Handheld touchscreen scientific grade in-situ environmental meteorological instrument

1、 Scope of application: Greenhouse planting, park green belts, hotels, restaurants, museums, schools, office buildings, hospitals, stations, special breeding, general breeding, aquaculture, construction sites, tourist attractions, museums, hydrology and water resources (scientific research, teaching, construction) majors, food processing and production, fermentation industry, edible mushroom cultivation, meteorological data monitoring, tissue culture rooms, and various outdoor or facility environments that require precise and accurate flow of meteorological, air, water quality, soil, ecological environment and other project parameter data. If necessary, the above data can also be wirelessly sent to cloud servers through GPRS network to generate database files. Users can view real-time and historical data at any time through mobile phones and computers, as well as historical curves, bar charts and other forms.

2、 Performance characteristics:

1. The waterproof rating of the engineering plastic body is IP65, with a long lifespan, easy portability, anti-interference, and anti vibration properties. Ergonomic all plastic body design, anti-oxidation and corrosion-resistant, aesthetically pleasing and coordinated, with strong visual appeal. Handheld operation is convenient and coordinated, comfortable and safe.

2. Operation interface: True color 4-inch touch screen with Chinese display, adjustable screen brightness within the range of 0-60 values, can adapt to the display needs of different environments and external lighting. Intelligent operating system, stable without crashing. Humanized operation interface, simple and convenient operation, accurate and intuitive. Equipped with screen touch sound reminder function.

3. Operating System: High intelligence operating system, suitable for industrial applications, stable, secure and reliable system. Equipped with a reset button. Low power consumption setting, long standby time, suitable for users to conduct long-term outdoor inspections. Equipped with high-strength precision aluminum alloy chassis for easy portability.

4. Communication interfaces: USB interface, wireless GPRS transmission interface, and RJ45 interface (optional), can also be expanded with RS232 interface, RS485 interface, and WiFi interface (optional).

5. Networking methods: handheld offline and handheld GPRS online. By directly setting the IP address and port number of the cloud server through the local touch screen, data can be transmitted to the cloud platform, enabling data transmission with various IoT platforms;

6. Data collection: The data collection of this machine can be done in two ways: automatic and manual. The manual mode can collect and store data freely. When using the automatic mode, the user sets the time interval for automatic database collection (0-1440 minutes range, 0 is manual mode). The collected data can be randomly stored or uploaded to the cloud server.

7. Data query: This machine can view historical data and also delete test records.

8. Camera function: The camera function can be extended, and the instrument acquisition interface has a camera button, which enables manual and automatic photography. The photos can also be transmitted to the upper computer for viewing, analysis, and saving (optional).

9. Storage function: Random storage of no less than 30 million sets. Standard Micro SD expansion card slot and 2G memory card, with a maximum expandable capacity of 16GB of memory.

10. Setting interface: It can set screen brightness (1-64 adjustable), sleep time (5-99 seconds adjustable), collection time (0-1440 minutes adjustable), soil type, GPS switch, voice volume, networking mode, and server IP address and port number. Power failure does not result in loss of setting parameters.

11. Clock display: Real time display of the current time year month day hour minute second week, manually adjustable clock, automatically saved when power is turned off.

12. Multi channel data acquisition: It can expand multiple sensor data conversion interfaces. If equipped with our company's developed intelligent repeaters, single or multiple repeaters can be used in combination to split and collect data signals from each sensor. Up to 512 sensors can be connected simultaneously, automatically identifying sensor types without the need for operators to set matching, making it convenient for operation and detection.

13. Wireless network transmission: Utilizing the built-in wireless GPRS module, on-site data is remotely transmitted to the cloud based intelligent detection software on the server, achieving multi parameter and multi-functional in-situ online detection.

14. Extension function: GPS positioning function, camera function, voice function can be extended, and this function can be turned off to save energy.

15. Instrument standby: Set reset button, made of stainless steel material, sturdy and durable, can turn off and wake up the instrument at any time, minimizing instrument power consumption.

16. Equipped with a high-power lithium battery pack for power supply, the screen has a power display function. Equipped with automatic protection circuit and automatic charger.

17. Testing items:

A、 Environmental parameters: air temperature and humidity CO2、 Light intensity, photosynthetically active radiation, total radiation, ultraviolet radiation, wind speed, wind direction, atmospheric pressure, water depth, liquid level, noise PM1.0、PM2.5、PM10。

B、 The temperature, moisture content, pH, conductivity, salinity, ORP, and other parameters of soil, liquid, or other solid substances.

