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. 260-280
Mfr. Part No.DPM 2000S
BrandLascar
TWD1,827.00
Each
units
DC 3.5 LCD 36mm 72mm 9mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 179-7576
BrandRS PRO
TWD2,249.00
Each
units
- 4 Digital 90mm 90mm 55mm - 10 mm Class 1.0 - - - Voltmeter -
RS Stock No. 667-3991
Mfr. Part No.DPM 950S-FPSI
BrandLascar
TWD2,404.00
Each
units
DC 3.5 LCD 40mm 72mm 8.4mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 810-3328
Mfr. Part No.DMS-20LCD-0-5-C
TWD964.00
Each
units
DC 3.5 LCD 21.29mm 33.93mm 17.2mm - - - Digits Only 0°C +60°C Voltmeter -
RS Stock No. 886-1954
Mfr. Part No.EQ94-V68X2N1CAW0ST
TWD564.00
Each
units
AC - - 92mm 92mm 54mm - - - - -10°C +55°C Voltmeter 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, 2004 / 108 / EC (EMC Directive), 2006 / 95 / EC (Low Voltage Directive) and Amendment 93 / 68 / EEC
RS Stock No. 351-7567
Mfr. Part No.EMV 1125
BrandLascar
TWD1,437.00
Each
units
DC 3.5 LCD 44mm 21mm 9mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 886-2011
Mfr. Part No.PQ74-V0VL2N1CAW0ST
TWD848.00
Each
units
DC - - 68mm 68mm 54mm - - - - -10°C +55°C Voltmeter 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, 2004 / 108 / EC (EMC Directive), 2006 / 95 / EC (Low Voltage Directive) and Amendment 93 / 68 / EEC
RS Stock No. 903-3582
Mfr. Part No.DMS-20PC-2-LM-C
TWD1,809.00
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. 257-206
Mfr. Part No.DPM 40
BrandLascar
TWD2,190.00
Each
units
DC 3.5 LED 33mm 68mm 10.6mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 392-8478
Mfr. Part No.9650000000B
TWD784.00
Each
units
AC - - 92mm 92mm 53mm - - Class 1.5 - - +23°C Voltmeter -
RS Stock No. 901-0558
BrandRS PRO
TWD886.00
Each
units
DC - - 92mm 92mm 45mm - - ±1.5 % - -25°C +50°C Voltmeter CE, RoHS Compliant, TUV Certified, UL E327849
RS Stock No. 254-9096
Mfr. Part No.DMS-20PC-2-RL-C
TWD1,486.00
Each
units
- 3.5 LED 22mm 34mm 17.45mm - - - Digits Only - - Voltmeter -
RS Stock No. 203-978
Mfr. Part No.DPM 950
BrandLascar
TWD2,041.00
Each
units
DC 3.5 LCD 40mm 72mm 8.4mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 392-8658
Mfr. Part No.9600400000B
TWD1,171.00
Each
units
DC - - 92mm 92mm 53mm - - Class 1.5 - - +23°C Voltmeter -
RS Stock No. 106-4875
Mfr. Part No.DPM 160
BrandLascar
TWD3,116.00
Each
units
DC 4.5 LCD 27mm 57mm 8.2mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 388-5450
Mfr. Part No.CUB4V010
BrandRed Lion
TWD5,393.00
Each
units
DC 3.5 LCD 33mm 68mm 49.8mm - - ±0.1 % Digits Only 0°C +60°C Voltmeter -
RS Stock No. 176-4086
Mfr. Part No.DMS-40PC-1-RS-C
TWD2,273.00
Each
units
- 4.5 LED 23mm 55mm 17.45mm - - - Digits Only - - Voltmeter -
RS Stock No. 886-2045
Mfr. Part No.PQ94-V0TL2N1CAW0ST
TWD848.00
Each
units
DC - - 92mm 92mm 54mm - - - - -10°C +55°C Voltmeter 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, 2004 / 108 / EC (EMC Directive), 2006 / 95 / EC (Low Voltage Directive) and Amendment 93 / 68 / EEC
RS Stock No. 313-659
Mfr. Part No.D721MCS30V/2-001
BrandHOBUT
TWD1,677.00
Each
units
DC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 455-4450
Mfr. Part No.DPM 959B
BrandLascar
TWD2,043.00
Each
units
DC 3.5 LED 40mm 72mm 8.4mm - - 0.1 % Digits Only 0°C +50°C Voltmeter -