GA-12 hand-held flue gas analyzer

oWorldwide competence


	USA

GA-12


	Small, low cost hand-held flue gas analyzer using electrochemical sensors.
	Features GA-12

	Highly accurate electrochemical analysis Backlit digital display (option) Easily transportable lightweight design RS232C interface to computer Temperature compensated cells
	Applications GA-12

	Boiler flue gas analysis Engine emission testing Burner management Precompliance and compliance level testing Meets SCAQMD requirements – includes automatic O₂ correction

Parameter	Measuring method	Range	Resolution	Accuracy	Detection Limit	Time (T90)
Gases measured in standard configuration
O₂ - oxygen, volumetric concentration	electrochemical gas sensor	0..25 %	0.01 %	± 0.2 % or 2 % rel.	0.01 %	45 s
CO₂ - carbon dioxide, volumetric concentration	calculated from volumetric concentration of O₂	0..25 %	0.01 %	± 0.2 % or 2 % rel.	0.01 %	45 s
CO - ambient carbon monoxide, volumetric concentration	electrochemical gas sensor	0..100 ppm	0.1 ppm	± 0.5 ppm or 5 % rel.	0.1 ppm	45 s
CO - carbon monoxide, volumetric concentration	electrochemical gas sensor	0..20000 ppm	0.1 or 1 ppm set by user	± 5 ppm or 5 % rel.	0.1 ppm	45 s
CO - carbon monoxide, volumetric concentration	electrochemical gas sensor	0..20,0000 ppm	1 ppm	± 5 ppm or 5 % rel.	1 ppm	45 s
COmg - carbon monoxide, mass concentration	calculated from volumetric concentration of CO	0...	1 mg/Nm³	± 5 mg/Nm³ or 5 % rel.	1 mg/Nm³	45 s
COrel - carbon monoxide, mass concentration relative to O₂	calculated from volumetric concentration of CO and O₂	0...	1 mg/Nm³	± 5 mg/Nm³ or 5 % rel.	1 mg/Nm³	45 s
Gas measured with optional electrochemical sensor
NO - nitric oxide, volumetric concentration	electrochemical gas sensor	0..1000 ppm	0.1 or 1 ppm set by user	± 5 ppm or 5 % rel.	1 ppm	45 s
NOxmg - nitric oxide mass concentration	calculated from volumetric concentration of NO	0...	2 mg/Nm³	± 10 mg/Nm3 or 5 % rel.	2 mg/Nm³	45 s
NOxrel - nitric oxide mass concentration	calculated from volumetric concentration of NO and O₂	0...	2 mg/Nm³	± 10 mg/Nm³ or 5 % rel.	2 mg/Nm³	45 s
Temperature measurements
Tgas - flue gas temperature	Thermocouple	-10..1000°C	0.1 or 1°C set by user	± 2°C or 1.5 % rel.	1°C	30 s
Tamb - ambient temperature	Thermistor	-10..100°C	0.1 or 1°C set by user	± 1°C	1°C	30 s
Calculated parameters
TI (CO/CO₂-Toxic Index)	calculated	0...0.01	0.0001	0.0001
Lambda - excess air number	calculated	1..10	0.01	0.01
qA - combustion losses	calculated	0..100 %	0.1 %	0.1 %
Eta - efficiency	calculated	0..120 %	0.1 %	0.1 %
Other measured values
Pressure	DMS bridge	-25 hPa ... +25 hPa	0.1 or 1 Pa set by user	± 2 Pa or 5 % rel.	0.1 Pa	10 s
Diff. Pressure	DMS bridge	-25 hPa ... +25 hPa	0.1 or 1 Pa set by user	± 2 Pa or 1 % rel.	0.1 Pa	10 s
V - flow velocity	Pitot tube	1..30 m/s	0.1 m/s	0.5 m/s or 2 % rel.	1 m/s	10 s
rH -relative humidity	capacitive sensor	5..95 %	0.01 %	2 % rH or 2 % rel.	5 %	10 s


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