YJJ DPSN400A Air Differential Pressure Switch 40-400Pa for HVAC Air Duct Filter Monitoring
Product Description:
YJJ DPSN400A Air Differential Pressure Switch 40-400Pa for HVAC Air Duct Filter Monitoring Fan Airflow Detection
Features:
Original DPSN400A Air Differential Pressure Switch, adjustable range 40–400Pa
SPDT switch output, reliable for airflow detection & filter clog alarm
Widely used in AHU, ventilation duct, cleanroom, fan operating status monitoring
Compact structure, easy installation, stable performance for HVAC ventilation system
Ideal accessory for air filter blockage monitoring and air pressure difference control
Model: DPSN400A Air Differential Pressure Switch, adjustable 40~400Pa
Trigger air pressure difference alarm for blocked air filter; detect fan airflow status
Suitable for AHU, ventilation ducts, clean room, HVAC ventilation control systems
SPDT contact output, simple wiring, convenient on-site commissioning
Stable & durable, perfect for building automation & air conditioning projects
DPSN400A Differential Pressure Switch 40-400Pa
Monitor Air Filter Blockage & Fan Airflow
For AHU, Vent Duct & Cleanroom HVAC System
SPDT Contact, Adjustable Pressure Setting
Reliable Building Automation Control Component
Specifications:
| Adjustable pressure difference range | 40 - 400 Pa |
| Humidity measurement range | 0 - 95% RH |
| Humidity accuracy | 20 - 80% RH ±3% RH |
| Temperature measurement range | -40℃ ~ +60℃ |
| Temperature sensing element | Digital temperature measurement chip |
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