CL220 Series, Mini Clamp-on Testers
AC/DC Current (0-40A-300A) Clamp-on Meters

Portable Pocket Clamp-on meters capable of measuring up to 200AAC
(for conductors up to 24 mm in diameter)
Yokogawa CL220 Clamp-on Meters
  • 3 3/4 digit LCD display
  • AC/DC current measurements with current ranges up to 300A
  • Light weight and compact design
  • 24mm in diameter of measurable conductor
  • DC output
  • Light weight & compact design
  • Mean value display
  • Sleep function
  • Approved for conformity to safety standards EN61010-1, EN61010-2-032 (CAT. III 300 V)

* All Clamp-on Meters include Test Leads (where applicable) and a carrying case

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  • HVA applications, simply clamp around a single conductor to make your measurement without having to break the circuit
  • Testing for current leakage on branch circuits
  • Measuring current draw of motors and motor control circuits
  • Measuring Loads


Model CL220 is a light and compact Clamp-on meter with the ability to perform AC and DC current and voltage measurements up to 300A. It is inexpensive and Ideal for dedicated current measurement applications.
  • Literature
  • Specifications
Literature and Technical Information
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Clamp-on Meters – Portable Test Instruments

++ CL220 Clamp-on Meters| Specification sheet
Model: Yokogawa CL220 Clamp-on Meters
Display LCD (Digital display: 3999 counts)
Specific Accuracies
DC Current
Accuracy (40A): 1.0+4
Accuracy (±20~±200A): 1.5+4
Accuracy (±200~±300A): 3.0
AC Current
Accuracy (40A): 1.0+4 (50/60Hz)
2.5+4 (20~1kHz)
Accuracy (±20~±200A): 1.5+4 (50/60Hz)
2.5+4 (20~1kHz)
Accuracy (±200~±300A): 3.5 (50/60Hz)
4.0 (20~1kHz)
General specifications
Method of detection Mean value
Response Time Approx. 2 seconds
Range Switching Manual-range
Data Hold On all range
Influence of external magnetic field 1A or less at 400 A/m
Influence of conductor position ±(2% rdg + 5dgt) or less
Safety Standard Conforms EN 61010-1, EN61010-2-032
Circuit Voltage 300Vrms or less
Withstanding Voltage 3.7kV AC for one minute
Auto power-off Approx. 10 minutes
Diameter of measurable
24mm at maximum
Operating Temp.: -4º to +150ºF
-20ºC to +65ºC
Relative Humidity: 95% (non condensing)
Dimensions Approx. 59(W) x 148(H) x 26(D)mm
Weight Approx. 100g
Accessories Clamp Adapter (Model 99025), Carrying Case (Model 93033), User’s manual (IM CL220), Batteries
Power Supply LR-44 x2(3V) or SR-44 x2
Battery Life Approx. 100 hours (continuous)
Consumed Current Approx. 9 mA