RS Components
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RS PRO ICM133R AC Current Clamp Meter, Max Current 1kA ac CAT III 1000 V, CAT IV 600 V

On back order for despatch 02/06/2021, delivery within 7 working days from despatch date.
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RS PRO ICM136R True RMS Clampmeter

From the trusted RS PRO brand, this ICM133R clamp meter has true RMS reading to ensure accurate current measurement. It utilises Hall Effect technology and features nickel steel alloy jaws for precise measurement of ac and dc current up to 1000 A.

Battery-powered for maximum portability, and with a large backlit screen, this multifunction current clamp meter is ideal for on-the-go applications in almost any environment.

It is also supplied in a carry case to keep the clampmeter safe and secure during transit.

Features and Benefits

• 4000 Count digital display
• Backlit, large-scale display
• Analogue bargraph 43 segments
• True RMS reading on AC mode
• AC 1000 A capability
• AC 750 V capability
• DC 1000 V capability
• 400 Ω resistance capability
• Continuity bleeper
• Display hold
• Peak hold (10 Ms)
• Min/Max function
• Auto power off
• Complies with CAT IV 600 V / CAT III 1000 V

This current clamp meter is designed for current measurement in electrical testing, and combines a digital multimeter with a clamping current sensor. The nature of the clamp means that it can fit around a wire at any point to sense AC Current. This has the advantage of allowing electricians to take a reading from a wire without touching it, which is both more convenient and safer than other methods.

True RMS (Root Mean Square) reading has advantages over average RMS reading in that it compensates for interfering electronic loads or distorted sinewaves to give an accurate reading.

This current clamp is used for measuring high levels of current in service and maintenance applications. It can also be used when installing electrical equipment.


RS PRO aims to be your go-to brand when you need reliability, quality, and affordability. We source high-quality tools and parts from trusted sources and employ expert testing to build a brand you can rely on.

When it comes to test and measurement equipment, RS PRO has an extensive range of solutions. From electrical to environmental measurement, we offer calibrated and multi-function instruments to suit your needs.

Features and Benefits

Supplied with

Battery (installed), test leads, carrying case and user manual

Absolute Maximum AC Current Measurement1kA ac
Absolute Maximum AC Voltage Measurement750V ac
Absolute Maximum DC Voltage Measurement1000V dc
Absolute Maximum Resistance Measurement400Ω
Model NumberICM133R
Clamp Meter TypeAC Current Clamp Meter
Best AC Current Accuracy±(2.5% rdg + 7dgts)
Best AC Voltage Accuracy±(1% rdg + 5dgts)
Best DC Voltage Accuracy±(0.7% rdg + 2dgts)
Dimensions90 x 51 x 275mm
Functions MeasuredAC Current, AC Voltage, Continuity, DC Voltage, Diode Test, Frequency, Resistance
Safety CategoryCAT III 1000 V, CAT IV 600 V
Best Resistance Measurement Accuracy±1% + 3 Digits
True RMSYes
Display TypeLCD
Maximum Operating Temperature+50°C
Battery Type9V, IEC 6F22, NEDA 1604
Minimum Operating Temperature0°C
Power SourceBattery
Resistance Measurement Resolution100mΩ
Safety Category LevelCAT III, CAT IV
Jaw Capacity Busbars51mm
Battery Life300 h
Maximum Conductor Size51 (Dia.)mm
Safety Category Voltage600 V, 1000 V