The VEGAFLEX 81 is a level sensor designed to measure various types of liquids in challenging environments, ensuring accuracy even in conditions involving vapour, foam, or condensation. This sensor is recognized for its maintenance-free operation, making it cost-effective for various level and interface measurements.

Key features include:

• Guided adjustment for easy setup and reliable calibration, saving time during installation.
• Comprehensive diagnostic options that facilitate maintenance and ensure high plant availability.
• Shortenable probes, providing flexibility in planning and enabling standardization across different installations.

Operating Principle: High-frequency microwave pulses are transmitted along a probe (cable or rod). These pulses reflect off the product surface, and the time taken to return indicates the liquid level in the vessel.

Construction Materials:

• Wetted parts are made of stainless steel.
• The instrument seal is available in FKM, FFKM, or EPDM materials.

Housing Versions: Available in both single and double chamber versions, made from plastic, stainless steel, or aluminium. The housing has protection ratings of up to IP 68 (1 bar).

Electronics Versions:

• Two-wire electronics with 4-20 mA/HART.
• A four-wire version.
• Two digital versions with Profibus PA and Foundation Fieldbus.

Approvals: The VEGAFLEX 81 is approved for use in hazardous areas and complies with ATEX and IEC standards. It also holds ship approvals, such as GL, LRS, and ABS, making it suitable for marine applications.