3
Introduction
Thank you for purchasing this Techne product. To get the best performance from the equipment, and for
your own safety, please read these instructions carefully before use.
Before discarding the packaging check that all parts are present and correct.
When unpacking the unit, check that the following have been removed from the packing:
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Thermoregulator
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Clamp kit
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Instruction manual
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Warranty card
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UK and EU mains cables (not 120V models)
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Certificate of calibration
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Pipe connectors (not TU-20HT models)
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‘O’ ring for thermometer
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TechneWorks CD and interface cable (TU-20HT models only)
This equipment is designed to operate under the following conditions:
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For indoor use only
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Use in a well ventilated area
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Ambient temperature range 5°C to 40°C (41°F to 104°F)
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Altitude to 2000 m (6500 ft)
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Relative humidity not exceeding 80%
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Mains supply fluctuations not exceeding 10% of nominal
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Overvoltage category II IEC60364-4-443
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Pollution degree 2 IEC664
If the equipment is not used in the manner described in this manual and with accessories other than those
recommended by the manufacturer, the protection provided may be impaired.
General Description
The Techne thermoregulators are designed to be used with any Techne unheated bath, liquid calibration bath or
refrigerated bath although they can also be fitted to most standard laboratory baths using the supplied clamp. They
will heat, circulate and safely control the temperature of the liquid in the bath within precise limits. In a suitable
bath, the thermoregulators will control the temperature of the liquid within the range -40°C to 250°C depending
on model and specification (see TECHNICAL SPECIFICATION, page 31). Note that temperatures from -40°C to 5°C
above ambient will require an additional cooling system such as a Techne Dip or Flow Cooler.
The thermoregulator consists of the following main parts:
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The base moulding in PPS plastic.
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The pump assembly in either PPS plastic (TE-10D and TU-20D) or VICTREX™ PEEK (TU-20HT). The pump
can circulate liquid externally (TE-10D and TU-20D only) under pressure via its support tubes.
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A heater assembly in 316 Stainless Steel.
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A base plate made from stainless steel to which are mounted the motor, over-temperature cut-out, mains
switch, fuse holder and PCB assembly.
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A cover made from Torelina PPS 40% which is fitted over the main controls.
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