Dwyer Instruments SERIES OMA Catalog Page
Series
A
B
C
D
E
F
G
OMA
Oxygen Flowmeter
Use to Indicate and Manually Control Oxygen Flow
Model OMA-1 & OMA-2
3-3/4 (95.25)
A
Ø7/8 (Ø22.23)
B
2-49/64 (70.25)
C
Ø21/64 (Ø8.33)
D
51/64 (20.24)
E
M10x1
F
51/64 (20.24)
G
OMA-3 & OMA-4
The Compact Series OMA Oxygen Flowmeter is made especially for medical
applications and manually controlling flow from oxygen generators. Flow levels are
kept stable by precision valve and knob adjustment. The low cost flowmeter is made
from durable clear acrylic plastic. The easy-to-read scale is hot stamped into the
acrylic so it will not wear off. The ball float is highly visible against the light blue
background. Readings are repeatable within ±4% full-scale accuracy.
Model
OMA-1
OMA-2
OMA-3
OMA-4
ACCESSORY
A-222, .240˝ I.D. x .375˝ OD tubing
Scale (L/min)
0.1-1.5
0.3-3
0.5-5
1.0-10
OMA-1 & OMA-2
SPECIFICATIONS
Service: Oxygen.
Wetted Materials: Acrylic and electroplated brass; Ball float: SS (OMA-1); Agate
(OMA-2,-3,-4); O-ring: NBR.
Pressure Limits: 29 psi (2.0 bar).
Temperature Limits: 32 to 140°F (0 to 60°C).
Accuracy: ±4% of full scale.
Connection: 1/4˝ ID tubing.
Mounting: Vertical.
USA: California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
DIMENSION-INCHES (MM)
Model OMA-3 & OMA-4
4-37/64 (116.28)
Ø7/8 (Ø22.23)
3-35/64 (90.09)
Ø21/64 (Ø8.33)
51/64 (20.24)
M10x1
51/64 (20.24)
FLOW
Flowmeters, Variable Area
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