Preparation for Use
2-3
10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440
-466-
6100 ● FAX 440
-466-
6110 ● [email protected]
CAUTION
THREE (3) AA 1.5 V BATTERIES ARE USED WITH THE INSTRUMENT. OBSERVE THE FOLLOWING WHEN
INSTALLING OR REMOVING THE BATTERIES.
Always change the product’s batteries outside Ex Hazardous areas.
Always turn the instrument off and disconnect any input connections before replacing
the batteries. Re
-
install the battery compartment cover before resuming use of the
instrument.
The battery compartment is sealed with a rubber gasket. Use care to not damage the
gasket when removing or installing the battery compartment cover.
Remove the batteries when storing the instrument for an extended period or in a
high temperature environment to prevent battery leakage and possible damage to
the instrument.
Use only Zinc
-
Manganese Dioxide or Alkaline
-
Manganese Dioxide AA cells that have
been tested by a nationally recognized laboratory to meet the requirements of UL
60079-
11, Sixth Edition.
Use of any other battery will invalidate the Type Certificate and create a hazardous
condition. The only batteries that TEGAM, Inc. has secured such testing, which are
approved for use in the 720A, are listed on the Type Certificate. They are:
•
Energizer E91
•
Duracell MN1500
Observe proper polarity when installing batteries.
Refer to
Section 3.2, Battery Installation and Replacement
, for battery installation detail.
Safety Notices and Information continued on next page . . .
