HT instruments HT77N - Manual (Page 12)

HT77N
EN - 11
6. TECHNICAL SPECIFICATIONS
6.1. TECHNICAL CHARACTERISTICS
Accuracy indicated as [%reading + (digit number*resolution)] at 23°C±5°C, < 80%RH
AC TRMS current
Range Resolution
Accuracy
(50  60Hz)
Accuracy
(61  400Hz)
6mA (*) 0.001mA
 (1% rdg+8dgt)  (2% rdg+11dgt)
60mA 0.01mA
600mA 0.1mA
6A 0.001A
60A 0.01A
0  10A
 (1% rdg+8dgt)
10  50A
 (2% rdg+10dgt)
50  100A
 (10% rdg+10dgt)
0  10A
 (2% rdg+11dgt)
10  50A
 (10% rdg+11dgt)
50  100A
 (35% rdg+11dgt)
100A 0.1A
(*) With this capacity there may be an instability of 3 digits in readings
Frequency range: 50  400Hz
Overload protection: 600V rms
Error due of position cable not in center of jaws: 1%rdg
Error due to the influence of an external magnetic field of an adjacent conductor: 0.04% (typical value)
Response time PEAK HOLD feature: 50ms
Additional error due to the Crest Factor (CF) of non-sinusoidal signals:
C.F: 1.4  2.0  Add 1.0%rdg
C.F: 2.0  2.5  Add 2.5%rdg
C.F: 2.5  3.0  Add 4.0%rdg
Max. Crest Factor:
1.6 with 6000 ~ 5000 digits
2.0 with 5000 ~ 3000 digits
3.0 with 3000 ~ 0 digits
AC current with low-pass filter
Range Resolution
Accuracy
(50  60Hz)
Accuracy
(61  400Hz)
6mA (*) 0.001mA
 (2% rdg+8dgt)
Not specified
60mA 0.01mA
600mA 0.1mA
6A 0.001A
60A 0.01A 0  10A
 (2% rdg+8dgt)
10  50A
 (3% rdg+10dgt)
50  100A
 (12% rdg+10dgt)
100A 0.1A
(*) With this capacity there may be an instability of 3 digits in readings
Characteristic attenuation: approx. -24dB/oct
Cutting frequency: approx. 100Hz
Overload protection: 600V rms