Be the first to review this product

CM42 AC Clamp Meter

FLIR CM42 True RMS Professional 400A Clamp Meter with Accu-Tip designed to take AC measurements; equipped with a bright back-lit display for ease of use inside electrical panels.

Part Number:

read more


List Price

150.00 incl. VAT)
Add To Cart



Buy FLIR Instruments & Get a FREE FLIR Test Tool

FLIR Summer Promotion - FREE FLIR Products! If you spend more than £1000+ you will receive a great FLIR Test Tool absolutely FREE!

For full details CLICK HERE.



FLIR CM42 True RMS Professional 400A Clamp Meter with Accu-Tip

FLIR CM42 Clamp Meter is an affordable True RMS meter designed for commercial and residential electricians.  Featuring AC measurement and equipped with a bright back-lit display for ease of use inside electrical panels. 

Accu-Tip technology provides highly accurate amperage measurements to a tenth of a digit on small-gauged wires.  Features VFD mode, MAX/MIN/AVG recording, frequency and diode measurement, data hold, low pass filter for voltage measurement, and more.

Constructed with an over-moulded, easy-to-grip design it‘s durable enough to withstand a two-meter drop, and the slim form factor is convenient to carry in your tool bag anywhere you go.


FLIR CM42 Key Features:

  • Professional performance at an affordable price!
  • Large, bright backlit display
  • Accu-Tip technology delivers more accurate amperage readings on smaller gauged wires, to a tenth of a digit
  • MAX/MIN/AVG recording plus frequency and diode measurement
  • Data hold, zero function, and low-pass filter (VFD) for voltage measurement
  • Large, bright backlit display for easy-to-see readings
  • Operates at -10°C to 50°C (14°F to 122°F) and accepts up to 30 mm max conductor
  • Electrical field detection (NCV) determines if voltage is present, strength of the field



What comes with the FLIR CM42?

  • FLIR CM42 Clamp Meter
  • User Manual
  • Batteries



Choose a clamp meter based on the features you demand. Whether you need a professional True RMS clamp meter with a built-in Non-Contact Voltage Detector or require the ability to take thermocouple measurements with additional features like Zero mode and DC µA function, the CM4X family has a meter for you (see comparison chart below)




Comparison Chart for: FLIR CM42 AC Clamp Meter

CM42CM44CM46Basic Accuracy
DC Voltage 600 V600 V600 V±1.0%
AC Voltage (Digital Low Pass Filter/VFD)600 V600 V600 V±1.0%
AC + DC Voltage (Digital Low Pass Filter/VFD)600 V±1.2%
Clamp-On AC current (50-100 Hz)400 V400 V400 V±1.8%
Clamp-On AC current (100-400 Hz)±2.0%
Accu-Tip Clamp-On AC Current60 A60 A60 A±1.5%
Clamp-On DC current400 V±2.0%
Accu-Tip Clamp-On DC current60 A±2.0%
Frequency50 to 400 Hz50 to 400 Hz50 to 400 Hz±1.0%
Resistance60 kΩ60 kΩ60 kΩ±1.0%
Capacitance2500 μF2500 μF±2.0%
Diode2.0 V2.0 V2.0 V±1.5%
DCμA2000 μA2000 μA±1.0%
Temperature-40°C to 400°C-40°C to 400°C±1.0%
Product Downloads