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Product Manual - Page 1
All rights reserved. All product names are subject to change without notice. MyFlukeStore Shop for Fluke products online at: www.
.com 1.888.610.7664 Specifications are trademarks of their respective companies.
789/787B ProcessMeter™ Calibration Manual
September 2002, Rev. 2, 1/17
© 2002-2017 Fluke Corporation.
Product Manual - Page 4
789/787B
Calibration Manual
How to Restore the Default Password 35 Meter Keys Used in the Calibration Steps 36 Calibration Adjustment 36 Replacement Parts and Accessories 38
ii
MyFlukeStore Shop for Fluke products online at: www.
.com 1.888.610.7664
Product Manual - Page 5
... information
• Specifications
• Basic maintenance (cleaning, replacing the batteries and fuses)
• Calibration verification test procedures
• Calibration adjustment procedures
• Accessories and replaceable parts
All illustrations in this manual show the 789.
The Calibration Manual for handling static sensitive devices. For complete operating instructions, refer to...
Product Manual - Page 6
...locked before you use only as the Product.
2
MyFlukeStore Shop for Fluke products online at: www.
.com 1.888.610.7664 A Caution ...; Replace the batteries when the low battery indicator shows to prevent incorrect measurements. • Comply with local and national safety codes. 789/787B
Calibration Manual
Safety...instructions. • Do not alter the Product and use the Product.
Product Manual - Page 8
... III is applicable to the distribution part of the low-voltage MAINS installation. The affixed label indicates that you...
Double Insulated
Measurement Category II is classed as unsorted municipal waste.
4
MyFlukeStore Shop for Fluke products online at the source of electric shock. 789/787B
Calibration Manual
Symbol
...
Product Manual - Page 10
... ±(% of amplitude range. 789/787B
Calibration Manual
AC Current Measurement
Range 45 Hz to 2 kHz
Resolution
Accuracy, ±(% of Reading + Counts)
1.000 A (Note)
0.001 A
1 % + 2
Note: 440 mA continuous, 1 A 30 seconds maximum
Specifications are valid from 5 % to 100 % of Reading + Counts)
0.005 % + 1 0.005 % + 1 0.005 % + 1
6
MyFlukeStore Shop for Fluke products online at: www...
Product Manual - Page 17
... multimeter as required by their specifications.
5. Remove all connection diagrams for Fluke products online at: www.
.com 1.888.610.7664
Note Calibration verification tests for the digital multimeter identified in the required equipment listed in this manual.
4. Make sure that the person performing the tests has read the 789/787B Users Manual, knows how to select...
Product Manual - Page 18
Turn the rotary knob of the UUT and verify it is >29.2 V and 23.8 V and 24 mA and 789/787B
Calibration Manual
Loop Power Test (789 only) 1. Measure the open circuit voltage of the UUT to LOOP POWER. 3. Enable the dc volts autorange function of the multimeter. 2.
Product Manual - Page 20
...
ENTER
SETUP RESET
NEW REF
CE
MEAS TC
MORE MODES
MULT
DIV
x
÷
EDIT FIELD
POWER
I O
Figure 4. Put the calibrator in the position.
3. Connect the calibrator to the COM and mA terminals on
the UUT to the acceptable readings shown.
5. Press J (BLUE) on the UUT to the acceptable readings shown. 789/787B
Calibration Manual
Current...
Product Manual - Page 22
789/787B
Calibration Manual
789 PROCESSMETER
100%
MIN MAX
RANGE
HOLD
0%
REL
Hz
5520A CALIBRATOR
5522A
NORMAL
AUX
SCOPE
V, , ,RTD A, -SENSE, AUX V
OUT
HI
LO TRIG
GUARD
20A
20V PK MAX
TC 20V PK MAX
STBY
OPR
EARTH EXGRD SCOPE
PREV MENU
7
8
9
µ
dBm
sec
m
V
Hz
4
5
6
n
W
¡F
k
A
¡C
p
1
2
3
M
F
+/
0
•
SHIFT
ENTER
SETUP RESET
...
Product Manual - Page 24
...161;C
p
1
2
3
M
F
+/
0
•
SHIFT
ENTER
SETUP RESET
NEW REF
CE
MEAS TC
MORE MODES
MULT
DIV
x
÷
EDIT FIELD
POWER
I O
Figure 7. Resistance Measurement Test Connections
adm004F.EPS
20
MyFlukeStore Shop for Fluke products online at: www.
.com 1.888.610.7664 789/787B
Calibration Manual
Resistance Measurement Test 1. Apply the calibrator resistance values in Table 8 in...
Product Manual - Page 26
...
F
+/
0
•
SHIFT
ENTER
SETUP RESET
NEW REF
CE
MEAS MORE
TC
MODES
MULT
DIV
x
÷
EDIT FIELD
POWER
I O
Figure 8. 789/787B
Calibration Manual
DC Millivolts Measurement Test 1. Put the UUT...calibrator in the U position. 3.
DC mV Test
Calibrator DC Voltage 100 mV 300 mV
Minimum Reading 99.7 mV 299.5 mV
Maximum Reading 100.3 mV 300.5 mV
22
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Product Manual - Page 30
... before handling the test connections or test cables.
• Some of the calibration adjustment procedures involve the use the ProcessMeter if it .
• Check the test leads for Fluke products online at: www.
.com 1.888.610.7664 789/787B
Calibration Manual
Calibration Adjustment
The following repair of the UUT or when the UUT fails the Performance Test.
Product Manual - Page 34
789/787B
Calibration Manual
Ohms Adjustment 1. Connect the ProcessMeter to the volt/ohm output of calibration mode. Note
Pressing the Calibration Button puts the ProcessMeter into and out of calibration mode. CAL appears in the bottom display when the ProcessMeter is in calibration mode until the unit is turned off or the calibration button is pressed a second time.
Press and...
Product Manual - Page 38
...problem. 2. Follow these components.
1. 789/787B
Calibration Manual
Static Awareness
Semiconductors and integrated circuits can be damaged by non-conductive edges.
• Never touch open-edge connectors except at a static-free work station.
• Keep parts... to minimize damage to help protect installed staticsensitive parts.
• Use anti-static type...
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