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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Omschrijving Prijs Maximum Value Current Type Moving Element Cutout Height Cutout Width Depth Meter Accuracy Minimum Temperature Maximum Temperature Approvals Measurement Range Minimum Displayed Value Series Number of Digits
RS-stocknr. 179-7575
FabrikantRS PRO
67,95 €
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20mA DC Moving Coil 92mm 92mm - Class 1.5 - - - 0/4 → 20mA - - -
RS-stocknr. 186-2443
FabrikantRS PRO
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10 (Input) A, 50/5 (CT) A, 100 (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 → 100 (Scale) A, 50/5 (CT) A 0 (Input, Scale)A - -
RS-stocknr. 392-8428
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20mA DC Moving Magnet 92mm 92mm - Class 1.5 - - - 20mA - - -
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10 (Input) A, 120 (Scale) A AC - 76mm 74mm 45.7mm ±1.5 % 0°C +60°C - 0 → 10 (Input) A, 0 → 120 (Scale) A 0 (Input, Scale)A - -
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300A AC Moving Iron - - - - - - CE Certified 1 → 300A 1A 3NJ6900 -
RS-stocknr. 186-2423
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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-stocknr. 186-2457
FabrikantRS PRO
20,27 €
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- AC Moving Iron 72mm 72mm 66 (100 A)mm 1 % -10°C +65°C - - - - -
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30 (Input)A AC Moving Iron 96mm 96mm 54 (<30 A) mm, 62 (30 → 60 A) mm 1 % -10°C +65°C - 0 → 30 (Input)A 0 (Input)A - -
RS-stocknr. 177-0268
Fabrikantnummer3NJ6900-4HL21
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600A AC Moving Iron - - - - - - CE Certified 5 → 600A 5A 3NJ6900 -
RS-stocknr. 914-5411
FabrikantnummerD72MC75MV/0-10A
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56,20 €
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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-stocknr. 186-2441
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3 (Input)A AC Moving Iron 72mm 72mm 54 (<30 A)mm 1 % -10°C +65°C - 0 → 3 (Input)A 0 (Input)A - -
RS-stocknr. 392-8557
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20mA DC Moving Magnet 92mm 92mm 53mm Class 1.5 - +23°C - 0/4 → 20mA - - -
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FabrikantnummerPD721MCS10A/1-001
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0/10A Direct Connected DC DC Moving Coil 72mm 72mm 30.5mm Class 1.5 -25°C +40°C - 0/10A Direct Connected DC - PD72MC -
RS-stocknr. 287-2037
FabrikantnummerPD72MIS5A2/2-001 0/5/10A
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36,12 €
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0/5/10A Direct Connected AC Moving Iron 72mm 72mm 30.5mm Class 1.5 -25°C +40°C - 0/5/10A Direct Connected - - -
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RS-stocknr. 186-2444
FabrikantRS PRO
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10 (Input) A, 100/5 (CT) A, 200 (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 → 200 (Scale) A, 100/5 (CT) A 0 (Input, Scale)A - -
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- AC - 43.5mm 92mm 68mm ±0.5% + 1 Digit 0°C +50°C IEC 60529, IEC 61010-1-2001, IEC 61326-1:2005 1 → 5 (Input)A - BT144 -