Fluke 77IV Series Specifications

Fluke 77IV Series
Digital Multimeter
Extended specifications

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 1000 V
terminal and earth ground
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 In an RF field of 3 V/M, accuracy = specified accuracy
except in temperature: specified accuracy ± 5 °C, ± 9 °F
(EN 61326-1:1997)
Relative humidity (maximum 90 % to 35 °C; 75 % to 40 °C; 45 % to 50 °C
non-condensing)
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,
Overload
Function Impedance
Protection 1
(Nominal)
Volts ac 1000 V
> 10 MW
< 100 pF
Volts dc 1000 V > 10 MW
< 100 pF
mV 1000 V 2 > 10 MW
< 100 pF
Open Circuit
Test Voltage
Ohms/ 1000 V 2 < 8.0 V dc
Capacitance
Continuity/ 1000 V 2 < 8.0 V dc
Diode test
7
1 10 V-Hz maximum.
2 For circuits < 0.3 A short circuit. 660 V for high energy circuits.
Function Overload Protection
mA Fused, 440 mA, 1000 V FAST Fuse
A Fused, 11 A, 1000 V FAST Fuse
(N10140), VDE
N10140
Input
Common Mode Rejection
Ratio (1 kW 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 MW 50 MW
< 660 mV dc < 4.6 V dc
2.4 V dc
Overload
600 mA overload for 2 minutes
maximum, 10 minutes rest.
20 A overload for 30 seconds maxi-
mum, 10 minutes rest.
Function
AC volts
(average
responding)
DC mV
DC volts
Continuity
Ohms
Diode test
Capacitance
AC amps 2
(average
Normal Mode responding)
Rejection
DC amps 2
> 60 dB @
50 Hz or 60 Hz
Hz 5
(ac voltage
> 60 dB @
input)
50 Hz or 60 Hz
Short Circuit
MIN MAX AVG
Current
< 1.1 mA
< 1.1 mA
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.

Technical Data

Accuracy
Range Resolution ± ( [ % of Reading ]
+ [ Counts ] )
6.000 V 0.001 V
60.00 V 0.01 V 2.0 % + 2 (45 Hz to
600.0 V 0.1 V 1 kHz)
1000 V 1 V
600.0 mV 0.1 mV 0.3 % + 1
6.000 V 0.001 V
60.00 V 0.01 V
0.3 % + 1
600.0 V 0.1 V
1000 V 1 V
600 W 1 W
Meter beeps at
<25 W, beeper turns
off at >250 W;
detects opens or
shorts of 250 µs or
longer.
600.0 W 0.1 W
0.5 % + 2
6.000 kW 0.001 kW 0.5 % + 1
0.5 % + 1
60.00 kW 0.01 kW
0.5 % + 1
600.0 kW 0.1 kW
6.000 MW 0.001 MW 0.5 % + 1
50.00 MW 0.01 MW 2.0 % + 1
2.400 V 0.001 V 1 % + 2
1000 nF 1 nF 1.2 % + 2
10.00 µF 0.01 µF 1.2 % + 2
100.0 µF 0.1 µF 1.2 % + 2
9999 µF 1 1 µF 10 % typical
60.00 mA 0.01 mA
400.0 mA 3 0.1 mA 2.5 % + 2 (45 Hz to
6.000 A 0.001 A 1 kHz)
10.00 A 4 0.01 A
60.00 mA 0.01 mA
400.0 mA 3 0.1 mA
1.5 % + 2
6.000 A 0.001 A
10.00 A 4 0.01 A
99.99 Hz 0.01 Hz
999.9 Hz 0.1 Hz
0.1 % + 1
9.999 kHz 0.001 kHz
99.99 kHz 0.01 kHz
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.
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up and running.
©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
™