CL345 Clamp-On Tester

Brand: Yokogawa Electric Corporation

Specifications
  • Leakage current measurement with current range from 40 mA to 400 A
  • Manual range switching and auto power-off functions
  • 40 mm in diameter of measurable conductor
  • True RMS display
  • Auto power-off
  • Manual range switching
  • Approved for conformity to safety standards EN61010-2-032 (CAT. III 300 V)

Specifications

Accuracy

  • ± (1 % of Reading + 5-Digits) - AC Current (50/60 Hz)
  • ± (2 % of Reading) - AC Current (50/60 Hz)
  • ± (2.5 % of Reading + 10-Digits) - AC Current (20 to 1,000 Hz & 40 to 1,000 Hz)
  • ± (5 % of Reading) - AC Current (40 to 1,000 Hz)

Approvals & Certifications

  • CE

Approvals & Certifications

  • EN 61010-2-032

Battery Life

  • Approximately 24 Hours (Continuous)

Conductor Position Effect

  • 0 to 250 A: within ± 0.5 % of Reading ± 5-Digits at Every Part Inside the Jaw Section
  • 40/400 mA Range: within 5-Digits at Every Part Inside the Jaw 400 A Range

Consumption

  • Consumed Current: Approximately 21 mA

Current

  • AC Current: 40 mA to 400 A
  • Effect of Residual Current: 12 mA or Less in Proximity to A 10 mm-Diameter Conductor Carrying 100 A

Diameter

  • Diameter of Measurable Conductor: 1.57” (40 mm) At, Max.

Display

  • LCD (Digital Display: 4,200 Counts)

External Magnetic Field Effect

  • 10 mA or Less in Proximity to A 15 mm-Diameter Conductor Carrying 100 A

Frequency

  • Frequency Characteristics: 20 to 1,000 Hz

Humidity

  • 85 % Relative Humidity or Less, Non-Condensing

Operating Temperature

  • 0° to 40° C (32° to 104° F)

Resolution

  • AC Current: 0.01 mA

Response Time

  • Approximately 2 seconds

Supply Voltage

  • Circuit Voltage: 300 Vrms or Less
  • Withstanding Voltage: 3.7 kVac for One Minute

Turn-Off Time

  • Auto Power-Off: Approximately 10 minutes
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