OMEGA FMA6703 Multi Parameter Mass Flow Meter With Flow Totalizer (50 SCCM, ± 1 %, 1/4 in, Compression Fitting)
Weight: 2.2 lb
Accuracy: ± 1 %
Compliance: CE
Calibration: NIST 10-Point Certificate
Display Note: 128 x 64 graphic LCD with backlight (up to 8 lines of text). User selectable backlight saver.
Display Type: LCD
Accuracy Note: 0°C to 50°C and 5 to 100 psia (34.5 - 689.5 kPa): ± 1% of full scale (F.S.)
Output Detail: Linear 0-5 Vdc (3000 ohms min load impedance); Linear 0-10Vdc (6000 ohms min impedance); Linear 4-20 mA (500 ohms maximum loop resistance). Maximum noise 20mV peak to peak (for 0-5 Vdc output).
Output Signal: Current, Voltage
Repeatability: ± 0.15%
Response Time: 300 ms
Burst Pressure: 200 psi Maximum
Data Interface: RS485
Humidity Range: Up to 70%
Supply Voltage: Bipolar ± 15Vdc, Unipolar 12Vdc to 24Vdc
Electrical Output: 4 to 20 mA, 0 to 5 Vdc, 0 to 10 Vdc
Enclosure Ratings: Inst. Level II/Poll. Degree II (IEC 60664)
Materials, Wetted: 316 Stainless Steel, 416 Stainless Steel, FKM
Pressure Accuracy: ± 1 %
Supply Power Note: May be configured for three different options: Bipolar ± 15Vdc (± 200 mA maximum); Unipolar +12Vdc (300 mA maximum); Unipolar +24Vdc (250 mA maximum); Circuit boards have built-in polarity reversal protection. Resettable fuses provide power input protection
Circuit Protection: Reverse polarity, Current Limit, Resettable Fuse
Pressure Drop, Max: 0.04 psi
Response Time Note: 300ms time constant; approximately 1 second to within ± 2% of set flow rate for 25% to 100% of full scale flow.
Data Interface Note: The digital interface operates via RS485 (optional RS232 is available)
Media Compatibility: Air, Gases, Nitrogen, Oxygen
Altitude Sensitivity: Incremental deviation of up to 1% from stated accuracy, after re-zeroing
Pressure Coefficient: 0.01% FS/psi
Temperature Accuracy: ± 1 °C
Additional Features 1: 2 SPDT 1A Relay, Multi-parameter Display
Leak Rate Under Vacuum: less than 10^⁻9 cc He/s
Operating Pressure, Max: 100 psi
Operating Pressure, Min: 0 psi
Process Connection Size: 1/4 in
Process Connection Type: Compression Fitting
Temperature Coefficient: 0.15% FS/°C
Process Temperature, Max: 50 °C
Process Temperature, Min: 0 °C
Volumetric Flow Rate, Max: 50 SCCM
Volumetric Flow Rate, Min: 0.2 SCCM
Operating Temperature, Max: 50 °C
Operating Temperature, Min: -10 °C
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