Casella-cel Nomad portable weather station Manual do Utilizador

NOMADPortable Weather StationUsers HandbookHB3289-01COPYRIGHTThe copyright in this document which contains proprietary information is vested inCASELLA

Check that all of the components have been delivered.2.2 SitingThe measurements used in meteorology are intended to represent generalconditions over a

7. Charge the battery for at least 24hours before using it in the field,then disconnect the charger.8. When sufficient power is available,the logger w

laboratory or office before attempting itin the field. Referring to Figure 4,deploy the equipment as follows.Tripod1. Taking care not to disturb these

Orientation14. Guided by the compass supplied, rotate the case on the upright so thatthe solar panel faces towards the sun. (Face it towards the centr

(Set it at right angles to the centre of the sun’s anticipated course,when longer measurements are to be performed.) Then lock the wheelagain.28. Remo

3. OPERATION USING A DIRECT LINK BETWEENPC AND NOMAD, VIA FLASHCARDS, CABLE,GSM MODEM, OR HIGH POWER RADIOThe procedures described in this chapter may

3.2.1 Download Sensus StoreData can be downloaded from the Sensus store to a PC only while the Nomadand PC are connected directly via an RS 232 cable

The keys implement the options shown immediately above them on themenus. The arrow options move the display to adjacent menus in theindicated directio

Remember that if you are using a system connected via a GSMmodem, displaying data in real-time for periods of more than afew minutes may incur high ca

4. OPERATION USING A PASSIVE RADIOLINK BETWEEN PC AND NOMADThe procedures described in this chapter may be used only with Nomad systemsthat are connec

ContentsPage 2 of 68NOMAD Portable Weather StationUsers Handbook

4. Select the required page from the Pages menu displayed via the Viewmenu.5. Click the clock icon to display data in real-time.The values on screen s

5. ONLINE PRO APPLICATION SOFTWARE5.1 Introduction to Online Pro, Version 1.2Casella Online Pro Application Software V1.2 provides users of Casella Au

¤ Heating / Cooling Degree Day calculations based upon measuredtemperature values and a user defined threshold¤ Rolling averages over user selected ti

If installing on Windows 95, first run the program TapiUpdate.exeplaced in the installation folder. This updates the version of TAPI on the PC tothe v

non-specificconfiguration filesthat must be editedafter installation asdescribed in theOnline Pro UserManual.Insert yourfirst configurationdisk and fo

3. Select the configuration file that you wish to load on start up by clickingon Browse then selecting the filename from the Default File opendialog.4

A GSM system with a suitably short call-up interval can be used, butmay incur high call charges. Such systems are best used to download date onceor tw

2. On the Open dialog, click the name of the configuration file you wantto display, (for example display.onl which is the standardconfiguration suppli

When a permanent or regular link is made between the system andthe PC, all items required for the display page or pages have beenadded and positioned,

8. To add a bitmap image for use as the page background, click theBackground Bitmap... option on the Pages flyout menu.The Background Bitmap dialog is

WARNINGS !The Nomad Weather Station is not intended for projects thatextend for durations longer than six months, withoutmaintenance.WarningsPage 3 of

Once the stations havebeen configured, set upreal-time display pagesand add display items.Use Online Pro toset up therequired pages.Use Online Pro toa

DateThis displays the current date (as reported by the PC) in theformat selected in the Windows regional settings.TimeThis displays the current time (

Usually the bitmap will be a map allowing thewind direction to be compared with some physicalfeature such as a harbour mouth or runway at anairport. I

The wind direction options allow you to specify the measuring stationthat is to be the source of the wind direction data plus a data channel. Similarl

5.3.5 Web Page OutputThis option allows real-time information to be written to an HTML file for viewingvia an intranet or the internet.The output is c

characters output (padded with leading 0’s) and y is the number of decimalplaces displayed.So to output wind direction as three digits with leading 0’

3. Specify a filename for the downloaded (cloned) data and choose adirectory in which to save it.Online Pro downloads the data from the logger in the

4. Press Save to confirm your choice, convert the data and save the filein the specified directory.5.4.4 Viewing Historic DataData logged by Online Pr

time range, then displays the Properties dialog. When downloaded (cloned)data is used, the Browse... button enables you to select the required file, t

Weekly Rainfall TotalThis displays a Weekly Rainfall Total dialog that allows you to select the startday month and year of the week you want to displa

WarningsPage 4 of 68NOMAD Portable Weather StationUsers Handbook

5.5 Dynamic Data ExchangeDynamic Data Exchange (DDE) allows one application to access data and / orcontrol another. The application providing the data

