Omega Flowmeter FMA-4118

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
Maximum Gas Pressure: 3447 kPa
gauge (500 psig)
Maximum Pressure Drop:
Maximum Flow ≤10 SLM:
1.28 kPa (0.18 psi)
Maximum 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