Omega FMA 5400A - Accuracy, Response Time, and Pressure Ratings

8
REPEATABILITY: ±0.5% of full scale.
TEMPERATURE COEFFICIENT: 0.15% of full scale/
F
C.
PRESSURE COEFFICIENT: 0.01% of full scale/psi (0.07 bar).
RESPONSE TIME: FMA 5400A/5500A Series Max. Flow 10 L/min: 300ms time
constant; approximately 1 second to within ±2% of set flow rate for
25% to 100% of full scale flow.
FMA 5400A/5500A Series Max. Flow 50 & 100 L/min: 600ms time
constant; approximately 2 seconds to within ±2% of set flow rate for
25% to 100% of full scale flow.
FMA 5400A/5500A Series Max. Flow 200, 500 & 1000 L/min:
1800ms time constant; approximately 5 seconds to within ± 2% of
set flow rate for 25% to 100% of full scale flow.
MAX GAS PRESSURE: 1000 psig (69 bars) FMA 5400A/5500A Series Max. Flow 10, 50 and
100 L/min; 500 psig (34.5 bars) Series Max. Flow 200, 500 & 1000 L/min. Optimum pressure
is 20 psig (1.4 bars).
TURNDOWN RATIO: 40:1.
MAX DIFFERENTIAL PRESSURE: 50 psid (345 kPa) for 5400A/5500A 10/50/200/500/1000
AND 40 psid (276 kPa) for 5400A/5500A 100.
GAS TEMPERATURE: 32
F
F to 122
F
F (0
F
C to 50
F
C).
AMBIENT TEMPERATURE: 14
F
F to 122
F
F (-10
F
C to 50
F
C).
GAS RELATIVE HUMIDITY: Up to 70%.
MAXIMUM INTERNAL LEAK: 0.5% FS.
LEAK INTEGRITY: 1 x 10
-9
sccs He max to the outside environment.
ACCURACY: FMA 5400/5500 Series Max. Flow 10, 50, 100 L/min: ±1.0% F.S.
FMA 5400A/5500A Series Max. Flow 200, 500 and 1000 L/min: See table below.
ACCURACY % FS OPTIONAL ENHANCED ACCURACY % FS
MODEL
FMA 5400A/5500A Series Max.
Flow 200, 500 and 1000 L/min
MODEL
FMA 5400A/5500A Series Max.
Flow 200, 500 and 1000 L/min
FLOW
RANGE
20-100%
0-20%
FLOW
RANGE
20-100%
0-20%
ACCURACY ±1.5%
±3%
ACCURACY
±1%
REF DATA with ±1%