Product Description
Siemens QPM2152/MO, S55720-S471
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Duct air quality sensor for use in air ducts of ventilation and air conditioning plant to enhance room comfort and to optimize energy consumption by providing demand-controlled ventilation 
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CO2, temperature and humidity measuring 
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Modbus RTU (RS-485) 
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Maintenance-free CO2 sensing element 
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No recalibrations required 
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On-event addressing via push button together with Climatix controllers 
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DIP switches setting together with other controllers 
HS CODE: 90271010
COO: China
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