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The CL220 measures AC current and NCVT via clamp and AC/DC voltage, resistance, and continuity via test-leads, and temperature with thermocouple. The meter features automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy. Additionally, a backlit LCD makes viewing in low light easy.

Product Depth (in.) | 1.51 in |
|---|---|
Product Width (in.) | 3.51 in |
Accuracy Measurement | True-RMS |
|---|---|
Category Rating | III |
Features | Backlit, Data Logging, Interchangeable Leads |
Functions Measured | Amperage, Continuity, Resistance, Voltage |
Included | Batteries, Case, Test Leads |
Maximum AC Current (A) | 400 |
Maximum AC Voltage | 600 |
Maximum DC Voltage | 600 |
Maximum Frequency (MHz) | 0 |
Maximum Resistance (ohms) | 20M |
Number of Functions | 7 |
Power Source | Battery Operated |
Range | Auto Ranging |
Returnable | 90-Day |
Certifications and Listings | CSA Certified |
|---|---|
Manufacturer Warranty | Please refer to the attached warranty document in the Product Overview section above under Info & Guides. |
Klein Tools Cat. No. CL220, Digital Clamp Meter, AC Auto-Ranging 400 Amp with Temp, does not measure or display total harmonic distortion (THD).
The Klein Tools Cat. No. CL220, Digital Clamp Meter, AC Auto-Ranging 400 Amp with Temp, is designed to measure AC current (in amps) using the clamp, as well as voltage, resistance, and continuity using the test leads. It does not measure current in milliamps (mA) or microamps (µA). For applications requiring low-current measurement, our next available meter that measures microamps (DC 200µA) is Klein Tools Cat No. CL320 Digital Clamp Meter.
The Klein Tools CAT No. CL220, does not read MDF. However I would recommend the CAT No. CL320, HVAC Digital Clamp Meter, AC Auto-Ranging 400 Amp which does read MFD.
Depending on the type of automotive work you're performing, in theory, the CL220 Digital Clamp Meter can be used. While our clamp/multimeters do not measure dwell time, RPM, or pulse width at this time, if you do not need those three measurements it should work.
It does not include a calibration certificate. For information on calibration certificates please contact Klein Tools Customer Service 1-800-553-4676
If you are attempting to measure the load by clamping around the power cord of those appliances, you need a line splitter (please see Klein Tools model # 69409).The Line Splitter separates hot from neutral and ground wires on standard 120-Volt outlets so that current measurements can be made with a current clamp. Without the Line Splitter, the current clamp measures the load current going in both directions, effectively cancelling the measurement.
You can only read the amperage on a single wire, not a whole cord that plugs into the wall. I’d recommend locating the circuit in your electrical panel, and then clamp the meter around your wire going to the breaker.
Please contact Klein Tools Customer Service 1-800-553-4676 for assistance with your Clamp Meter.
The CL220 is not equipped with Inrush current capabilities. For measuring Inrush current, please see Klein Tools model # CL445 or CL900
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