Voltmeters

Voltmeters are instruments that are used in electrical circuitry to measure the voltage, or potential deviation, between two points in an electrical circuit. Voltmeters are panel mounted devices that can display results in either an analogue or digital display format. Analogue voltmeters have a pointer that moves along a scale proportional to the voltage level whereas digital voltmeters measure the potential deviation in the same way and display this with a digital readout.At RS Components, we have curated a wide range of voltmeters from leading brands in the industry, including HOBUT, Lascar, Murata Power Solutions, Sifam Tinsley, RS PRO and many more. Our range includes voltmeters suitable for AC and DC, with various supply voltage and meter accuracy options available.

What are voltmeters used for?

Voltmeters are used in a wide range of applications of industries as their function of measuring voltage levels can be beneficial in many different environments, such as measuring the voltage in generators or fixed machinery. They're also commonly used in chemical processing plants where pressure, temperature or fluid-flow readings can be converted into voltage measurements.

How do I connect a voltmeter?

As a voltmeter is used to measure any potential difference is should always be connected in parallel in your circuit. This is important because objects in parallel encounter the same potential difference.

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 are the high voltage range capacity of 200KV.

Types of Digital Voltmeters

Digital panel voltmeters have several 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. 365-6252
Mfr. Part No.EMV 1200
BrandLascar
MYR162.50
Each
units
DC 3 LCD 44mm 21mm 9mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 244-890
Mfr. Part No.F3PAM1801-15V
BrandHOBUT
MYR72.49
Each
units
DC - - - - 15mm - - ±8 % - -20°C +40°C Voltmeter -
RS Stock No. 313-659
Mfr. Part No.D721MCS30V/2-001
BrandHOBUT
MYR268.05
Each
units
DC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 315-9458
Mfr. Part No.PD721MCS30V/2-001
BrandHOBUT
MYR320.60
Each
units
DC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 867-3123
Mfr. Part No.EMV 1025S-02
BrandLascar
MYR258.72
Each
units
DC 37259 LCD - 5.5mm 5.5mm - 12.5 mm ±0.1 % Digits Only 0°C 50°C Voltmeter -
RS Stock No. 257-212
Mfr. Part No.DPM 125
BrandLascar
MYR186.53
Each
units
DC 3.5 LCD 22.2mm 45mm 9mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 313-665
Mfr. Part No.D721MCS100V/2-001
BrandHOBUT
MYR265.62
Each
units
DC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 815-8302
Mfr. Part No.APM-VOLT-ANN
BrandTrumeter
MYR431.10
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. 815-8299
Mfr. Part No.APM-VOLT-APN
BrandTrumeter
MYR393.09
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. 351-7567
Mfr. Part No.EMV 1125
BrandLascar
MYR181.65
Each
units
DC 3.5 LCD 44mm 21mm 9mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 312-915
Mfr. Part No.D96SD500V/2-001
BrandHOBUT
MYR165.64
Each
units
AC - - 92mm 92mm - - - - - -25°C +40°C Voltmeter -
RS Stock No. 419-9384
Mfr. Part No.V 125
BrandLascar
MYR612.866
Each (In a Pack of 10)
units
DC 3.5 LCD 45mm 21.5mm - - - ±3 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 176-4171
Mfr. Part No.DMS-20PC-1-LM-C
MYR326.58
Each
units
AC 3.5 LED 21.29mm 33.93mm 17.45mm - - - Digits Only - - Voltmeter -
RS Stock No. 312-842
Mfr. Part No.D72MIS300V/2-001
BrandHOBUT
MYR140.43
Each
units
AC - - 68mm 68mm - - - - - -25°C +40°C Voltmeter -
RS Stock No. 810-3334
Mfr. Part No.DMS-20LCD-0-9-C
MYR193.70
Each
units
DC 3.5 LCD 21.29mm 33.93mm 17.2mm - - - Digits Only 0°C +60°C Voltmeter -
RS Stock No. 886-1901
Mfr. Part No.EQ74-V69X2N1CAW0ST
MYR89.37
Each
units
AC - - 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. 254-9125
Mfr. Part No.DMS-20PC-1-DCM-C
MYR286.97
Each
units
DC 3.5 LED 21.29mm 33.93mm 24.4mm - - ±0.01 % Digits Only - +60°C Voltmeter -
RS Stock No. 313-564
Mfr. Part No.D481MCS100V/2-001
BrandHOBUT
MYR265.13
Each
units
DC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 388-5450
Mfr. Part No.CUB4V010
BrandRed Lion
MYR768.02
Each
units
DC 3.5 LCD 33mm 68mm 49.8mm - - ±0.1 % Digits Only 0°C +60°C Voltmeter -
RS Stock No. 244-913
Mfr. Part No.F3PAM12V/1
BrandHOBUT
MYR97.85
Each
units
- - - - - - - - ±8 % - -20°C +40°C Battery Meter -