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Programmable Mass Flow Meter and Totalizer
FMA-4100/4300 Series
PLACE ORDER - 23 Selectable Engineering Units (Including User Defined)
- Programmable Totalizer
- High and Low Gas Flow Alarms
- Two Sets Programmable SPDT Relays with Latching Feature
- Selectable Analog 0 to 5 Vdc or 4 to 20 mA Outputs
- Internal Conversion Factors for Up to 32 Gases
- Digital Interface RS-232 Standard
- Automatic Sensor Zero Offset Adjustment (Via Digital Interface or Local Push Button)
- Self-Diagnostic Tests
- Display Units Include Adjustable Back Lighting
Description
Description
The FMA-4100/4300 Series flowrate can be displayed in 23 differentvolumetric flow or mass flowengineering units including a userspecific selection. Flowmeters canbe programmed remotely viaRS232 or RS485 (optional).FMA-4100/4300 flowmeters supportvarious functions including,programmable flow totalizer, highand low flow alarm, automatic zeroadjustment, 2 relay outputs, jumperselectable 0 to 5 Vdc or 4 to 20 mAanalog outputs, status LEDdiagnostic, storage of up to 10different gas calibrations, internalor user-specific K-factors. Displaymodels have local 2 lines x 16characters LCD display withadjustable back light provides flow,total and diagnostic readingsimultaneously. The digital RS232or RS485 (optional) interfaceprovides access to applicableinternal data including, flow, CPUtemperature, auto zero, totalizerand alarms settings, gas table,conversion factors and engineeringunits selection, dynamic responsecompensation and linearizationtable adjustment. The analoginterface provides 0 to 5 Vdc or 4 to20 mA (jumper selectable) outputsfor flow reading.
The FMA-4100/4300 supportsautomatic sensor zero offsetadjustment which can be activatedlocally via the maintenance pushbutton or remotely via digitalinterface. The auto zero featurenecessitates a condition of absolutelyno flow through the meter during theadjustment process. Provisions aremade to either start, read, or savethe current auto zero value via digitalcommands. Digital totalizercommands include: set to zero, startat a preset flow, assign action to apreset value, start/stop totalizing andread. High and Low gas flow alarmlimits can also be preprogrammedvia digital interface. Alarm action canbe assigned with preset delayinterval (0 to 3600 seconds) toactivate the contact closer (separatefor high and low alarm). Latch modecontrol feature allows each relay tobe latched on or follow thecorresponding alarm status.
FMA-4100/4300 Transducers should not be used for monitoring Oxygen gas unless specifically clean and prepared for such application. See below for ordering instructions.
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: Max Flow &#LE; 10 SLM: 1.28 kPa (0.18 psi)
Max Flow < 10 SLM: 27.58 kPa (4 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:
Standard Aluminum Models: Anodized aluminum, brass, 316 stainless steel, FKM O-rings
Optional 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 6.35 mm (1/4") compression fittings for up to 50 SLM.
Standard 9.53mm (3/8") for models above 60 SLM
Optional: 3.18 or 9.53 mm (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-point NIST traceable calibration. Optional, up to 9 additional calibrations may be ordered at additional charge. Contact trodeks for additional information
CE Compliance: EMC compliance with 89/336/EEC as amended
Emission Standard: EN 55011:1991, Group 1
Class A Immunity Standard:
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