Ht-instruments HT77N Manual do Utilizador descarregar pdf (Página 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

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