ALS20-Ambient Light Sensor, Illuminance Transmitter, RS485, Modbus

Time:2019/12/06 View:9035 Category:Ambient Light & Illuminance Category:Analog Category:Measurements Category:Products

ALS20 ambient light sensor, or illuminance sensor, measures the ambient illuminance. Each sensor is calibrated and offers excellent accuracy and consistency. The sensor is applicable for science research, solar power , greenhouse, weather station etc.

Resources
User Manual	UM-ALS20 Ambient Light Sensor
Software	SensorOneSet-EN

■ Output interface with RS485, Voltage or Current

■ Level indicator and spring loaded for installation

■ Water proof to IP66 can be used outdoor directly

■ High accuracy and consistency with excellent stability

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

Specifications
Output Interface	Analog Voltage 0-2V (Output resistance ~0ohm)	Analog Current 4-20mA (Load Resistor<500ohm)	RS485 Modbus-RTU
Power Supply	3.9-30V/DC	12-30V/DC	3.9-30V/DC
Power Consumption	7mA@24V DC	30mA@24V DC (with 20mA output signal)	7mA@24V DC
Illuminance Range	Range:0～2000 Lux, Accuracy: ±5% , Resolution:1lux Range:0～5000 Lux, Accuracy:±5% , Resolution:1lux Range:0～10000 Lux, Accuracy:±5% , Resolution:1lux Range:0～20000 Lux, Accuracy:±5% , Resolution:1lux Range:0～100000 Lux, Accuracy:±5% , Resolution:1lux Range:0～200000 Lux, Accuracy:±6% , Resolution:1lux
Direction Error	30°±3%,60°±6%,80°±24%（Consine Characteristics）
IP Ratings	IP66
Operating Temperature	-40~85℃
Installation	Screw hole * 3
Cable Length	2 meters, or Customize
Dimension	755558mm

Parameters

Code

Comments

Code 1:Product Series

ALS20

ALS20 ambient light sensor

Code 2: Range

0-2000 Lux

0-5000 Lux

0-10000 Lux

0-20000 Lux

0-100000 Lux

0-200000 Lux

Customize

Code 3:

Power Supply

3.9-30V DC

2.7-16V DC

Code 4:

Output Interface

Analog Voltage 0-2V

Analog Current 4-20mA

RS485,Modbus-RTU

RS485,Modbus-RTU & Analog Voltage 0-2V

RS485,Modbus-RTU & Analog Current 4-20mA

SDI-12

Customize

Code 5:

Cable Length

002

XXX

2 meters

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

Ordering Code Example:

ALS20 ambient light sensor, Range 2000000 lux, Power Supply 3.9-30V DC, Output Interface RS485 ModbusRTU, Cable length 5 meters. Ordering Code is: ALS20-FAC005