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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.

 

Resources
User Manual UM-Daisy20 compact weather station transmitter
Software N/A

 

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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