Omega Products FMA2701 User Manual
STAINLESS STEEL GAS MASS FLOWMETERS
AND CONTROLLERS
For Clean Gases
FMA2800 Series
U Economical
U Compact and Lightweight
U Power Supply Included
The FMA2700/FMA2800 Series
electronic mass flowmeters
and FMA3700/FMA3800 mass
flow controllers provide high
performance and versatility.
Omega’s new in-line series features
a “flow-through” zero dead space
design for quicker processing and
lower contamination.
Available with onboard display and
wall-mounted power supply, the
in-line series is ideal for laboratory
and test applications. Compact,
lightweight, and economical,
the FMA2700/FMA2800 Series
electronic mass flowmeters
and FMA3700/FMA3800 mass
flow controllers are perfect for
applications that require an all
stainless steel construction.
SPECIFICATIONS
Accuracy: ±1% of full scale
including linearity
Repeatability: ±0.15% full scale or better
Turndown Ratio: 100:1
Response Time: 5 seconds
Gas Ambient Temperature:
0 to 50°C (32 to 122°F)
Temperature Coefficient:
0.05% full scale per 1°C or better
Pressure Coefficient:
0.01% full scale per psi or better
Minimum Pressure Requirements:
Meters: 1 inch of H
Controllers Up to 1 SLM: 1 psi
Controllers Greater Than 20 SLM:
20 psi
Differential Pressure for Mass
Flow Controllers: <5 SLM,
5 to 50 psi standard; >5 SLM,
20 to 40 psi standard
Maximum Gas Pressure: 500 psig
Leak Integrity:
-6
1 x 10
cc/min of He or better
Wetted Parts: 316 and 17-4 SS
with FKM O-rings
Gas Connections:
2
O
1
/
4" compression fitting
FMA3801, without
display, shown smaller
than actual size.
Electrical Connection:
9-pin sub-D connector
Control Signal: Integral or 0 to 5 Vdc
Control Valve:
Electromagnetic, normally closed
Output Signal: Linear 0 to 5 Vdc,
1000 V min load, 4 to 20 mA,
500 V loop resistance
To Order Visit omega.com/fma2700_2800_3700_3800 for Pricing and Details
Mass Gas Flowmeters Controller
With Display Without Display With Display Without Display
Model No. Model No. Model No. Model No. Max Flow
FMA2701 FMA2801 FMA3701 FMA3801 10 SCCM
FMA2702 FMA2802 FMA3702 FMA3802 20 SCCM
FMA2703 FMA2803 FMA3703 FMA3803 50 SCCM
FMA2704 FMA2804 FMA3704 FMA3804 100 SCCM
FMA2705 FMA2805 FMA3705 FMA3805 200 SCCM
FMA2706 FMA2806 FMA3706 FMA3806 500 SCCM
FMA2707 FMA2807 FMA3707 FMA3807 1 SLM
FMA2708 FMA2808 FMA3708 FMA3808 2 SLM
FMA2709 FMA2809 FMA3709 FMA3809 5 SLM
FMA2710 FMA2810 FMA3710 FMA3810 10 SLM
FMA2711 FMA2811 FMA3711 FMA3811 15 SLM
FMA2712 FMA2812 FMA3712 FMA3812 20 SLM
Accessories
Model No. Description
FMA-200PWA Replacement socket plug-in power supply for 90 to 260 Vac
Comes complete with operator’s manual, 9-pin sub-D connector, power supply and 5-point
NIST calibration.
For 10-point NIST calibration certificate, add suffix “-NIST10” to model number for
additional cost.
Ordering Examples: FMA2712, 20 SLM max mass flowmeter.
FMA3704, 100 SCCM max mass flow controller.
FMA3701, with
display, shown
smaller than
actual size.
Input Power:
Meters: 24 Vdc @ 150 mA,
115 Vac, 220 Vac with AC adaptor
Controller: 24 Vdc @ 300 mA,
115 Vac, 220 Vac with AC adaptor
Dimensions:
152.4 H x 83.5 W x 25.4 mm D
(6.00 x 3.29 x 1.00")
Weight: 1.57 kg (1.25 lb) with
power supply
D-25
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