Guided Wave Radar Level Transmitters

  1. Level Measurement Products
  2. Guided Wave Radar Level Transmitters
LWT310、LWT320

LWT310、LWT320

Guided wave radar
LWT300 series ( LWT310、LWT320 )
LWT310.jpg
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LWT320.png
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  • LWT310.jpg
  • LWT320.png
DETAIL

Unlike traditional guided-wave radars that use device parameters requiring multiple adjustments, the LWT300 series of instruments does it for you.

The instrument uses LevelExpert™, a built-in intelligence to differentiate between the actual level and other false signals.

Overview 

LevelExpert concentrates 20 years of industrial level measurement experience into an intelligent instrument made to accurately detect levels, even in the most demanding conditions.

Forget about baseline mapping and echo selection; LevelExpert knows how to find the right level through the clutter. The expert is now inside your guided-wave radar.

LWT300 series instruments cover a wide range of applications. They can meet your needs for applications up to 200 °C (392 °F) and 200 bars (2900 psi).


 
Data
Measurement

  • Accuracy
    2 mm (5/64 in) or 0.03 %

    Resolution
    1 mm (3/64 in)

    Temperature drift (digital)
    0.001 %/°C

    Range
    60 m (197 ft)

    Update rate
    5 Hz

    Temperatures
    Ambient operating
    –40 to 80 °C(-104 to 176 F)

    Process
    –50 to 204 °C (-122 to 400 F)

    Storage
    –40 to 85 °C (-104 to 185 F)

    Process seal type vs temperature rating
    • Viton (–26 to 204 °C [–15 to 400 °F])
    • Kalrez (–20 to 204 °C [–4 to 400°F])
    • EPDM (–55 to 120 °C [–67 to 248 °F])
    • Markez (–10 to 204 °C [14 to 400 °F])

    Process pressure
    207 bar at 38 °C/3000 psi at 100 °F
    83 bar at 204 °C/1200 psi at 400 °F

    Dielectric constant
    1.4 (minimum)

    Process viscosity
    • Coaxial probe: 500 cp
    • Single probe: 10,000 cp

    Power supply
    15.5 to 42 V DC

    Power consumption
    • 56 mW (@ 15.5 V, 3.6 mA)
    • 325 mW (@ 15.5 V, 21 mA)

    Line resistance
    1740 Ω (maximum @ 36 V, 21 mA)

    Enclosure material
    Powder coated aluminum or 316 L stainless steel

    Protection class
    IP68/NEMA 6P

    Process connections
    Threaded
    3/4 in. (LWT310) or 1 1/2 in. (LWT320)

    Flanged
    ASME flanges from 1-1/2 in. to 8 in., class 150 to 900
    DN flanges from DN 20 to DN 200, PN25 to PN160

    Display
    Integrated 128 × 64 pixels liquid crystal display (LCD) with through-the-glass (TTG) interface

    Wetted materials
    • Duplex 2205 stainless steel
    • Super duplex 2507 stainless steel
    • C-276 alloy
    • 304L stainless steel
    • 316L stainless steel

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