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Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA.
Dear Customer,
Thank you for choosing a Hanna Instruments product.
This instruction manual has been written for the following products
:
HI700221-
α
EC controller with dual setpoint, ON/OFF and PID controls, analog
output.
HI700222-
α
EC controller with dual setpoint, ON/OFF and PID controls, RS485
port
.
HI710221-
α
EC and TDS controller with dual setpoint, ON/OFF and PID controls,
analog output
.
HI710222-
α
EC and TDS controller with dual setpoint, ON/OFF and PID controls,
RS485 port
.
α
=
1 means 115 Vac, 50/60 Hz power supply
α
=
2 means 230 Vac, 50/60 Hz power supply
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:
