PN 4276679 August 2012, Rev. 1, 1/17© 2012-2017 Fluke Corporation. All rights reserved.
789/787BProcessMeter™
Quick Reference GuideXW Warning
To prevent possible electrical shock, fire, or personal injury, read the “789/787B Safety Information” before you use this Product.
» Consult user documentation.
Go to www.fluke.com to register your product and find more information.
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
BEEP
12
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
10
1x =2x =3x =
1
2
3
4 x AAAlkaline
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
Fuse 1 Fuse 1 and 2
Fuse Good = <2 MΩ
Replace Fuse 1 if reading is OL
Check FuseUse Ohm-meter to test each fuse if reading is .
mA
Fuse 1 (mA)Fuse 2 (A)
1
2
3
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
1 2
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
Shorted
Reverse BiasForward Bias
Bad DiodeBad Diode
Open
Good Diode Good Diode
1
2
2
2
21
1 1
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
40
20
0 100
80
60
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
40
20
0 100
80
60dc V Power Supply
COM +24V
TEST DC PWR+ –
–+
0%
RANGE HOLD
REL
MIN MAX
Hz
100%
789 PROCESSMETER
for optional250 Ω HART
1 2
= conventional current flow.
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