Fluke 77 Series IV User Manual page 17

Model 77 Series IV
Users Manual
Function Overload Protection
Volts AC 1000 V
Volts DC 1000 V
mV 1000 V
Ohms/Capacitance 1000 V
Continuity/Diode test 1000 V
7
[1] 10 V-Hz maximum.
[2] For circuits <0.3 A short circuit. 660 V for high energy circuits.
Function
mA
A
14
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Input Impedance Common Mode Rejection Ratio
[1]
(Nominal)
>10 MΩ <100 pF >60 dB @ dc, 50 Hz or 60 Hz
>10 MΩ <100 pF >120 dB @ dc, 50 Hz or 60 Hz
[2]
>10 MΩ <100 pF >120 dB @ dc, 50 Hz or 60 Hz
Open Circuit Test
Voltage
6.0 MΩ
[2]
<8.0 V dc <660 mV dc
[2]
<8.0 V dc
Overload Protection
Fused, 440 mA, 1000 V FAST Fuse
Fused, 11 A, 1000 V FAST Fuse
Fluke-Direct
Normal Mode Rejection
(1 kΩ Unbalanced)
>60 dB @ 50 Hz or 60 Hz
>60 dB @ 50 Hz or 60 Hz
Full Scale Voltage To:
Short Circuit Current
50 MΩ
<4.6 V dc <1.1 mA
2.4 V dc <1.1 mA
Overload
600 mA overload for 2 minutes maximum, 10
minutes rest.
20 A overload for 30 seconds maximum, 10
minutes rest.
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