Introduction:
The HydroLite® HL101 is a pocket-sized pH and temperature tester. This manual provides
instructions on use, with a step-by-step operating guide, as well as care and maintenance
instructions.
Components:
● HydroLite® HL101 pocket pH/temperature tester
● pH Buffer Solutions (pH4.01/7.00)
Keypad:
The HL101 pocket pH/temperature tester uses a simple three-button membrane keypad, with
graphical symbols to describe the function of each key.
Map of keys and functions:
KEY
FUNCTION
On/Off
Hold
● Power the unit ON/OFF
● Freezes the currently displayed value for recording; press the key again
to resume measuring.
● When in calibration mode, exits calibration and returns to measurement
mode.
Cal
● Press the key to enter the calibration mode.
● Press and hold the key to enter the setup menu.
● In the setup mode, press the key to select default options.
Enter
● Confirms the calibration or selected option.