18. Acquisition software: Equipped with computer software, the acquisition software automatically recognizes the instrument through an international USB interface and can upload and save the data stored on the machine to the computer. The software has automatic saving function and can also query, record, save, print historical data, and draw real-time data curves, real-time data bar charts, historical data curves, and historical data bar charts.

19. Power supply mode: AC220V 50Hz; DC12.6V 500mA； The instrument has a 3.7V 0.5A lithium battery. Low power consumption setting, with sleep wake function for long-term observation.

3、 Introduction to Cloud Platform Software System:

1. Design a user-friendly environmental monitoring and management system using visual programming language to achieve remote monitoring of the monitored environment. You can freely set the upper and lower limit values. Alarm through SMS and other means. The software platform can remotely monitor real-time data from various sensors. Complete data management functions, supporting database management, data query, export, printing, statistical analysis, chart analysis, and other data processing

2. The manifestation of online monitoring of various environmental factor parameters:

A、 The detailed list format allows for a visual view of the monitoring data of various environmental factor parameters at a certain point in time.

As follows:

The detailed display method of the list allows for an intuitive view of the monitoring data of various environmental factor parameters at a certain point in time.

B、 The display method of the curve trend chart is as follows:

A curve of a certain color represents the trend of a certain test parameter

C、 Column style trend display, as follows:

The change of a certain color column represents the data change of a certain parameter

3. Support mobile viewing anytime. Method:

4. View real-time and historical data of various parameters on the computer:

5. Can receive monitoring photos sent by the host and query photo information according to time:

Click to enter and view the environment photos taken according to the settings

6. GIS map generation: Using the built-in GPS module of the detection device, satellite positioning data is bundled with test data information to implement GIS map fixed-point monitoring of the position information of each detection point. The monitor can click on the position coordinates on its satellite positioning icon to view the relevant index information of the test data of the detection point.

4、 Host technical parameters

1. Touch screen: 4TFT, 800 * 480 pixels, built-in intelligent operating system, 65536 true color, LED backlight, brightness 300cd/m2.

2. GPS satellite positioning:

(1) Satellite channel search parameters: 16,1.023 MHz chip rate

(2)Sensitivity Tracking：Ultra high sensitivity to -158 dBm

(3) Working current: 39 mA a

(4) Low power sleep current: 5 μ A

(5) Communication interface: Standard RS-232 serial port.

(6) Antenna form: External magnetic signal gain amplification antenna DGPS Accuracy Position: 2 meters CEP

3. Exterior dimensions: 245 * 125 * 45

4. Scalable storage: Micro SD card slot, standard 2G, expandable up to 16GB

5. Communication interface: standard USB port, expandable RS232, RS485, RJ45 and GPRS interfaces

6. Power supply: AC 220V 50Hz; DC: DC12.6V 500mA; Built in lithium battery: 12.6V/100mAH

5、 Introduction to Sensor Parameters:

1. Soil moisture

Measurement parameter: Soil volumetric moisture content

Soil correction: loam, clay, sandy soil

Measurement unit:% (m3/m3)

Measurement range: 0-100%

Output format: 0-2.5VDC

Measurement accuracy: ± 3% (m3/m3) within the range of 0-50% (m3/m3)

Working range: -30 ℃ to 70 ℃

Stable time: 1 second after power on

Response time:<1 second

Measurement area: a cylinder with a diameter of 7cm and a height of 7cm centered on the central probe

Probe length: 55mm

Probe diameter: 3mm

Probe material: 316L stainless steel

Sealing material: ABS engineering plastic

Cable specification: 2-meter 3-wire system

2. Soil temperature

Measurement parameter: soil temperature

Measurement unit: ℃

Measurement range: -55~150 ℃

Measurement accuracy: ± 0.2 ℃

Stable time: about 3 seconds after power on

Response time:<1 second

Probe length: 200mm

Probe diameter: 3mm

Sensor material: 316L stainless steel; Heraeus, a German company, imports A-grade ST-1-PT1000 precision platinum resistors

Sealing material: ABS engineering plastic

Cable specification: 1.5-meter-4-wire system (cable length optional)

