Dps
DPS ( Differential Pressure Switch ). Dps is the other name is "Air Flow Switch." It's works to monitor Air filter Dirty/Clean, Air Flow/No Air Flow, Fan Belt, and Air Pressure inside the Duct, AHU etc. Supply Voltage :- 24v or 250v How to Service it? To Clean pipe throw Air Pressure. How to check Faulty ? To check Continuty in NC pole & NO pole. Why we apply this device ? Its helps us to show status about Air Flow in the BMS Display & DDC Panel.