Hioki CM7290, Instruction Manual, Page: 72 / 80

Appx.8
Combined Accuracies (Representative values)
CM7290 (CM7291) + CT7131 Display accuracy
instrument range
Accuracy guaranteed range
of current measurement
AC function
45 Hz ≤ f ≤ 66 Hz
60.00 A
3.00
A ≤ I ≤ 60.00
A
±0.6% rdg. ±0.10
A
100.0 A
30.0
A < I ≤ 100.0
A
±0.6% rdg. ±0.8
A
Output accuracy
Instrument range
(output rate)
Accuracy guaranteed range of current measurement
AC function
W
AVE output (phase)
RMS output
W
AV
E
RMS
45 Hz ≤ f ≤ 66 Hz
60.00
A (10 mV/A)
0.00
A ≤ I ≤ 60.00
A
3.00
A ≤ I ≤ 60.00
A
±0.8 % rdg. ±1.0 mV (±1.2°)
±1.1% rdg. ±1.0 mV
100.0A
(1 mV/A)
0.0
A ≤ I ≤ 100.0
A
30.0
A ≤ I ≤ 100.0
A
±0.8 % rdg. ±0.82 mV (±1.2°)
±1.1% rdg. ±0.82 mV