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EMISSIONS MONITORING


Stephane Canadas with a continuous FID analyser


The portable heated FID MiniFID 3010 is


suitable for a variety of applications: 1. Compliance monitoring where the permit requires discontinuous measurements 2. Calibration of CEMS 3. Temporary back-up for CEMS 4. Checking abatement performance 5. Fugitive emissions investigations 6. Process optimisation In contrast with most of the other ‘portable’


FIDs on the market, the MiniFID 3010 was designed as a rugged, portable field-use instrument. With an optional internal datalogger (and memory stick), sample pump, inlet filter, heated line controller and a detachable gas bottle holder, the MiniFID 3010 can be used on ducts and stacks with difficult access. The analyser’s detachable bottle holder accommodates both the burner gas and the calibration gas, with zero air provided with a background hydrocarbons purifier. The frame is made from lightweight


aluminium and the instrument is supplied with lifting eyes and a comfortable shoulder strap. Portable FIDs often need to operate with


extended power cables, so the MiniFID is able to operate without a power-hungry microprocessor, (110VAC or 220VAC is specified when purchasing). The heated line (optional 5m or 10m) is powered from a socket on the side of the analyser, which helps to reduce the amount of cabling required. The heated line is supplied with a stainless steel sintered filter probe for insertion into the stack or duct. The instrument is simple to operate:


1. Switch on, wait for the temperature interlock to reach set temperature. 2. Turn gases on, press “Ignite” switch. 3. Wait for the reading to settle, select “Zero” gas and adjust dial to read zero on the analyser display. 4. Select “Span” and adjust span dial to read the value of the calibration gas. 5. Select “Sample” and the analyser will start drawing sample gas through the heated line. 6. Wait a few minutes for the sample gas to arrive at the analyser and the instrument will start to display readings, which may be logged to the memory stick for later examination and reporting.


FHS-OCT20-DUAL PUMPS:FHS-OCT20-DUAL PUMPS 21/10/2020 10:28 Page 1


FID analysers are suitable for a variety of


solvent emissions monitoring applications. It is important to remember that while Flame Ionisation is the reference method for the monitoring of VOCs, the response of the analyser will vary according to the VOC or VOCs present in the sample. With many decades of experience in the


development of FIDs, Signal Group is able to provide help and advice on which instruments and accessories are necessary, and on how to deliver high quality, reliable, defensible monitoring data.


Signal Group www.signal-group.com


APRIL 2021 | PROCESS & CONTROL 51


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