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. 533-4207
Mfr. Part No.906T12BNBGN
BrandCurtis
MYR306.05
Each
units
- - LED 31.2mm 53.2mm 28.8mm - - - - - - Battery Meter -
RS Stock No. 886-2045
Mfr. Part No.PQ94-V0TL2N1CAW0ST
MYR134.55
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. 867-3066
Mfr. Part No.EMV 1200-40
BrandLascar
MYR178.51
Each
units
DC 3 LCD - 5.5mm - - 12.5 mm ±0.4 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 254-9096
Mfr. Part No.DMS-20PC-2-RL-C
MYR253.91
Each
units
- 3.5 LED 22mm 34mm 17.45mm - - - Digits Only - - Voltmeter -
RS Stock No. 163-6363
Mfr. Part No.DMS-30PC-0-RL-C
MYR271.13
Each
units
DC 3.5 LED 22.3mm 53.8mm 19.6mm - - ±2 % Digits Only 0°C +60°C Voltmeter -
RS Stock No. 905-5661
Mfr. Part No.PAXLA0U0
BrandRed Lion
MYR1,132.26
Each
units
DC 5 LED 49.5mm 96.5mm 104.1mm - 14.2 mm - Digits Only 0°C +50°C Voltmeter CE, UL
RS Stock No. 399-0215
Mfr. Part No.SP 300
BrandLascar
MYR161.41
Each
units
DC 3.5 LED 21.3mm 34mm 16mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 904-7938
Mfr. Part No.APM-SHUNT-APO
BrandTrumeter
MYR564.23
Each
units
DC 4 LCD 68mm 68mm 52mm 12 → 24 V dc 12 mm 0.1 % Digital -10°C 60°C Voltmeter CE, CUL, CULus, UL
RS Stock No. 901-0551
BrandRS PRO
MYR157.55
Each
units
DC - - 68mm 68mm 36.5mm - - ±1.5 % - -25°C +50°C Voltmeter CE, RoHS Compliant, TUV Certified, UL E327849
RS Stock No. 223-183
Mfr. Part No.SP300-BLUE
BrandLascar
MYR203.53
Each
units
DC 3.5 LED 21.3mm 34mm 16mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 244-929
Mfr. Part No.F3PAM24V/2
BrandHOBUT
MYR105.21
Each
units
- - - - - - - - ±8 % - -20°C +40°C Battery Meter -
RS Stock No. 798-3781
Mfr. Part No.DMK10R1
BrandLovato
MYR604.89
Each
units
AC 4 LED 45mm 92mm 105mm - - ±0.25 % Digits Only -20°C +60°C Voltmeter -
RS Stock No. 867-3126
Mfr. Part No.EMV 1025S-00
BrandLascar
MYR243.55
Each
units
DC 37259 LCD - 5.5mm 5.5mm - 12.5 mm ±0.1 % Digits Only 0°C 50°C Voltmeter -
RS Stock No. 392-8478
Mfr. Part No.9650000000B
MYR123.46
Each
units
AC - - 92mm 92mm 53mm - - Class 1.5 - - +23°C Voltmeter -
RS Stock No. 901-0554
BrandRS PRO
MYR153.52
Each
units
DC - - 68mm 68mm 36.5mm - - ±1.5 % - -25°C +50°C Voltmeter CE, RoHS Compliant, TUV Certified, UL E327849
RS Stock No. 901-0558
BrandRS PRO
MYR140.61
Each
units
DC - - 92mm 92mm 45mm - - ±1.5 % - -25°C +50°C Voltmeter CE, RoHS Compliant, TUV Certified, UL E327849
RS Stock No. 901-0560
BrandRS PRO
MYR153.52
Each
units
DC - - 90.5mm 90.5mm 45mm - - ±1.5 % - -25°C +50°C Voltmeter CE, RoHS Compliant, TUV Certified, UL E327849
RS Stock No. 244-907
Mfr. Part No.F3PAM1801-30V
BrandHOBUT
MYR78.03
Each
units
DC - - - - 15mm - - ±8 % - -20°C +40°C Voltmeter -
RS Stock No. 196-8446
Mfr. Part No.IS 11007
MYR298.84
Each
units
DC - - 59mm 76mm 30.5mm - - ±1.5 % - -25°C +55°C Voltmeter -
RS Stock No. 163-6199
Mfr. Part No.DMS-30PC-0-GS-C
MYR252.43
Each
units
DC 3.5 LED 22.3mm 53.8mm 19.6mm - - ±2 % Digits Only 0°C +60°C Voltmeter -