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Mass Controllers With Or Without Integral Display
Mass Flowmeters and Controllers With Or Without Integral Display
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FMA-A2308 Model Options
View all modelsEdit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.
*Highlighted options are not compatible. Please select a different combination.
Category
Flow Range
Wetted Materials
Display
Max Operating Pressure
Process Connection Type:
Features
Media type
Accuracy
Output Signal
Max Process Temperature
Process Connection Size:
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
*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.
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* |
*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.
Rated 5 out of
5
by
Tractor burn from
Great for QC or R&D
This is our 2nd flow meter of this style. The readings from old one match the new one. Good gage repeatability. Works great for checking air pumps. The display is good when you don't want hook up the analog output. Just keep the water drops away and make sure that you warm it up for 5 minutes.
Date published: 2016-10-04
Rated 5 out of
5
by
Paul M from
Controls and Electrical Engineer
It is a nice unit and preforms as described the calibration and accuracy, are spot on.
Date published: 2023-08-24
Rated 5 out of
5
by
AdrianG from
Omega FMA-A2300
Very accurate equipment, practical and easy to use
Date published: 2023-07-28
Rated 5 out of
5
by
Chris Heilner from
Reliable Instrument
Reliable instrument. Easy to use.
Good value too. Great customer service.
Date published: 2023-04-29
Rated 5 out of
5
by
Anonymous from
We use these with leak test decay test fixtures
Works very well, and comes calibrated ready to use
Date published: 2022-11-03
Rated 5 out of
5
by
Pouya from
This Mass Flowmeters works as descibed
Simple to connect. Reliable reading. Recommend it for simple applications.
Date published: 2020-04-06
Mass flow meters measuring liquids 120 degree's. water glycol. pressure's 800 psi. Up to 1200 psi. Factory aluminum foundry diecasting. CNC machining. Tough factory environment. Would like to talk to a engineer familiar with type engineering experience.
Thank you for your inquiry. Unfortunately, Omega's mass flow meters are only for gases, not liquids.
Date published: 2023-04-17
Can this flow meter operating with the helium at cryogenic temperatures?
Thank you for your inquiry. Unfortunately no. The minimum gas temperature is 32 degrees F.
Date published: 2023-06-05
We have an FMA-A2307 that after it turns on and eventually zeros, drifts between 0.01 to -0.02. We had it calibrated one year ago. When we put a flow on it which ranges from 0 to 0.30 LPM, it takes a while to get to a constant number.
Thank you for your inquiry! Yearly calibrations are recommended for these units and if this is a recent development another calibration may be needed. More details may be needed to diagnose this issue. Please contact us at flow@omega.com so that we can troubleshoot this issue.
Date published: 2021-12-16
Is the flow meter able to measure flow rates of air at rough vacuum pressures? I'd like to mount it inline with the inlet of a vacuum pump and measure the actual air flow rate the pump is drawing at line pressures around 10 mbar.
Thank you for your inquiry about the mass flow meters. Yes, this family of flow meters can measure in a vacuum application/condition and you have sufficient pressure to pull the air thru to measure.
Date published: 2023-06-27
are there water mesurements in lbs ?
This flowmeter is strictly only for gas flow. Cannot run water through it.
Date published: 2023-08-04
Hi have a FMA-A2310 unit and when plugged in the display flashes on and off. What could be the problem?
Thank you for your inquiry. Please e-mail us at flow@omega.com and we can help you troubleshoot this meter.
Date published: 2020-10-29
Hi I have been using the FMA-A2310 for awhile and i would like to know what type of sealant is the best for the plastic threads.
Thank you for your inquiry about the mass flow meter. Please send an email to flow@omega.com and our Design Engineering Group can advise per your request.
Date published: 2021-05-06
We have a mass flow meter that displays up to 500 sccm, on a regulated 250 psi line. we wonder about damaging the instrument during cylinder changes, (filling the line and venting), should we install a bypass valve, a restrictor or will it take the hit?
Thank you for your inquiry about the mass flow meter. That is a good suggestion to have a bypass the pressure away from the flow meter.
Date published: 2021-08-25
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