The APM 433 Gaseous Pollutants Sampler has been designed for monitoring Gaseous Pollutants like SO2, NO2, Cl2, H2S, O3, NH3 etc. in ambient air. The APM 433 is an independent stand-alone monitoring instrument (unlike our gaseous sampling attachments APM 411 and APM 411 TE that need to be paired with a dust sampler). A suction pump is also made an integral part of the sampler, besides a flow-meter, time totalizer and timer. Sampled air is bubbled through suitable reagents that absorb specific gaseous pollutants and the absorbing media analyzed as per standard wet chemical methods.
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Minimum Order Quantity | 1 Qty |
Flow Control | Four inlet and one outlet with built in needle valves for flow control of each unit. |
Sampling Train | 4 Nos. of 35ml Borosilicate glass impingers |
Size | 240 x 125 x 350mm |
Model Make | Envirotech |
Flow Rate | 0 - 3 LPM, accuracy : 2% of span. |
Country of Origin | Made in India |
The Respirable Dust Sampler is essentially a particulate sampling system requiring a high flow-rate. Gaseous sampling (for NO2, SO2, CL2, H2S, etc) requires only a few LPM of air flow. All models of Envirotech Respirable Dust Samplers are provided with a suction port and mounting hardware to facilitate interface of the Gaseous Sampling Attachment APM 411.
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The APM 411TE is designed as an attachment to operate with Envirotech’s Respirable Dust or High Volume Samplers and PM 2.5 samplers. When paired with an appropriate dust sampler, the APM 411 TE allows the user to collect gaseous pollutant samples (for monitoring SO2, NOx, NH3, Ozone, etc) as well as dust samples simultaneously.
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