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Economical Gas Mass Flow Meters for Clean Gases with Optional Integral Display

$571.65

Item# FMA1702A

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $571.65
5-9 $543.07
10-24 $531.63
25-49 $508.77
50-99 $497.34
100+ $485.90

In stock

Lead Time ( If not in Stock): 4 weeks

Economical Gas Mass Flow Meters for Clean Gases with Optional Integral Display FMA1702A FMA1702A
Economical Gas Mass Flow Meters for Clean Gases with Optional Integral Display is rated 3.0 out of 5 by 2.
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  • Reads Gas Mass Flow Without Temperature or Pressure Compensation
  • Available in Economical Aluminum or Corrosion- Resistant 316 SS
  • Tiltable LCD Display for Easy Reading
  • NIST Traceable Calibration Included

Product info

Category
Meter
Media Type
Gas
Flow Range
0.1 to 10 SCCM
Accuracy
±1.0%
Output Signal
0 to 5 Vdc, 4 to 20 mA
Wetted Materials
Aluminum, Brass, FKM
Display
No Display
Max Operating Pressure
1,000 psi
Max Process Temperature
50 °C (122 °F)
Process Connection Type
Compression Fitting
Process Connection Size
1/4\"

Product Specs

  • Accuracy Value ±1% of full scale
  • Maximum Ambient Temperature 50°C (122°F)
  • Measurement Type Flow
  • Minimum Ambient Temperature -10°C (14°F)
  • Pressure Coeffcient 0.01% of full scale per psi (0.07 bar)
  • Response Time 800 msec time constant 2 seconds (typical) to within ±2% of set flow rate over 25 to 100% of full scale
  • Supply Voltage 12 Vdc @ 200 mA maximum
  • Temperature Coefficient 0.15% of full scale per °C or better
  • Wetted Materials Aluminum models: Anodized aluminum
  • Turndown Ratio 40:1
  • Repeatability ±0.5% of full scale and for units ≥100 scm from 0 to 20% of range

The FMA1700A/1800A Series eletronic gas mass flow meters allow users to monitor the flow of a wide variety of gases from 10 SCCM up to 1000 SLM. Utilizing heat transfer through a heated tube to measure molecular gas flow rate, the FMA1700A/1800A provides measurement of direct gas mass flow rate, without the need to compensate for variations in gas temperature or pressure (within stated limits). They are available in an economical aluminum/brass construction for typical gas flows and a 316 SS construction for applications requiring more corrosion resistance. The FMA1700A series without integral display is supplied with a field selectable analog 0 to 5 Vdc or 4 to 20 mA output for remote monitoring; the FMA1800A series has both an integral 3½ digit display and analog output. The display is tiltable over 90 degrees for viewing convenience. The display is calibrated standard to readout directly in SCCM or SLM for nitrogen (other gas calibrations available on special order). Due to their low cost, digital display, analog output capability, and insensitivity to variations in gas temperature and pressure, the FMA1700A/1800A Series are ideal substitutes for many rotameter applications. When used with the FMA178BP portable battery pack, the FMA1800A Series are ideal for in-the-field calibration of flow meters or testing of air sampling equipment. The FMA178BP battery pack includes batteries, recharger, and carrying case with shoulder strap and belt loop. With the FMA178BP, the flow meter can operate in excess of 40 hours; the batteries can be recharged at least 200 times. The FMA1700A/1800A Series require 12 to 26 Vdc power @ 200 mA maximum, which can be supplied by the FMA178PW plug-in socket power supply. The electronics are reverse polarity protected and has externally accessible fusing. Model number FMA178C (supplied separately) provides a mating 9-pin “D” connector with 3 feet of ribbon cable for accessing the 0 to 5 Vdc output signal and power input connections (use FMA178C-MA for 4 to 20 mA output signal connection). The LCD supplied with the FMA1800A Series is connected to the lower electronics via a modular plug. The LCD can be remotely located by purchasing an FMA18RC remote cable assembly you must then build your own assembly for panel mounting the LCD.

SPECIFICATIONS
Accuracy: ±1% of full scale, including linearity over 15 to 25°C and 5 to 60 psia (0.35 to 4.2 kg/cm²)(For sizes up to 100SLM), ±1.5% of full scale, including linearity over 15 to 25°C and 5 to 60 psia (0.35 to 4.2 kg/cm²)For larger sizes)
Turn-Down Ratio: 100:1
Repeatability: ±0.5% of full scale and for units ≥100 scm from 0 to 20% of range
Temperature Coefficient: 0.15% of full scale per °C or better
Pressure Coefficient: 0.01% of full scale per psi (0.07 bar)
Response Time: 800 msec time constant; 2 seconds (typical) to within ±2% of set flow rate over 25 to 100% of full scale
Power Requirements:12 to 26 Vdc power @200 mA maximum
Maximum Gas Pressure: 1000 psig (70 kg/cm² gauge) for ranges upto 100 SLM; 500 psig (35 kg/cm² gauge)Above 100 SLM; 20 psig optimum
Gas and Ambient Temperature: 0 to 50°C (0 to 122°F)
Leak Integrity: 1 x 10-9; std cc/sec of helium maximum to outside environment
Materials in Fluid Contact:
    Aluminum models: Anodized aluminum, 316 SS, brass and FKM O-rings
    Stainless Steel models: 316 SS and FKM O-rings
Output Signal
    Linear 0 to 5 Vdc: 1000 Ω minimum load
    4 to 20 mA: 50 to 250 Ω loop resistance
Transducer Power: 12 to 26 Vdc @ 200 mA maximum (FMA178PW)
Shipping Weight: 1.1 kg (2.5 lb)
Compliance: EN55011 class 1, class B; EN50082-1

Rated 4 out of 5 by from Sr. Engr. Tech. Always happy with the Omega flow meters. Will keep buying this product.
Date published: 2017-04-05
Rated 2 out of 5 by from Poor performance Generally unsatisfied with the quality and reliability of this product. For research grade purposes, save your money or go for more reliable and more expensive models.
Date published: 2017-08-18
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Does the FMA1804A come with a standard power supply or does that need to be purchased separately?

Asked by: Anonymous
Hi and thanks for connecting with Omega. The FMA1800A Series comes complete with compression fittings, operator’s manual, and NIST certificate. Power supplies sold separately. The FMA178PW is the recommended power supply per the data sheet on the product page.
Answered by: Jane
Date published: 2019-06-13

For the 1700a/1800a series, is there a way to hook up the flow meter (using the serial port) to a computer to export the digital output in order to be able to plot the flow data over time (i.s- use a program such as excel)?

Asked by: Anonymous
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