Pt100, Pid1 – JULABO FT902 Immersion Coolers User Manual
Page 4
Operating manual
4
Operating manual
1. Intended
use
JULABO immersion coolers have been designed for temperature application to specific fluids
in a bath tank.
For example:
Dewar vessels, beakers, or other containers in conjunction
with
heating
circulators
for continuous countercooling
or
for
dry-ice
substitution.
JULABO immersion coolers are not suitable for direct temperature control of
foods, semi-luxury foods and tobacco, or pharmaceutical and medical products.
Direct temperature control means unprotected contact of the object with the bath
medium (bath fluid).
1.1. Description
PID1
Pt100
The immersion coolers are operated via the keypad. The implemented
microprocessor technology allows to set and to store the setpoint that can
be indicated on the LED temperature display.
The PID temperature control adapts the cooling supply to the thermal
requirements of the bath.
Electrical connection:
Connection for Pt100 external sensor for temperature measurement and
control.
Model FT402 is provided with a handle for portable use.
Model FT902 is equipped with four castors. Two of the castors include
locking levers that should be pressed down after setting up the unit to
prevent it from moving.
The immersion probe is connected to the instrument with a flexible, specially
insulated tube. On model FT902 the immersion probe is also flexible and
may be adjusted precisely to different positions within the vessel.
2.
Operator responsibility – Safety instructions
The products of JULABO ensure safe operation when installed, operated, and maintained
according to common safety regulations. This section explains the potential dangers that may
arise when operating the circulator and also specifies the most important safety precautions to
preclude these dangers as far as possible.
The operator is responsible for the qualification of the personnel operating the units.
The personnel operating the units should be regularly instructed about the dangers
involved with their job activities as well as measures to avert these dangers.
Make sure all persons tasked with operating, installing, and maintaining the unit have read
and understand the safety information and operating instructions.