Burden Voltage (A, Ma, Μa); Input Characteristics - Fluke 87 IV Series Service Manual

87 & 89 Series IV
Service Manual
Burden Voltage (A, mA, µ A)
Function
mA - µA
A

Input Characteristics

Function
Volts, mV
DC Volts, mV
AC Volts, mV
Ohms
Diode Test
Ohms
Diode Test
10
Range
500.00 µA
5,000 µA
50.000 mA
400.00 mA
5.0000 A
10.000 A
Input Impedance (Nominal)
Common Mode Rejection Ratio
>100 dB -dc, 50 Hz, or 60 Hz ±0.1%
> 90 dB dc to 60 Hz
Open Circuit Test Voltage
< 5 V
< 5 V
Typical Short-Circuit Current
500 Ω
5 kΩ
100 µA 100 µA
Burden Voltage (typical)
102 µV / µA
102 µV / µA
1.8 mV / mA
1.8 mV / mA
0.04 V / A
0.04 V / A
10 MΩ, < 100 pF
Normal Mode Rejection
>90 dB at 50 Hz, or 60 Hz ± 0.1%
Full-Scale Voltage
To 5 MΩ
500 mV
50 kΩ 500 kΩ
10 µA 1 µA
0.8 mA typical
30 MΩ + nS
3.1 V
3.1000 V
5 MΩ 30 MΩ
0.1 µA 0.1 µA