×1L
b1:×1 L/h
b2:×1 L/min
IMPORTANT
When you replace batteries, contact
your nearest OVAL designated service
station and use dedicated battery
packs.
WARNING
This dedicated battery pack is of
intrinsic safety explosionproof
configuration. Never attempt to
disassemble it.
◎
Two types of dedicated battery packs are available.
Battery pack without external output
(4 batteries)
Battery pack with external output
(1 battery)
Appearance
Life (with battery
operated)
Approx. 8 years
Approx. 2 years
Applicable range
Applicable to the battery pack without
external output (Usable for the battery
pack with external output)
Applicable to the battery pack with
external output (Not usable for the
battery pack without external output)
Dedicated
Battery
Pack
Electronics
Unit
B-144-12-E
37
13.2 Battery Pack Replacement
IMPORTART: If your meter is of externally powered type, turn off power first.
13. BATTERY REPLACEMENT PROCEDURE
13.1 About the Battery
(1) When the batteries have weakened to nearly their end of life, a low battery warning message "BATT"
appears on the register display. At this prompt, your are urged to replace the battery pack within a
week.
(2) This dedicated battery pack is provided with a connector. Other commercially available batteries
cannot be used. Be sure to use the battery pack dedicated to this register.
CAUTION: The built-in battery is good
for 8 years appros. (depending on the
operating and environmental condition),
run continuously with no external power
supply.
①
Take off four hex socket head
bolts on the front face of the
register and remove the cover.
②
Using screwdriver, take off two
fitting screws holding the elec-
tronics unit.
③
Holding the electronics unit in
both hands, carefully draw it out.
Be careful not to damage the
sensor leads connected.
④
Uncouple the connector from the sensor unit at
back of the electronics unit and take off five screws
as shown.
⑤
Carefully draw the dedicated battery pack out.
⑥
Install a new battery pack.
Make sure of the connector location. Forcibly
installation may damage the connector or cause
poor electrical contact.
"BATT
" com
es on
.