6. THE NOMAD SYSTEM COMPONENTSA complete system can consist of the following basic components.Sensors Mounted in an array on the Sensor Head,plus one

Additional sensors are available for use with “Special Nomad WeatherSystems. They may include sensors to measure:Soil temperatureLeaf wetnessGrass tem

Operating temperature: -25° to +80°C6.2.3 General SpecificationPart number: 187012BSupply voltage: 8 to 24 V (supplied from environmental case)Power c

analog output changes from 0 to 1.8 V as thewind direction changes from 0 to 359°, withno dead-band at north.The instrument has an anodisedaluminium a

6.5.1 Global Solar Radiation Sensor SpecificationPart number: 187010BSpectral range: 0.4 to 1.1 µmRange: 0 - 2000 W/m²Sensitivity: Typically 100 µV/W/

The bucket assembly is adjusted totip each time an amount of waterproportional to 0.2 mm of rainfall hascollected in one or other side of the bucket.T

Units are individually calibrated and providedwith offset and multiplier valuesCable: 3 m cable supplied6.9 Leaf Wetness SensorThis is an additional s

Grass Temperature Sensor SpecificationPart number: 120650BSensor type: Semi conductor current generatorMeasuring range: -40°Cto60°CCalibrated accuracy

7. THE SENSUS DIGITAL DATA LOGGERWARNINGS !The SENSUS Logger contains no user serviceable components. If anelectrical fault is suspected the instrumen

Contents . . . . . . . . . . . . . . . . . . . . Page1. INTRODUCTION TO THE NOMAD ... 71.1 Three Versions ... 71.2 Featu

needed and it is this approach that is used by the Online Pro application toprovide automated configuration. The menu system is activated by default b

The following equations let the user calculate the record capacity andthe store duration.These equations should be used only as a guideline as the log

7.4 Input ConnectionsNomad Weather Stations are normally delivered with all required channelsconnected to the Sensus unit. However, in the event of ca

General InformationStation ID: Nomad XXXXXX, (XXXXX is replaced with aserial number when profile transferred)Station number: 1Sensor scan rate: Defaul

It is to this port that a PC is usually connected in order toprogram/interrogate the logger. The Sensus Logger is shipped from Casella CELwith this pr

side of the unit directly above the primary RS 232 9-way D-Type port as shownin Figure 2 (Chapter 2).The unit has been designed to recognise CompactFl

Sensus Data LoggerPage 56 of 68NOMAD Portable Weather StationUsers Handbook

8. COMMUNICATIONOn delivery, the Nomad systems are pre-configured for manual data downloadvia cable (provided) directly to a PC. Other telemetry optio

High power radio with power supplied to the nomad via landlineFull control and real-time data downloadPassive high or low power radioContinuous “near

Number of RF channels 17Channel Separation 25 kHz / 12 kHzModulation F3DReceiver Sensitivity 0.3 µV for 10 dB SINADAntenna Connector BNC/TNC8.3.2 High

Contents . . . . . . . . . . . . . . . . . . . . Page6.3.1 Wind Speed Sensor Specification ...436.4 Wind Direction Sensor . ...436.4

one-way communication, with data being transmitted continuously to the PC, asdescribed in Chapter 4. The default rate is to download at 20 second inte

General facilities +5 V outputAnalogue and digital inputsDirect TT500 replacement.8.4.2 Low Power Radio Receiver SpecificationFrequency range 458.5 to

operation is possible, line charges may have to be taken intoconsideration.The purchaser must obtain a suitable SIM card, and it is recommendedthat th

9. POWER SUPPLIES9.1 Solar PowerThe Sensus Logger incorporates a solar power regulator as standard. This canoperate with nominal 12 V solar panels wit

Power SuppliesPage 64 of 68NOMAD Portable Weather StationUsers Handbook

10. ROUTINE CARE10.1 GeneralMake sure all components are kept clean and free from staining, algae etc.Cleaning should be carried out using a soft damp

Routine CarePage 66 of 68NOMAD Portable Weather StationUsers Handbook

11. SERVICE AND WARRANTYTo ensure its conformity with the specification, this instrument is thoroughlyinspected and it’s accuracy verified prior to di

ServicePage 68 of 68NOMAD Portable Weather StationUsers Handbook

1. INTRODUCTION TO THE NOMADThe Nomad Portable Weather Station designed and manufactured by CasellaCEL, is a truly portable monitoring station. With a

¤ Pre-configured 32-bit Online Pro PC software, for real-time andhistoric data analysis¤ Protective carry bags for ease of transport¤ Quality external

2. COMMISSIONING2.1 Schedule of PartsThe Nomad Portable Weather System consists of the following items.Sensus data logger (installed in environmental