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Air Quality Monitor Alarm Fine Dust Meter Particles Laser Fine Dust Load (PM2.5) Temperature Humidity Modbus FS4 : Amazon.co.uk: Business, Industry & Science
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Filter Dust Monitor Alarm - Full colour icon driven menu,(no 4-20mA output included), 1 x DA40 Sensor suitable for temperatures up to 125°C (1/2" BSPP or 1/2" NPSM) - 10m x 4-Core
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