DigiTHP-Gen2 Vapor Pressure, Air Temperature, Humidity, Barometric Sensor with SDI-12 RS485 Modbus interface
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DigiTHP-GEN2 is an air humidity, temperature and barometric pressure sensor. The sensing elements are located on a PCB in the tip of the sensor. The acquisition circuit is completely over-moulded. Temperature and humidity sesor is based on a precision SENSIRION? sensor. An additional BOSCH?MEMS chip measures barometric pressure. Each sensor is individually factory-calibrated. With dimensions of only 108mm x 16mm, the sensor can easily be fitted into many standard radiation shields and field application.
The SDI-12 output provides universal compatibility with any SDI-12-enabled data logger and low power applications, or use a RS485 physical interface for applications that require long cable runs or many sensors.
Resources | |
User Manual | UM-DigiTHP-GEN2 Digital Temperature Humidity Barometric Sensor-RS485-SDI-12-V1.0 |
Software | SensorOneSet-EN |
DigiTHP-GEN2 is an air humidity, temperature and barometric pressure sensor. The sensing elements are located on a PCB in the tip of the sensor. The acquisition circuit is completely over-moulded. Temperature and humidity sensor is based on a precision SENSIRION? sensor. An additional BOSCH?MEMS chip measures barometric pressure. Each sensor is individually factory-calibrated. With dimensions of only 108mm x 16mm, the sensor can easily be fitted into many standard radiation shields and field application.
The SDI-12 output provides universal compatibility with any SDI-12-enabled data logger and low power applications, or use a RS485 physical interface for applications that require long cable runs or many sensors.
Features
■ High precision SENSIRION humidity/Temperature sensor and BOSH barometric sensor
■ Secondary measurements including dew, frost point, vapor pressure, vapor concentration, etc.
■ Digital Output SDI-12 or RS485 with built-in surge protection
■ Small size with high accuracy with excellent stability
■ Cleanable 10um Copper sintering filter cap
■ Wall mounting or Pipe flange insertion installation
■ Reverse power protection and Built-in TVS/ESD protection
■ Excellent price-performance ratio
Applications
■ Smart agriculture
■ Greenhouse monitoring
■ Canopy monitoring
■ Reference evapotranspiration calculations
■ Routine weather monitoring
■ Building humidity monitoring
■ Mold remediation
■ Modeling processes that are affected by vapor pressure or humidity
Specification | |||
Output Interface | Optional: SDI-12, V1.3
Optional: RS485, Modbus-RTU |
||
Power Supply | 4.5-18V/DC | ||
Power Consumption | SDI-12 Interface: Quiescent Current : <10uA
RS485 Interface: Quiescent Current : <300uA Measuring Current : 10mA during 50ms measurement |
||
Humidity | Range:0-100%, Resolution:0.01%, Typical Accuracy: +/-1.0% RH(SHT45) Range:0-100%, Resolution:0.01%, Typical Accuracy:+/-1.8% RH(SHT40) | ||
Temperature | Range:-40~125°C, Resolution:0.01°C, Accuracy: +/-0.1°C(SHT45)
Range:-40~125°C, Resolution:0.01°C, Accuracy: +/-0.2°C(SHT40) Attention: The long term operating temperature is -40~80°C |
||
Barometric | Range: 300-1100mbar, Resolution:0.1mbar
Accuracy:+/-0.15mbar(Relative Accuracy),+/-1mbar(Absolute Accuracy) |
||
Operating | -40~80°C, No condensing | ||
IP Ratings | IP56 | ||
Installation | Wall mounting or Pipe flange insertion | ||
Cable Length | 2 meters or Customize | ||
Dimension | Sensor Body 110*16mm |
Ordering Information | |||
Parameters | Code | Comments | |
Code 1:Product Series | DigiTHP-GEN2 | DigiTHP-GEN2, The 2nd Generation DigiTHP sensor | |
Code 2:Measuring Parameters | A | Air Humidity, Temperature, Barometric measurement, The secondary measurement including: dew, frost point, vapor pressure, vapor concentration, etc. | |
Code 3: Accuracy | A
C |
±0.2℃,±1.8%RH,±1hPa(SHT40 & BMP280 Typical)
±0.1℃,±1.0%RH,±1hPa(SHT45 & BMP280 Typical) |
|
Code 4: Power Supply | C
X |
4.5-18V DC
Customize |
|
Code 5: Output Interface | A
B X |
RS485(Modbus-RTU)
SDI-12 Customize |
|
Code 6: Encapsulation | A
X |
Standard(ABS+ Copper sintering filter)
Customize |
|
Code 7: Connector | B
C |
Cold pressed terminal
Stripped & tinned lead wires |
|
Code 8: Cable Length | 002
XXX |
2 Meters
Customize, XXX is required cable length(Unit: meter) |
|
Ordering Code Example:DigiTHP-GEN2-A A C A A B 002
Product Series: DigiTHP-GEN2, The 2nd Generation DigiTHP sensor; Measuring Parameters: Air Humidity, Temperature, Barometric measurement; Accuracy: ±0.2℃,±1.8%RH,±1hPa(SHT40 & BMP280 Typical); Power Supply: 4.5-18V DC Output Interface: RS485(Modbus-RTU); Encapsulation: Standard(ABS+ Copper sintering filter); Connector: Cold pressed terminal; Cable Length: 2 Meters |
RS485 Wiring
SDI-12 Wiring
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