The document details a weather logger capable of recording various atmospheric data such as temperature, humidity, and wind speed, which can be stored in Excel-compatible files and accessed via GSM or GPRS communication. It features multiple sensor types, customization options, and allows for centralized data collection and analysis across various locations. The system provides a user-friendly software interface for visualizing data and includes options for additional sensors and display systems.

1. WEATHER LOGGER
WITH DATA RECORDING AND DATA LINKING
Temperature Suitable For Digital Field Calibration.
Relative Humidity Sd Card Based Data Storage.
Atmospheric Pressure Recording In Excel Compatible File Format.
Solar Radiation Gsm / Gprs Based Data Communication.
Wind Speed Graphic Windows Software.
Wind Direction 8 Channel Programable Gain.
Rain Fall Amplifier Based Analog Inputs.
4 Channel Digital Inputs.

2. Rain Fall The weather station is capable to
record data in regular scan
Sensor Type: Tiping bucket with intervals into an SD card or MMC
magnetic reed switch. card. The data is stored in
Output: Contact closure. separate files daily in Excel
Resolution: 0.2 minimum. compatible (.csv) file format. This
information can be readily read
by the software provided.
Atmospheric Pressure
Reference: Vaccum. The weather stations can be
Operating Range: 600 - 1100 m bar. interfaced to GSM / GPRS based
Output: 0.25 to 4.25 V. modems. These are to be suitably
Linearity: 0.25 % F.S. enabled with SIM cards from a
GSM service provider. The data
from the weather station can be
Temperature & Humidity sent in SMS, GSM dialup or GPRS
packets to a central computer
Temp. Sensor: Pt 100 RTD. collecting data. Multiple Weather
Range: -40° - 60° C. stations in various locations can
Accuracy: @20°C : ± 0.2°C. be linked centrally for data
Humidity Measuring Range: 0 - 100 % collection and analysi’s by the
RH. software. PSTN based dialup links
Output Singal Range: 0.0 - 1.0 V DC. are also possible.
Accuracy: @20° C : ± 1.0 %
Solar Radiation Communication networks that
can be interfaced to these
Spectral Range: 400 to 100 mm. weather stations are:
Senritivity: 60 to 100 µ V/W/m2. • RS 485 / RS 232 based serial
Response Time: << 1 sec. links.
Directional Error: ± 50 W/m2. • Ethernet links over LAN, VLAN,
Maximum Irradiation: 2000 W/m2. and WIFI etc.
Field View: 180°. • GSM / PSTN modems.
Data can be centrally collected in
a PC / server and stored in any
robust Database application.
Wind Speed & Wind Direction The software can show graphs
on different timelines of weather
Sensor Type: Wind speed: Wind cups parameters. The software also
and magnetic switch. shows windrose diagrams over a
Wind Direction: Wind vane and time period.
potentiometer.
Range: Wind speed: 3 to 282 km/h.
Wind direction: 0° to 360°.
Accuracy: Wind speed: ± 5 kmph. Special Features:
Wind direction: ± 7° • Solar Panel based power supply.
• Additional Customized sensors compatible.
• Large LED / Monitor based display systems
Above is a set of typical sensors, We undertake to possible.
customize our systems for other types of sensors for • Internet browser based data display info.com
any other aplication as per specific requirements. be integrated.
Industrial Software & Systems.
#27, Brabourne Road, Top Floor, Kolkata - 70001. Phone: 0 9331008464. E-mail: somnath@indsoftsys.com