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Programmerbar masseflowmåler og totaliser

FMA-4100/4300 Series

Programmerbar masseflowmåler og totaliser | FMA-4100/4300 Series

Programmerbar masseflowmåler og totaliser

DKK6.220,00 FMA-4302

1 year warranty CE
  • Valg af 23 tekniske enheder (herunder brugerdefinerede)
  • Alarmer for højt og lavt gasflow
  • Programmerbar totaliser
  • To sæt programmerbare SPDT-relæer med låsepalfunktion
  • Mulighed for valg af analoge udgange på 0 til 5 VDC eller 4 til 20 mA
  • Interne konverteringsfaktorer for op til 32 gasser
  • Digital interface RS-232 som standard
  • Automatisk justering af nulforskydning for sensor (via digital interface eller lokal trykknap)
  • Selvdiagnostiktest
  • Displayenheder med justerbar bagbelysning
Elektroniske masseflowmetre - Vis relaterede produkter

Beskrivelse

The FMA-4100/4300 Series flow rate can be displayed in 23 different volumetric flow or mass flow engineering units including a user specific selection. Flowmeters can be programmed remotely via RS232 or RS485 (optional). FMA-4100/4300 flowmeters support various functions including, programmable flow totaliser, high and low flow alarm, automatic zero adjustment, 2 relay outputs, jumper selectable 0 to 5 Vdc or 4 to 20 mA analogue outputs, status LED diagnostic, storage of up to 10 different gas calibrations, internal or user-specific K-factors. Display models have local 2 lines x 16 characters LCD display with adjustable back light provides flow, total and diagnostic reading simultaneously. The digital RS232 or RS485 (optional) interface provides access to applicable internal data including, flow, CPU temperature, auto zero, totalizer and alarms settings, gas table, conversion factors and engineering units selection, dynamic response compensation and linearization table adjustment. The analogue interface provides 0 to 5 Vdc or 4 to 20 mA (jumper selectable) outputs for flow reading.

The FMA-4100/4300 supports automatic sensor zero offset adjustment which can be activated locally via the maintenance push button or remotely via digital interface. The auto zero feature necessitates a condition of absolutely no flow through the meter during the adjustment process. Provisions are made to either start, read, or save the current auto zero value via digital commands. Digital totaliser commands include: set to zero, start at a preset flow, assign action to a preset value, start/stop totalising and read. High and Low gas flow alarm limits can also be preprogrammed via digital interface. Alarm action can be assigned with preset delay interval (0 to 3600 seconds) to activate the contact closer (separate for high and low alarm). Latch mode control feature allows each relay to be latched on or follow the corresponding alarm status.

SPECIFICATIONS
Calibrations: Performed at standard conditions [101.4 kPa (14.7 psia) and 21.1°C (70°F)] unless otherwise requested or stated
Environmental (PER IEC 664): Installation Level II; Pollution Degree II
Flow Accuracy (Including Linearity): ±1% of FS at calibration temperature and pressure
Repeatability: ±0.15% of full scale
Flow Temperature Coefficient: 0.15% of full scale/°C or better
Flow Pressure Coefficient: 0.01% of full scale/psi (6.895 kPa) or better
Turndown Ratio: 50:1
Flow Response Time: 600 ms time constant; approximately 2 seconds to within ±2% of set flow rate for 25 to 100% of full scale flow
Max Gas Pressure: 3447 kPa gauge (500 psig)
Max Pressure Drop: 1.28 kPa (0.18 psi)
Gas and Ambient Temperature: 5 to 50°C (41 to 122°F)
Relative Gas Humidity: Up to 70%
Leak Integrity: 1 x 10-9 SCCS He max to the outside environment
Attitude Sensitivity: Deviation of up to 1% from stated accuracy, after re-zeroing
Output Signals: Linear 0 to 5 Vdc (3000 Ω min load impedance); Linear 4 to 20 mA (500 Ω max loop resistance). Max noise 20 mV peak to peak (for 0 to 5 Vdc output)
Relay: SPDT (30 Vdc, 1A)
Transducer Input Power: 11 to 26 Vdc, 100 mV max peak to peak output noise
Power Consumption: +12 Vdc (200 mA max); +24 Vdc (100 mA max); Circuit board has built-in polarity reversal protection, 300 mA resettable fuse provide power input protection
Wetted Materials:
    Aluminium Models: Anodised aluminum, brass, 316 stainless steel, FKM O-rings
    Stainless Steel Models: 316 stainless steel, FKM O-rings
    Optional O-ring Materials: Buna, EPR (Ethylene Propylene), or perfluoroelastomer
Inlet and Outlet Connections:
    Model FMA-4100/4300: Standard ¼" compression fittings
    Optional: 1/8 or 3/8" compression fittings
Display (FMA-4300 Models): Local 2 lines x 16 characters LCD with adjustable backlight (2-lines of text)
Calibration Options: Standard is one 10-points NIST traceable calibration. Optional, up to 9 additional calibrations may be ordered at additional charge. Contact OMEGA for additional information
CE Compliance: EMC compliance with 89/336/EEC as amended
    Emission Standard: EN 55011:1991, Group 1
    Class A Immunity Standard:
    EN 55082-1:1992
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All amounts shown in DKK
Noter: Comes complete with NIST Certificate, 15 pin D pre-wired cable, software disc (which includes the operator's manual).

Power supplies are sold separately. Power supplies also include cable.

Calibrations done at ambient temperature only.