Title :
Computerized rapid measurement of ammonia concentration in aquaculture systems
Author :
Kaiser, G. Ellen ; Wheaton, Fred W.
Author_Institution :
Dept. of Agric. Eng., Maryland Univ., College Park, MD, USA
fDate :
31 Oct-2 Nov 1988
Abstract :
The response of an ammonia gas sensing electrode was measured automatically using a simple FET (field-effect transistor) operational amplifier (op-amp) circuit, a data acquisition and controls system (Cyborg ISAAC 2000), and an IBM-PC. It is possible to measure the chemical concentrations of various solutions faster and more conveniently using the system described than by using conventional methods that involve a pH/digital voltmeter. This system permits development of automated ammonia concentration control, a particularly valuable attribute in recirculating aquaculture systems
Keywords :
ammonia; aquaculture; chemical variables control; chemical variables measurement; computerised instrumentation; Cyborg ISAAC 2000; FET; IBM-PC; ammonia concentration; ammonia gas sensing electrode; aquaculture systems; automated ammonia concentration control; chemical concentrations; controls system; data acquisition; field-effect transistor; op-amp; operational amplifier; recirculating aquaculture systems; Aquaculture; Automatic control; Chemicals; Circuits; Control systems; Data acquisition; Electrodes; FETs; Operational amplifiers; Voltmeters;
Conference_Titel :
OCEANS '88. A Partnership of Marine Interests. Proceedings
Conference_Location :
Baltimore, MD
DOI :
10.1109/OCEANS.1988.23474
