1. Introduction :
DG-THP is an air humidity, temperature and barometric pressure sensor with RS485 modbus interface. 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 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.
2. Advantages :
1. Air humidity, temperature, dew point and barometric pressure sensor ;
2. RS485 modbus-RTU interface ;
3. Small size with high accuracy with excellent stability ;
4. Cleanable 10um Copper sintering filter cap ;
5. Cleanable 10um Copper sintering filter cap ;
6. Reverse power protection and Built-in TVS/ESD protection ;
7. Excellent price-performance ratio
3. Specification:
| Humidity | Range:0-100%, Resolution:0.01%, Accuracy:+/-1.8% RH(SENSIRION? SHT25)
Range:0-100%, Resolution:0.01%, Accuracy:+/-2% RH(SENSIRION? SHT21) Range:0-100%, Resolution:0.01%, Accuracy:+/-3% RH(SENSIRION? SHT20) |
| Temperature | Range:-40~80ºC, Resolution:0.01ºC, Accuracy: +/-0.2ºC(SENSIRION? SHT25)
Range:-40~80ºC, Resolution:0.01ºC, Accuracy: +/-0.3ºC(SENSIRION? SHT21) Range:-40~80ºC, Resolution:0.01ºC, Accuracy: +/-0.3ºC(SENSIRION? SHT20) |
| Barometric | Range: 300-1100mbar
Resolution:0.1mbar Accuracy:+/-0.15mbar(Relative Accuracy),+/-1mbar(Absolute Accuracy) |
4. Parameters :
| Parameters | Code | Comments |
| Code 1:Product Series | DigiTHP | DigiTHP sensor |
| Code 2:Measuring Parameters | A | Air humidity, temperature , dew point and barometric pressure |
| Code 3:Temperature Accuracy | A
C | -40-80ºC, +/-0.3ºC (SENSIRION? SHT20)
-40-80ºC, +/-0.3ºC (SENSIRION? SHT21) -40-80ºC, +/-0.2ºC (SENSIRION? SHT25) |
| Code 4:Humidity Accuracy | A
B C | 0-100%RH, +/-3%? (SENSIRION? SHT20)
0-100%RH, +/-2%? (SENSIRION? SHT21) 0-100%RH, +/-1.8% ?(SENSIRION? SHT25) |
| Code 5:Barometric Accuray | A | 300-1100mbar, +/-0.15mbar(Relative Accuracy),+/-1mbar(Absolute Accuracy) |
| Code 6:Power Supply | A
B | 3.6-24V DC
2.7-16V DC |
| Code 7: Output Interface | A
C | RS485, Modbus RTU
Customize |
| Code 8: Cable Length | 002
XXX | 2 meters
Customize, XXX is required cable length(Unit: meter) |
| Ordering Code Example: DGTHP sensor with Air humidity, temperature and barometric pressure ,dew point, Temperature Accuracy -40-80ºC, +/-0.3ºC, Humidity Accuracy 0-100%RH, +/-3%, Barometric Accuray 300-1100mbar, +/-0.15mbar(Relative Accuracy),+/-1mbar(Absolute Accuracy) , Power Supply 3.6-24V DC, Output Interface RS485 Modbus-RTU, Cable Length 5 meters. | ||
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