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These meters measure flow via pressure drop across a laminar flow element (LFE). Because the flow element makes the flow stream laminar, placement in the process does not require straight pipe runs upstream or downstream of the meter, greatly simplifying installation. As compared to thermal mass technologies, the LFE design provides an ultrafast response within 10 milliseconds and offers “instant on” with no warm-up time.
- Accuracy of ±0.8% of reading ±0.2% full-scale, repeatability of ±0.2%
- Measure 30 standard gases—user selectable from display
- 100 to 1 turndown with ranges of 1 SCCM full-scale up to 1000 SLPM
- Length () 4
- Accuracy±(0.8R 0.2FS)
- Repeatability±0.2%
- Width ()1.625
- Max Pressure (PSI)145
- Height ()5.5
- Min Flow Rate (LPM)5
- Max Flow Rate (LPM)500
- Min Flow Rate (mL/min)5000
- Max Flow Rate (mL/min)500000
- Wetted Materials302 and 303 SS, Viton®, silicone RTV, glass-reinforced nylon, aluminum
- Min Operating Temperature (° F)14
- Min Operating Temperature (° C)-10
- Max Operating Temperature (° F)122
- Max Operating Temperature (° C)50
- Process Connection 3/4 NPT(F)
- Turn-Down Ratio 100:1
- Fluid Type GAS
- Gas Type Acetylene (C2H2), Air, Argon (Ar), i-Butane (i-C4H10), n-Butane (n-C4H10), Carbon Dioxide (CO2), Carbon Monoxide (CO), Deuterium (D2), Ethane (C2H6), Ethylene/Ethene (C2H4), Helium (He), Hydrogen (H2), Krypton (Kr), Methane (CH4), Neon (Ne), Nitrogen (N2), Nitrous Oxide (N2O), Oxygen (O2), Propane (C3H8), Sulfur Hexaflouride (SF6), Xenon (Xe)
- Max Particulate Size (microns) 50
- Response Time (msec) 10
- Power115/230
- Electrical Connections 8-pin circular mini-DIN
- Output (Voltage) Yes
- Output 0 to 5 VDC
- Input Signal 0 to 5 VDC and RS-232
- Display Type 7-line x 4-digit LCD, 0.25H flow display
- Communications RS-232
- Certified Yes
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Each Unit Includes
- 120/230 VAC power adapter with communications cable 32929-89
- NIST-traceable calibration report supplied by the manufacturer
