Best CO2 Monitor/Detector
Negotiable /Piece
Min.Order:10 Pieces
Tongdy Sensing Technology Corporation (Beijing)
Best CO2 Monitor/Detector
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) |
Calibration interval | ABC Logic Self Calibration Algorithm |
CO2 measuring range | 02000ppm, which is default value 0(1,000~20,000)ppm, programmable selection |
CO2 setting & Display resolution | 1ppm |
Temperature measuring range | 050(32122) |
Temperature setting range | 545(41113) |
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 | 050 (32122), 095%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 |
1.Special design for room CO2 indicator and alarm
2.Suitable for classrooms, offices and other public places
3.Real-time detecting and display CO2 level during 0ppm to 20,000ppm CO2 range
4.Also detecting room temperature from 5 to 65C
5.Optional real-time humidity from 5% RH to 95% RH
6.NDIR CO2 sensor technology of infrared self diffusion, 15 years lifetime
7.Self calibration algorithm makes it in using without calibration amending
8.Specially provide the altitude calibration
9.The three measured CO2 ranges for 3 LED indicator lights setup by end users
10.3 LEDs brightness adjustable
11.Optional 1 x dry contact output to control a ventilation device
12.Optional 1 x 0 to 10V DC output
13.Optional the buzzer alert for CO2 level
14.Optional RS485 interface to connect to a PC or another system