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co controller/transmitter - TKG-CO

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Features
Design for real-time detection air carbon monoxide.
? High accuracy humidity and temperature detection optional
? LCD display carbon monoxide and optional temperature & RH measurement.
? Smart buttons for easy operation
? Excellent electrochemical CO sensor with more than 5 years lift time
? Replaceable CO sensor
? Provide 1X analog linear output (0~10VDC/4~20mA selectable)
for the measurement
? Providing up to two dry contact outputs with presetting the setpoint
? Modbus RS485 communication interface optional
? Provide two easy methods for calibration and setup alarm points by end users: infrared remote controller or a software via RS485

? 24VAC/VDC power supply
? CE-Approval

Typical Applications
? In office and residence areas to detect CO level
? In undergroung parking lots and garages
? In BAS to detect the CO and the data transmittance
? For greenhouse and plant bin
? For ventilation control system
Specifications
Sensors
Gas Sensor Electrochemical carbon monoxide sensor
Sensor lifetime Normally more than 3 years, replaceable
Warm up time 1hour (first time)
Response Time Within 60 seconds
Signal Update 1s
CO Measuring Range 0~500ppm(default)/0~100ppm/0~1000ppm selectable
Accuracy <1ppm+5%reading
Stability ±5% (over 900 days)
Temperature & Humidity Sensor (optional) Temperature Relative Humidity
Sensing element: Band-gap-senor Capacitive humidity sensor
Measuring range -20℃~60℃ 0 -100%RH
Accuracy ±0.5℃ (20~40℃) ±4.0%RH (25℃, 15%-85%RH)
Display resolution 0.1℃ 0.1%RH
Stability ±0.1℃per year ±1%RH per year
Outputs
LCD Display (optional) Display CO measurement
or CO+ temperature& humidity measurements
Analog Output 1X0～10VDC or 4~20mA linear output
Analog Output Resolution 16Bit
Relay dry contact Output Up to two dry-contact outputs
Max, switching current 3A (230VAC/30VDC), resistance Load
Modbus Interface Modbus RS-485 with 19200bps(default), other rates selectable
in the

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Tongdy

Address: 3-3-5/F IN-DO MANSION, No.48-jia Zhichun Road, Haidian District, Beijing, Beijing, China, 100098
Tel: 86-15101027950
Tongdy Control Technology Co., Ltd., founded in 1999 in Beijing China, is a leading hi-tech company engaged in design and manufacture of control products for BAS and HVAC systems. With more than 10 years?experience in product design and research, now Tongdy's product range has covered programmable and non-programmable digital room thermostats for HVAC systems, digital humidity detectors and controllers, and various IAQ detectors and controllers like say for carbon dioxide (CO2), carbon monoxide (CO), ozone (O3) and VOC. All above Tongdy products are available with options like Modbus RS485 interface and some of the thermostats can be provided with BACnet protocol. USB data logging and Zigbee wireless communication are also selectable for some of our IAQ products. With a team of highly talented and experienced engineers, Tongdy is capable of providing the best products possible with excellent performance, super reliability, and competitive prices, and creating new product lines constantly. In addition, Tongdy offers customized services to meet special requirements. Our ODM services have received positive feedbacks due to our accurate understanding and following up of customer抯 requirements. Now Tongdy抯 market has reached not just the Europe, North America, but also the South America, Asia Pacific and the Gulf Area. Our sales volume has increased for more than 30% each year during the last three years. And with the expectation of an even prosperous future, we are about to move in our own building located in the Environment Protection Park in Northwest Beijing!