Hanna Instruments hi 931700 사용자 설명서

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HI 931700 and HI 932700 respectively are pH
and ORP panel-mounted indicators and con-
trollers designed for simplicity of use in a wide
range of industrial applications.

The models are panel mount designed with
membrane keypads on the front panel and a
12x30 mm LCD display. Connections to the
electrodes, power supply, contacts and re-
corders are made via the plug-in terminal
blocks on the rear panel.

The instruments are equipped with a BNC
socket and accept input direct from pH or ORP
electrode.

Other features include: recorder output 0 to
20 mA or 4 to 20 mA as indicated; LED indica-
tors which identify whether the controller is in
operation mode or selection mode.

Remove the instrument from the packing ma-
terial and examine it carefully to make sure
that no damage has occurred during shipping.
If there is any noticeable damage, notify your
Dealer.

Note: Save all packing materials until you

are sure that the instrument functions
correctly. All defective items must be
returned in the original packing materials
together with the supplied accessories.

Dear Customer,
Thank you for chosing a Hanna Instruments
Product.
Please read this instruction manual carefully
before using the instrument.
This manual will provide you with all the nec-
essary information for the correct use of the
instrument, as well as a precise idea of its
versatility in a wide range of applications.
These instruments are in compliance with 
directives EN 50081-1 and 50082-1.

Preliminary Examination ............................ 3

General Description ................................... 3

Functional Description HI 931700 .............. 5

Functional Description HI 932700 .............. 6

Mechanical Dimensions ............................. 8

Specifications HI 931700 ........................... 9

Specifications HI 932700 ........................... 9

Initial Preparation ..................................... 10

Operational Guide .................................... 12

Calibration ................................................ 13

Taking Redox Measurements ................... 16

Electrode Conditioning and Maintenance . 19

Temperature-Resistance Correlation for
HANNA pH Sensitive Glass ..................... 24

Suggested Installations ............................ 26

Accessories .............................................. 28

Warranty ................................................... 34

CE Declaration of Conformity .................. 35