Product category:
General lab equipment
News Release from: Labtex | Subject: ZPA 3 automated auto-ignition tester
Edited by the Laboratorytalk Editorial
Team on 09 May 2006
Auto-ignition testing simplified
Auto-ignition tests can take a large amount of time, but the ZPA 3 tester can cut this dramatically
An automated auto-ignition tester, such as the ZPA 3, offers the user a decided advantage by reducing time and attention necessary; the automatic registration of the sample ignition especially simplifies the procedure The difficulty normally encountered in visually recognizing the ignition, caused by the type of examination in itself and the resultant construction and form of the furnace, is greatly reduced
This article was originally published on Laboratorytalk on 30 Sep 2005 at 8.00am (UK)
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The instrument works with 6 automatic programs: Pre-Test Program; Main Program A1; Main Program A2; Solid Program (79/831/EWG); Calibration Program; and Glow Program.
The Pre-Test program creates a temperature rise of 3 to 5 K/min originating at ambient temperature.
Purging the ignition flask with air, injections of the sample at intervals of 20K and flame detections are made automatically.
When a self-ignition is detected, the instrument automatically goes into the Main Program.
This section runs without any intervention of the operator.
The selection and the variation of the test temperatures and the sample volumes as well as purging of the test flask with compressed air are done automatically.
A digital printer, which records test parameters and all ignition data in regular intervals, documents the whole test.
It is also possible to interrupt the automatic procedure at any time in order to alter either the test temperature and/or the sample volume according to individual decision.
Moreover, the ZPA 3 also allows running the instrument semi-automatically, which may be better for some very particular test substances.
The operator is then reminded by an acoustic signal to inject the sample by means of a syringe (the quantity of which is recommended on the display of the instrument). Request a free brochure from Labtex ...
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