
Pipeline CO2 Transmitter
Smart Sensors
Basic characteristics of ducted CO₂ sensors/transmitters
- Application Scenarios: Intelligent buildings, HVAC systems (e.g. airports, subway stations, garages, etc.), automatic control of ventilation systems based on CO2 concentration, reduction of energy consumption.
- Sensing Principle: Near Infrared (NDIR) technology, high precision, no interference.
- Accuracy range: ± (30~50) ppm + (3%~10%), response time less than 10 seconds, automatic calibration.
- Output Signal
- Analog: 4~20mA, 0~10VDC.
- Digital signal: RS485 (half duplex, 2-wire, communication distance ≤ 1200 meters).
- Environmental adaptability :
- Operating temperature: -10℃~60℃, humidity 0~95% RH (non-condensing).
- Storage temperature : -40℃~70
$26.00 - $35.00

Carbon monoxide emitters with channels
Smart Sensors
Basic parameters of CO2 line sensors
- Application: Automatic control of ventilation systems in garages, workshops and other places.
- Detection: Electrochemical principle, accuracy ± (3~5) ppm, response <10 sec.
- Output: 4~20mA / 0~10V / RS485 (communication distance 1200 meters).
- Environment: Operation -10~60℃, Storage -40~70℃, IP protection.
- Installation: Pipe flow probe, standard calibration
$23.00 - $38.00

Damper Trigger
Smart Sensors
Basic settings for valve actuation
- Application: End control of central air conditioning systems for VAV/ventilation/cooling.
- Torque options: 8/16/24/32 Nm .
- Control modes
- Switch type: 2-point control / 3-point control.
- Control mode: 0-10 V / 4-20 mA analog.
- Feedback signal: 0-10 V / 4-20 mA (optional auxiliary switch).
- Environmental adaptability operation -20~50
$60.00 - $65.00

microwave detector
Smart Sensors
CW.IDS Microwave Detector Basic Settings
- Detection principle: Active microwave sensing, 360° detection (radius adjustable from 1 meter to 8 meters).
- Applicable loads: monitoring/alarm/LED lighting/extractor fan, etc. (power ≥ 0.2W).
- Penetration ability: can be used through doors/windows/walls.
- Environmental adaptability: working voltage DC12-24V, light control 10-500LUX.
- Energy-saving mode: automatic time-delayed shutdown when there is no cell phone signal.
$22.00 - $45.00

Liquid Level Switch
Smart Sensors
CW.MAC3 Level MAC3 Basic Key Parameters
- Principle: Mechanical float switch, operating angle ±45°.
- Load capacity: 10A/250V~380V (micro switch)
- Durability IP68 protection class, switch life ≥ 50,000 cycles.
- Environmental adaptability: Operating temperature 0-50°C, storage temperature -20-80
- Application: Liquid pump control / submerged pump protection, alarm current ≤ 50mA.
$10.00 - $20.00

Differential Pressure Switch
Smart Sensors
Differential pressure switch CW.
- Application: Differential pressure control of ventilation ducts/industrial gases (non-corrosive gases)
- Measuring range: 20-200 Pa/30-300 Pa (return ±15)
- Output: 2.5A/250V AC or 5A/24V DC
- Durability: Mechanical life > 1 million times (silver composite contacts)
- Working environment -20~85℃, pressure 10kPa, IP protection
$10.00 - $20.00

Water pipe temperature transmitter
Smart Sensors
CW-702 Basic Settings for Water Pipe Temperature Transmitter
- Application: Air conditioning water system/chiller temperature measurement/treated water for various environments.
- Accuracy: ±0.3℃/±0.5℃/±1℃ (Response 2-5 minutes).
- Output: 4-20mA/0-10V/RS485 (connection distance 1200 meters).
- Protection grade : IP grade, working temperature -20~80℃ (anti-condensation design).
- Installation: Multi-probe length optional, need to support the fuselage protection.
$20.00 - $45.00

PM2.5 Emitters for Indoor Use
Smart Sensors
PM2.5 Basic parameters of indoor sensors
- Detection principle: Optical particle counting (1 µm particles +) with an accuracy of ± 10 µg/m³ ± 10 %.
- Output signal 4-20mA/0-5V/0-10V/RS485 (Modbus protocol, 1200 meters connection).
- Environmental adaptability: working temperature -10~60℃ (20-80% RH), response time 15 minutes.
- Application Scenario: Intelligent Building/Air Conditioning/HVAC/Heating and Cooling System, support factory/office environment monitoring.
- Calibration and Maintenance: Standard calibration, IP protection (anti-condensation design).
$45.00 - $60.00

