GX Series high quality CO2/Temp./RH Monitor and Controller with TVOC optional, Analog and Relay outputs

Short Description:

Design for carbon dioxide monitoring and control
NDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and more reliable.
More than 10 years lifetime of CO2 sensor
Up to three relay outputs to control three devices.
Up to three 0~10VDC outputs with linear orPID selectable
Multi-sensor is selectable with CO2/ TVOC/Temp./RH
Displays measurements and working information
Optional Modbus RS485 communication
24VAC/VDC or 100~230VAC power supply
Open parameters setting for end users to preset control details for different applications
Designed for a CO2/Temp. or TVOC transmitter and a VAV or ventilation controller.
Friendly control value setting by the buttons


Brief Introduction

Product Tags

FEATURES

Design for monitoring and control carbon dioxide
NDIR infrared CO2 sensor inside with Self Calibration, makes CO2 measurement more accurate and reliable.
More than 10 years lifetime of CO2 sensor
Three-color backlight change of LCD for three CO2 range
Up to three relay outputs to control three devices.
Up to three 0~10VDC outputs with linear or PID selectable
Multi-sensor monitoring can be selectable with CO2/ TVOC/Temp./RH
Optional Modbus RS485 communication
24VAC/VDC or 100~230VAC power supply
Open parameters setup for end users to preset control details for different applications
Designed for a CO2/Temp. or TVOC transmitter and a VAV or ventilation controller.
Friendly control value setting by the buttons

TECHNICAL SPECIFICATIONS

Carbon Dioxide
Sensing element Non-Dispersive Infrared Detector (NDIR)
 

CO2 measuring range

0~2000ppm (default)

0~5000ppm (selected in the advanced setup)

CO2 Accuracy @22℃(72℉) ±50ppm + 3% of reading or ±75ppm (whichever is greater)
Temperature dependence 0.2% FS per℃
Stability <2% of FS over life of sensor (15 year typical)
Pressure dependence 0.13% of reading per mm Hg
Calibration ABC Logic Self Calibration Algorithm
Signal update Every 2 seconds
Warm-up time 2 hours (first time) / 2 minutes (operation)
General Data
Power supply 24VAC/VDC or 100~230VAC(for relay outputs)
Consumption 2.5W avg., 5.5W max.
 

Relay output

Up to three relay outputs, max.5A/ resistive load/each for control up to three devices.
 

Analog output

Up to three 0~10VDC linear outputs or PID control outputs for CO2 & temperature & RH (or TVOC)
 

Modbus communication

RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address.
 

 

 

Display screen

LCD displays measurements and setting /working information. 3-color backlight change is for three CO2 range.

Green: <800ppm (default) Orange: 800~1200ppm (default) Red: >1200ppm (default)

The color change points can be set via advanced parameter

or RS485.

Operation conditions 0~50℃; 0~95%RH, non condensing
Storage conditions -10~60℃, 0~80%RH
Net Weight 280g
Dimensions 150mm(L)×90mm(W)×42mm(H)
Installation wall mounting with 65mm×65mm or 2”×4”wire box
Housing and IP class PC/ABS fireproof plastic material, protection class: IP30
Standard CE-Approval

DIMENSIONS

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