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. 186-2447
BrandRS PRO
MYR84.83
Each
units
20 (Input)A AC Moving Iron 72mm 72mm 54 (<30 A)mm 1 % -10°C +65°C - 0 → 20 (Input)A 0 (Input)A -
RS Stock No. 186-2472
BrandRS PRO
MYR87.71
Each
units
- AC Moving Iron 96mm 96mm 66 (100 A)mm 1 % -10°C +65°C - - - -
RS Stock No. 186-2423
BrandRS PRO
MYR99.08
Each
units
30 (Input)A AC Moving Iron 48mm 48mm 54 (<30 A) mm, 72 (30 → 60 A) mm 1 % -10°C +65°C - 0 → 30 (Input)A 0 (Input)A -
RS Stock No. 186-2459
BrandRS PRO
MYR87.71
Each
units
10 (Input)A AC Moving Iron 96mm 96mm 54 (<30 A)mm 1 % -10°C +65°C - 0 → 10 (Input)A 0 (Input)A -
RS Stock No. 186-2456
BrandRS PRO
MYR84.83
Each
units
- AC Moving Iron 72mm 72mm 66 (100 A)mm 1 % -10°C +65°C - - - -
RS Stock No. 186-2453
BrandRS PRO
MYR96.23
Each
units
80 (Input)A AC Moving Iron 72mm 72mm 54 (<30 A) mm, 62 (30 → 60 A) mm, 66 (100 A) mm 1 % -10°C +65°C - 0 → 80 (Input)A 0 (Input)A -
RS Stock No. 186-2422
BrandRS PRO
MYR94.25
Each
units
20 (Input)A AC Moving Iron 48mm 48mm 54 (<30 A)mm 1 % -10°C +65°C - 0 → 20 (Input)A 0 (Input)A -
RS Stock No. 186-2504
BrandRS PRO
MYR117.60
Each
units
- DC Moving Coil 96mm 96mm 54 (<4 A) mm, 67 (5 → 60 A) mm, 67 (60 → 100 A) mm 1 % -10°C +65°C - - - -
RS Stock No. 186-2476
BrandRS PRO
MYR123.31
Each
units
20 (Input)mA DC Moving Coil 48mm 48mm 54 (<30 A)mm 1 % -10°C +65°C - 4 → 20 (Input)mA 4 (Input)mA -
RS Stock No. 186-2533
BrandRS PRO
MYR121.92
Each
units
- DC Moving Coil 57mm 44mm 45.7mm ±1.5 % 0°C +60°C - - - -
RS Stock No. 186-2473
BrandRS PRO
MYR87.71
Each
units
- AC Moving Iron 96mm 96mm 66 (100 A)mm 1 % -10°C +65°C - - - -
RS Stock No. 186-2445
BrandRS PRO
MYR84.83
Each
units
10 (Input) A, 200/5 (CT) A, 400 (Scle) A AC Moving Iron 72mm 72mm 54 (<30 A) mm, 62 (30 → 60 A) mm, 66 (100 A) mm 1 % -10°C +65°C - 0 → 10 (Input) A, 0 → 400 (Scale) A, 200/5 (CT) A 0 (Input, Scale)A -
RS Stock No. 186-2463
BrandRS PRO
MYR87.71
Each
units
10 (Input) A, 100 (Scle) A, 50/5 (CT) A AC Moving Iron 96mm 96mm 54 (<30 A) mm, 62 (30 → 60 A) mm, 66 (100 A) mm 1 % -10°C +65°C - 0 → 10 (Input) A, 0 → 100 (Scale) A, 50/5 (CT) A 0 (Input, Scale)A -
RS Stock No. 186-2425
BrandRS PRO
MYR96.23
Each
units
50 (Input)A AC Moving Iron 48mm 48mm 54 (<30 A) mm, 72 (30 → 60 A) mm 1 % -10°C +65°C - 0 → 50 (Input)A 0 (Input)A -
RS Stock No. 186-2424
BrandRS PRO
MYR106.92
Each
units
40 (Input)A AC Moving Iron 48mm 48mm 54 (<30 A) mm, 72 (30 → 60 A) mm 1 % -10°C +65°C - 0 → 40 (Input)A 0 (Input)A -
RS Stock No. 186-2434
BrandRS PRO
MYR77.68
Each
units
5 (Input, Scale)A AC Moving Iron 72mm 72mm 54 (<30 A)mm 1 % -10°C +65°C - 0 → 5 (Input, Scale)A 0 (Input, Scale)A -
RS Stock No. 186-2491
BrandRS PRO
MYR117.60
Each
units
- DC Moving Coil 72mm 72mm 54 (<4 A) mm, 67 (5 → 60 A) mm, 67 (60 → 100 A) mm 1 % -10°C +65°C - - - -
RS Stock No. 186-2455
BrandRS PRO
MYR94.25
Each
units
- AC Moving Iron 72mm 72mm 66 (100 A)mm 1 % -10°C +65°C - - - -
RS Stock No. 186-2477
BrandRS PRO
MYR117.60
Each
units
- DC Moving Coil 48mm 48mm 54 (<30 A) mm, 72 (30 → 60 A) mm 1 % -10°C +65°C - - - -
RS Stock No. 186-2454
BrandRS PRO
MYR84.83
Each
units
- AC Moving Iron 72mm 72mm 66 (100 A)mm 1 % -10°C +65°C - - - -