2. MicroMet Group Cutting Edge Technology Automatic Weather Stations

3. Introduction Sensor Technology Sensor Technology Signal Processing – FPGA/ RISC processor Signal Processing – FPGA/ RISC processor Embedded Software Embedded Software Computer Applications Computer Applications Telemetry & Data Communication Telemetry & Data Communication Mechanical Designs Mechanical Designs MicroMet Automatic Weather Station use state-of-the- art techniques in : MicroMet

4. MicroMet’s Automatic Weather Station Family General purpose AWS Airport AWS Agri - met AWS Hydro – met AWS EIA – AWS Data Collection Platforms Ocean Buoys MicroMet

5. MicroMet’s AWS System Configuration MicroMet

6. MicroMet Smart Sensor Concept  Microprocessor : Accept data from Signal Conditioning unit Convert to digital signal Convert to digital signal Compute data acc. To TF Characteristics to normalise output as a linear function Compute data acc. To TF Characteristics to normalise output as a linear function Generate 4 outputs – Analog, Digital, SDI-12 & Generate 4 outputs – Analog, Digital, SDI-12 & RS232C RS232C  Smart Sensor Software : Feeds in set up data Feeds in sensor coefficients Feeds in sensor coefficients Sensor ID information Sensor ID information Sensor Element Signal Conditioning Microprocessor AVR - Mega DAC Analog Output Digital Output SDI – 12 Output RS 232C Output MicroMet

7. MicroMet AWS Smart Sensors A) Meteorological Sensors: SDA Wind Speed Sensor Wind Direction Sensor Wind Speed & Direction Sensor Solid – State Wind Sensor Air Pressure Sensor Air Temperature Sensor Relative Humidity Sensor Temperature & Humidity Sensor Dew Point Sensor Rainfall Sensor (Tipping Bucket) Rainfall Sensor (Drop Detector) Solar Radiation Sensor Net Radiation Sensor Sunshine Dur Sensor Albedo Sensor Quantum Sensor Cloud Height Sensor Visibility Sensor RVR Sensor Solar Radiation Sensor Net Radiation Sensor Sunshine Dur Sensor Albedo Sensor Quantum Sensor Cloud Height Sensor Visibility Sensor RVR Sensor Evaporation Sensor Snow Depth Sensor Temperature Sensor Snow Temperature Sensor Soil Moisture Sensor Soil Temperature Sensor Soil Heat Flux Sensor Day & Night Switch Sensor Leaf Wetness, Fog, Mist Dew Detector Rainfall Conductivity Surface Temperature UV Sensor Wireless Temp Sensor Wireless Pressure Sensor Wireless Humidity Sensor MicroMet

8. B) Environmental Sensors: Carbon Monoxide Sensor Carbon Dioxide Sensor Nitrogen Dioxide Sensor Nitrogen Oxides Sensor Sulphur Dioxide Sensor Hydro-Carbon Sensor Poly Hydro-Carbon Sensor Oxygen Sensor Ozone Sensor Ammonia Sensor Sensor Chlorine Sensor Air Quality Sensor Dust Particle Sensor Radon Sensor Noise Sensor Light Sensor MicroMet

9. C) Hydrological Sensors: Water Level Pressure Sensor Water Level Ultrasonic Sensor Water Level Float Sensor Water Level Bubbler Sensor Water Flow Sensor Water Temperature Sensor Water pH Sensor Water Conductivity Sensor Water Dissolved Oxygen Sensor Water Salinity Sensor Water Salinity/Temp Sensor Water Turbidity Sensor Water Specific Ion Sensor Water – ORP / Redox Sensor Water shaft Endocers Total Dissolved Solid MicroMet

10. D) Oceanographic Sensors: Current Sensor Current Sensor Wave Sensor Wave Sensor Wave & Current Sensor Wave & Current Sensor Tide Sensor Tide Sensor Altimeter Sensor Altimeter Sensor Sound Velocity Sensor Sound Velocity Sensor CTD Sensor CTD Sensor STD Sensor STD Sensor MicroMet