Universal Pressure Transmitter
Smart Sensors
CW-301 Pressure Transmitter Basic Parameters
- Measuring range: liquid/gas pressure (compatible with 316L material)
- Accuracy level: ±0.25%FS/±0.5%FS/±1%FS optional
- Output signal: 4-20mA/0-5V/0-10V/RS485 (Modbus protocol)
- Structural features miniaturized design, multiple interface options, corrosion-resistant customization.
- Installation and maintenance: ready to install, IP rating
$30.00 - $60.00

optical level transmitter
Smart Sensors
CW-905 Basic settings for the light level transmitter.
- Measuring range: 0 – 200,000 lux (visible light 400 – 700 nm), response time <5 seconds.
- Accuracy ±3% ~ ±10% of visible light Optional IP65 degree of protection (with waterproof connector).
- Output signals 4-20mA/0-10V/RS485 (Modbus protocol, address adjustable).
- Installation features Compact and portable, universal for indoor and outdoor, supports communication code/software configuration.
- Connection configuration: baud rate 1200-38400 bps (standard 9600), data format 8N2.
$40.00 - $60.00

Temperature and Humidity Transmitter Channel
Smart Sensors
Basic Parameters of CW-601 Temperature and Humidity Transmitter
- Measurement performance: temperature ±0.3℃~±1℃, humidity ±2%~±5%RH (response within 2-5 minutes).
- Protection design: polymer filter, moisture-proof and dust-proof, prolonging service life.
- Output signal: 4-20mA/0-10V/RS485 (industrial standard interface).
- Application Scenario: HVAC/Engine room/Agriculture/Biopharmaceutical and other environmental control.
- Installation features: ducted probe design for dusty and humid environments.
$22.00 - $35.00

Oxygen Transmitter
Smart Sensors
Basic Parameters of CW-811 Oxygen Transmitter
- Sensing principle: electrochemical sensor, accuracy ±2%FS, response time ≤10 seconds
- Range option 1PPM / 0.1%V / 0.01%V Accuracy
- Output signal: 4-20mA / 0-5V / 0-10V / RS485 (industry standard interface).
- Typical applications: medical/laboratory/air-conditioning systems, supporting automatic ventilation control.
- Environmental adaptability: IP protection class, working temperature -10~50℃.
$30.00 - $40.00

Volatile organic compound emitters for indoor use
Smart Sensors
CW-809 VOC Transmitter Basic Settings
- Gas Detection: Toluene/Ammonia/Alcohol and other VOCs, including temperature and humidity compensation.
- Sensor: Metal Oxide Semiconductor, Service life: 5-7 years.
- Performance: Accuracy ±3%~5%FS, Response time 60 seconds (T90).
- Ausgang: 4-20mA/0-5V/0-10V/RS485.
- Stabilization time: 15 minutes warm-up time, energy-saving design.
$35.00 - $55.00

Built-in carbon dioxide transmitter
Smart Sensors
Transmitter Basic Setup CO₂ CW-808
- Sensing Principle: NDIR infrared technology, Accuracy ± (30~50) ppm ± (3%~10%).
- Response speed: <10 seconds, can be auto-calibrated.
- Output signal: 4-20mA/0-5V/0-10V/RS485 (industrial standard interface).
- Intelligent control: automatically start and stop the ventilation system according to CO2 concentration.
- Applicable scenes: garage/workshop/intelligent building, energy-saving ventilation system control.
$35.00 - $55.00

Carbon monoxide emitters for indoor use
Smart Sensors
CW-807 CO Transmitter Basic Settings
- Sensing principle: Electrochemical sensor, accuracy ± (3~5) ppm ± (3%~5%).
- Response speed: <10s, support 4-20mA / 0-5V / 0-10V / RS485 output.
- Connection security: carbon dioxide exceeds the standard, automatically start the fresh air system operation.
- Applicable scenes: garage/building/station and other indoor scenes.
- Stability: Imported sensor chip, long-term reliable.
$25.00 - $45.00

Indoor temperature and humidity transmitter
Smart Sensors
CW-801 Temperature and Humidity Transmitter Basic Settings
- Measurement accuracy: temperature ±0.3℃~±1℃, humidity ±2%~±5%RH (response 2-5 minutes).
- Display function: industrial LCD screen, real-time display of temperature and humidity data.
- Output signal: 4-20mA/0-5V/0-10V/RS485 (industrial standard interface).
- Installation features: small and exquisite, ready to install, suitable for PLC/inverter and other equipment.
- Application Scenario: Indoor environment with high requirements for temperature and humidity.
$30.00 - $40.00













