![JENCO 3321 Operation Manual Download Page 3](http://html.mh-extra.com/html/jenco/3321/3321_operation-manual_641898003.webp)
2
GENERAL INTRODUCTION
Thank you for selecting the JENCO Model 3321. The 3321 Conductivity/Resistivity
Controller is a rugged microprocessor based instrument assembled in a watertight 1/8
DIN case, designed for use in laboratories and process control applications.
The system displays Conductivity / Resistivity or Temperature status in one large LCD
screen.
The model 3321 microprocessor performs a self-diagnostic routine every time you turn
on the unit, it will provide you with basic information on the stability of the instrument.
The model 3321 is equipped with 2 control relays. All control relays are programmable
and hysteresis driven.
INITIAL INSPECTION
Carefully unpack the unit and accessories. Inspect for damages made in shipment. If
any damage is found, notify your
Jenco
representative immediately. All packing
materials should be saved until satisfactory operation is confirmed.