Magnetrol Echotel® Model 335 Four-Wire Ultrasonic Non-Contact Transmitter

Magnetrol Echotel® Model 335 Four-Wire Ultrasonic Non-Contact Transmitter

Echotel ® Model 335 is a high performance, non-contact ultrasonic transmitter for liquid level, volume, and open channel flow measurement. The extremely powerful and flexible software incorporated in the Echotel 335 results in virtually unsurpassed measurement performance. Advanced digital signal processing enables the 335 to perform in applications involving in-tank obstructions, light foam and agitation.

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Features

Features

  • Custom graphics LCD display module with operational status icons.
  • Advanced digital signal processing assures reliable measurement in difficult applications
  • Dual function bar graph displays echo signal strength or tank level
  • 50 kHz transducer with 26 ft (8 meter) range
  • Narrow, 7-degree beam angle for excellent focus
  • 4–20 mA output and SPDT relay for level control, alarm, diagnostics or remote flow totalization
  • Fixed target suppression to eliminate interference from in-tank obstructions
  • Common tank shapes and 32-point linearization table for volume calculations
  • Extensive support of flume and weir calculations for open channel flow
  • Two totalizers for flow, one resettable, and one non-resettable
  • Temperature compensation over full range of transducer

Applications

  • Sump, well, tank and open channel measurement
  • Water and wastewater treatment facilities
  • General industrial applications
  • Chemical storage tanks
  • Vessels with highly viscous media
  • Paint, ink and solvent tanks
  • Food and beverage vessels
  • Batch and day tanks

Specifications

Transmitter

  • Supply voltage: 85 to 255 VAC (2 VA) for 335-AA1A-G5P
  • Output signal: 4–20 mA isolated, 600 Ω load
  • Fault detection: Configurable 3-amp SPDT relay, and 3.6 or 22 mA (NAMUR NE 43)
  • Relays: One 3-amp SPDT, 250 VAC, and one 1-amp SPDT, 30 VDC
  • Failsafe: Software selectable
  • User Interface:
    • Keypad: 4-button menu-driven data entry
    • Display: Removable 6-digit LCD module with dual-function bar graph
    • LED status indication: Echo strength
  • Ambient temperature: -22 to +160 °F (-30 to +70 °C)
  • Enclosure: Cast aluminum (IP 67)
  • Cable entry: Two – 1/2" NPT and two M20 x 1.5 entries

Transducer

  • Maximum range: 26 feet (8 meters)
  • Dead zone: 14 inches (350 mm)
  • Frequency: 50 kHz
  • Process connection: 2-inch NPT (flanges optionally available)
  • Process temperature: -22 to +195 °F (-30 to +90 °C)
  • Process pressure: Atmospheric to 44 psi (3 bar)
  • Ultrasonic beam angle: 7 degrees conical
  • Temperature compensation: Automatic over the operating temperature range of the transducer
  • Material: Polypropylene (IP 68)

Performance

  • Accuracy: ± 0.2% of the measured distance, plus 0.05% of the range
  • Resolution:
    • 1 mm for up to 6.5 feet (2 meters), 2 mm for 6.5 to 16.4 feet (2 to 5 meters)
    • 5 mm for 16.4 to 26 feet (5 to 8 meters)

Download Datasheet: Magnetrol Echotel® Model 335 Four-Wire Ultrasonic Non-Contact Transmitter

Reference: magnetrol.com

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