Fluke 05-443, User Manual

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Digital Wall Mount-Area Monitor
Maintenance
17
Discriminator
The DISC potentiometer located under the calibration cover is used to set the
threshold for pulses coming from the detector. The desired pulse threshold
depends on the type of detector used. It is adjustable from 2.0 mV dc to
100 mV dc.
Battery Charge
The potentiometer labeled BAT , located under the calibration cover, is used to
set the backup battery trickle-charge voltage. This is typically set to 6.9 V dc with
the battery disconnected.
Maintenance

Warning
To prevent possible electrical shock, fire, or personal injury:
•
Do not operate the Product with covers removed or the
case open. Hazardous voltage exposure is possible.
•
Batteries contain hazardous chemicals that can cause
burns or explode. If exposure to chemicals occurs, clean
with water and get medical aid.
•
Have an approved technician repair the Product.
•
Use only specified replacement parts.
•
Do not touch the center pin of the detector connector
unless the unit has been turned off and power has been
removed for at least 1 minute.
•
Only certified technician or calibration personnel should
replace battery.
Cleaning Instructions and Precautions
The Product may be cleaned externally with a damp cloth using only water as the
wetting agent. Do not immerse the instrument in any liquid. Observe the following
precautions when cleaning:
1. Turn the instrument OFF and disconnect the instrument power cord.
2. Allow the instrument to sit for 1 minute before cleaning.
Replacement of Mains Fuse
Fuses should be changed by a maintenance technician approved by the
manufacturer only.

Warning
For continued protection against the risk of fire, replace only
with fuse of the specified type and current rating.