New product release Junda intelligent integrated environmental monitoring terminal

One 、 Product overview
This product is an intelligent environmental quality detection transmitter independently developed by our company , Used to detect the temperature in the environment 、 humidity 、PM2.5、PM10、PM1.0、TVOC、 Environmental smoke and other elements , It basically covers various indicators reflecting air quality . The transmitter adopts high-precision temperature and humidity detection sensor and control chip , High precision 、 high resolution 、 Good stability . Support wide pressure DC5V~24V DC power supply ,RS485 Test signal communication , standard Modbus-RTU agreement . It is widely used in building HVAC 、 Building energy efficiency 、 Smart home 、 School 、 The hospital 、 Airports, stations and other places .

  Two 、 Product characteristics
①CPU High speed microprocessor

② The system has a built-in watchdog , Effectively prevent system downtime

③ Support temperature and humidity detection

④ Support PM2.5、PM10、PM1.0、TVOC、 Environmental smoke detection

⑤ Support a wide range of power supply

⑥ Support Modbus RTU Standard communication protocol

⑦ Support on-site audible and visual alarm

⑧ Installation mode ： Ceiling type / Wall mounted

3、 ... and 、 Technical parameters
Ø Power specification ：

Power supply range ：DC9V~24V

Rated power consumption ：1W （ stay DC12V Under power supply environment Maximum current 80mA）

Ø Temperature and humidity parameters ：

Temperature accuracy ：±0.5℃ Range ：-20℃ ~ 70℃

Humidity accuracy ：±3% Range ：0% ~ 100%

Ø PM1.0,PM2.5,PM10 Parameters ：

precision ：±15μg/m³ Range ：0~100μg/m³

precision ：±15% Range ：100~1000μg/m³

Ø TVOC Parameters ：

Typical accuracy （25℃ 50%RH）：30% F.S （ maximum error 50% F.S）

Range : 0-99999ppb

working temperature ：0℃～50℃ Working humidity ：0～95%RH

Warm up time ：>=120 second

Factory standard test gas : Ethanol

Ø Communication mode ：

RS485 The signal

standard Modbus RTU Communication protocol

Support address , Baud rate can be set

Ø Shell ：

appearance ： White circle

Size ： The diameter of 168mm* The thickness of the 31mm

Installation mode ： Ceiling type / Wall mounted

Four 、 Communication interface definition

① Interface diagram  

② Description of indicator definition
Ø RS485 Send indicator [ Orange ]： The indicator flashes when the system sends

Ø RS485 Receiving indicator [ green ]： The indicator flashes when the system receives

Ø System operation indicator [ Orange ]： Normally, it flashes once per second , Otherwise abnormal

Ø Power indicator [ green ]： Normally, it is always on , Otherwise abnormal

Ø Warning indicator [ Red ]： Flash quickly when the environment is abnormal , Otherwise, every 10 One flash per second

Ø Sensor abnormal indicator [ Orange ]： Normally, it often goes out , Flash when the sensor is abnormal

Ø Buzzer ： The buzzer prompts when the environment is abnormal

③ Dialing function definition : Support 3 Dialing code ： Used for communication address selection  

The communication address is set with a dial switch , When the switch is turned to the upper end, it means 0, Dial to the digital end as 1. The following table ：

  Be careful ： The dial address setting must take effect after power on again . Default baud rate 9600, Up to... Can be set 7 An address , You can switch to the software setting mode when you need to use more addresses or modify the baud rate , Use modbus 03 Function code setting
 

5、 ... and 、 Environmental norms
① working temperature ：-20°C~ 70°C

② Storage temperature ：-40°C ~ 85°C

③ Working humidity ： No condensation 0%RH ~ 100%RH

④ Storage humidity : No condensation 0%RH ~ 100%RH

6、 ... and 、 Communication protocol
① Support Modbus RTU Communication protocol

② Default address 1, Baud rate 9600, Support settable

③03 Function code data definition ： Data configuration and query , Support use 06 Function code configuration

7、 ... and 、 Product installation
Step one ： Punch holes in the wall first , Fix the installation tray to the wall or roof , The installation hole diameter and spacing are shown in the figure below

  Step two ： Fix the mounting block , Snap the device clip into the mounting base , As shown in the figure below
 

8、 ... and 、 Air quality reference information

explain :

① The air is fine :≤300ppb, Fresh air , Open the window for ventilation after the rain , This level of fresh air can be obtained in the park environment in the morning ;

② A trace of river dye :≤1500ppb, Trace pollution . Indoor shenku ,TVOC And other harmful gases are near the critical point of the lowest limit value of the indoor air standard

③ Light pollution :≤3000ppb、 Light pollution . Or the body of a person with a strong physique has experienced illness or physical inactivity . At the same time, check whether anyone smokes, drinks or disinfects with alcohol , It is recommended to open windows for ventilation or open fresh air for purification :

④ Moderate pollution :≤5000ppb, Moderate pollution , Long time in this environment will affect your health , People with complications or allergic constitution should not stay for a long time , Windows shall be opened for ventilation or fresh air purification shall be adopted as soon as possible ;

⑤ Severe pollution :≤10000ppb, Severe pollution , Check whether there are fire hazards in the air 、 The cooking process did not turn on the range hood to smoke and drink , Use alcohol to disinfect or use toilet water perfume , Windows shall be opened for ventilation or fresh air purification shall be adopted as soon as possible ;

Ø according to PM2.5 New air quality standards ,24 The distribution of standard values of hourly mean values is as follows ：

 

  More perfect UPS、 Precision air conditioning 、 Battery inspection and other product supporting schemes and technical services , Please comment or leave a message below , Guangzhou Junda technology will give you a detailed answer .
Click the following link to learn about the consultation ：

Indoor air environment monitoring terminal pm2.5pm10 Temperature and humidity TVOC Multi parameter system intelligent detector https://item.taobao.com/item.htm?spm=a21dvs.23580594.0.0.621e3d0dr5oYOl&ft=t&id=674741410020