11. MicroMet Wind Speed Sensors Suitable for all applications of wind speed recording Gives wind speed and wind gust readings from the same sensor Compatible with all Automatic Weather Monitoring Systems Continuous operation for long term computer logging Range from 0 – 70 m / sec High-resolution of 0.01 m / sec Uses stainless steel anemometer cups for long life Sealed ball bearings used for low friction thereby achieving very low threshold speed Uses magnetic coupling for long life in harsh conditions Microprocessor based control circuit for signal conditioning Programmable calibration coefficients built-in each sensor Choice of outputs : Analog Voltage/Current, Digital count, SDI-12 or RS232C / RS422 serial outputs Choice of Analog outputs from 0-2.5V, 0-5V, 0-10V, 4- 20mA User friendly setup program for SDI-12 configuration and setup Rugged and reliable ; Needs no maintenance MicroMet

12. MicroMet Wind Direction Sensors Suitable for all applications of wind direction recording Compatible with all Automatic Weather Monitoring and Environment Monitoring Systems Uses a specially designed potentiometric transducer for sensing wind direction Continuous operation for long term computer logging Microcontroller based signal processing circuit Range from 0 – 360 degrees with high accuracy Mechanically coupled using a purpose built collar Optimally damped to avoid flutter in light winds Programmable calibration coefficients High-resolution of 0.5 degree Choice of outputs : Analog Voltage/Current, Digital frequency or SDI-12 Choice of Analog outputs from 0-2.5V, 0-5V, 0- 10V, 4-20mA User friendly setup program for SDI-12 configuration and setup Rugged and reliable. Needs no maintenance MicroMet

13. MicroMet Wind Speed & Direction Sensors Suitable for all applications of wind speed & direction recording Gives wind speed and wind direction readings from the same sensor Compatible with all Automatic Weather Monitoring Systems Continuous operation for long term computer logging Uses magnetic coupling for long life in harsh conditions Programmable calibration co-efficients Choice of outputs : Analog Voltage/Current, Digital freq, SDI-12 or RS232C/RS422 serial ports Choice of Analog outputs from 0-2.5V, 0-5V, 0-10V, 4-20mA Microcontroller based control circuit User friendly setup program for SDI-12 configuration and setup Wind Speed Sensor has range from 0- 70 m/sec and high-resolution of 0.01 m/sec Wind Direction Sensor has range from 0-360 degrees and high-resolution of 0.5 degrees Rugged and reliable. Needs no maintenance MicroMet

14. MicroMet Solid-State Wind Sensors Suitable for Wind-speed and Wind direction recording Compatible with all Automatic Weather Stations & Environment Monitoring Systems Uses Solid state Sensor ; no moving parts Can be used in any position Ideal for moving platforms and snow bound areas Choice of output ; analog, digital, SDI-12 and RS232C High resolution and Accuracy Rugged Construction MicroMet

15. MicroMet Helipad Wind Direction Sensor - Young High performance Wind Speed & Direction Sensor Suitable for use in Automatic Weather Stations and Wind Monitoring Systems Proprietary Propeller Vane sensing device Low aspect ratio provides accurate wind sensing in fluctuating conditions Uses precision grade, stainless steel bearings for long life Simple and corrosion-resistant construction make it ideal for a wide range of wind measuring applications Choice of Voltage and Current outputs to suit all data loggers Rugged and reliable. Needs no maintenance Manufactured by R.M. Young Company MicroMet

