Validation Thermocouple Wire0 pages

DATA SHEET No. 021
PRODUCT DESCRIPTION
Validation Thermocouple Wire
The preferred method of temperature measurement for pharmaceutical
validation purposes is the copper/Constantan thermocouple, more
commonly known as the type ‘T’ thermocouple. This thermocouple was
developed for use within the range of –40 to +350°C and generates a
higher mV output per °C than other thermocouples in this temperature
range. The tolerance value for this thermocouple is also considerably better
than that of other thermocouple types.
A further enhancement to this method is to have the welded hot junction
encapsulated in a pre-formed Teflon® tip. This method ensures that the
frequently annoying incidence of condensate travelling up the inner jacket
of the thermocouple by capillary action, is prevented. Encapsulation further
ensures that the rate of oxidisation of the thermocouple hot junction is
reduced.
S P E C I F I C A T I O N
Steriliser Validation
Conductor material : single flat pair, type ‘T’ (Cu/Con) thermocouple wire in
Class 1 material to BS EN 60584-2:1996. Tolerance
±0.5°C or 0.004[t].
Conductor size : 1/0.3mm, 1/0.5mm or 7/0.2mm.
Conductor insulation : extruded PTFE.
Jacket : extruded PFA.
Colour code : in accordance with BS EN 60584-1:1996.
Upper temperature limit : 250°C.
Hot Air Steriliser Validation
Conductor insulation : Kapton®.
Jacket : Kapton®
Upper temperature limit : 300°C for short durations.
Otherwise specifications as before, but not colour coded.
When supplied on reels as standard thermocouple wire, the minimum length is 100
metres.
©Thermal Detection 2007
Teflon® and Kapton® are registered trade marks of the Dupont Corporation.
Validation
Thermocouple
Wire
Product code : VTFP
Product code :
Steriliser - TE-100-PTFE
Hot air
steriliser – TE-100-KAP-H