Hanna Instruments HI 21 Series, Инструкция по эксплуатации

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© 2002 Hanna Instruments
All rights are reserved. Reproduction in whole or in part is prohibited without the
written consent of the copyright owner.
Dear Customer,
Thank you for choosing a Hanna Instruments Product.
Please read this instruction manual carefully before using the
instrument. It will provide you with the necessary information
for the correct use of the instrument, as well as a precise
idea of its versatility.
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.
MODELS
The models HI21XYZ are pH controllers, while the models
HI22XYZ are ORP controllers.
HI21111 pH Controller with single setpoint, ON/OFF
control, analog output
HI21211 pH Controller with dual setpoint, ON/OFF
control, analog output
HI21221 pH Controller with dual setpoint, propor-
tional and ON/OFF controls, analog output
HI21222 pH Controller with dual setpoint, propor-
tional and ON/OFF controls, RS485 output
HI21523 pH Controller with control through analog
output, proportional and ON/OFF controls,
analog and RS485 outputs
HI22111 ORP Controller with single setpoint, ON/OFF
control, analog output
HI22122 ORP Controller with single setpoint, propor-
tional and ON/OFF controls, RS485 output