CM44 - Measurement FLIR - Free user manual and instructions
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| Product Type | True RMS Clamp Meter |
| Model | CM44 |
| Brand | FLIR |
| Dimensions (approx.) | 200 x 70 x 30 mm |
| Weight (approx.) | 200 g (including batteries) |
| Power Supply | 2 x AAA batteries (1.5V) |
| AC Voltage Range | 0.1 mV to 600 V |
| DC Voltage Range | 0.1 mV to 600 V |
| AC Current (Clamp) | 0.1 A to 400 A |
| Resistance Range | 0.1 Ω to 40 MΩ |
| Capacitance Range | 1 pF to 100 µF |
| Frequency Range | 1 Hz to 10 MHz |
| Temperature Measurement | -20°C to 1000°C (with K-type thermocouple) |
| Safety Rating | CAT III 600V |
| Display | Digital LCD with backlight |
| Data Hold | Yes |
| Auto Power Off | Yes (configurable) |
| Maintenance | Clean with a soft, damp cloth; do not use solvents |
| Spare Parts / Repairability | Replaceable test leads, fuses, and battery; service by qualified personnel |
Frequently Asked Questions - CM44 FLIR
How do I measure AC current with the FLIR CM44?
Set the dial to the current measurement function (A~). Clamp the jaw around a single conductor. Read the value on the display. Ensure the conductor is centered inside the jaw for best accuracy.
What type of battery does the CM44 use and how do I replace it?
The CM44 uses two AAA 1.5V batteries. To replace, open the battery compartment on the back, remove old batteries, insert new ones with correct polarity, and close the compartment.
Can I measure temperature with this clamp meter?
Yes, the CM44 supports temperature measurement with a K-type thermocouple (not included). Connect the thermocouple to the COM and °C terminals, set the dial to °C/°F, and read the temperature.
What is the maximum voltage I can safely measure?
The FLIR CM44 is rated CAT III 600V. Do not exceed 600V AC or DC between terminals or to ground. For current measurements, the clamp is insulated for 600V CAT III.
How do I use the Data Hold function?
Press the HOLD button to freeze the current reading on the display. Press again to release. This is useful when you cannot view the display at the time of measurement.
Why does my CM44 auto power off?
The auto power off feature saves battery. After a period of inactivity (default ~15 minutes), the meter turns off. You can disable this by pressing and holding the MODE button while turning on the meter.
How do I measure resistance with the CM44?
Set the dial to the Ω function. Connect the test leads: red to V/Ω, black to COM. Touch the probes across the resistor or circuit. The display shows resistance. For accurate readings, ensure the circuit is de-energized.
What is the accuracy of the AC voltage measurement?
For AC voltage, the basic accuracy is ±(1.0% of reading + 5 digits) in the 40-400Hz range. Check the manual for specific ranges and conditions.
Can I replace the test leads?
Yes, the test leads are replaceable. Use only leads rated for CAT III 600V or higher. Always replace damaged leads immediately.
How do I clean the clamp meter?
Clean the exterior with a soft, damp cloth. Do not use abrasive cleaners, solvents, or immerse the meter in water. Keep the jaw surfaces clean for accurate current measurements.
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USER MANUAL CM44 FLIR
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Product information
Brand : FLIR
Model : CM44
Category : Measurement