Digital Clamp Meter, AC Auto-Ranging 400 Amp with Temp


  • Clamp Meter measures AC current and NCVT via a clamp, as well as AC/DC voltage, resistance and continuity via test-leads, and temperature with a thermocouple
  • Non-contact voltage tester integrated into the clamp jaw
  • Backlit LCD for ease of viewing in low light
  • Automatically ranging true root mean squared (TRMS) measurement technology for accuracy
  • Test lead holder on side of clamp and optional magnetic hanger for meter (Cat. Nos. 69445 or 69417) for hands-free operation
  • Measures temperature with a K-Type thermocouple probe
  • Auto-Range, Hold, Data Hold and Max value
  • Auto Power-Off after 10 minutes to conserve battery life
  • Includes a carrying case, test leads with CAT III/CAT IV safety caps, thermocouple, instructions and 3 x AAA batteries
  • Low-battery indicator and easily accessible battery compartment
  • Built to withstand a 6.6' (2 m) drop
  • CAT III 600 V, Class 2, Double insulation safety rating
  • Meets requirements for use in basic and controlled electromagnetic environments such as residential, office and light-industrial locations

The CL220 measures AC current and NCVT via a clamp, as well as AC/DC voltage, resistance and continuity via test-leads, and temperature with a 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.

Auto-Ranging TRMS Clamp with Temperature
Measures AC Current and NCVT via a Clamp, as well as AC/DC Voltage, Resistance and Continuity via Test-Leads, and Temperature with a Thermocouple
Special Features:
Automatically Ranging True Root Mean Squared (TRMS) Measurement Technology for Accuracy; NCVT; Added Temperature
3 x AAA
Auto Shut Off:
Jaw Size:
1.6'' (4.1 cm)
Drop Protection:
6.6' (2 m)
2000 Count Backlit LCD
TRMS, AC Current, NCVT, AC/DC Voltage, Resistance, Continuity and Temperature
600 V AC/DC
400 A AC
Ohms (Resistance):
20 MΩ
AC Voltage:
600 V
DC Voltage:
600 V
DC Polarity Indicator:
Temperature Range:
-40 °F-1832 °F (-40 °C-1000 °C)
CATIII 600V, Class 2, Double Insulation Safety Rating, CE Certified
Digital Clamp Meter; Carrying Case; Instructions; Test Leads; Thermocouple; Batteries
Overall Length:
8.45'' (21.5 cm)
Overall Height:
1.5'' (3.8 cm)
Overall Width:
3.5'' (8.9 cm)
11 oz (314 g)
Additional Information
  • Read, understand and follow all instructions, cautions and warnings attached to and/or packed with all test and measurement devices before every use.
  • Do not attempt to measure resistance or continuity on live circuits.
  • Before every use, verify meter operation by measuring a known voltage or current.
  • Do not use the meter during electrical storms or in wet weather, and do not use the meter or test leads if they appear to be damaged.
  • Usage of this meter in any way other than that specified by the manufacturer can impair safe operations, resulting in severe injury or death.