Yash HVS

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Yash HVS

Yash High Volume air sampler is a basic instrument used for the measurement of total suspended particulate matter ( S.P.M.) and gaseous pollutants like SO2, NOx, Cl2, HCL etc in ambient air. Flow rate is maintained at 0.6 to 1.2 m3/min.


Small, light weight, sturdy and economical

In built gaseous assembly and control unit with programmable timer and time totaliser

Designed as per requirement of CPCB New Delhi

Ideal for field use


Body : Heavy gauge Aluminum body, Compact and robust with front and side panel door and gable roof.

Blower : Neutron make heavy duty blower having free flow rate of 1.5 m3/min which will operate on 230VAC, 50HZ.

Filter Holder: Aluminum filter holder having SS mesh with rubber gasket to accommodate filter paper of 8″ X 10″ size.

Rotameter : Flow point make 0.3 to 3 LPM acrylic body Rotameter for measuring flow rate for gaseous sampling.

Manifold : Acrylic body manifold with SS needle valves with four inlets and one outlet for measuring four gaseous samples at a time.

Impinger : Glass Impinger tubes of 35-ml capacity – 2 nos.

Impinger box: Acrylic body Impinger box to accommodate glass impingers.

Manometer : U – Tube 20-0-20 glass manometer.

Stabiliser : Voltage stabiliser to stabilise the voltage fluctuations 170 – 270 volts, 0.5 KVA. Stabiliser does not include Ampere meter.

Timer : 24-hour programmable timer with facility to pre set timings of the actual sampling duration of the HVS.

Time totaliser: Hour meter to measure the actual duration of the running of HVS.



Filter paper: Whatman make GF/A, 8″ x 10″ size, Glass fiber filter paper for SPM measurement 100 Nos.

Carbon brush : For routine running of the blower.