Mass Flowmeters and Controllers With Or Without Integral Display |
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The FMA-A2100/2200/2300/2400 Series Electronic Mass Flowmeters/ Controllers provide high performance,
versatility and state-of-the-art design in one compact package. The FMA-A2100/ 2200/2300/2400 uses
capillary-type thermal technology to directly measure mass flow of gases. No temperature, pressure,
or square root corrections are required. The FMA-A2300/2400 Series comes with an LCD display, and all
models come with linear 0-5 and 4-20 mA output.
The FMA-A2100/2200/2300/2400 measures the mass flowrate of gases in 24 ranges from 0-10 SCCM to 0-100
SLM. For the complete listing, refer to the range table below. The FMA-A2100/2200/ 2300/2400 Series
is compatible with most noncorrosive gases. The user is advised to check the wetted materials against
gas compatibility.
OMEGA’s Mass Flow Controllers use an internal electromagnetic proportional valve to control the mass
flowrate. A command signal can be supplied either by the internal setpoint pot or by a 0-5 Vdc external
source.
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 H2O
Controllers ≤1 SLM: 1 psi
Controllers >20 SLM: 20 psi
Differential Pressure for Mass Flow Controllers:
<5 LPM: 5 to 50 psi standard
>5 LPM: 20 to 40 psi standard
Maximum Gas Pressure:
Polyacetal: 250 psig
316 SS: 500 psig
Leak Integrity: 1 x10-6 cc/min of He or better
Wetted Parts:
Standard: Polyacetal, FKM O-rings
Optional: 316 SS, FKM O-rings
Connections: 1/4 FNPT standard; 1/4" compression fitting for all stainless steel models
Input/Output Connection: 9-pin sub-D connector
Control Signal: 0 to 5 Vdc
Control Valve: Electromagnetic normally closed
Output signal: Linear 0 to 5 Vdc, 1000 Ω min load, 4 to 20 mA, 500 Ω loop resistance
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: See drawing
Weight: 1.25 kg (2.75 lb) with power supply
Range Table
| Code | SCCM | Code | SLM | Code | SLM |
| 00 | 0-10 | 06 | 0-1 | 14 | 0-35 |
| 01 | 0-20 | 07 | 0-2 | 15 | 0-40 |
| 02 | 0-50 | 08 | 0-5 | 16 | 0-45 |
| 03 | 0-100 | 09 | 0-10 | 17 | 0-50 |
| 04 | 0-200 | 10 | 0-15 | 18 | 0-55* |
| 05 | 0-500 | 11 | 0-20 | 19 | 0-60* |
| | | 12 | 0-25 | 20 | 0-65* |
| | | 13 | 0-30 | 21 | 0-70* |
| | | | | 22 | 0-75* |
| | | | | 23 | 0-100* |
*Only for FMA-A2100/2300 Series
*Insert range code from table at top of page to complete model number.
**Specify gas and inlet/outlet Pressure
FMA-A2200-SS-(**) and FMA-A2400-SS-(**) controllers have a stainless steel body (with 1/4" compression fittings)standard.
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† Price are shown in RMB.
Note: Comes complete with 9-pin sub-D connector, power supply, 5-point NIST certificate, and operator's manual.
For a 10-point NIST certificate, add suffix "-NIST10" to the part number; add $125 to price.
***PRODUCT PURCHASED PRIOR TO JANUARY 1, 2012 WILL NOT INCLUDE A NIST CALIBRATION WITH POINTS UNLESS SPECIFIED AT THE TIME OF THE ORIGINAL ORDER. CALIBRATIONS WITH POINTS PRIOR TO JANUARY 1, 2012 WERE AN ADDITIONAL COST.
Calibrations done at ambient (20°C or 70°F) temperature only.
CONTROLLERS:
All controller flow ranges specified are for Nitrogen or air at 20; psig when used for other gases, a correlation factor is needed to determine the flow rate.
For non-standard calibrations, replace controller suffix "-(**)" with the desired gas and pressure.
METERS:
Meter flow rates are specified at Nitrogen 14.7 psia.
(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)
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Part Number Builder |
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Option Descriptions
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(1)
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Series
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Select
21 for 2100 Series meter without display
22 for 2200 Series controller without display
23 for 2300 Series meter with display
24 for 2400 Series controller with display
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(2)
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Range
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Select
00 for 0 to 10 SCCM
01 for 0 to 20 SCCM
02 for 0 to 50 SCCM
03 for 0 to 100 SCCM
04 for 0 to 200 SCCM
05 for 0 to 500 SCCM
06 for 0 to 1 SLM
07 for 0 to 2 SLM
08 for 0 to 5 SLM
09 for 0 to 10 SLM
10 for 0 to 15 SLM
11 for 0 to 20 SLM
12 for 0 to 25 SLM
13 for 0 to 30 SLM
14 for 0 to 35 SLM
15 for 0 to 40 SLM
16 for 0 to 45 SLM
17 for 0 to 50 SLM
18 for 0 to 55 SLM (FMA-A2100/2300 series only)
19 for 0 to 60 SLM (FMA-A2100/2300 series only)
20 for 0 to 65 SLM (FMA-A2100/2300 series only)
21 for 0 to 70 SLM (FMA-A2100/2300 series only)
22 for 0 to 75 SLM (FMA-A2100/2300 series only)
23 for 0 to 100 SLM (FMA-A2100/2300 series only)
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(3)
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Stainless Steel Body
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Select
Nothing(leave field blank) for None
-SS for Stainless steel body
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(4)
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Additional Options
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Select
Nothing(leave field blank) for None
-NIST10 for 10-point NIST calibration certificate (FMA-A2200/2400 series only)
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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