LaMotte pH Waterproof Testr 1 Meter - Manual (Page 6)

Changing the Batteries
The battery compartment is located under the cap with the lanyard loop.
6
1. 2.
3. 4.
Firmly grip the cap
and the Testr body
with dry hands.
Slowly twist the cap
counter-clockwise.
The cap must be
tight to ensure a
watertight seal so it
will require some
effort to loosen it.
Remove
the old
batteries by
pulling up
the cloth
tab.
Reposition cloth tab and insert new
batteries. Note polarity. Tuck in the
cloth tab.
Replace the cap.
Tighten until the
black O-ring is
completely hidden
under the cap and
the lanyard loop is
lined up with the
face plate.
W
ATERPROOF
pH
T
est
r
1
ON OFF
CAL
HOL
D
CON
ON OFF
CAL
HOL
D
CON
W
ATERPROOF
pH
T
est
r
1
+ - + - + -
+ - + - + -