11
When battery replacement is required, the Instrument must be removed from
its case. To remove the case, proceed as follows:
1. Place Instrument face down on a soft padded surface.
2. Unscrew the four recessed screws located in each corner of the case.
3. Lift the case off the Instrument and set it aside.
4. Remove battery with mating connector from the holder.
5. Remove the old battery from the connector and insert the new battery into
the holder
3.4 Calibration
The Simpson 229-2 is a FACTORY SERVICE ONLY Instrument. If it is sus-
pected that the Instrument is not performing within rated accuracy specifica-
tions send Instrument to Simpson Electric Co. for service. Contact Simpson
Technical Support if you are uncertain about performance specifications or
operation of this Instrument.
3.5 Care
Daily
1. If something is spilled on the Instrument, immediately shut off the power
from the test setup, disconnect the test leads, and wipe the Instrument
clean and allow to dry. If the spillage is corrosive, use a suitable cleaner
to neutralize the corrosive action, and remove the spillage.
2. When Instrument is not in use, rotate the function/range selector switch to
the OFF position.
3. Whenever possible, avoid prolonged exposure or usage in areas sub-
ject to temperature and humidity extremes, vibration or mechanical shock,
dust or corrosive fumes, or strong electrical or electromagnetic interfer-
ences.
Quarterly:
1. Verify Instrument accuracy by performing operational checks using known
accurate, stable sources. If the need for recalibration is indicated, con-
tact your nearest Simpson Authorized Service Center.
2. If the Instrument has not been used for 90 days, check the batteries for
chemical leakage and replace if necessary.
Annually:
It is recommended that the Instrument be returned annually to your nearest
Simpson Authorized Service Center for a complete overall check, adjustment
and calibration.
Storage:
When not in use, store Instrument in a location free from temperature ex-
tremes, dust, corrosive fumes, and mechanical vibration or shock. If storage
time exceeds 90 days, remove the battery.
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