Analysers keep check on packaging gas
A
Witt Gas Techniques product story
Edited by the Engineeringtalk editorial team
Oct 3, 2005
Two new compact gas analysers are designed for monitoring the oxygen and carbon dioxide content in food modified atmosphere packaging.
Witt Gas Techniques has launched two new compact gas analysers, the PA-O2 and PA-O2/CO2, to monitor the oxygen and carbon dioxide content in food modified atmosphere packaging (MAP).
These analysers are designed for continuous analysis in line as well as intermittent sampling using a needle.
The unit will record the last 100 measurements and when downloaded using the Witt-Logger software the data can be used for quality control documentation.
Only the smallest sample is needed to obtain a measurement, the results are fast taking around 6s.
It is easy to use and is multilingual.
If the gas contents exceed the set minimum or maximum limits, these analysers will trigger an alarm which can be used to shut down the packaging line to ensure no further quality problems are encountered.
For O2 monitoring, a chemical measuring cell is used with a range of 0-100% and for CO2 monitoring an infrared measuring cell is used with a range between 0-30 or 0-100% depending on the user's requirements.
The interface is RS232 with ASCII output of date, time and measured value.
These analysers can be supplied with either an inclined or a vertical display.
A separate tabletop printer is also available as an option.
The voltage requirements are 230V AC, 110V AC or 24V DC, each unit weighs 3kg and is very compact measuring 145 x 105 x 200mm.
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