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HT Instruments HT79 Manuel D'utilisation page 36

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7. TECHNICAL SPECIFICATIONS
7.1.
TECHNICAL CHARACTERISTICS
Accuracy indicated as [%reading + (number of digits*resolution)] at 23°C±5°C, <80%RH
DC Voltage (Autorange)
Range
Resolution
50.00V
0.01V
300.0V
0.1V
AC TRMS Voltage (Autorange)
Range
Resolution
50.00V
0.01V
300.0V
0.1V
Input impedance: 1M
DC Current (Autorange)
Range
300.0mA
3,000A
10.00A
Influence of external magnetic field: < 1.0mA ; Influence of clamp jaw opening/closing: < 1.0mA
AC TRMS Current (Autorange)
Range
300.0mA
3,000A
20.00A
Protection against overcharge: 20Arms
Resistance and Continuity test (Autorange)
Range
Resolution
500.0
0.1
5.000k
0.001k
50.00k
0.01k
500.0k
0.1k
7.1.1. Electrical characteristics
Conversion type:
Sampling frequency:
7.1.2. Reference standards
Safety:
EMC:
Insulation:
Pollution level:
Max operating altitude:
Measurement category:
Accuracy
(1.0%rdg + 2digits)
Accuracy
(1.2%rdg+5digits)
Resolution
0.1mA
0,001A
0.01A
Resolution
0.1mA
0,001A
0.01A
Accuracy
(1.0%rdg + 2digits)
TRMS
2 times per second
IEC/EN61010-1
IEC/EN61326-1
double insulation
2
2000m (6562ft)
CAT IV 300V
EN - 16
Input impedance
1M
Bandwidth
40Hz ÷ 1kHz
Accuracy
(1.0%rdg+10digits)
(3.0%rdg+10digits)
Accuracy
(1.0%rdg+5digits)
Buzzer
<100
HT79
Protection against
overcharge
300VDC/ACrms
Protection against
overcharge
300VDC/ACrms
Protection against
overcharge
10ADC
Bandwidth
50Hz ÷ 60Hz
Protection against
overcharge
300VDC/ACrms

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