導波雷達液位計

LWT300 series

LWT300 series

Guided wave radar
LWT310 for liquids / LWT320 for solids
  • LWT300.jpg
  • LWT310.jpg
詳細介紹

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


LWT300 series 原廠資訊連結