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Daisy20-compact weather station transmitter, RS485, Modbus

Daisy20-compact weather station transmitter, RS485, Modbus

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Daisy20 measures air temperature, humidity, dew point, barometric pressure, ambient light (Illuminance), and CO2 concentration with RS485 interface Modbus-RTU protocol. The sensor is applicable for science research, irrigation, greenhouse, smart agriculture etc.

Daisy20 measures air temperature, humidity, dew point, barometric pressure, ambient light (Illuminance), and CO2 concentration with RS485 interface Modbus-RTU protocol. The sensor is applicable for science research, irrigation, greenhouse, smart agriculture etc.

■ Air temperature, humidity, dew point, barometric pressure, illuminance, CO2 measurement

■ Output Interface with RS485 Modbus-RTU

■ Water proof to IP68 ratings

■ High accuracy with excellent stability

■ Reverse power protection and Built-in TVS/ESD protection

Specifications
Output Interface RS485 Modbus-RTU
Power Supply 9-30V/DC
Power Consumption 20mA@24V DC
Warm up time 30 seconds
Temperature Range:-40~80℃, Resolution:0.01℃, Accuracy: +/-0.2℃(SENSIRION? SHT25)

Range:-40~80℃, Resolution:0.01℃, Accuracy: +/-0.3℃(SENSIRION? SHT21)

Range:-40~80℃, Resolution:0.01℃, Accuracy: +/-0.3℃(SENSIRION? SHT20)

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)

Barometric Range: 300-1100mbar

Resolution:0.1mbar

Accuracy:+/-0.15mbar(Relative Accuracy),+/-1mbar(Absolute Accuracy)

Illuminance Range:0~200000 Lux, Accuracy:±6% , Resolution:1lux

Direction Error : 30°±3%,60°±6%,80°±24%(Consine Characteristics)

CO2 concentration Range 0-1000ppm, Accuracy ±(50ppm+3% Reading value) , Resolution 1ppm

Range 0-2000ppm, Accuracy ±(50ppm+3% Reading value) , Resolution 1ppm

Range 0-5000ppm, Accuracy ±(50ppm+3% Reading value) , Resolution 1ppm

Range 0-10000ppm, Accuracy ±(10% Reading value), Resolution 1ppm

Range 0-30000ppm, Accuracy ±(10% Reading value), Resolution 1ppm

Range 0-50000ppm, Accuracy ±(10% Reading value), Resolution 1ppm

IP Ratings IP68
Operating Temperature -40~85℃, 0-95%RH
Installation Mounting hole installation
Cable Length 2 meters or Customize
Dimension Diameter*Height=140*300mm

 

Parameters Code Comments
Code 1:

Product Series

Daisy20 Daisy20 compact weather station
Code 2:

Power Supply

A 9-30V DC
Code 3:

Output Interface

A RS485,Modbus-RTU
Code 4:

Cable Length

002

XXX

2 meters

Customize, XXX is required cable length(Unit: meter)

Code 5:

Mounting Kit

A

X

Mounting Kit

N/A

Code 6:

Temperature

A

B

C

X

-40-80℃, +/-0.3℃ (SENSIRION? SHT20)

-40-80℃, +/-0.3℃ (SENSIRION? SHT21)

-40-80℃, +/-0.2℃ (SENSIRION? SHT25)

N/A

Code 7:

Humidity

A

B

C

X

0-100%RH, +/-3%? (SENSIRION? SHT20)

0-100%RH, +/-2%? (SENSIRION? SHT21)

0-100%RH, +/-1.8%? (SENSIRION? SHT25)

N/A

Code 8:

Dew Point

A

X

YES

N/A

Code 9:

Barometric

A

 

X

300-1100mbar, +/-0.15mbar(Relative Accuracy),+/-1mbar(Absolute Accuracy)

N/A

Code 10:

Illuminance

A

X

0-200000 lux

None

Code 11:

CO2

A

B

C

D

E

F

X

0-1000ppm

0-2000ppm

0-5000ppm

0-10000ppm

0-30000ppm

0-50000ppm

N/A

Ordering Code Example:

Daisy20 compact weather station, Power Supply 9-30V DC, Output interface RS485,Modbus-RTU, Cable length 2 meters, With Mounting Kit, Temperature -40-80℃, +/-0.3℃ (SENSIRION? SHT20), Humidity 0-100%RH, +/-3%? (SENSIRION? SHT20), With Dew Point, Barometric 300-1100mbar, +/-0.15mbar(Relative Accuracy),+/-1mbar(Absolute Accuracy), Illuminance N/A, CO2 N/A, Ordering Code is : Daisy20 – AA002AAAAAXX

 

 

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