YOKOGAWA CW140, User Manual, Page: 197 / 292

19-17
IM CW140-E
Specifications
19
19.2 Specifications of Current Clamps
(3) Specifications of Clamp-on Probe (96032)
Model No. 960 32 (Clamp B)
Measurement range 0-1000 Arms AC (1414 Apk) 5 minutes
Output voltage 0-0.25 Vrms AC (0.25 mV/A)
Accuracy Amplitude ± 1.0%rdg ± 0.2 mV (45 Hz to 66 Hz)
Phase ± 1.0 ° (50 A or more, 45 Hz to 66 Hz)
(for temperature of 23 ° C ± 5 ° C, relative humidity of 35-75%, and sinewave input)
Temperature coefficient ± 0.05%/ ° C in ranges of 5-40 ° C
Maximum allowed current 1000 Arms AC : 5 minutes, 700 Arms AC :Continuous (45 Hz to 66 Hz)
Output impedance Approximately 100
Ω
(max.)
External magnetic field effects 0.5 A equivalent or less (at 400 A/m, 50/60 Hz)
Connector position effects ± 0.5% (at 200-1000 A, 45 Hz to 66 Hz)
Used circuit voltage 600 Vrms AC maximum
Withstand voltage 2.2 kVrms AC for one minute
(across core and casing, and across core and output)
Measurable connector diameter Ø65 mm maximum,
Bus bar: 65
⫻
70 mm max.
Operating temperature 5 to 40 ° C, 35 to 80% RH or less (no condensation)
and humidity ranges
Storage temperature -20 to 60 ° C, 90% RH or less (no condensation)
and humidity ranges
Operating altitude 2000 m max. above sea level
External dimensions Approx. 100 (W)
⫻
172.5 (H)
⫻
32 (D) mm
Weight Approx. 500g
Output cable length Approx. 3 meters
Accessory Instruction manual (1)
Ring markers (4 colors
⫻
2), L4007MG