3. Light intensity

Measurement unit: Lux

Measurement range: 0-200000 Lux

Output form: Voltage 0-2VDC

Working temperature: -30~70 ℃; Humidity: 10-90% RH

Storage temperature: -30~80 ℃; Humidity: 10-90% RH

Accuracy: ± 3% FS

Nonlinear: ≤ 0.2% FS

Stable time: 1 second after power on

Response time:<1 second

4. Soil pH (solid)

Adopting internationally advanced solid dielectric and large-area polytetrafluoroethylene liquid interface, it is not easy to block, maintenance free, equipped with field protective cover and filter screen

Measurement range: pH: 0-14

Output form: Voltage 0-2VDC

Accuracy: ± 0.02 (pH 4-9)

Resolution: 0.01

Stability: ≤ 0.02/24h

Power supply mode: DC 5~24V

Output signal: 0~2V, 4~20mA, RS485, etc

Working environment: Temperature range of 0-60 ℃; Relative humidity ≤ 85%

Power consumption: ≤ 3W

Dimensions: 96 × 96 × 110mm (height × width × depth)

5. Water depth

Measurement form and range: 0-50000mmH2O

Allowable overload: 2 times the full range pressure

Working temperature: -20~80 ℃

Temperature compensation: -10~70 ℃

Storage temperature: -40~80 ℃

Accuracy: 0.2% FS (typical)

Stability error: 0.2% FS (typical)

Temperature drift coefficient: 0.03% FS (typical, range less than 5mH2O)

6. Salt content

Measurement parameter: Salt content

Measurement unit: mol/L

Measurement range: 0-0.15mol/L (standard), can also be customized to 0-0.075mol/L, 0-0.05mol/L, etc

Measurement accuracy: ± 2%

Resolution: infinitesimal mol/L

Working range: -30 ℃ to 70 ℃

Conductive electrode material: graphite

Stable time: 1 second after power on

Response time:<1 second

Sealing material: ABS engineering plastic

Cable specification: 2-meter 4-wire system (RS485) (cable length optional)

7. Conductivity

Measurement parameter: Soil conductivity

Measurement unit: mS/cm

Measurement range: 0-20 mS/cm

Output form: Voltage 0-2VDC

Measurement accuracy: ± 2%

Resolution: infinitesimal mS/cm

Working range: -30 ℃ to 70 ℃

Conductive electrode material: graphite

Stable time: 1 second after power on

Response time:<1 second

Sealing material: ABS engineering plastic

8. Wind speed

Measurement range: 0-30m/s

Output form: Voltage 0-2VDC

Reaction time:<1 second

Start wind speed: 0.4-0.8m/s

Supply voltage: 5V DC

Maximum power consumption: MAX ≤ 200mW

Working environment: -30 ℃~75 ℃

9. Wind direction

Measurement range: 0-360 degrees in 16 directions

Output format: 0-2.5VDC

Wind direction sensor activated wind speed: 1.0m/s

Wind direction measurement accuracy: ± 1 azimuth

Wind direction to the north: automatic

10. Air temperature and humidity

(1) Air humidity

Measurement range: 0-100% RH

Output range: 0-5VDC

Resolution: 0.1% RH

Accuracy: ± 2% (T>0 ℃) RH

Stability:<1% RH/year

(2) Air temperature

Temperature range: -50~150 ℃

Temperature accuracy: ± 0.1 ℃

Temperature display resolution: 0.1 ℃

(3) Dew point temperature of air

Measurement range: -40~50 ℃

Resolution: 0.1 ℃

Accuracy: ± 0.1 ℃

11. Photosynthetically active radiation (photons)

Spectral range: 400-700nm

Range: 0-2000 W/m2

Power supply mode: DC 5V

Output form: Voltage 0-2.5VDC

Instrument cable length: 2.5 meters as standard

Response time: approximately 1 second (99%)

Temperature related: maximum 0.05%/℃

Cosine correction: up to 80 ° incident angle

Working temperature: -40 ° C to 65 ° C

Relative humidity: 0-100%

Sensitivity: 5-50 μ v/μ mol · s-1

Internal resistance: ＜ 2K

12. Total radiation

Spectral range: 0.3-3 μ m

Measurement range: 0-1500W/m2

Power supply mode: DC 5V

Output form: Voltage 0-2.5VDC

Instrument cable length: 2.5 meters as standard

Load capacity: Voltage type output impedance RL ≥ 1K Ω

Response time:<5s

Temperature related: ＜ ± 0.08% ℃

Cosine response: ＜ ± 10% (at a solar altitude angle of 10 °)

