Environment Projects
Description
Features
? Real-time detecting and display CO2 level during 0ppm to 20,000ppm CO2 range; Also detecting room temperature from 5 to 45℃
? Optional real-time humidity from 5%RH to 95%RH
? NDIR CO2 sensor technology of infrared self diffusion, 15 years lifetime
? Self Calibration Algorithm makes it in using without calibration amending
? The three measured CO2 ranges for 3-LED indicator lights selectable by end users
? LED’s brightness adjustment
? Optional 1X dry contact output or one 0~10VDC output to control a ventilation device
? Easy preset CO2 level for buzzer alert (optional)
? Optional RS485 interface to connect to a PC or another system (optional)
Specifications
Gas detected Carbon Dioxide (CO2)
Sensing element Non-Depressive Infrared Detector (NDIR)
Temperature sensor NTC
Temperature correction Self compensation
CO2 NDIR life 15 years
Consumption 3.5W/ Max, 2.5W/ Average
Accuracy@25℃(77℉) ±40ppm + 3% of reading
Stability <2% of FS over life of sensor (15 yr typical)
Warm up time 2 hours (first time)
2 minutes (operation)
CO2 measuring range 0～2000ppm, which is default value
0～(1,000~20,000)ppm, programmable selection
CO2 setting & Display resolution 1ppm
Temperature measuring range 0～50℃(32～122℉)
Temperature setting range 5～45℃(41～113℉)
Option: 1X dry contact output Rated currency for contact point: 3A 220VAC/30VDC, resistance load
Option: RS485 communication interface 9600/14400/19200(default)/28800/38400bps rates selectable by program,15KV protection for static, independent address setting
Operation condition 0～50℃ (32～122℉), 0～95%RH without condensing
Power supply 220VAC/110VAC or 24VAC 50/60HZ±10%
Weight 380g
Dimensions 130mm×90mm×40mm
Connections Interface Locate in interface of connection
Installment standard 65mm×65mm or 2”×4” wire box
Wiring standard Wire section area<1.5mm2
Approval Standard CE-Approval
Programming and selection DIP switches inside and external push-buttons
Read More
Tongdy
CO2 sensor
Address: 3-3-5/F IN-DO MANSION, No.48-jia Zhichun Road, Haidian District,
Beijing, Beijing
China, 100098
Tel: 86-15101027950
Fax: 86-10-58731275
