Hanna Instruments pH 209, Instruction Manual, Page: 2 / 13

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pH 209 bench-top pH meter is designed for simplicity of use.
It features a large easy-to-read liquid crystal display (LCD) and user
friendly keyboard.
The pH calibration is made simple through the easy-to-operate front
panel knobs for offset and slope adjustment.
A front knob is provided for easy manual temperature compensation of
the pH reading.
pH 209 can also measure ion concentration (ISE) and ORP (Oxidation
Reduction Potential) in the mV range.
The range selection (pH, mV or °C for temperature compensation) is
made simple through the front membrane keyboard.
The large LCD is provided with arrows that quickly and clearly indicate
the selected range.
It is also available the model
pH209R with recorder output feature.
GENERAL DESCRIPTION
PRELIMINARY EXAMINATION
Remove the instrument from the packing material and examine it
carefully to make sure that no damage has occurred during shipping.
If there is any damage, notify your dealer.
Each meter is supplied complete with:
• HI 1332B plastic-body combination double-junction refillable
pH electrode with BNC connector and 1m (3.3') cable
• 12 Vdc adapter
• Instruction manual.
Note: Save all packing material until you are sure that the instru-
ment functions correctly. All defective items must be returned in
the original packing with the supplied accessories.
Dear Customer,
Thank you for choosing a Hanna Instruments Product.
Please read this instruction manual carefully before using the instru-
ment.
This manual will provide you with all the necessary information for the
correct use of the instrument, as well as a precise idea of its versatility
in a wide range of applications.
If you need additional technical information, do not hesitate to e-mail
us at
tech@hannainst.com .
These instruments are in compliance with the directives.
PRELIMINARY EXAMINATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
FUNCTIONAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
OPERATIONAL GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PH CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PH VALUES AT VARIOUS TEMPERATURES . . . . . . . . . . . . . . . . . . . .10
ELECTRODE CONDITIONING & MAINTENANCE . . . . . . . . . . . . . . . . . 11
TEMPERATURE-RESISTANCE CORRELATION
FOR HANNA pH SENSITIVE GLASS . . . . . . . . . . . . . . . . . . . . . . . . 14
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
ELECTRODE APPLICATION REFERENCE GUIDE . . . . . . . . . . . . . . . . . 21
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
CE DECLARATION OF CONFORMITY . . . . . . . . . . . . . . . . . . . . . . . . 23
TABLE OF CONTENTS