Page 1
Open Circuit
Test Voltage
Full Scale Voltage To:
Short Circuit
Current
6.0 MW 50 MW
Ohms/
Capacitance
1000 V
2
< 8.0 V dc < 660 mV dc < 4.6 V dc < 1.1 mA
Continuity/
Diode test
1000 V
2
< 8.0 V dc 2.4 V dc < 1.1 mA
1
107 V-Hz maximum.
2
For circuits < 0.3 A short circuit. 660 V for high energy circuits.
Fluke 77IV Series
Digital Multimeter
Extended specifications
Technical Data
General specifications
Accuracy is specified for 1 year after calibration, at operating temperatures of 18 °C to 28 °C,
with relative humidity of 0 % to 90 %. Accuracy specifications take the form of ± ( [ % of
Reading ] + [ Counts ] )
Maximum voltage between any
terminal and earth ground
1000 V
Surge protection 8 kV peak per IEC 61010
Fuse for mA inputs 440 mA, 1000 V FAST Fuse
Fuse for A input 11 A, 1000 V FAST Fuse
Display Digital: 6,000 counts, updates 4/sec;
Bar Graph: 33 segments, updates 32/sec
Frequency: 10,000 counts; Capacitance: 1000 counts
Altitude Operating: 2000 m; Storage: 12,000 m
Temperature Operating: -10 °C to +50 °C; Storage: -40 °C to +60 °C
Temperature coefficient 0.1 X (specified accuracy /°C) (< 18 °C or > 28 °C)
Electromagnetic compatibility
(EN 61326-1:1997)
In an RF field of 3 V/M, accuracy = specified accuracy
except in temperature: specified accuracy ± 5 °C, ± 9 °F
Relative humidity (maximum
non-condensing)
90 % to 35 °C; 75 % to 40 °C; 45 % to 50 °C
Battery life 400 hours typical (Alkaline)
Size (H x W x L) 4.3 cm x 9 cm x 18.5 cm
Weight 420 g
Safety compliances ANSI/ISA S82.02.01, CSA C22.2-1010.1, IEC 61010 to
1000 V Measurement Category III, 600 V Measurement
Category IV
Certifications CSA, TÜV (EN61010), UL, CE, (N10140), VDE
Function
Overload
Protection
1
Input
Impedance
(Nominal)
Common Mode Rejection
Ratio (1 kW Unbalanced)
Normal Mode
Rejection
Volts ac 1000 V
> 10 MW
< 100 pF
> 60 dB @ dc, 50 Hz or
60 Hz
Volts dc 1000 V
> 10 MW
< 100 pF
> 120 dB @ dc, 50 Hz or
60 Hz
> 60 dB @
50 Hz or 60 Hz
mV 1000 V
2
> 10 MW
< 100 pF
> 120 dB @ dc, 50 Hz or
60 Hz
> 60 dB @
50 Hz or 60 Hz
Function Range Resolution
Accuracy
± ( [ % of Reading ]
+ [ Counts ] )
AC volts
(average
responding)
6.000 V
60.00 V
600.0 V
1000 V
0.001 V
0.01 V
0.1 V
1 V
2.0 % + 2 (45 Hz to
1 kHz)
DC mV 600.0 mV 0.1 mV 0.3 % + 1
DC volts 6.000 V
60.00 V
600.0 V
1000 V
0.001 V
0.01 V
0.1 V
1 V
0.3 % + 1
Continuity
600 W 1 W
Meter beeps at
<25 W, beeper turns
off at >250 W;
detects opens or
shorts of 250 µs or
longer.
Ohms
600.0 W
6.000 kW
60.00 kW
600.0 kW
6.000 MW
50.00 MW
0.1 W
0.001 kW
0.01 kW
0.1 kW
0.001 MW
0.01 MW
0.5 % + 2
0.5 % + 1
0.5 % + 1
0.5 % + 1
0.5 % + 1
2.0 % + 1
Diode test 2.400 V 0.001 V 1 % + 2
Capacitance 1000 nF
10.00 µF
100.0 µF
9999 µF
1
1 nF
0.01 µF
0.1 µF
1 µF
1.2 % + 2
1.2 % + 2
1.2 % + 2
10 % typical
AC amps2
(average
responding)
60.00 mA
400.0 mA
3
6.000 A
10.00 A
4
0.01 mA
0.1 mA
0.001 A
0.01 A
2.5 % + 2 (45 Hz to
1 kHz)
DC amps
2
60.00 mA
400.0 mA
3
6.000 A
10.00 A
4
0.01 mA
0.1 mA
0.001 A
0.01 A
1.5 % + 2
Hz5
(ac voltage
input)
99.99 Hz
999.9 Hz
9.999 kHz
99.99 kHz
0.01 Hz
0.1 Hz
0.001 kHz
0.01 kHz
0.1 % + 1
MIN MAX AVG For dc functions, accuracy is the specified accu-
racy of the measurement function ± 12 counts for
changes longer than 275 ms in duration. For ac
functions, accuracy is the specified accuracy of the
measurement function ± 40 counts for changes
longer than 1.2 s in duration.
1
In the 9999 µF range for measurements to 1000 µF, the measurement
accuracy is 1.2 % + 2.
2
Amps input burden voltage (typical): 400 mA input 2 mV/mA,
10 A input 37 mV/A.
3
400.0 mA accuracy specified up to 600 mA overload.
4
> 10 A unspecified.
5
Frequency is specified from 2 Hz to 99.99 kHz. Below 2 Hz, the
display shows zero Hz.
Function Overload Protection Overload
mA Fused, 440 mA, 1000 V FAST Fuse 600 mA overload for 2 minutes
maximum, 10 minutes rest.
A Fused, 11 A, 1000 V FAST Fuse 20 A overload for 30 seconds maxi-
mum, 10 minutes rest.
©2006 Fluke Corporation. All rights reserved.
Specifications subject to change without notice.
Printed in U.S.A. 12/2006 2805757 D-EN-N Rev A
Fluke. Keeping your world
up and running.™
Loading...