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. 815-8299
Mfr. Part No.APM-VOLT-APN
BrandTrumeter
SGD126.60
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. 287-2188
Mfr. Part No.PD72MIS500V/2-003
BrandHOBUT
SGD52.59
Each
units
AC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 163-6290
Mfr. Part No.DMS-30PC-0-RS-C
SGD89.96
Each
units
DC 3.5 LED 22.3mm 53.8mm 19.6mm - - ±2 % Digits Only 0°C +60°C Voltmeter -
RS Stock No. 903-3582
Mfr. Part No.DMS-20PC-2-LM-C
SGD93.27
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. 653-7671
Mfr. Part No.CUB5VB00
BrandRed Lion
SGD242.69
Each
units
DC 5 LCD 33mm 68mm 43.4mm - - - Digits Only -35°C +75°C Voltmeter -
RS Stock No. 533-4207
Mfr. Part No.906T12BNBGN
BrandCurtis
SGD92.06
Each
units
- - LED 31.2mm 53.2mm 28.8mm - - - - - - Battery Meter -
RS Stock No. 455-4494
Mfr. Part No.EM 32-1B-LED
BrandLascar
SGD69.21
Each
units
DC 3.5 LED - - - - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 255-979
Mfr. Part No.DPM 700
BrandLascar
SGD81.25
Each
units
DC 3.5 LCD 32mm 62mm 6.5mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 533-4190
Mfr. Part No.906T24BNBGN
BrandCurtis
SGD78.53
Each
units
- - LED 31.2mm 53.2mm 28.8mm - - - - -40°C +85°C Battery Meter -
RS Stock No. 313-542
Mfr. Part No.D481MCS10V/2-002
BrandHOBUT
SGD75.72
Each
units
DC - - - - - - - - - -25°C +40°C Voltmeter -
RS Stock No. 810-3365
Mfr. Part No.DMS-20PC-1-DCM-B-C
SGD88.11
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. 886-1989
Mfr. Part No.PQ44-V0VL2N1CAW0ST
SGD34.01
Each
units
DC - - 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. 260-274
Mfr. Part No.DPM 400
BrandLascar
SGD53.07
Each
units
DC 3.5 LCD 45mm 22mm 9mm - - ±1 % Digits Only 0°C +50°C Voltmeter -
RS Stock No. 905-5661
Mfr. Part No.PAXLA0U0
BrandRed Lion
SGD354.39
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. 163-6313
Mfr. Part No.DMS-30PC-2-RS-C
SGD89.96
Each
units
DC 3.5 LED 22.3mm 53.8mm 19.6mm - - ±2 % Digits Only 0°C +60°C Voltmeter -
RS Stock No. 798-3781
Mfr. Part No.DMK10R1
BrandLovato
SGD154.25
Each
units
AC 4 LED 45mm 92mm 105mm - - ±0.25 % Digits Only -20°C +60°C Voltmeter -
RS Stock No. 810-3324
Mfr. Part No.DMR20-1-ACV-R-C
SGD71.61
Each
units
AC 4 LED - 30.73mm 29.9mm - - ±2 V Digits Only -25°C +60°C Voltmeter -
RS Stock No. 111-5864
Mfr. Part No.DMR20-1-FM-R-C
SGD57.04
Each
units
AC 4 LED - 30.73 (Dia.)mm 2.5mm - 7.6 mm ±0.02 Hz Digits Only -25°C +60°C Voltmeter cUL, IEC 61010-1, UL Listed
RS Stock No. 254-9131
Mfr. Part No.DMS-20PC-3-DCM-C
SGD72.37
Each
units
DC 3.5 LED 21.29mm 33.93mm 24.4mm - - ±0.01 % Digits Only - - Voltmeter -
RS Stock No. 254-9119
Mfr. Part No.DMS-20PC-0-DCM-C
SGD74.74
Each
units
- 3.5 LED 33.93mm 21.29mm - - - - Digits Only - +60°C Voltmeter -