Product category:
Temperature, pressure and flow measurement
News Release from: JDL (Just Data Loggers) | Subject: Thermologger
Edited by the Laboratorytalk Editorial
Team on 19 January 2005
Keeping cool for sterilisation recording
Data loggers monitor pasteurisation and sterilisation temperatures in cans, bottles, jars or other containers actually in the autoclave or tunnel process with the product
The Thermologger series of data loggers, available from JDL, monitors pasteurisation and sterilisation temperatures in cans, bottles, jars or other containers actually in the autoclave or tunnel process with the product Verifying these temperatures and the time that the temperatures are present in the product is vital to the final quality of the product delivered to the consumer
This article was originally published on Laboratorytalk on 7 Feb 2001 at 8.00am (UK)
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Accurate Monitoring of Pasteurisation Process
One simple and easy way to monitor the pasteurisation process is to use the PUM's data logger available from JDL.
The system consists of a TDL thermologger battery operated by a high temperature user replaceable lithium battery, measuring only 70mm dia by 30mm and giving the user more than a years logging (depending on duty cycle selected from 1 second to 3 minutes).
Four models are available to select from with a measurement base of TDL85 range 0C to 85C, TDL100 range 0C to 100C, TDL130 0C to 130C.
All these models using RTD (PT100four wire) DIN ITS90 Grade A sensors offering an accuracy of 0.1C.
TDL85DS has a digital sensor with 0.5C accuracy at low cost.
Win Pasteur software complements the thermologger and offers the user facilities for reporting in graphical or tabular format, plus calculating and reporting pasteurisation units (PU), T Max, pasteurising time and time above a preset temperature.
These are all vital statistics in the field of quality control in pasteurisation and sterilisation processes.
This data can be exported into other programmes if required.
Useful accessories include probes of various lengths, a smart cable for logger to PC interface.
The CP-60 calibration plug provides an easy to use 60C +/-0.1C calibration facility for the Thermologger data loggers and can be used to verify the accuracy of the system.
CA-300A is a system calibration adapter that verifies and checks the Thermologgers electronic accuracy with an RTD (PT-100 simulator).
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