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1、ACE NetworksControlling multiple ACE StationsACE Station SalesOPEN v CLOSED 50% / 50%Multiple ACE Stations can be used independently Many experiments need more than one ACE StationACE NetworkUp to 30 Stations connected together via a Master Control UnitUP to 30 ACE Station experimentACE Master Contr
2、ol Unit Weatherproof enclosureGraphic display30 ACE Station docking ports2 battery portsMains power optionData storage CF cardsPrograms all ACE Stations in NetworkACE Master Control Unit Powers all ACE Stations in NetworkData storage for all ACE StationsMakes experimentation easierReview recent data
3、 for all ACE StationsACE Master Control Unit LCpro+ type graphic display 5 key operation Menu driven software Dual CF card driveACE Networks Electrical connections only - No gas connections Electrical connections only - No gas connections - - 2 core cable2 core cable Easy to set up and program Easy
4、to set up and program 200m diameter experimental area 200m diameter experimental area- - 10M and 100M cables10M and 100M cables Power efficient Power efficient - No pumping of gas required- No pumping of gas required Multiple Stations can take measurements at same time Multiple Stations can take mea
5、surements at same timeReview data on Graphic displayOne Station, all parameters, one time pointOne parameter, one time point, all StationsOne Station, one parameter, all time pointsNext step for ACE Master Control Unit 10 or 20 or 30 ACE Station modules10 Station ACE MCU 2,240 (30 - 2,679) Factory u
6、pgradeableACE Master Control Unit ACE Network big advantage: Integral CO2 IRGA in ACE StationResponse time200M experimental diameterVery power efficientDistance to pump gas to IRGALittle chance of H2O drop outEasy to set upField rugged Network pricing Can purchase just individual ACE Stations ACE St
7、ations with MCU Network Packages 8, 16, 30 Station packages Includes all cables Open or Closed mode Station packages 30 ACE Station package 150,000Licor: Li8100The competitionLi8150 gas multiplexerIntroduced 2008Only up to 16 chambersOnly 30M diameter coverageVery complex set upMust have multiplexer
8、 for multiple chambers(GBP7,000)Different chamber for multiplexed systemACE Station advantages over the Li8100 Fully integrated system Separate analyser / chamber. Needs PC / PDA Analyser in chamber Analyser in box 2M of tubing awayResponse timeNo gas hang upsEasier / quicker set upPower efficientLe
9、ss prone to animal attackHigh quality IRGA Multipurpose IRGA (0-3000ppm / 6ppm resolution)0-1000ppm / 1ppm resolutionOpen or closed mode closed onlyTransparent chambers N/AData storage / review at Station Requires PC / PDASoil moisture and temperature sensors ports (max 10) Option only (max 4)Easy t
10、o program Requires PC / PDAEach Station 7Kg Analyser + Chamber = 11KgACE Station 5,000 Li8100 Analyser + Chamber = 13,000 ACE Network advantages over the Li8100Up to 30 chambers Up to 16 chambersOver 200M coverage area 30M coverage areaLower power consumption Very high power consumption (large pumps
11、)Experimental time for 16 chambers (10 mins) Experimental time 10 mins x 15 chambers (150mins) All ACE Stations can measure at same time N/A Each Station 10 sensors Max 4 sensors only at analyser as standardFast response Very slow response, gas pumped to analyser up to 15M awayLittle chance of H2O d
12、rop out Great danger of water vapour drop outReview data on Master Control Unit Requires PC or PDA Easy to set up Complex with numerous gas connectionsACE Master Control Unit 2,200 Licor Gas Multiplexer 7,00016 chamber Network 88,000 95,000 (85,000 no MCU)Compared to the Licor systemACE provides the Technical superiorEconomicThe most practicalWay for measuring long-term soil flux
