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FDT-40 Series

FDT-40 Series

分  类：其它

品  牌：欧米茄

厂  商：Omega工业测量（中国）

型  号：FDT-40 Series

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发布时间：2019-12-19 17:34 浏览人数：人

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    产品详情
    参数
    包装
    • Bi-Directional Flow Measurement
    • Rugged, Aluminum Enclosure
    • Rate and Total Backlit Display
    • 4 to 20 mA and Dual Alarm Outputs
    • USB Programming Port
    • RS485 MODBUS® Network Connection

      • FDT-40 Series ultrasonic flow andenergy meters clamp on to theoutside of pipes and do not comein contact with the internal liquid.The technology has inherentadvantages over alternate devicesincluding: low-cost installation, nopressure head loss, no moving partsto maintain or replace, no fluidcompatibility issue, and a large,bi-directional measuring range thatensures reliable readings even atvery low and high flow rates.FDT-40 Series is available in avariety of configurations thatpermit the user to select a meter withfeatures suitable to meet particularapplication requirements.

      Specifications
      System
      Liquid Types: Most clean liquids or liquids containing small amounts of suspended solids or gas bubbles
      Velocity Range: Bi-directional to greater than 40 FPS (12 MPS)
      Flow Accuracy:
          Larger Than 50 mm (2"): ±1% of reading or ±0.01 FPS (0.003 MPS), whichever is greater
          25 to 50 mm (1 to 2"): ±1% of reading or ±0.04 FPS (0.012 MPS), whichever is greater
      ¾" (19 mm) and Smaller: ±1% of full scale
      Sensitivity Flow: 0.001 FPS (0.0003 MPS)
      Repeatability: 0.5% of reading
      Transmitter
      Power Requirements (AC): 95 to 264 Vac 47 to 63 Hz @ 17 VA maximum standard, 20 to 28 Vac 47 to 63 Hz @ 0.35 A maximum (“-24VAC” models), 10 to 28 Vdc @ 5 W maximum (“-VDC” models)
      Protection: Auto resettable fuse, reverse polarity and transient suppression
      Display: Two line LCD, LED backlit; top row 18 mm (0.7") height, 7-segment; bottom row 9 mm (0.35") height, 14-segment
      Icons: RUN, PROGRAM, RELAY1, RELAY2
      Flow Rate Indication: 8-digit positive, 7-digit negative maximum; auto decimal, lead zero blanking
      Flow Totalizer: 8-digit positive, 7-digit negative maximum (re-set via keypad press, software, network command or momentary contact closure
      Enclosure NEMA 4 (IP65) Construction: Powder-coated aluminum, polycarbonate, stainless steel, polyurethane, nickel-plated steel mounting brackets
      Size (Electronic Enclosure Only): 152 W x 112 H x 56 mm D (6.0 x 4.4 x 2.2")
      Conduit Holes: (2) ½ NPT female (1) ¾ NPT female
      Temperature: -40 to 85°C (-40 to 185°F)
      Configuration: Via optional keypad or PC running software (Note: not all configuration parameters are available from the keypad – i.e. flow and temperature calibration and advanced filter settings)
      Engineering Units Flow Meter: Feet, gallons, cubic feet, million gallons, barrels (liquid and oil), acre-feet, lbs, meters, cubic meters, liters, million liters, kg
      Inputs/Outputs USB 2.0: For connection of a PC running configuration utility
          RS485: MODBUS RTU command set
          4 to 20 mA: 12-bit, internal power, can span negative to positive flow/ energy rates
          0 to 1000 Hz: Open-collector, 12-bit, can span negative to positive rates; square-wave or turbine meter simulation outputs
      Two Alarm Outputs: Open-collector, configure as rate alarm, signal strength alarm or totalizer pulse
      Transducers
      Construction
          Standard (FDT-41 thru 46): NEMA 6 (IP67), PVC, PEI, Nylon cord grip, PVC cable jacket
          Temperature: -40 to 60°C (-40 to 140°F)
          FDT-41 thru 46 with “-HT” option, FDT-47 and FDT-48: NEMA 6 (IP67), CPVC, PEI, Nylon cord grip, PVC cable jacket
          Temperature: -40 to 90°C (-40 to 194°F)
          FDT-47 “-HT”: NEMA 6 (IP67), PTFE, polyimide, Nickel-plated brass cord grip, PFA cable jacket
          Temperature: -40 to 176°C (-40 to 350°F)
      Frequency:
          FDT41 thru 46: 2 MHz
          FDT-47: 1 MHz
          FDT-48: 500 KHz
      Cables: RG59 coaxial, 75 Ω or twin axial, 78 Ω (optional armored conduit)
      Cable Length: Standard 6 m (20') 300 m (990') maximum in 3 m (10') incrementsSoftware Utilities Utilized to configure, calibrate and troubleshoot flowmeters. Connection via USB A/B cable; software is compatible with Windows 2000, Windows XP, Windows Vista® and Windows® 7
      RS485 Network All FDT-40 meters come equipped with RS485 drivers and utilize a MODBUS RTU command set (data can be returned in single-precision, doubleprecision, integer or floating point values). Up to 126 units products can be run on a single daisy-chain network and be individually queried for flow rate, positive flow accumulator, negative flow accumulator and signal strength. Flow accumulators can be cleared at discrete addresses or globally. The RS485 network is also compatible with direct to Excel, application.































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