Automatic online monitoring system for precipitation and dust reduction, precipitation and dust monitoring instrument with dual functions of collection and storage, continuous acquisition instrument

Description :

　　1、 The H-5 precipitation and dust automatic monitoring system adopts the following standards:

　　HJ/T 175-2005 "Technical Requirements and Testing Methods for Rainfall Automatic Sampler Monitoring Instruments"

　　2、 Introduction to H-5 precipitation and dust automatic monitoring system instrument:

　　This instrument is equipped with sensors such as rain sensors, rain gauges, pH meters, conductivity, temperature, etc. It automatically and continuously collects, stores, and monitors atmospheric precipitation, collects dust samples, and achieves all-weather and online monitoring of precipitation indicators, greatly reducing the workload of operators. It can be widely used in various fields such as environmental protection, health, labor, safety supervision, scientific research, and education.

　　3、 Technical characteristics of H-5 precipitation and dust automatic monitoring system:

　　1. Equipped with two independent parallel intelligent comb shaped rain sensors, it can automatically determine the rainfall situation and determine the working status of the instrument to prevent misoperation;

　　2. Equipped with SL-3 standard rain gauge;

　　3. Capable of real-time and intelligent completion of pH value, conductivity value, temperature measurement and automatic compensation, and achieving automatic range conversion within the measurement range;

　　4. The sensor adopts a composite pH electrode and a high buffering U-shaped flow cell, which improves the stability of pH measurement;

　　5. Capable of automatically protecting pH electrodes and conductivity electrodes;

　　6. Using a refrigerated container to achieve sample (4 ± 1) ℃ refrigeration storage;

　　7. The switch cover adopts a dual arm four-bar linkage structure, with reliable operation and flexible sealing, ensuring that the samples in the sampling bucket are free of contamination;

　　8. It has dual functions of precipitation, dust collection, and preservation;

　　9. Automatic recording of precipitation start and end times, precipitation frequency, total precipitation time, rainfall amount, pH value, and conductivity value, with a storage and query function for a massive 8000 rainfall event data;

　　10. Equipped with RS232 interface for convenient data transfer;

　　11. Equipped with instrument fault self check, power-off data protection, and clock function;

　　12. Optional GSM module for remote wireless data acquisition and control.

　　4、 Technical specifications of H-5 automatic monitoring system for precipitation and dust reduction:

　　Sensitivity of rain sensor: ≥ 0.03 mm/min;

　　Range of rainfall intensity collected: (0.03-4) mm/min;

　　Inner diameter of rain collection funnel: 300mm;

　　Dust reduction cylinder specification: 150mm;

　　Opening delay time: ≤ 30s;

　　Closing delay time: ≤ 5 minutes;

　　Rainfall measurement resolution: 0.1mm;

　　Rainfall measurement error: ± 0.4mm for rainfall ≤ 10mm, ± 4% for rainfall ＞ 10mm;

　　Sample storage temperature: (4 ± 1) ℃, within the ambient temperature range of (0-50) ℃;

　　PH measurement range (25 ℃): 1-10;

　　Conductivity measurement range (25 ℃): (0-50) mS/m;

　　Basic measurement error of pH value: ± 0.05pH;

　　Basic measurement error of conductivity: ± 2% FS;

　　PH temperature compensation accuracy: ± 0.05pH;

　　Conductivity temperature compensation accuracy: ± 1%;

　　PH drift: ± 0.05pH;

　　Conductivity zero drift: ± 1% FS;

　　Conductivity range drift: ± 1% FS;

　　Z high power consumption: 100W (25 when the compressor stops).

AfterSalesService :

• Automatic online monitoring system for precipitation and dust reduction