Technical Data for FMA-LP1600A Low Pressure Drop Mass Flow Meters
0 to 0.5 sccm Full Scale through 0 to 500 slpm Full Scale
Standard Operating Specications (Contact Omega for available options.)
Performance FMA-LP1600A Mass Flow Meter
Accuracy at calibration conditions
after tare
± (0.8% of Reading + 0.2% of Full Scale)
High Accuracy at calibration conditions
after tare
± (0.4% of Reading + 0.2% of Full Scale)
High Accuracy option not available for units ranged under 5 sccm or over 500 slpm.
Accuracy for Bidirectional Meters
at calibration conditions after tare
± (0.8% of reading + 0.2% of total span from positive full scale to negative full scale)
Repeatability ± 0.2% Full Scale
Zero Shift and Span Shift 0.02% Full Scale / ºCelsius / Atm
Operating Range / Turndown Ratio 0.5% to 100% Full Scale / 200:1 Turndown
Maximum Measurable Flow Rate 128% Full Scale
Typical Response Time 10 ms (Adjustable)
Warm-up Time < 1 Second
Communications / Power FMA-LP1600A Mass Flow Meter
Monochrome LCD Display with
integrated touchpad
Simultaneously displays Mass Flow, Volumetric Flow, Pressure and Temperature
Digital Output Signal
1
Options RS232 Serial / RS485 Serial
Analog Output Signal
2
Options 0-5 Vdc / 1-5 Vdc / 0-10 Vdc / 4-20 mA
Optional Secondary Analog Output
Signal
2
0-5 Vdc / 1-5 Vdc / 0-10 Vdc / 4-20 mA
Electrical Connection Options 8 Pin Mini-DIN / 15-pin D-sub (DB15)
Supply Voltage 7 to 30 Vdc (15-30 Vdc for 4-20 mA outputs)
Supply Current 0.040 Amp (+ output current on 4-20 mA)
1. The Digital Output Signal communicates Mass Flow, Volumetric Flow, Pressure and Temperature
2. The Analog Output Signal and Optional Secondary Analog Output Signal communicate your choice of Mass
Flow, Volumetric Flow, Pressure or Temperature
Operating Conditions FMA-LP1600A Mass Flow Meter
Mass Reference Conditions (STP) 25ºC & 14.696 psia (standard — others available on request)
Operating Temperature −10 to +50 ºCelsius
Humidity Range (Non–Condensing) 0 to 100%
Maximum Pressure
50 psig
1
Higher line pressures available, please contact Omega.
Mounting Attitude Sensitivity None
Ingress Protection IP40
Wetted Materials
303 & 302 Stainless Steel, FKM Heat Cured Silicone Rubber, Glass Reinforced
Polyphenylene Sulde, Heat Cured Epoxy, Aluminum, Gold, Silicon, Glass.
If your application demands a different material, please contact Omega.
1. Do Not subject a FMA-LP1600A Differential Pressure sensor to upstream-downstream pressure
differentials exceeding 15 PSID.
Full Scale Flow
Mass Meter
Pressure Drop at FS Flow
(psid)venting to atmosphere
Mechanical Dimensions Process Connections
1
0.5 sccm to 2 sccm 0.06
3.9”H x 2.4”W x 1.1”D
M-5 (10-32) Female Thread
5 sccm to 20 sccm 0.07
50 sccm 0.07
4.1”H x 2.4”W x 1.1”D 1/8” NPT Female
100 sccm to 200 sccm 0.06
500 sccm 0.07
1 slpm to 5 slpm 0.07
10 slpm 0.08 4.3”H x 2.7”W x 1.1”D
1/4” NPT Female
20 slpm 0.25 4.4”H x 4.0”W x 1.6”D
40 slpm 0.12 5.0”H x 4.0”W x 1.6”D 1/2” NPT Female
50 slpm 0.14
5.0”H x 4.0”W x 1.6”D 3/4” NPT Female100 slpm 0.24
250 slpm 0.60
500 slpm 0.39 5.3”H x 5.2”W x 2.9”D 3/4” NPT Female
1. Compatible with Swagelok® tube, Parker®, face seal, push connect and compression adapter ttings. VCR and SAE
connections upon request.
Range Specic Specications
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