Nonlinear: ＜ ± 2%

Annual rate of change: ＜ ± 2%

Working environment: Temperature -50 ℃~85 ℃, humidity ≤ 100% RH

Product power consumption: 1.8 mW

13. Ultraviolet radiation

Measurement range: 0-200W/m2

Spectral range: 280-400nm

Cosine response: ≤ 4% (when the solar elevation angle is 30 °)

Response time: ≤ 1S (99%)

Power supply mode: DC 5V

Output form: Voltage 0-2.5VDC

Working environment: Temperature range of -50 ℃ to 50 ℃

Rated voltage: 300V

Temperature rating: 80 ℃

14. Atmospheric pressure

Range: 900-1100hPa

Resolution: 0.1hpa

Accuracy: ± 0.1hPa

Power supply mode: DC 5V

Output form: Voltage 0-2VDC

Instrument cable length: 2.5 meters as standard

Load resistance: Voltage type: RL ≥ 1K

Working temperature: -50 ℃~80 ℃

Relative humidity: 0-100%

15. Carbon dioxide

Range: 0-10000ppm

Output form: Voltage 0-2VDC

Unit: ppm

Average current: peak ≤ 200mA; average 85 mA

Preheating time: 3 minutes

Response time:<90s

Accuracy: ± 3% F • S (25 ℃)

Working temperature: 0 ℃~50 ℃

Working humidity: 0-95% RH

Temperature drift: 0.2% F • S/℃

Stability: ≤ 2% F • S

Repeatability: ≤ 1% F • S

16. GPS satellite positioning

(1) Satellite channel search parameters: 16,1.023 MHz chip rate

（2)Sensitivity Tracking：Ultra high sensitivity to -158 dBm

(3) Working current: 39 mA a

(4) Low power sleep current: 5 μ A

(5) Communication interface: Standard RS-232 serial port.

(6) Antenna form: External magnetic signal gain amplification antenna DGPS Accuracy Position: 2 meters CEP

17. ORP (oxidation-reduction potential)

Electrode potential: 245-270mv (15-30 ℃)

Test range: 0-1999mV

Reference electrode internal resistance: ≤ 10k Ω Qualitative: ± 8mv/24h

Indicator electrode: good conductivity

Suitable temperature range: 5-70 ℃

18. Dust (PM2.5, PM10, PM1.0, TSP)

Detecting gases: PM1.0, PM2.5, PM10, TSP

Output data: UART output (3V level)

DAC (0-2V corresponds to 0-1000)

PWM output

Working voltage: 5V ± 0.1V

Working current: 70-140 (mA)

Sleep current:<10mA

Response time: ≤ 90 seconds

Working humidity: 15% RH-80% RH (non condensing)

Working temperature: -20~40 ℃

Storage temperature: -40~60 ℃

Service life: 3 years (in air)

19. Noise

1. Measurement range: 30dB~110dB, accuracy: 0.5%

2. Working environment: The equipment has a non waterproof structure, so attention should be paid to avoiding rainwater splashing and moisture prevention. Equipment systems can be customized specifically for humid environments.

20. Rainfall

Diameter of water bearing capacity: Ø 200 ± 0.6mm

Measurement range: ≤ 4mm/min (precipitation intensity)

Resolution: 0.2mm (6.28ml)

Accuracy: ± 4% (indoor static test, rain intensity of 2mm/min)

Output signal: on-off signal of switch contact

Working temperature: 0-50 ℃

Storage temperature: -10 ℃ to 50 ℃

21. Rain and snow

Measurement range: 0-1000mm

Accuracy: ± 0.1% FS

Power supply mode: DC12V

Output format: 0-5V

Load capacity: current type output impedance ≤ 300 Ω, voltage type output impedance ≥ 1K Ω

Beijing Mengchuang Weiye Technology Co., Ltd

Contact address:

1. B-202, Science and Trade Building, East Campus of China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing

2. Beijing Changping District Zhongguancun Life Science Park Beiqing Creative Park 4-3-114

Phone: 010-

technical support:

Website: www.sul2100.cn Email: bj6213@126.com