Ammeters

Ammeters provide an accurate way of measuring and displaying current within a circuit. They are designed for panel mounting and are used across a range of industrial applications. These metered instruments measure current flow in amperes. The ampere level of the current is displayed on using either an analogue scale or digital readout. The current is presented in draw (how much current flows) or continuity (how uninterruptable the current is). Learn more about the different types of ammeters in our complete guide to ammeters.

What are digital panel ammeters?

Digital ammeters feature a programmable bar graph scale that allows both minimum and maximum values to be set, enabling a custom scale, dependant on the needs of the application. The digital display can be programmed to change colour, flash or change annunciator message. These panel meters often feature triggers that can be programmed to sound an alarm when a critical point has been reached. The digital meter can also be set to trip when values exceed, fall behind, are between or are outside set points.

What are analogue panel ammeters?

Analogue panel ammeters determine whether erratic loads exist in electrical circuits. High ampere levels may indicate short-circuiting, unintentional grounding or indicate a defective component in the network. Low current flow points to high resistance or weak flow in the circuit.

Types of analogue panel ammeters

Analogue panel ammeters come in five types:

  • Moving coil: where magnetic deflection causes the coil to move when the current passes through the coil
  • Moving magnet: where the coil is mounted in the metered case, and a permanent magnet moves the needle
  • Moving iron: where an iron needle moves in response to an electromagnetic force from the coil
  • Electrodynamic: where an electrodynamic magnet responds to alternating and direct current movement
  • Hot wire: where current passes through a wire that expands when heated, indicating low or high ampere levels

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Description Price Maximum Value Current Type Moving Element Cutout Height Cutout Width Depth Meter Accuracy Minimum Temperature Maximum Temperature Approvals Measurement Range Minimum Displayed Value Series
RS Stock No. 914-5405
Mfr. Part No.D72SD5A/0-1000A
BrandHOBUT
SGD41.67
Each
units
0/1000A For 1000/5A CT AC Moving Iron 72mm 72mm 38.5mm Class 1.5 -25°C +40°C BS89, CE, DIN 43700, DIN 43802, IEC 51, UL 94V0, UL 94V1 0/1000A For 1000/5A CT 0A D72SD
RS Stock No. 123-6784
Mfr. Part No.EQ74-I1112N1CAW0ST
SGD20.11
Each
units
5A AC Moving Iron 72mm 72mm - - - - - 0 → 5A 0A -
RS Stock No. 163-8808
Mfr. Part No.PM-2/10A
BrandMonacor
SGD36.72
Each
units
10A - Moving Coil - - 23mm Class 2 - - - - - PM-2
RS Stock No. 287-2093
Mfr. Part No.PD72MIS5A2/2-001 0/80/160A
BrandHOBUT
SGD55.46
Each
units
0/80/160A For 80/5A CT AC Moving Iron 72mm 72mm 30.5mm Class 1.5 -25°C +40°C - 0/80/160A For 80/5A CT - -
RS Stock No. 446-2143
Mfr. Part No.DPM 742-BL
BrandLascar
SGD106.98
Each
units
- DC - 32mm 62mm 13mm ±0.1 % 0°C +50°C - - - -
RS Stock No. 374-4630
Mfr. Part No.ACA-20PC-2-DC1-RL-C
SGD135.54
Each
units
- AC - 21.3mm 33.9mm - - 0°C +60°C - - - -
RS Stock No. 810-3299
Mfr. Part No.DCA-20PC-4-DC4-RL-C
SGD103.53
Each
units
- DC - 21.29mm 33.93mm 26.4mm ±0.15 % 0°C +60°C - - - -
RS Stock No. 886-1995
Mfr. Part No.PQ74-I16L2N1CAW0ST
SGD37.81
Each
units
5mA DC Moving Coil 68mm 68mm 54mm - -10°C +55°C 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 Maximum of 5mA - Sigma
RS Stock No. 810-3315
Mfr. Part No.DCA-20PC-6-DC4-RL-C
SGD97.21
Each
units
- DC - 21.29mm 33.93mm 26.4mm ±0.15 % 0°C +60°C - - - -
RS Stock No. 388-5545
Mfr. Part No.CUB4I020
BrandRed Lion
SGD269.15
Each
units
- DC - 33mm 68mm 49.8mm ±0.1 % 0°C +60°C - - - -
RS Stock No. 392-9702
Mfr. Part No.9600600025B
SGD54.86
Each
units
25A DC Moving Magnet 92mm 92mm 53mm Class 1.5 - +23°C - 60mV - -
RS Stock No. 244-941
Mfr. Part No.R68M-50A-001
BrandHOBUT
SGD40.93
Each
units
50A DC Moving Magnet 63.5mm 62.5mm 35mm ±8 % -20°C +40°C - 0/50A - R68M
RS Stock No. 196-8496
Mfr. Part No.IS 11012
SGD115.87
Each
units
1mA DC Moving Coil 40.5mm 91.5mm 30.2mm ±1.5 % -25°C +55°C - - - -
RS Stock No. 914-5373
Mfr. Part No.D72SD5A/0-150A
BrandHOBUT
SGD33.35
Each
units
0/150A For 150/5A CT AC Moving Iron 72mm 72mm 38.5mm Class 1.5 -25°C +40°C BS89, CE, DIN 43700, DIN 43802, IEC 51, UL 94V0, UL 94V1 0/150A For 150/5A CT 0A D72SD
RS Stock No. 392-9134
Mfr. Part No.9600099995B
SGD56.12
Each
units
20mA DC Moving Coil 92mm 92mm - Class 1.5 - - - 0/4 → 20mA - -
RS Stock No. 914-5411
Mfr. Part No.D72MC75MV/0-10A
BrandHOBUT
SGD90.94
Each
units
0/10A For Shunt 75mV DC Moving Coil 72mm 72mm 38.5mm Class 1.5 -25°C +40°C BS89, CE, DIN 43700, DIN 43802, IEC 51, UL 94V0, UL 94V1 0/10A For Shunt 75mV 0A D72MC
RS Stock No. 313-441
Mfr. Part No.D96MIS10A/1-001
BrandHOBUT
SGD44.03
Each
units
0/10A Direct Connected AC Moving Iron 96mm 96mm 38.5mm Class 1.5 -25°C +40°C - 0/10A Direct Connected - D96SD
RS Stock No. 202-805
Mfr. Part No.EQB72 MB: 25/50A SCALA: 25/50A
SGD36.95
Each
units
50A AC Moving Iron 68mm 68mm 53mm Class 1.5 - +23°C - - - -
RS Stock No. 374-4602
Mfr. Part No.ACA-20PC-3-AC1-RL-C
SGD143.21
Each
units
- AC - 21.3mm 33.9mm - - 0°C +60°C - - - -
RS Stock No. 259-549
BrandRS PRO
SGD13.47
Each
units
100µA - - - 50mm 14mm ±20 % -10°C +55°C RoHS Compliant - - RS PRO