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. 315-9458
Mfr. Part No.PD721MCS30V/2-001
BrandHOBUT
€58.53
Each
units
DC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 815-8306
Mfr. Part No.APM-VOLT-ANO
BrandTrumeter
€68.23
Each
units
AC, DC 4 LCD 68mm 68mm 53mm 12 → 24 V ac/dc - 1 % Simulated Analogue Display -10°C +60°C Voltmeter -
RS Stock No. 313-570
Mfr. Part No.D721MCS75MV/4-001 NO DIAL
BrandHOBUT
€46.53
Each
units
DC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 420-0557
Mfr. Part No.V 1
BrandLascar
€153.34
1 Pack of 10
Pack(s)
DC 3.5 LCD 15mm 34mm - - - ±3 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 903-3551
Mfr. Part No.DMS-20PC-3-RS-C
€44.72
Each
units
DC 3.5 LED 21.29mm 33.93mm 11.05mm - 9.4 mm ±3 % Digits Only 0°C 60°C Voltmeter RoHS Compliant
RS Stock No. 420-0563
Mfr. Part No.V 600
BrandLascar
€179.34
1 Pack of 10
Pack(s)
DC 3.5 LCD 32mm 62mm - - - ±3 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 313-643
Mfr. Part No.D721MCS10V/2-001
BrandHOBUT
€48.49
Each
units
DC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 653-7687
Mfr. Part No.CUB5VR00
BrandRed Lion
€163.81
Each
units
DC 5 LCD 33mm 68mm 43.4mm - - ±0.1 % Digits Only -35°C +75°C Voltmeter -
RS Stock No. 392-8642
Mfr. Part No.9600600000B
€33.09
Each
units
DC - - 92mm 92mm 53mm - - Class 1.5 - - +23°C Voltmeter -
RS Stock No. 886-1862
Mfr. Part No.EQ44-V70X2N1CAW0ST
€16.65
Each
units
AC - - 45mm 45mm 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. 201-925
Mfr. Part No.EQB 72 MB: 250V SCALA: 250V
€22.14
Each
units
AC - - 68mm 68mm 53mm - - Class 1.5 - - +23°C Voltmeter -
RS Stock No. 886-1894
Mfr. Part No.EQ74-V65X2N1CAW0ST
€10.05
Each
units
AC - - 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. 255-979
Mfr. Part No.DPM 700
BrandLascar
€51.94
Each
units
DC 3.5 LCD 32mm 62mm 6.5mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 174-4217
Mfr. Part No.PAXLVD00
BrandRed Lion
€148.53
Each
units
DC 3.5 LED 44.5mm 91.4mm 104.1mm 115 V ac, 230 V ac 14.2 mm ±0.1% + 1 Digit Digital 0°C +60°C Voltmeter -
RS Stock No. 196-8430
Mfr. Part No.IS 11006
€71.49
Each
units
DC - - 59mm 76mm 30.5mm - - ±1.5 % - -25°C +55°C Voltmeter -
RS Stock No. 312-763
Mfr. Part No.D48MIS150V/2-001
BrandHOBUT
€26.42
Each
units
AC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 335-4394
Mfr. Part No.MDMV0120
BrandRed Lion
€71.77
Each
units
DC 3.5 LCD 42.7mm 23.6mm 14.2mm - - ±0.1 % Digits Only 0°C +70°C Voltmeter -
RS Stock No. 182-8464
Mfr. Part No.192G1107
BrandSocomec
€45.70
Each
units
- - - - - - - - - - - - Voltmeter -
RS Stock No. 392-8478
Mfr. Part No.9650000000B
€22.14
Each
units
AC - - 92mm 92mm 53mm - - Class 1.5 - - +23°C Voltmeter -
RS Stock No. 187-9922
Mfr. Part No.192G1007
BrandSocomec
€61.06
Each
units
- - - - - - - - - - - - Voltmeter -