General Tools and Instruments DPH230SD - Manual (Page 4)

• Big (2.5 in. diagonal) front-panel green backlit LCD is easy to read
• Auto power off function
• Powered by six “AA” batteries or optional 9V AC/DC adapter
OPERATING INSTRUCTIONS
WHAT’S IN THE CASE
The DPH230SD comes fully assembled in a carrying case along with a 2 GB SD memory
card and this user’s manual.
Optional accessories available from General Tools & Instruments include pH electrodes, a
probe that enables automatic temperature compensation (ATC) of pH electrodes, an ORP
electrode, pH 4 and pH 7 buffer solutions, and a 9VDC adapter for a 110V power supply.
See the Optional Accessories section of this manual for more details.
Figure 1 shows all of the controls and indicators on the front, back, top, bottom and right
side of the DPH230SD. Familiarize yourself with the positions and functions of these
controls, indicators and connectors before moving on to the setup procedure.
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TOP
RIGHT
SIDE
BACK BOTTOM
FRONT
Fig. 1. The DPH230SD’s controls and indicators and other physical features