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Mass and Volumetric Flow Meters
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- Ranges of 0 to 0.5 SCCM Up to 0 to 3000 SLM
- < 10ms Response Time—Field Adjustable
- 130+ Gas Calibrations with Every Unit: Air, Ar, CH4, CO, CO2, Ethane, H2, He, N2, N2O, Neon, O2, Propane, Butane, Acetylene, Ethylene and more
- Pressure, Temperature, and Volumetic and Mass Flow Simultaneously Displayed
FMA-1607A Model Options
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Flow Range
Output Signal
Max Operating Pressure
Max Process Temperature
Process Connection Type:
Process Connection Size:
Features
Category
Media type
Accuracy
Communications Protocol
Wetted Materials
Display
The FMA-1600A Series mass and volumetric Omega's flow meters use the principle of differential pressure within a laminar flow field to determine the mass flow rate. A laminar flow element (LFD) insdie the meter forces the gas into laminar (streamlined) flow. Inside this region, the Poiseuille equation dictates that the volumetric flow rate be linearly related to the pressure drop along a fixed distance of the LFE. This, along with the viscosity of the gas, is used to accurately determine the volumetri flow rate. Separate absolute temperature and pressure sensors are incorporated and correct the volumetric flow rate to a set of standard conditions. This standardized flow rate is commonly called the mass flow rate and is reported in units such as standard cubic feet per minute (SCFM) or standard liters per minute (SLM).
Standard units include a 0 to 5 V output (4 to 20 mA optional) and RS232 communications. The gas select feature can be adjusted from the front of the keypad or via RS232 communications. Volumetric flow, mass flow, or absolute pressure, and temperature can be viewed or recorded through the RS232 connection. It is also possible to multi-drop up to 26 units on the same serial connection to a distance of 125'. These flowmeters are also available in a portable version for use in the field (-B models).
SPECIFICATIONS
Accuracy: ±(0.8% of rdg + 0.2% FS)
Repeatability: ±0.2%
Turndown Ratio: 200:1
Response Time: 10 ms typical default response time for 63.2% of a step change. A variable register allows response time to be field adjustable to a certain extent via RS232 communications. The primary trade-off for response time is signal noise
Output: 0 to 5 Vdc standard
Operating Temperature: -10 to 50°C (14 to 122°F)
Zero Shift: 0.02% FS/°C/atm
Span Shift: 0.02% FS/°C/atm
Humidity Range: 0 to 100% non-condensing
Pressure (Max):
FMA-1600A Series: 145 psig
FMA-1600A Series: 50 psi differential
FVL-1600A Series: 10 psig
FVL-1600A Series: 10 psi differential
Measurable Flow Rate: 125% FS
Supply Voltage: 7 to 30 Vdc (15 to 30 Vdc for 4 to 20 mA output)
Supply Current: 35 mA typical current draw; 100 mA available supply recommended
Cable Connection: 8-pin mini DIN
Wetted Parts: 303 & 302 Stainless Steel, FKM Heat Cured Silicone Rubber, Glass Reinforced Polyphenylene Sulfide, Heat Cured Epoxy, Aluminum, Gold, Silicon, Glass. Contact Omega engineering for details.
-LSS (Option):316LSS, 303SS, 430FRSS, Perfluoroelastomer standard, FKM, EPDM, Buna, Neoprene Standard Pressure Drops (venting to atmosphere):
Standard units include a 0 to 5 V output (4 to 20 mA optional) and RS232 communications. The gas select feature can be adjusted from the front of the keypad or via RS232 communications. Volumetric flow, mass flow, or absolute pressure, and temperature can be viewed or recorded through the RS232 connection. It is also possible to multi-drop up to 26 units on the same serial connection to a distance of 125'. These flowmeters are also available in a portable version for use in the field (-B models).
SPECIFICATIONS
Accuracy: ±(0.8% of rdg + 0.2% FS)
Repeatability: ±0.2%
Turndown Ratio: 200:1
Response Time: 10 ms typical default response time for 63.2% of a step change. A variable register allows response time to be field adjustable to a certain extent via RS232 communications. The primary trade-off for response time is signal noise
Output: 0 to 5 Vdc standard
Operating Temperature: -10 to 50°C (14 to 122°F)
Zero Shift: 0.02% FS/°C/atm
Span Shift: 0.02% FS/°C/atm
Humidity Range: 0 to 100% non-condensing
Pressure (Max):
FMA-1600A Series: 145 psig
FMA-1600A Series: 50 psi differential
FVL-1600A Series: 10 psig
FVL-1600A Series: 10 psi differential
Measurable Flow Rate: 125% FS
Supply Voltage: 7 to 30 Vdc (15 to 30 Vdc for 4 to 20 mA output)
Supply Current: 35 mA typical current draw; 100 mA available supply recommended
Cable Connection: 8-pin mini DIN
Wetted Parts: 303 & 302 Stainless Steel, FKM Heat Cured Silicone Rubber, Glass Reinforced Polyphenylene Sulfide, Heat Cured Epoxy, Aluminum, Gold, Silicon, Glass. Contact Omega engineering for details.
