Daisy20-compact weather station transmitter, RS485, Modbus

Time:2019/12/06 View:7492 Category:Air Humidity & Temperature Category:Air Humidity & Temperature & Barometric Pressure Category:Ambient Light & Illuminance Category:Gas Concentration Category:Measurements

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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	SensorOneSet-EN

■ 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	DiameterHeight=140300mm

Parameters

Code

Comments

Code 1:

Product Series

Daisy20

Daisy20 compact weather station

Code 2:

Power Supply

9-30V DC

Code 3:

Output Interface

RS485,Modbus-RTU

Code 4:

Cable Length

002

XXX

2 meters

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

Code 5:

Mounting Kit

N/A

Code 6:

Temperature

-40-80℃, +/-0.3℃ (SENSIRION? SHT20)

-40-80℃, +/-0.3℃ (SENSIRION? SHT21)

-40-80℃, +/-0.2℃ (SENSIRION? SHT25)

N/A

Code 7:

Humidity

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

YES

N/A

Code 9:

Barometric

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

N/A

Code 10:

Illuminance

0-200000 lux

None

Code 11:

CO2

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