UNI DM-1170A, Руководство по эксплуатации

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7. SPECIFICATIONS
7.1 Electrical Specifications
The accuracy is specified for one year after calibration at operating temperature of 18
℃
to 28
℃
, with humidity
at 0%~75%.
DCV
Range Resolution Accuracy Remarks
80mV 1 μ V ±(3% rdg+10)
Input impedance:
80mV~800mV: >1000M
Ω
8V~1000V: 10M Ω
800mV 10 μ V
±(0.05% rdg+5) 8V 0.1mV
80V 1mV
800V 10mV
±(0.08% rdg+10)
1000V 0.1V
ACV (True RMS)
Range Resolution
Accuracy
<75% Range
@50Hz~20kHz <75% Range
@20kHz~50kHz >75% Range
@50Hz~20kHz
80mV 1 μ V ±(0.8% rdg+50) ±(6.0% rdg+50) ±(8.0% rdg+50)
800mV 10 μ V ±(0.8% rdg+50) ±(5.0% rdg+50) ±(8.0% rdg+50)
8V 0.1mV ±(0.8% rdg+50) ±(5.0% rdg+50) ±(8.0% rdg+50)
80V 1mV ±(0.8% rdg+50) ±(8.0% rdg+50)
750V 10mV
<90% Range@50Hz~1kHz: ± (0.8% rdg+50)
>90% Range@50Hz~1kHz: ± (5.0% rdg+50)
Remarks:
Input impedance: 80mV~800mV: >1000M
Ω ; 8V~1000V: DC10M Ω . Parallel capacitance: <100pF.
DCA
Range Resolution Accuracy Remarks
80mA 1 μ A ±(0.2% rdg+10)
Fuse: F750mA/250V and F13A/250V
Voltage drop:
≤ 800mV
Max. input current: 20A (<15 seconds)
800mA 10 μ A ±(0.2% rdg+10)
8A 0.1mA ±(0.8% rdg+10)
20A 1mA ±(1.5% rdg+10)
ACA (True RMS)
Range Resolution Accuracy Remarks
80mA 1 μ A
50Hz~5kHz
±(0.8% rdg+20)
Fuse: F750mA/250V and F13A/250V
Voltage drop:
≤ 800mV
Max.input current: 20A (<15 seconds)
800mA 10 μ A
8A 0.1mA
50Hz~500Hz
±(1.5% rdg+20)
20A 1mA
50Hz~500Hz
±(2.0% rdg+20)
dBm
Range Resolution Accuracy
-80.00dBm~+80.00dBm 0.01dBm ±1.0% rdg