
PN 4276679 August 2012, Rev. 1, 1/17
© 2012-2017 Fluke Corporation. All rights reserved.
789/787B
ProcessMeter™
Quick Reference Guide
XW Warning
To prevent possible electrical shock, re, or personal
injury, read the “789/787B Safety Information” before
you use this Product.
» Consult user documentation.
Go to www.uke.com to register your product and nd
more information.
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
BEEP
1
2
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
1x =
2x =
3x =
1
2
3
4 x AA
Alkaline
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
0%
RANGEHOLD
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 Fuse
Use Ohm-meter to
test each fuse if
reading is .
mA
Fuse 2 (A)
1
2
3
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
1
2

0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
Shorted
Reverse Bias
Forward Bias
Bad Diode
Bad Diode
Open
1
2
2
2
2
1
1
1
0%
RANGEHOLD
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
60
Power Supply
COM
+24V
TEST DC PWR
+
–
–+
0%
RANGEHOLD
REL
MIN MAX
Hz
100%
789
PROCESSMETER
for optional
250 Ω HART
1
2
= conventional current flow.