16. MicroMet Pressure Sensors Suitable for all applications of atmospheric pressure recording Compatible with all Automatic Weather Monitoring and Environment Monitoring Systems Continuous operation for long term computer logging Uses silicon chip as the sensing element- acts like an aneroid pressure sensor for working in a vast range of operating temperatures User programmable range ; Can be set anywhere between 400 – 1100 mb High-resolution of 0.2 mb Programmable calibration co-efficients Choice of outputs : Analog Voltage/Current, Digital frequency, SDI-12 or RS232C/RS422 serial ports Choice of Analog outputs from 0-2.5V, 0-5V, 0-10V, 4-20mA Micro controller based signal processing circuit User friendly setup program for SDI-12 configuration and setup Rugged and reliable. Needs no maintenance MicroMet

17. MicroMet Temperature Sensors Suitable for all applications of temperature recording Compatible with all Automatic Weather Monitoring and Environment Monitoring Systems Continuous operation for long term computer logging Pt1000 used as a sensing element for high linearity Range from -50 to +50eg. C as standard. Other ranges optional. Range can be set anywhere between -100 degC to + 100 degC. Uses specially designed radiation screen to avoid errors due to direct radiation Programmable calibration coefficients High-resolution of 0.1 degC High accuracy of +/- 0.2 degC Choice of outputs : Analog Voltage/Current, Digital frequency, SDI-12 or RS232C Choice of Analog outputs from 0-2.5V, 0-5V, 0-10V, 4-20mA Microcontroller based signal processing circuit User friendly setup program for SDI-12 configuration and setup Rugged and reliable. Needs no maintenance MicroMet

18. MicroMet Relative Humidity Sensors Suitable for all applications of relative humidity recording Compatible with all Automatic Weather Monitoring and Environment Monitoring Systems Continuous operation for long term computer logging Based on polymer film capacitance RH sensing element Programmable calibration co-efficients Range from 0 – 100% RH over full operating range High-resolution of 0.1% RH Accuracy achieved of 2% RH over max range Uses purpose built radiation shield to avoid errors due to direct radiation Choice of outputs : Analog Voltage/Current, Digital frequency, SDI-12 or RS232C Choice of Analog outputs from 0-2.5V, 0-5V, 0-10V, 4-20mA Microcontroller based signal processing circuit User friendly setup program for SDI-12 configuration and setup MicroMet

19. MicroMet Temperature/ Humidity Sensors Integrated sensor for temperature and relative humidity Suitable for all applications of temperature & humidity recording Compatible with all Automatic Weather Monitoring Systems Continuous operation for long term computer logging Programmable calibration co-efficients Choice of outputs: Analog Voltage/Current, Digital frequency or SDI-12 Choice of Analog outputs from 0-2.5V, 0- 5V, 0-10V, 4-20mA Microcontroller based control circuit User friendly setup program for SDI-12 configuration and setup Temperature Sensor has range from -50 0 C to +50 0 C degrees and high-resolution of 0.10 degrees Relative Humidity Sensor has range from 0-100% and high-resolution of 0.2% Rugged and reliable. Needs no maintenance MicroMet

20. MicroMet Temperature/ RH Proble - Young Integrated Temperature & Humidity Sensor on a single probe The Multi-Plate Radiation Shield protects temperature and relative humidity sensors from error- producing solar radiation and precipitation Manufactured by R.M Young Company MicroMet

21. MicroMet Dew Point Sensors Smart sensor for dew point measurements Suitable for all applications of dew point recording Compatible with all Automatic Weather Monitoring and Environment Monitoring Systems Uses a PT1000 temperature and a capacitive humidity sensor in an integrated probe Dew Point computed internally in a microprocessor Uses purpose built radiation shield to avoid errors due to direct sunlight and shield the sensors from rain Continuous operation for long term computer logging Programmable calibration co-efficients Choice of outputs: Analog Voltage/Current, Digital Count or SDI-12 Choice of Analog outputs from 0-2.5V, 0-5V, 0-10V, 4-20mA Microcontroller based signal processing circuit User friendly setup program for SDI-12 configuration and setup Rugged and reliable. Needs no maintenance MicroMet

