OMEGA FMA-4115 Programmable Mass Flow Meter and Totalizer (40 SLM, ± 1 %, 1/4 in, Compression Fitting)

Accuracy: ± 1 %

Compliance: CE

Calibration: NIST 10-Point Certificate

Switch Type: SPDT NO/NC, Selectable

Display Type: None

Accuracy Note: ± 1% of FS at calibration temperature and pressure

Output Detail: 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)

Output Signal: Current, Voltage

Repeatability: ± 0.15%

Response Time: 2 sec

Switch Rating: 30 Vdc, 1A

Data Interface: RS232

Humidity Range: Up to 70%

Supply Voltage: 11 to 26 Vdc

Turndown Ratio: 50:1

Electrical Output: 4 to 20 mA, 0 to 5 Vdc

Enclosure Ratings: Inst. Level II/Poll. Degree II (IEC 60664)

Materials, Wetted: 316 Stainless Steel, Aluminum, Brass, FKM

Power Consumption: 2.4 W

Supply Power Note: Transducer Input Power: 11 to 26 Vdc, 100 mV max peak to peak output noise

Pressure Drop, Max: 4 psi

Response Time Note: 600 ms time constant; approximately 2 seconds to within ± 2% of set flow rate for 25 to 100% of full scale flow

Media Compatibility: Air, Gases, Nitrogen, Oxygen

Altitude Sensitivity: Deviation of up to 1% from stated accuracy, after re-zeroing

Pressure Coefficient: 0.01% FS/psi

Leak Rate Under Vacuum: less than 10^⁻9 cc He/s

Operating Pressure, Max: 500 psi

Operating Pressure, Min: 0 psi

Process Connection Size: 1/4 in

Process Connection Type: Compression Fitting

Temperature Coefficient: 0.15% FS/°C

Volumetric Flow Rate, Max: 40 SLM

Volumetric Flow Rate, Min: 0.1 SCCM

Operating Temperature, Max: 50 °C

Operating Temperature, Min: 5 °C

Datasheet