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HT77N
EN - 11
6. TECHNICAL SPECIFICATIONS
6.1. TECHNICAL CHARACTERISTICS
Accuracy indicated as [%r (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+10dgt)
10 50A
(10% rdg+10dgt)
50 100A
(35% rdg+10dgt)
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
Summary of Contents for HT77N
Page 1: ...Copyright HT ITALIA 2012 Release 1 02 11 12 2012 ...
Page 3: ...Copyright HT ITALIA 2012 Versione IT 1 02 11 12 2012 ITALIANO Manuale d uso ...
Page 17: ...Copyright HT ITALIA 2012 Release EN 1 02 11 12 2012 ENGLISH User manual ...
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