FLUKE-787 Fluke Electronics, FLUKE-787 Datasheet - Page 35
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FLUKE-787
Manufacturer Part Number
FLUKE-787
Description
PROCESS METER
Manufacturer
Fluke Electronics
Series
ProcessMeter™r
Type
Digital (DMM)r
Datasheet
1.FLUKE-787.pdf
(50 pages)
Specifications of FLUKE-787
Includes
Battery, Clips, Test Leads
Style
Handheld
Display Digits
3.75
Display Type
LCD
Display Count
4000
Function
Voltage, Current, Resistance, Frequency
Functions, Extra
Continuity, Diode Test
Features
Auto Off, Backlight, Hold, Min/Max/Ave
Ranging
Auto/Manual
Response
True RMS
Lead Free Status / RoHS Status
Lead free by exemption / RoHS compliant by exemption
Other names
Q4953585
Replacing a Fuse
Both current input jacks are fused with a separate 440 mA
fuse. To determine if a fuse is blown:
1.
2.
3.
4.
5.
To avoid personal injury or damage to the
meter, use only the specified replacement
fuse, 440 mA 1000V fast-blow, Fluke PN
943121.
Turn the rotary switch to mA A L.
Plug the black test lead into COM, and the red test
lead into cA.
Using an ohmmeter, check the resistance between
the meter test leads. If the resistance is about 1 , the
fuse is good. An open means the fuse is blown.
Move red test lead to dmA.
Using an ohmmeter, check the resistance between
the meter test leads. If the resistance is about 14 ,
the fuse is good. An open means the fuse is blown.
! Warning
If a fuse is blown, replace it as follows. Refer to Figure 11
as necessary:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Remove the test leads from the meter and turn the
rotary switch to OFF.
Remove the battery door.
Remove the three Phillips-head screws from the case
bottom and turn the case over.
Gently lift the bottom of the front of the case (nearest
the input/output jacks) until the top unsnaps from the
rear half of the case.
Replace the blown fuse with the exact type specified:
440 mA 1000V fast-blow fuse, Fluke PN 943121.
Both fuses are the same type.
Make sure the rotary switch is in the OFF position.
Fit the top of case together, engaging the two snaps
(item
seated.
Close the case and reinstall the three screws.
Replace the battery door.
). Make sure that the gasket is properly
ProcessMeter
Maintenance
31