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Fluke 787 Manual De Usuario página 2

Multímetros de procesos
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Fluke 789
ProcessMeter
Double your power.
The Fluke 787 ProcessMeter was the
first tool to combine a loop calibrator
with a DMM to give process techni-
cians double the power in one tool.
Now it's even better – the ultimate
loop calibration multimeter – the
Fluke 789 ProcessMeter.
The 789 has a display that's not
only twice as large, but also twice as
bright with two levels of backlighting.
And with its built-in, selectable
®
250 ohm HART
resistor, it eliminates
the need to carry a separate resistor
with you.
Now process technicians can do a
lot more while carrying a lot less.
Key new features of the Fluke 789
24 V Loop power supply
HART mode setting with loop power
(adds 250 ohm resistor)
100 % larger dual display
1200 ohm drive capability on mA source
Enhanced backlight with two brightness
settings
0-100 % mA Span Check buttons to toggle
between 4 and 20 mA
Infrared I/O serial port compatible with
FlukeView
®
Forms Software Version 2.1
(available Feb. 2003)
Externally accessible fuses for easy replacement
Designed and
Conforms to
IEC 1010-1
1000V
N10140
CAT III
These 787 features are also included in the 789
DMM designed to meet 1000 volt IEC 1010
CAT III standards
Precision 1000 V, 440 mA True-rms digital
multimeter
Frequency measurement to 20 kHz
Min/Max/Average/Hold/Relative modes
Diode Test and Continuity Beeper
Simultaneous mA and % of scale readout
20 mA dc current source / loop calibrator /
simulator
Manual Step (100 %, 25 %, Coarse, Fine) plus
Auto Step and Auto Ramp
Externally accessible battery for easy battery
changes
R
LISTED
950 Z
Technical Data

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789