Features

▪ Intelligent algorithms that compensate for environmental conditions and for the aging of the sensor element

▪ Compact design; easy to deploy in the field

▪ Low power consumption (typically 0.5 W)

▪ RS-485 interfaces for local connectivity (such as Modbus support)

▪ Easy integration and open API

Specifications

Measture item	Principle	Range	Resolution	Accuracy
Atmospheric temperature	Energy gap method	-40-60℃	0.1℃	±0.3℃(25℃)
Atmospheric humidity	Capacitance method	0-100%RH	0.1%	±3%RH
Atmospheric pressure	Piezoresistive	300-1100hpa	0.1hpa	±0.5hpa(0-30℃)
PM2.5	Laser way	0-1000ug/m³	1ug/m³	±10%(<500μg)
PM10	Laser way	0-1000ug/m³	1ug/m³	±10%(<500μg)
CO	Electrochemical principle	0-12.5ppm	≤10ppb	±1.5%F.S
SO2	Electrochemical principle	0-2000ppb	≤10ppb	±1.5%F.S
NO2	Electrochemical principle	0-2000ppb	≤10ppb	±1.5%F.S
O3	Electrochemical principle	0-2000ppb	≤10ppb	±1.5%F.S
Wind speed	Ultrasonic	0-60m/s	0.01m/s	((0-30m/s)±0.3m/s or±3%
Wind direction	Ultrasonic	0-360°	0.1°	±2°
Rianfall	Photology	0-200mm/h	0.2mm	Error±10%

Supply	12-24VDC
Output	RS485(Modbus)
fixed form	Sleeve fixed, flange fixed
Power consumption	<1.2w@12V
Ingress Protection	IP65
Work Environment	Temperature: -40-70℃;Humidity: 5-90%RH
Add function	● data collector (net port, GPRS) ● Fixed brackets (1.5m, 3m) constitute a complete set of monitoring station ●B/S architecture software platform, mobile APP client software (android version only) ● Solar power system
Main material	ASA+engineering plastics
Mounting frame	1.5m, 3m Flange, 1.8m tripod
GPS	Device tracking and positioning
Data Release	PC,Telephone APP,LED,LCD TV display, etc

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Products

HCD6820 Monitoring Sensor – Air Quality Transmitter