Electro-Chemical Devices (ECD) L20 - Manual (Page 4)

Powering the Unit
The model pH6175 can be powered by an 115V or 230VAC adaptor
as well as 6 “AAA” alkaline batteries. Check the label on the AC 3
adaptor supplied with the instrument to make sure that the AC line
voltage is correct. If the wrong AC adaptor is supplied, notify your
ECD representative immediately.
Installing the Batteries
The Model L20 pH meter is packaged with 6 “AAA” alkaline
batteries required for operation. To insert the batteries into the
meter, follow the procedure outlined below.
1. Use two hands to flip the buckles and battery cover to
expose the battery compartment. (Figure 1)
2. Note the polarity and insert the batteries into the battery
compartment correctly.
3. Replace the battery cover.
Figure 1
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