Clamp-on Process Meter CL420 (DC mA Current)

This device allows the user to make safe current checks of 4 to 20mA without breaking the loop. In addition, the output function provides a simple way to log and monitor the data.

  • 0.2% Accuracy, 0.01mA Resolution
  • Dual Display
  • LED Torch Light, Backlight Display
  • Analog Output Available
Model CL420
Diameter of measurable conductor 6mm diameter max.
DC Current Range and resolution [Measuring range] Measuring accuracy (*1)
20.00 mA [0.00 to±21.49mA]
100.0 mA [±21.0 to ±126.0mA]
±(0.2%rdg+5dgt) (*2)
DC Voltage OUTPUT 20.00 mA [0.0 to±214.9mV]
100.0 mA [±210 to±1260mV]
(DCA Accuracy)+(±0.5mV)
(DCA Accuracy)+(±3mV)
Display 4-digit LCD Numeric display
Response time Approx. 1.5 seconds (2.5 seconds when across the range)
Range switching Auto range
Operating temperature and humidity -10˚C to +50˚C 80% RH or less (no condensation)
Safety Standards EN61010-1, EN61010-2-030, EN61010-2-032
Withstanding voltage 2.21kV AC for 5 seconds (between the core and the case)
Power supply Four AA-size alkaline batteries (1.5V LR6)
Battery life Approx. 60hrs (continuous) backlight off and LED light off
Other functions Data hold, Zero adjust function, Auto power off, LED Torch
light, Back light display, Illuminant panel
External dimensions and weight 61 (W) x 111 (H) x 40 (D) mm
Approx. 290g (including batteries)
Standard accessories User’s Manual, Batteries, Soft case (93045)

(*1) At 23˚C ±5˚C, 45% to 75%RH
Measurement accuracy: ±(% of reading + digits) 
Terms of accuracy: Open and close the clamp sensor after power on and perform zero adjustment.
(*2) The 20mA range accuracy assurance is the average of 5 times measuring.

98076 Output cable

Output cable, length approx.1 m

98077 Output cable (for screw terminal)

Output cable for screw terminal, length approx.1 m

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