive) and Amendment 93 / 68 / EEC, CE, DIN 40050, DIN 43701, DIN 43718, DIN 43802, DIN 43807, DIN 46200, DIN 46282, DIN EN 60051, DIN IEC 61554, EC 51, EC 529, IEC 1010, IS:1248, IS:9249, U
RS Stock No. 903-3557
Mfr. Part No.DMS-20PC-0-DCM-B-C
€62.82
Each
units
DC 3.5 LED - - - - 9.4 mm ±0.01 % Digits Only -25°C +60°C Voltmeter -
RS Stock No. 419-9334
Mfr. Part No.DPM 2AS-BL
BrandLascar
€35.69
Each
units
DC 3.5 LCD 15mm 33mm 13.6mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 163-8814
Mfr. Part No.PM-2/10V
BrandMonacor
€23.37
Each
units
DC - - - - 23mm - - - - - - Voltmeter -
RS Stock No. 810-3365
Mfr. Part No.DMS-20PC-1-DCM-B-C
€62.82
Each
units
DC 3, 3.5 LED 21.29mm 33.93mm 25.4mm - - ±0.2 V Digits Only -25°C +60°C Voltmeter -
RS Stock No. 348-1238
Mfr. Part No.DPM 340
BrandLascar
€38.94
Each
units
DC 3.5 LED 18mm 38mm 13.6mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 351-7567
Mfr. Part No.EMV 1125
BrandLascar
€38.94
Each
units
DC 3.5 LCD 44mm 21mm 9mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 419-9340
Mfr. Part No.DPM 3AS-BL
BrandLascar
€38.94
Each
units
DC 3.5 LCD 18mm 38mm 13.6mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 903-3582
Mfr. Part No.DMS-20PC-2-LM-C
€59.62
Each
units
AC 3 LED 21.29mm 33.93mm 24.38mm - 9.4 mm ±2 V Digits Only -25°C +60°C Voltmeter cRUus, cUL, IEC, RoHS Compliant, UL
RS Stock No. 176-4171
Mfr. Part No.DMS-20PC-1-LM-C
€59.62
Each
units
AC 3.5 LED 21.29mm 33.93mm 17.45mm - - - Digits Only - - Voltmeter -