Serrax Technologies LLP

This unit is equipped with a built-in rotary vane suction pump and a rotameter with flow control, offering an adjustable flow range of 0–3 LPM for accurate sampling. It includes a battery-operated digital timer with three displays, showing run time, total run time, and delay time for precise operation control.

The system runs on a rechargeable, maintenance-free battery and supports continuous operation for 10–12 hours on a full charge, with a charging time of 4–6 hours. It operates on 220V AC (±10V), 50Hz and comes with an in-built battery charger.

The sampling train housing consists of two 35 ml glass impingers, making the unit suitable for reliable and controlled air sampling applications.

The APM433N Gaseous Pollutant Sampler is a high-performance air sampling system designed for accurate monitoring of gaseous pollutants in ambient and industrial environments. Equipped with borosilicate glass impingers and a fritted disc absorber as per BIS 5182 (Part 6), it ensures reliable absorption efficiency.

Features a digital flow-controlled sampling rate (0.2–2.0 LPM), programmable 24-hour automatic timer, and compositing mode for cyclic pump operation. Powered by a robust diaphragm pump (6 LPM free flow), the APM433N supports continuous sampling up to 28 hours, making it ideal for pollution control boards, environmental labs, and industrial emission monitoring.

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