Products

HVAC Air Side Equipment

Duct mount Carbon Dioxide Transmitter


The Model CDD Duct Mount Carbon Dioxide Transmitter
NDIR Sensing Technology
The Model CDD can measure up to 2000 PPM in duct air flows less than 1500 FPM.


CO2 Transmitter and Switches
NDIR Sensing Technology
Measuring ranges of 0...2000ppm and 0...5000ppm correspond to an analogue interface of 0 - 5/10V or 4 - 20mA.


Differential pressure switch


Differential Pressure Switch
Adjustable Set Point, High Overpressure


H.V.A.C. Differential Pressure Switch
With Dual Scale Field Adjustable Set Point Knob


Adjustable Pressure Switch
Vacuum and Pressure Ranges, 5A Switch, Compact Size


PRESSURE SWITCH Model AFS
It may be used to sense positive, negative, or differential air pressure
Peace of mind through reliable pressure switches


Relative and differential pressure switch 604
0.2...50 mbar
The type 604 pressure switch is used as a flow switch in ventilation ducts for the control of filters and fans, and in primary and secondary control systems for the control of air dampers.


Air Differential Pressure Switches
Differential Air Pressure Switch, 40-400Pa, On/Off, 250VAC


Pressure transmitter and electronic pressure switch programmable 619
Relative –1 to 600 bar
The μP-regulated, programmable pressure transmitter type 619 has a robust industry design. Parameters can easily be programmed with three different configuration menus.


Duct pressure transmitter


LOW PRESSURE TRANSDUCER
High level outputs, environmental protection, and temperature compensation.
Peace of mind through reliable pressure transducers


ULTRA LOW PRESSURE TRANSDUCER
High level outputs, environmental protection, and temperature compensation.
Peace of mind through reliable pressure transducers


LIQUID PRESSURE TRANSDUCERS
High strength corrosive resistant stainless steel sensor construction. No silicone oil, no welds, no internal “O” rings.
Peace of mind through reliable pressure transducers


Air duct smoke detector


DUCT SMOKE DETECTOR
The interchangeable detector heads allow easy removal for quick cleaning and maintenance, or a change in application without removing the duct housing.
Peace of mind through reliable smoke detectors


Air duct Temperature and humidity transmitter


Humidity Transmitters
Alerton RH-series relative humidity transmitters convert a resistance to a linear 4–20mA, 0–5VDC, or 0–10VDC output. The current signal is unaffected by lead wire resistance or eletrical noise.


Duct sensors
  • Accurate over a wide temperature range
  • Tabs for easy installation
  • Variety of housings, lengths, harness lengths, and mounting options for versatility


DTS Sensor
Duct Air Temperature Sensor


DTS12 AVERAGING DUCT SENSOR
The sensor is manufactured to industrial
standards, and is epoxy sealed to protect against contamination by moisture.


Duct temperature sensor
Duct temp sensor, plastic box, 8" or 12” probe, 10k type 3 thermister


DTS -FL
Duct Probe, Flange Mount 9in and 12in probe



Humidity/Temperature Transmitter
Calibration-Free, 2% Or 3% Accuracy, Optional Display


Humidity / Temperature Transmitter for Industrial Applications
The EE23 series stands for multifunctionality, highest accuracy, easy mounting and service.


RELATIVE HUMIDITY TRANSDUCER
Peace of mind through reliable humidity monitoring


Duct Humidity Sensors
The HU-224/225 is an extremely fast, stable and accurate humidity transducer designed for harsh environments.
The polymer capacitance sensor is not affected by harsh contaminants, condensation, fog or extremely high humidity over a prolonged period of time.


TEMPERATURE SENSORS Model TE200
Peace of mind through reliable temperature monitoring


Humidity / Temperature Transmitter
These transmitters can be used for indoor air temperature and humidity monitoring in various industrial plant, clean room, lab, machine room, office and commercial building, airport, station, library and stadium.


Duct Temperature Sensors
TE-701/702 temperature sensors offer the industry’s most extensive range of enclosure, installation and sensor types to satisfy all HVAC, industrial and commercial applications.