-LSS (Option):316LSS, 303SS, 430FRSS, Perfluoroelastomer standard, FKM, EPDM, Buna, Neoprene Standard Pressure Drops (venting to atmosphere):
| Max Flow Rate | 0.5 to 50 SCCM | 0.1 to 10 SLM | 20 SLM | 50 SLM | 100 SLM | 250 SLM | 500 SLM | 1000 SLM | 1500 SLM |
| PSID | 1 | 1 | 1 | 2 | 2.5 | 4.0 | 5.5 | 6.0 | 9.0 |
Rated 4 out of
5
by
Ehgid from
Good Mass Flowmeter
Easy to setup and reliable. Easy to use. Remote operation needs expert installation but is easy to use after setup. Price could be lower to have a broader application.
Date published: 2016-11-17
Rated 5 out of
5
by
Duc VuLuong from
Accurate and reliable
Bought this flow meter to measure and calibrate the flow rate of Helium and Argon for a protein analyzer instrument. Without the meter, it's virtually impossible to know the exactly flow rate to calibrate it since the instrument doesn't response to change in flow rate. We waste a lot of precious Helium gas due to that. Now that it's calibrated, we can save money in the long run. Awesome!
Date published: 2024-07-31
Rated 5 out of
5
by
Prof YUYE J TONG from
High performance flow meters
My laboratory have ordered 2 1617A and 4 1619A flow meters and been satisfied with their performance.
Date published: 2023-12-17
Rated 3 out of
5
by
Evan121212 from
Need better software
IT works well, but would love to see a better user interface to connect it to PC. Using PuTTY kind of sucks.
Date published: 2023-08-07
Rated 5 out of
5
by
Shan from
Highly recommend
Great product! I was worried this wouldn't arrive in time for when it was needed but very quick!
Date published: 2023-07-26
Rated 5 out of
5
by
Jon F from
As Advertised
Worked as advertised. No issues. seems robust for out testing environment
Date published: 2023-03-20
Rated 3 out of
5
by
chuckd from
2 units defective out of box
The negative terminal was shorted to the body of the sensor and would not work unless the sensor was installed isolated from ground, which we couldn't do in our application. They are easy to disassemble, and the problem was obvious, as one of the wires that connects to the terminal extended about 1/2" past the point that it was soldered at, so the bare wire came into contact with the body of the sensor when it was assembled.
Date published: 2023-01-05
Rated 5 out of
5
by
D Holma from
Very Dependable Unit
These units are very dependable. Have bought them on several occasions. Omega also has a good return policy which I had used because I had mistakenly bought the wrong unit. It was very painless to get it sent back and order the correct one.
Date published: 2022-03-22
hi how i can connect it to o2 generator @65 psi thank you
Hi, you may connect to the mass flow meter via a machine thread or NPT connection with sufficient straight run pipe or tubing, 10x the diameter of the pipe or tube upstream and 5x the diameter of the pipe or tubing downstream.
Date published: 2019-08-06
these devices comes with a NIST calibration Cert
Thank you for your inquiry about the mass flow meter. Per the data sheet for this flow meter series:
Comes complete with 24 Vdc universal power supply, 1.8 m (6') cable, 8-pin male Mini-DIN connector, operator’s manual, and NIST certificate.
Date published: 2023-04-14
What is the standard pressure and temperature used for the flow rates stated for the FMA-1600 mass flow meters?
Thank you for your inquiry about the mass flow meter. The FMA-1600A series are normally set to STP conditions of 25 Celsius and 14.696 PSIA.
Date published: 2022-06-29
Is this device intrinsically safe?
Thank you for your inquiry. Unfortunately, it is not rated for hazardous applications.
Date published: 2024-03-23
I am plan to measuring oxygen flow to a process. How can I specify that the instrument must be cleaned for oxygen service?
Thank you for your inquiry about the mass flow meter. Please compose an email and sent to the Flow Group at flow@omega.com and will advise and/or provide a custom part number for it.
Date published: 2022-05-25
How do I connect the device to a PC/laptop? What accessories are needed and what software?
Thank you for your inquiry! These units come standard with RS232 communications which will be the means for connecting to a PC or laptop. This will require a serial cable and Hyperterminal program mentioned on page 26 of the product manual.
Date published: 2021-05-26
What is the minimum inlet pressure of the 0-5 SLPM model?
Thank you for your inquiry. The minimum pressure required is 1 PSI
Date published: 2024-08-07
I am interested in using Modbus protocol via RS232/RS485 to poll data from this instrument. Is this possible? And if so, what register address corresponds to what type of data (ie Mass flow, Volumetric flow, Pressure and Temperature)?
Thank you for your inquiry. The manual for the MODBUS communication protocol is found in the Downloads & Software Manuals Tab.
Date published: 2024-02-11
Accessories
Replacement 1.8M (6') 8 pin male Mini-DIN single ended, cable connector
$63.47
5 In Stock
1.8M (6') 8 pin male right angle Mini-DIN single ended cable connector
$77.19
0 In Stock
Accessories for FLR-1600/FLV-4600 Series