22. MicroMet Rainfall Sensors Tipping Bucket Interfaces to virtually all data acquisition systems Knife-edge collector optimizes rainfall catch Exceptional splash-out protection reduces wind errors Easy installation and maintenance Over 30 years in production Lightweight spun Aluminum Exterior Anodized aluminum collector for weather resistance Integral Bubble Level MicroMet

23. MicroMet Rainfall Sensors DD Suitable for all applications of rainfall recording Compatible with all Automatic Weather Monitoring and Environment Monitoring Systems Uses micro Load Cell as a sensing element Purpose built wick for regulating the water drops Microprocessor circuitry detects drops with high resolution to determine the rate of precipitation Can measure precipitation up to 400 mm/hour Unlimited range: normal 45 mm per interval; 7 mm per minute max High-resolution of 0.1 mm Continuous operation for long term computer logging Programmable calibration co-efficients Choice of outputs : Analog Voltage/Current, Digital Count or SDI-12 Choice of Analog outputs from 0-2.5V, 0-5V, 0- 10V, 4-20mA User friendly setup program for SDI-12 configuration and setup Small, rugged & reliable. Needs little maintenance MicroMet

24. MicroMet Data Loggers Configurations available Data Logger with Display/ Keypad Data Logger W/o Display/ Keypad Channel Options: Both Models available in following option : 4 – Channel 8 – Channel 16 – Channel 32 – Channel MicroMet

25. MicroMet Data Logger Smart–Card technology allows it to be configured for all types of applications Available in 4, 8, 16 or 32 channels 2 x 16 VFD display and 4 x 6 keypad built-in for system setup and data display Channels can be short-cycled by the user Provision for pre-programming & instant data readings Removable Flash-card memory for data storage up to 128 MB Selectable fast mode of operation; logging upto 1 msec per channel Pre-programmable setup parameters like sampling intervals, input channels etc. AC or DC operation, Solar or Wind Generator based PSU options Very low power consumption Ideal for field use on battery Compatible with a choice of telemetry links including Cable, Radio, Tele-modem, GSM Cellular or UHF Satellite Ideal for use in outdoor systems like Weather stations, Environment Monitoring Systems, RTUs or Field Loggers Ruggedized for field use MicroMet

26. MicroMet Data Logger Field Programming Unit (FPU) SW User – friendly Software for Setting up the Data Logger Can be used by inexperienced operators Data can be Display in real-time or in post processing mode Display include Text, Data & Y/t Comprehensive Set-Up functions to configure the Data Logger Any number of Set Ups can be stored Can download Memory Module Data Can upload & Download setup data from Memory modules MicroMet

27. MicroMet Memory Modules Available in 2 configurations Flash Memory Sizes 08MB 16MB 32MB 64MB 128MB Flash Memory + SRAM Sizes 08MB+4MB 16MB+4MB 32MB+4MB 64MB+4MB SRAM Options allow data storing with very high speeds up to 10 m sec/sample. MicroMet

28. MicroMet Memory Card Reader Can download Memory Module data remotely without use of Data Logger Small, portable Unit Can be used with all MicroMet Memory Modules MicroMet

29. MicroMet DLG GPS Option Plug-in option : can be used in all MicroMet Data Loggers GPS logs Lat, Long and Altitude data with each dataset GPS timing signal (1pps) updates RTC every 15/30 minutes for all time accurate RTC Uses a miniature, low power, 12-Channel GPS Receiver Engine MicroMet

30. MicroMet AWS – Power Supply Options 3 PSU Options : Rechargeable Battery Solar Panel with Charger Hybrid Solar – Wind System : MicroMet

31. MicroMet AWS In-built NiMH Battery : Easy to replace High Capacity, 12V, 2.2 Ah Microprocessor based external Charger Can run AWS for 24 hours without Charge PSU-Rechargeable Battery Option : MicroMet

