Fluke 117 Fluke 114,115,117 Manual - Page 25

Open Circuit Test Voltage, Common Mode Rejection Ratio

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True-rms Multimeters General Specifications Function Volts AC Volts DC Auto-V LoZ Ohms Diode Test Table 2. Input Characteristics Input Impedance (Nominal) >5 MΩ 10 MΩ 60 dB at dc, 50 or 60 Hz >100 dB at dc, 50 or 60 Hz ~3 kΩ 60 dB at dc, 50 or 60 Hz Open Circuit Test Voltage

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True-rms Multimeters
General Specifications
23
Table 2. Input Characteristics
Function
Input Impedance
(Nominal)
Common Mode Rejection Ratio
(1 k
Ω
Unbalanced)
Normal Mode
Rejection
Volts AC
>5 M
Ω
<100 pF
>60 dB at dc, 50 or 60 Hz
Volts DC
>10 M
Ω
<100 pF
>100 dB at dc, 50 or 60 Hz
>60 dB at 50 or 60
Hz
Auto-V LoZ
~3 k
Ω
<500 pF
>60 dB at dc, 50 or 60 Hz
Open Circuit Test Voltage
Full Scale Voltage
Short Circuit
Current
To 6.0 M
Ω
40 M
Ω
Ohms
<2.7 V dc
<0.7 V dc
<0.9 V dc
<350
μ
A
Diode Test
<2.7 V dc
2.000 V dc
<1.2 mA