454FTB

454FTB Single-Point Insertion Flow Meter

The Kurz Series 454FTB is the premier single-point insertionthermal mass flow meter for industrial gas flow measurements. The454FTB supports process temperatures from -40° C to 260° Cand from -40°C to 500° C, process pressure ratings up to300 PSIG, and a velocity range from 0 to 24,000 SFPM. 

 

SPECIFICATIONS

    0 to 70,000 SFPM (325 NMPS)

    ± (1% of reading +20 SFPM)

    1 second for velocity changes at

    6,000 SFPM (constant temperature)

    8 seconds for temperature changes at 6,000 SFPM (constant velocity)

    ± (0.5% of reading +1ºC) for velocities above 100 SFPM

    Integral display

    ‐13ºF to 149ºF (‐25ºC to 65ºC)

    Remote aluminum enclosure

    ‐40ºF to 149ºF (‐40ºC to 65ºC)

    Remote polycarbonate enclosure

    ‐13ºF to 122ºF (‐25ºC to 50ºC)

    • Velocity range
    • Flow accuracy (SCFM at laboratory conditions)
    • 0.25% reading repeatability
    • Velocity time constant
    • Process temperature time constant
    • Temperature accuracy
    • Electronics operating temperature

     

     

    PROCESS CONDITIONS

      Up to 300 PSIG (20 BARg)

      • Process pressure rating
      • Process temperature rating
      • ‐40ºF to 500ºF (‐40ºC to 260ºC) HT or ‐40ºF to 932ºF (‐40ºC to 500ºC) HHT

       

      TRANSMITTER FEATURES

       

      12‐it resolution and accuracy

      Maximum loop resistance is 300Ωat 18 VDC, 550Ωat 24 VDC,1400Ωat 36 VDC

      AC (85‐64 V 50/60 Hz, 24 watts max.)

      or DC (24 V ±10%), 1 A max.

      Backlit display / keypad

      2‐ines of 16‐haracters each

      oC, oF, KGH, KGM, NCMH, NLPM, NMPS, PPD, PPH, PPM, SCFH, SCFM, SCMH, SFPM, SLPM, SMPS

      USB, RS‐85 Modbus (ASCII or RTU), or HART

      • Aluminum (Type 4, IP66) dual chamber polyester powder‐coated enclosure
      • Optically‐isolated loop powered 4‐20mA output (±48 VDC isolation)
      • Input power
      • Integral or remote user interface
      • Easy‐to‐use interface
      • User‐configurable flow display (scrolling or static)
      • User‐configurable English or metric units for mass flow rate, mass velocity, and process temperature
      • Velocity‐dependent correction factors for flow rate
      • User-programmable dual gas mix interpolation
      • Built‐in zero‐mid‐span drift check
      • Built‐in flow totalizers and elapsed time
      • User‐configurable digital filtering from 0 to 600 seconds
      • Configuration/data access

      200 recent events, top 20 min/max, and 56 hours (10 second samples of trends)

      • Meter Memory
      • 3‐year warranty

       

       

       

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