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Envirotech PM 10/PM 2.5 Sampler Model APM 154B

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Warranty

As per Lata Envirotech

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Specifications
KEY FEATURES

Size Selective inlets

Omni-directional air inlet with PM 10 separation through an impactor followed by PM 2.5 separation through a WINS Impactor

Flow Rate

Constant sampling rate of 1 m3/hr unaffected by voltage fluctuation and filter choking maintained by critical orifice system

Sampling Time Record

0 to 9999.99 hrs. recorded on a Time Totalizer

Vacuum Pump

Diaphragm Pump

Sample Volume

Dry Gas meter records the total air volume sampled

Filter

Filter holder designed to accept any standard 47 mm diameter filter media

Warranty

One year

PM10 and PM2.5 Impactors of sampler based on designs standardized by US-EPA

Two part cabinet ensures that temperature of PM 2.5 filter remains close to ambient temperature.

Diaphragm Pump with a low noise

Lower sampling rate of 1m3/hr reduces filter choking even in areas having high FPM levels

Critical Orifice maintains constant sampling rate of 1 m3/hour

Sampler can run continuously 28 hrs monitoring

Low power consumption

Low weight essay to transport in field

Can be measure PM10 or PM2.5 at a time

Calibration Certificate for each instrument shall be provided with instruments

Compact and portable.

Weight: Approx 25 Kg.

Product Description

The APM 154 system is a manual method for sampling fine particles (PM2.5 fraction) and is based on impactor designs standardized by US-EPA for ambient air quality monitoring. Ambient air enters the APM 154 series samplers system through an omni-directional inlet designed to provide a clean aerodynamic cut-point for particles greater than 10 microns. Particles in the air stream finer than 10 microns proceed to a second impactor that has an aerodynamic cut-point at 2.5 microns. The air sample and fine particulates exiting from the PM 2.5 impactor are passed through a 47 mm diameter Teflon filter membrane that retains the fine particulate matter. The sampling rate of the system is held constant at 1m3/hr by a suitable critical orifice. The standard system is supplied with a Dry Gas Meter to provide a direct measure of the total air volume sampled. As per recent Air quality standard published by Govt. of India where measurement of PM 2.5 dusts has been made mandatory besides other parameters for defining the quality of ambient air. An Impactor based PM10/2.5 Sampler has been manufactured by Lata Envirotech Services which meet requirements of PM 2.5 is sampling using APM 154; PM 2.5 concentration in ambient air can be measured gravimetrically by using this sampler. APM 154 fitted with brushless and noiseless pump assembly where sampling rates of 1m3/hr is maintained constant with the help of orifice.