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PG-250 portable multi-gas analyzer available

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article image PG-250 portable multi-gas analyser

The PG-250 is a portable stack gas analyzer that can simultaneously measure up to five separate gas components using the same proven measurement methods used in Horiba’s line of permanent CEMS.

The PG-250 is ideal for CEMS certification testing (RATAs) or for use when stack gas emissions must be monitored periodically at one or multiple stacks.

The PG-250 uses non-dispersive IR detection for CO, SO2, and CO2; chemiluminescence (cross-flow modulation) for NOx; and a galvanic cell or an optional zirconium oxide sensor for O2 measurements.

The 37 lb. (17 kg) analyser can be supplied with an optional rugged carrying case. The instrument can interface directly with a laptop computer through an RS-232C interface to record measured values. Major features include a built-in sample conditioning system with sample pump, filters, and a thermoelectric cooler. An optional auxiliary thermoelectric pre-cooler (PS-200) is available to condition samples which contain excessive water vapor.

The performance of the PG-250 has been tested and verified under the U.S. EPA ETV program.

Performance standard ranges

Gas Range (min.)

NOx 0-25, 50, 100, 250, 500, 1000, and 2500 ppm

SO2 0-200, 500, 1000, and 3000 ppm

CO 0-200, 500, 1000, 2000, and 5000 ppm

CO2 0-5, 10, and 20 vol%

O2 0-5, 10, and 25 vol%

Other ranges are available

Zero Drift ± 1% (full scale) per day (SO2 ± 2% F.S/day)

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