HVAC

Siemens Differential Pressure Switch QBM81-5 (50-500Pa) For air and non aggressive gases For ventilation and air conditioning plants Monitoring of air filters, airflow, fan belts. Pressure in clean rooms and kitchens Monitoring of differential pressure, under pressure and over pressure Highly precise setting Long-term stability  

Siemens QFM2100 Symaro™ Duct sensors for measuring relative humidity and temperature in air ducts of ventilation and air conditioning. The sensors are used as: i) Control sensors in the supply or extract air. ii) Reference sensors, e.g. for shifting the dew point. iii) Limit sensors, e.g. in connection with steam humidifiers. iv) Limit sensors, e.g....