32. MicroMet AWS Choice of battery depends on user power Budget Uses 20/30 Watt Solar Panel Microprocessor based charge controller, using chemistry- independent Controller device Uses microchip status indicator interface to the Microprocessor Status indicated on serial port to main processor on interrupt PSU – Solar Panel with Charger : MicroMet

33. MicroMet AWS Choice of battery depends on user power budget Battery charged from both solar energy and wind energy Microprocessor based dual solar wind charge controller Solar charge controller uses chemistry independent charge device Uses high efficiency portable wind turbine Uses 20/30 Watt solar panel PSU - Hybrid Solar – Wind System : MicroMet

34. MicroMet AWS Conform to NEMA standards for NEMA-4 enclosures Conforms to IP standards for IP-67 enclosures Watertight and Dust proof for use in harsh environment Ideal for outdoor equipment protection Used in Automatic Weather Stations, Automatic Pollution Monitoring Stations, DCP Systems, RTU’s & Automatic Monitoring Systems Has long-life neoprene seals all around to eliminate water ingress Mounting accessories available for MicroMet Data Loggers and Sensors Purpose built Battery Bracket built in for batteries of all sizes required in the Automatic Monitoring Systems Has cable glands for routing interconnection cables Double lock built in with individual keys for extra safety Rugged and reliable. Fit for external use NEMA Enclosure: MicroMet

35. MicroMet AWS : TOWER Options: Portable Tower Telescopic Tower Guyed Mast Tower Self Supporting Tower MicroMet

36. MicroMet AWS : Available in 4 configurations, Portable, Telescopic, Guy-mast & Self- supporting Suitable for AWS & Remote Monitoring Stations Rugged construction for use in harsh environment Precisely engineered to near perfection Accurately fabricated for greater stability Corrosion resistant with 20u anodizing Lightening protectors built-in Can withstand winds up to 250 Km/hour Accessories & Mounts available for all types of sensors Easy to install & dismantle Guyed Mast Tower: MicroMet

37. MicroMet AWS : Sensor Arms 2 sensors 2 sensors 4 sensors 4 sensors 6 sensors 6 sensors 8 sensors 8 sensors 10 sensors 10 sensors Sensor Boom 1 Sensor Sensor Bracket 1 Sensor Sensors Arm Options: MicroMet

38. MicroMet AWS: Cable Extended Cable Radio : VHF, UHF GSM Cellular DECT Tele-modem / Speech Modem Satellite Modem Telemetry Options: MicroMet

39. MicroMet AWS : Direct RS232C cable link for distances up- to 50 meters Direct RS485 cable link for distances up- to 1 km Cable Modems used at both transmitter & receiver end for distances up-to > 15 km Cable Telemetry Options: MicroMet

40. MicroMet AWS : Choice of VHF or UHF Radio Low power LOS Radio for distances upto 25 km Transparent Radio link for data transmission applications Compatible with all MicroMet AWS & Monitoring Systems Microprocessor based signal processing Radio Telemetry Options: MicroMet

41. MicroMet AWS : Telemodem/Speech Modem Telemetry Options: Compatible with telephone networks all over the world Microprocessor based signal processing Digital Speech synthesis for Speech facility Uses universal socket Modem TCP/IP connectivity built-in MicroMet

42. MicroMet AWS : DECT Telemetry Options: Uses OEM DECT Modem Useful for short distances where cable-laying is not possible Low power License-free operation MicroMet

43. MicroMet AWS : Satellite Telemetry Options: Purpose-built Satellite modem compatible with world-wide satellites e.g. Meteosat, INSAT, GOES, GMS, Argos, SCD-I Uses high gain Yagi Antenna Sat-modem uses DDS technology Digitally synthesized Tx frequency Variable power output: user settable from 1W to 20W Microprocessor based data handling: data signatures for all satellites stored MicroMet

44. MicroMet AWS : Outdoor Display Option: Large Characters, visible from distance OLED Technology Direct interface with the Data Logger ; PC not required Can be configured with customer name MicroMet

45. MicroMet Group Cutting Edge Technology