Dwyer Instruments

Differential Pressure Switches - Air (7)

Switches airflow based on duct pressure differences.

Differential Pressure Devices - Water (10)

Monitors water-side differential pressure for flow control.

Wall Humidity Devices - 3% Humidity (2)

Wall sensors measuring room humidity ±3% RH.

Duct RH Sensor – 3% Humidity (4)

Duct-mounted humidity sensor with ±3% accuracy.

Outdoor Humidity Devices (5)

Measures external humidity for HVAC control.

Humidity Devices (2)

Tracks indoor and outdoor relative humidity levels.

Air Quality Devices (9)

Monitors CO₂, VOCs, and particulates for air quality.

Power Devices (4)

Measures electrical load, current, and voltage parameters.

Occupancy Sensors (1)

Detects presence to control HVAC and lighting.

Flow / Velocity Devices (1)

Measures air or liquid flow and speed.

Level Devices (2)

Detects liquid levels in tanks or vessels.

Temperature Devices – Space Sensors (3)

Monitors room temperature for climate control.

Temperature Devices – Duct Sensors (6)

Measures air temperature inside HVAC ducts.

Temperature Devices – Immersion (6)

Immersion probes for fluid temperature sensing.

Flow Meters (1)

Accurately tracks gas or liquid flow rates.

Energy Meters (3)

Measures HVAC system energy usage and efficiency.