Products
HVAC Room Type Equipment
Room Pressure


ROOM PRESSURE MONITOR
Local indication of room pressure with alarm functions
Peace of mind through reliable Pressure monitoring
Room 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.


Wall plate sensors
- Brushed stainless steel is attractive and tamper resistant
- Rugged, reliable design
- Order versions with field service jack, override switch, or both


Temperature TRANSDUCER


Outside air sensors
Casketed, weather tight enclosures


OAT sensor
Outdoor Air Temperature Sensor


HUMIDITY/TEMPERATURE TRANSDUCER c/w SETPOINT ADJUSTMENTS
The SP series of Humidity/Temperature Transducers are designed for use with automation, energy management, and process computer control /monitoring systems. These sensors offer local set point control of both humidity and temperature.


EXECUTIVE HUMIDITY/TEMPERATURE TRANSDUCER
The RH series of Humidity/Temperature Transducers are designed for use with automation, energy management, and process computer control /monitoring systems. These Executive style sensors are available with a variety of options.
Peace of mind through reliable humidity monitoring.


RELATIVE HUMIDITY TRANSDUCER
The RH series of Humidity/Temperature Transducers are designed for use with automation, energy management, and process computer control /monitoring systems. These Executive style sensors are available with a variety of options.
Peace of mind through reliable humidity monitoring
CO2 sensor


Air Quality Sensor
This full-featured CPU based device is ideal for the detection of Air Contaminants. In residential and commercial environment, the sensing element has high sensitivity to VOCs and odorous gases. The unit provides humidity and temperature readings, all of which is useful for increased Air Quality control.


Air sense - Elite Beam Model 310e
This state-of-the-art instrument measures carbon dioxide (CO2) concentrations in the parts-per-million (ppm) range and is ideal for applications ranging from large buildings with complex HVAC systems to home gyms.


Wall Mount Carbon Dioxide/ Temperature Transmitter
Measure up to 2000 PPM, NDIR Sensor


EE80 Series
HVAC Room Transmitter and Switches for CO2, Relative Humidity and Temperature
Measure up to 2000 PPM, NDIR Sensor


CARBON DIOXIDE (CO2) DETECTORS
Greystone’s Carbon Dioxide (CO2) detectors provide unsurpassed accuracy, reliability and selection including temperature and humidity monitoring.
Peace of mind through reliable gas sensors


CTS - M20 SERIES CARBON DIOXIDE TRANSMITTER/SENSOR
The CTS-M20 transmitter/sensor is an industry leader providing a Carbon Dioxide concentration measurement for Indoor Air Quality and ventilation control in commercial office buildings, arenas, gymnasiums, conference centers, greenhouses and other facilities with variable occupancy.


CTS - M20 SERIES CARBON DIOXIDE TRANSMITTER/SENSOR
The product is passive infrared detector with high stability. It has adopted advanced technology in signal processing and provided super high detection ability and anti error alarm.


EE10 Series
EE10 room transmitters are the ideal solution for indoor applications such as HVAC in residential and official buildings.