HF scientific MicroTPI Field Portable Turbidimeter (Old) - Manual (Page 16)

6.2 Battery Replacement
The instrument will periodically require new batteries to function properly. This will be
indicated with a flashing battery indicator on the display. To replace the batteries:
1. Turn the instrument off and place it upside down on a soft surface.
2. Remove the two screws (A) securing the battery cover (B). Lift cover off.
3. Remove the old batteries. Place four new AAA batteries (C) into the battery
compartment (ensuring the correct polarity).
4. Replace the battery cover and fasten the two screws carefully to ensure a watertight
seal.
5. Dispose of used batteries in accordance with all federal, state and local regulations.
Figure 3: Detailed view of the battery compartment
Ref. 22666 (12/04)
Rev. 1.4
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