Yokogawa CW121

CW120 Clamp-on Power Meter

Compact and easy to use clamp-on power meter. 3 Phase 4 Wire with RS232 interface standard.

Outline:

• Compact & Light weight body with large back-lit LCD
• Current clamps in a range of sizes(small to large diameter)
• Support for large-capacity ATA flash memory
  (equipped with PC card slot)
• Data can be saved at from 1 second
• Wiring error check function
• 2 or 3-load system
• Simultaneous measurement of multiple use possible by external control terminal
• Parameters setting tool is included to set measurement conditions through PC

Specifications

• Measuring Function:
  V/A/Active power/Reactive power/Power factor (lead/leg)/Frequency/Active electric energy/Regenrative electric energy (Only for data saving)
• Input Voltage:
  150/300/450V Range (CAT III 600V) Max:450V+10%
• Current:
  5/10/20/50/100/200/500/1000A Range
  (Depend on Clamp probe to use)
• Wiring Method:
  CW120: Single-phase 2-wire, Single-phase 3-wire, 3-phase 3-wire,
  Single-phase 2-wire 2-load system
  CW121: Single-phase 2-wire, Single-phase 3-wire, 3-phase 3-wire, 3-phase 4-wire,
  Single-phase 2-wire 2 or 3-load system
• Accuracy:
  1.2%(0.8% rdg + 0.4% rng)
  (Depend on Clamp probe to use)

Yokogawa CW121 datasheet & specifications