FSI - 2D ACM - 2-Dimensional Current Meter Datasheet

2-Dimensional Current MeterA compact, cost-effective meter with vector-averaged current speed and directionThe Falmouth Scientific, Inc. 2-Dimensional AcousticCurrent meter represents the state of the art in acousticcurrent meter design.Utilizing ultra-low-power solid-state design, the 2D ACMoffers a very compact, lightweight measurement toolcapable of high-accuracy horizontal currentmeasurement. With internal data logging capability, long-term battery operation, internal electronic compass andtilt sensors, the 2D ACM is well suited for a broad varietyof measurement applications.The instrument is available in either shallow-waterplastic, or deep-water titanium housings. The 2D ACMalso has the capability of adding a CTD module and canlog up to two analog inputs from external sensors (e.g.,DO, OBS, Fluorometer, Transmissometer).FEATURES• Compact, lightweight, low-maintenance construction• Simple to operate• 2-axis true cosine response velocity measurement• Accurate velocity measurement with excellent low-velocity resolution• Electronic magnetoresistive compass with 2-axis tilt sensor• Temperature measurement capability• Extremely long battery life with low-maintenance alkaline batteries• Real-time output/display capability• Long-term data logging to internal flash memory• ASCII serial data output via RS-232 or RS-485• Built-in real-time clock with on/off power control• 1.5-ton working strength mooring frame (optional 3-ton mooring frame)• Optional conductivity, temperature, pressure sensor package may be added• Choice of epoxy shallow-water or titanium deep-water housingFalmouth Scientific, Inc.www.falmouth.comFSI 2D ACM2D ACM with optional 3 ton frameEXCELENCE ININSTRUMENTATION22.5(571.5 MM)16.8(426.7 MM)13.5(343 MM)ISOLATIONBUSHINGS FOR3/8" DIA. SHACKEL4.75 (120.65 MM) SHALLOW4.50 (114.30 MM) DEEPSensorsOptional CTDInstrumentExternal Power: 9 to 28 VDC, 12 mA (ACM Only), 32 mA (ACM with CTD)Battery Power: Alkaline 5 D Cell Welded Pack, 10 AHR, Operating Range: 6-8 VDCSample Rate: 2 Hz MaximumVector Averaging Period: 15 Seconds to 54 MinutesDepth Rating/Physical Material: 200 Meter Epoxy Housing Standard7000 Meter Titanium Housing OptionalMooring Frame: 1.5 Ton 316 Stainless Steel Mooring Frame Standard3 Ton Stainless Steel Mooring Frame OptionalReal Time Clock: Programmable Sampling/Low-power ModeInput Channels: Two (2) DC Input Channels Available for Other Sensor Input, such asTransmissometer DO, OBS (Regulated 12 VDC Output to Power Other Sensors)Weight: Air: 8 lbs/3.63 Kg (200 Meter Version)Air: CTD 1.54 lbs/.7 KgWater: 4 lbs/1.81 Kg (200 Meter Version)Specifications Subject to Change without NoticeretemaraP epyT egnaR ycaruccA noituloseRyticoleV citsuocA s/mc006ot0 s/mc1rognidaeRfo%2 s/mc10.0noitceriD retemotengaMsixA3 °063ot0 °2± °10.0tliT retemoreleccAsixA2 °54ot0 °5.0 °10.0erutarepmeT rotcudnoC-imeS C°53ot2- C°5.0 *C°50.,C°5.0egnaR ycaruccA noituloseR ytilibatS)m/S(ytivitcudnoC 0.7ot0 200.0± 1000. 500.0±)suisleC(erutarepmeT 09-STI°23ot°5- °30.0± °100. °500.0±)raBd(erusserP raBd002ot0 raBd0002ot0 elacslluf%3.0± elacslluf%10.0 elacslluf%10.0±*OptionalFalmouth Scientific, Inc.1400 Route 28A, PO Box 315, Cataumet, MA 02534-0315Email: fsi@falmouth.com • Tel: 508-564-7640 • Fax: 508-564-7643 • www.falmouth.comSPECIFICATIONSMarch 2003(120.7 MM)4.75(551 MM)21.7(465 MM)18.3(572 MM)22.5INSTRUMENTATIONEXCELENCE INCATAUMET, MA 02534 USAFALMOUTH SCIENTIFIC, INC.MAX PRESS: 200dBAR DATE: 08AUG00CTD SENSOR: 2ACM-OP-CTD S/N: 13603/8" DIA. SHACKELBUSHINGS FORISOLATIONZINC