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GENERAL INTRODUCTION
The Jenco Model 6309PDTF (pH, DO and Temperature) system is a rugged microprocessor
based meter assembled in a watertight ¼ DIN case, designed for use in laboratories and
process control applications.
The model 6309PDTF microprocessor allows the user to easily recalibrate the parameters for
the probes. The DO system requires only a single point calibration, regardless of which
dissolved oxygen display used. The microprocessor also performs a self-diagnostic routine
every time the user turns on the unit providing basic information about the stability of the meter.
The system simultaneously displays pH, DO, temperature, relay status and current output in one
graphic LCD screen. The LCD also includes a backlight for low-lit environments. This system
uses pH electrode for the pH, a “polygraphic clark” membrane for the DO and a precise
thermistor for temperature, providing the user with accurate readings for all measurements.
The model 6309PDTF is equipped with 5 relays (2 programmable high/low action relays for pH.
2 programmable high/low relays for DO and 1 programmable high/low relay for temperature). All
relays are hysteresis driven and configurable to CENTER or EDGE mode. The system also has
an isolated 4-20 mA analog output, offset and span configurable for the pH or DO display.
The model 6309PDTF comes with a RS485 interface which can easily let the user log all data
(from multiple model 6309 or 6308) with an PC.
ASSEMBLY
Carefully unpack the meter 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.
A. Mounting Procedure
1. Make a cutout on any panel, with
a thickness of 1/16 in. (1.5 mm) to
3/8 in. (9.5mm).
2. Remove the mounting assembly
from the controller and insert the
controller into the cutout.
3. Replace the mounting bracket
assembly onto the controller and
secure the controller to the
mounting panel.
