For users desiring in-depth analysis and custom settings, the diagnostic tools and the advanced architecture in the Hach FL900AV Flow Meter with AV9000 Analyzer Module make it possible to acquire useful flow data in even the most difficult sites. This powerful meter provides “cleaner,” more precise data than ever before with advanced signal processing and filtering options, expanding the applicability of submerged AV sensors into more difficult applications.

Power Source: Two (2) or Four (4) lantern batteries with up to 306 days* of battery life
Data Transmission: USB or RS232 (MODBUS RTU) (Wireless data transmission available – See details in Options below)
Compatible Software: FSData Desktop Instrument Manager

Additional Features:

  • On-site verification of flow meter performance using advanced diagnostics
  • Step-by-step calibration guides for easy and precise set ups
  • Advanced signal processing and filtering options reduce noise in difficult applications
  • Dynamic logging intervals automatically enables the delivery of greater resolution flow data during high flow periods and battery/data volume conservation during low-flow seasons

* Dependent upon number of batteries, sensor(s) type usage, and logging and call-in frequency

Power Source: External (AC, solar, or long-life battery) power for longer deployments
Data Transmission: Cellular wireless modem with free data hosting for real-time data access
Compatible Software: FSDATA Online Data Manager (requires wireless data transmission)
Additional Options:

  • Auxiliary Port to connect an automatic sampler or an external power supply
  • Versatile mounting options
  • Rain gauge connection

Replaces the Sigma 910, Sigma 920, Sigma 930, and Sigma 930T Loggers, as well as the Marsh-McBirney FLO-LOGGER and FLO-LOGGER XT

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& full-pipe flow calculator for pros in the water & wastewater field.

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P.O. Box 389, Loveland, CO 80539-0389 U.S.A.
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