Fluke 77 Calibration Information Manual page 6

Model 77 Series IV
Calibration Information
Function
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
6
Overload Input Impedance
[1]
(Nominal)
>10 MΩ <100 pF
>10 MΩ <100 pF
2
>10 MΩ <100 pF
Open Circuit Test
Voltage
2
< 8.0 V dc
2
<8.0 V dc
Overload Protection
Fused, 440 mA, 1000 V FAST Fuse
Fused, 11 A, 1000 V FAST Fuse
Common Mode Rejection Ratio
(1 kΩ Unbalanced)
>60 dB @ dc, 50 Hz or 60 Hz
>120 dB @ dc, 50 Hz or 60 Hz
>120 dB @ dc, 50 Hz or 60 Hz
Full Scale Voltage To:
6.0 MΩ 50 MΩ
<660 mV dc <4.6 V dc
2.4 V dc
600 mA overload for 2 minutes maximum, 10
minutes rest.
20 A overload for 30 seconds maximum, 10
minutes rest.
Normal Mode Rejection
>60 dB @ 50 Hz or 60 Hz
>60 dB @ 50 Hz or 60 Hz
Short Circuit Current
<1.1 mA
<1.1 mA
Overload