HT Instruments HT401 Bedienungsanleitung Seite 47

DC Current
Range Resolution
60.00mA
600.0mA
6.000A
10.00A
AC TRMS Current
Range Resolution
60.00mA
600.0mA
6.000A
10.00A
For non-sinusoidal currents, add the same errors as AC TRMS voltage
PEAK HOLD feature: specified accuracy ±150dgt
AC + DC TRMS Current
Range Resolution
60.00mA
600.0mA
6.000A
10.00A
For non-sinusoidal signals, add the same errors as AC TRMS voltage
PEAK HOLD feature: specified accuracy ±150dgt
Frequency
Range Resolution
100.00Hz
1000.0Hz
10.000kHz
100.00KHz
Sensitivity: > > 5.0Vpp (VAC 1Hz ~ 10kHz); > 10Vpp ( VAC 10kHz ~ 100kHz); > 2mApp (ACmA); > 0.2App (ACA)
Resistance
Range Resolution
600.0
6.000k
60.00k
600.0k
6.000M
40.00M (*)
Test current : approx. 0.1mA
(*) Specified for measurements 1 hour after Auto-V test. Add 10dgt for measurements before this interval
(**) Small instability < ± 50dgt for measurements >10 M
Diode test
Range Resolution
2.000V
Accuracy
0.01mA
0.1mA
(0.8rdg+3dgt)
0.001A
0.01A
Accuracy
(50Hz 1kHz)
0.01mA
0.1mA
(1.2rdg+3dgt)
0.001A
0.01A
Accuracy
(50Hz 1kHz)
0.01mA
0.1mA
(2.0rdg+5dgt)
0.001A
0.01A
0.01Hz
0.1Hz
(0.1rdg+2dgt)
0.001kHz
0.01KHz
Accuracy (*)
(0.8rdg+5dgt)
0.1
0.001k
0.01k
(0.8rdg+2dgt)
0.1k
0.001M
(1.0rdg+5dgt)
0.01M
Accuracy
(1.5rdg+2dgt)
1mV
Measuring time
Measuring time
Measuring time
Accuracy
frequency
Maximum open
circuit voltage
(600 and 6k)
(other ranges)
Test
current
< 0.4mA
EN - 20
Protection against
overcharge
3min (A) max 440mA (mA)
10min (mA) max 11A (A)
Protection against
overcharge
3min (A) max 440mA (mA)
10min (mA) max 11A (A)
Protection against
overcharge
3min (A) max 440mA (mA)
10min (mA) max 11A (A)
Minimum Protection against
overcharge
1Hz 1000VDC/ACrms
Protection against
overcharge
2.5V
1000VDC/ACrms
0.6V
Open
Protection against
circuit
overcharge
voltage
<2.5V 1000VDC/ACrms
HT401