Thermo Fisher Scientific Eutech DO 6 Plus - Manual (Page 11)

Instruction Manual DO 6+
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2.5 Battery Replacement
A low battery annunciator in the LCD alerts you when battery power is running
low. Caution: Power off the meter before replacing battery.
%
Low Battery Condition
2.6 Connecting the Electrode
1) To connect the electrode, align the connector slots with the posts of
meter’s socket and rotate connector clockwise until it locks.
2) To remove, rotate the connector in anti-clockwise direction until it
unlocks, and slide the connector off the socket.
3) Insert the mini phono jack of temperature sensor into the socket on the
meter as shown below.
BNC connector
2.5 mm mini phono
for temperature