HVAS Digital Integrated Weather Station is a revolutionary innovation developed by MS Instruments, 
combining High Volume Air Sampler (HVAS) technology and a Digital Weather Station 
into a single integrated environmental monitoring platform.
As the world’s first pioneer of this concept, the system is designed to provide simultaneous, 
real-time, accurate, and efficient air quality and meteorological data within one comprehensive device.
The instrument is capable of collecting large-volume airborne particulate samples for Total Suspended 
Particulates (TSP) <100 μm, PM10 (≤10 μm), and PM2.5 (≤2.5 μm) using specially designed PM10 and PM2.5 
size-selective inlets. At the same time, it continuously records essential meteorological
parameters, including wind speed, wind direction, ambient temperature, relative humidity, and atmospheric 
pressure.
Equipped with high-precision flow control technology, a powerful vacuum system, and advanced digital 
meteorological sensors, the HVAS Digital Integrated Weather Station delivers comprehensive environmental 
data to support air quality analysis, pollutant dispersion studies, environmental
impact assessments, and data-driven decision-making processes.
System utilizes the widely recognized gravimetric method for particulate matter monitoring, 
where ambient air is drawn through filter media using a high-capacity vacuum system. 
Suspended particles are collected on the filter and subsequently analyzed in a laboratory. 
This proven methodology enables representative particulate concentration measurements
while meeting the requirements of professional environmental monitoring applications.

Highlight Features HVAS Digital Automatic System
Display Flow Range    : 1000 - 1700 LPM
Flowrate Accuracy    : < ±5%
Resolution    : 0.1 in LPM (0.0001 m³/min)
Motor Type     : Brush Style
Operating Temperature  : 0 to 40°C 10% to 90% RH (with no condensation)
Power Supply    : 220VAC (200VAC to 220VAC) 50/60Hz
Power Consumption    : max. 750 Watt
Display LCD     : 7 inch Resistive Touchscreen Full Color
Measured Data   : Flowrate (L/min); Total Volume (m³); Timer (HH:MM:SS); 
Temperature (°C); Humidity (%)
Data Stored in Memory Storage : Date, Time, Temperature (°C), RH (%), Pressure (mmHg), Wind 
Speed (m/s), Wind Direction (°), Flow (L/min); Volume (m³)
Remote Monitoring   : Tab Android 8 inch HD 800x1280 pixel IPS; OS Android 13; Wifi 
802.11 b/g/n/ac
Data Storage    : SD Card 16GB
Printer     : Mini TTL Thermal Printer; Effective Printing width 48 mm; Thermal 
Paper 57 x 30mm
Data Printing    : Date, Time, Sampling Location, Avg. Temperature, Avg. Pressure, 
Avg. RH, Actual Flow & Avg. Flow (L/min), Volume (m³)

Components of HVAS Digital Automatic System