Standard Features

  • Rugged, submersible enclosure is permanently sealed to meet IP68 (NEMA 4X, 6P) requirements

  • Easy to upgrade. New operating software can be downloaded into non-volatile "flash" memory via PC connection, without affecting stored program and data, and without removing the 2150EX from the hazardous area.

  • Chemically resistant. The epoxy-encapsulated sensor withstands tough applications.

  • Rollover memory with variable rate data storage, lets you change the data storage interval when programmed conditions occur.

  • Pressure transducer venting system automatically compensates for changes in atmospheric pressure to maintain accuracy

  • Quick connect area velocity​ sensor can be easily removed and interchanged in the field with no recalibration.

  • High-capacity internal desiccant cartridge keeps the vent free of moisture during normal operation

  • Replaceable hydrophobic filter protects against intrusion of water during submersion.

  • Sealed AV sensor resists fouling by oil and grease, eliminating frequent cleanings needed with electromagnetic probes.

  • 38.4k baud communication provides speedy setup and data retrieval.


  • Open channel flow measurement in Hazardous Locations (ATEX Category 1G)
  • Portable and permanent-site AV flow monitoring for inflow and infiltration, sewer overflow, and other sewer studies.
  • Measuring shallow flows in small pipes. The low profile Area Velocity sensor minimizes flow stream obstruction and senses velocity in flows down to 25 mm in depth.
  • Level measurement in explosive or potentially explosive areas, such as manholes, digesters, and storage tanks.

Options and Accessories

  • Network communication cables and isolator cable for RS-232 connection from hazardous area to computer (in safe area) with 9-pin sub-D serial port.
  • Sensor carrier for attaching Low Profile Area Velocity Sensor to ISCO Standard Mounting Rings.
  • 2194EX Network Interface Module - AC-powered interface module in the safe data isolates power data connections
  • 2196EX Battery Module - provides DC power for portable applications​

​For a full list of product specifications, see the datasheet.


When you purchase instruments from Teledyne ISCO, you not only receive innovative, high quality products, you also receive excellent customer service and product support. Your initial purchase is only the beginning of Teledyne ISCO's ongoing commitment to their customers.