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| M-TYPE Multi Element sampler | |
Three day hire price: call Weekly hire price: call Purchase price: call |
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The MULTI Directional sampler is designed to measure low level airborne particle pollution of a size and range respective of respirable material. It measures particulates being blown by the wind from a predetermined direction. At all other times it measures the background reading for comparison. It is a manual (gravimetric) method. • Measurement technology: Gravimetric • Measured Components: airborne particulate • Power requirements: Mains power, can be supplied for use with either 240V or 110V |
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The wind is constantly monitored for direction by a wind vane, this is connected to the pump/control box electronically. When the wind remains in within a pre-selected arc for more than 30 seconds, air is drawn trough filter A. The volume of air is recorded by means of a dry gas meter and a timer, the timer is dedicated to channel A. At all other times air is drawn through filter B and the volume measured on the background by a separate timer. The filters used are standard 37mm diameter 0.8 micron filters. Benefits: • The unit is cheap and easy to run • Parts are readily available and simple to replace. • No specialised training is required • The method is an acceptable by the WHO • Simple gravimetric analysis of the filters means easy analysis is obtainable |
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