FS series
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Catalog excerpts

FS series - 1

FLOW Range FS Series CSA Certified CE Marked ® TYPICAL APPLICATIONS • Burner Management • Leak Tests • Gas Consumption • Gas Blending • Shielding Gas • Laser Cutting • Die Casting • Robotics General Description • Mass flow measurement with integrated temperature and pressure correction • Visual readout of flow rate or total, pressure, and temperature • Programmable set points • Intrinsically Safe • No moving parts reduces maintenance • Wide turndown for precision measurement at low or high flow • 10-point calibration (NIST Traceable certificate available) Laminar Flow Element differential pressure flowmeters are good for clean, dry, non-corrosive, noncondensing gasses. Corrected for temperature and pressure, it has a mass flow output. The EMI immunity and fast response (5 ms available) make the meters suitable for robotics’ applications (painting or welding). A variety of outputs are available (4-20 mA, 0-5 V, and pulse). NIST traceable and CSA units are Type 4 weatherproof. The accuracy is less than 1% of reading subject to limitations described in the Specifications section. The integrated LCD display can indicate flow rate or total as well as gas temperature and pressure. Calibration is done on air with empirically derived conversion factors. Oxygen cleaning optional. Sizes range from 1/8 to 3/4 inch threaded connections. Anodized aluminum is the standard material for the meter body and 316 Stainless Steel is available for use where external cor

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FS series - 2

Principles of Operation DIFFERENTIAL PRESSURE TEMPERATURE SENSOR ABSOLUTE PRESSURE DOWNSTREAM PRESSURE INPUT FLOW OUTPUT FLOW Laminar Flow Elements PRINCIPLES OF OPERATION: Flow of gas through a Laminar Flow Element generates a differential pressure between the absolute and downstream pressure sensors. This differential pressure is proportional to the flow velocity and viscosity of the gas. Mass flow rate is determined by utilizing the temperature and absolute pressure sensor to compensate for density variations of the gas. General Specifications Flow Ranges High Pressure Drop (2.6 psi)1...

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FS series - 3

Installation Dimensions of FS Series OPTIONAL MOUNTING BRACKETS MODEL 100 SLPM 250 SLPM 500 SLPM 1000 SLPM Cable shown sold separately BROWN WHITE Alarm Common Chassis Ground GREEN WHITE BROWN 2 Signal Output LOAD 0VDC (4-20mA Loop Return) +24 VDC Chassis Ground BLACK BLUE Pin configuration: • 1: +24VDC • 2: 0VDC (4-20 mA loop return) • 3: Signal Output • 4: Tare • 5: Alarm 1 + • 6: Alarm Common • 7: Alarm 2 + • 8: Chassis Ground Pin configuration: • 1: +24VDC • 2: 0VDC (4-20 mA loop return) • 3: Signal Output • 4: Tare • 5: Chassi

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FS series - 4

How To Order Flowstream for a Single Gas Select the appropriate symbols to build a model code: Example: SERIES = FS Material for meter body Anodized Aluminum = E 316 Stainless Steel = I THREAD Type for Threaded Port N = NPT T = SAE B = BSPT Seals P = BSPP ® F Viton = Buna N = B Pipe size in Inches NPT SAE, BSPT, BSPP 1/8 = 1 2 1/4 = FLOW Range IN SLPM FLOW Range IN SCFH Gas Type Air Argon* Carbon Dioxide Helium Nitrogen Oxygen Hydrogen Methane ACCESSORIEs Mounting Brackets Accessory Cables Available for Pin Connector Meters Series Part Number Output Digital Visual Display with Output X2A =...

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