Hioki CM4371 Mode D'emploi page 68

Accuracy Table
Frequency (Measurement value/MAX/MIN/AVG)
Range (Accuracy guarantee range)
9.999 Hz (1.000 Hz to 9.999 Hz)
99.99 Hz (1.00 Hz to 99.99 Hz)
999.9 Hz (1.0 Hz to 999.9 Hz)
Auto range movement threshold: 9999 counts or more for upper range, 900 counts or less for lower range.
13
Continuity check (same for all models)
Continuity on threshold:
Continuity off threshold:
Conditions of guaranteed accuracy:
Response time:
Overload protection:
Overload current:
(Accuracy
Range
guarantee range)
Ω Ω
600.0 (0.0 to 600.0
64
Ω Ω
25 ±10 (continuous buzzer sound, red warning backlight lights up)
Ω Ω
245 ±10
After zero adjustment has been performed
Detection of open or short for 0.5 ms or more
Lower of 1700 V/1000 V AC or 2×10
30 mA or less at steady state, 1.5 A or less at transient state
Measurement
Resolution
current
Ω Ω
) 0.1 200 µA±20%
Resolution Measurement accuracy
0.001 Hz ±0.1% rdg.±0.003 Hz
0.01 Hz ±0.1% rdg.±0.01 Hz
0.1 Hz ±0.1% rdg.±0.1 Hz
7
V • Hz (energized for 1 minute)
Measurement
accuracy
±0.7% rdg.±0.5
Open terminal
voltage
Ω
2.0 V DC or less