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
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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