Systems Overview
DC Battery Powered
Hach AV9000 Flow Analyzer Module
Sensor Technology: Submerged Pressure AV Flow Sensor
- Advanced Diagnostic Tools and Settings for Difficult Sites
- Increased Accuracy with Speed of Sound Compensation
- On-site sensor operation verification prior to leaving the site
- Less Maintenance and Troubleshooting
- Area Velocity Data on the Web
MARSH-McBIRNEY FLO-DAR / FL900 SYSTEM
(Cellular Wireless & Standard Models)
Intrinsically Safe Models Available
Sensor Technology: Non-Contact Radar Area/Velocity
- FL900 Flow Loggers reduce site time and increase crew safety
- Access your flow data from the internet 24/7 with FL900 Wireless Flow Loggers
- Non-Contact Sensor Eliminates Lost Data
- Accurate Flow Measurement From Above the Flow Stream
- Perfect Solution for Difficult Flow Conditions
- Optional Surcharge Velocity Sensor
MARSH-McBIRNEY FLO-TOTE 3 / FL900 SYSTEM
(Cellular Wireless and Standard Models)
Sensor Technology: Electromagnetic Submerged Area/Velocity
- FL900 Flow Loggers reduce site time and increase crew safety
- Access your flow data from the internet 24/7 with FL900 Wireless Flow Loggers
- Economical, compact solution for flow monitoring
- Field replaceable/interchangeable sensor
- Increased Data Storage
- Long Battery Life
MARSH-McBIRNEY FLO-MATE VELOCITY METER SYSTEM
Sensor Technology: Electromagnetic
- Direct replacement for USGS type mechanical meters
- Instantaneous readout of flow velocity
- Data Storage/Recall automates data collection
- Lightweight, battery powered, rugged field design
SIGMA MODEL 911 INTRINSICIALLY SAFE SYSTEM
Sensor Technology: Doppler Submerged Area/Velocity
- Automatically corrects for temperature effects
- Advanced Doppler technology avoids signal dropouts
- Low profile, non-fouling probe reduces maintenance
- Easy installation, no profiling required
SIGMA MODEL 920 SYSTEM
Sensor Technologies: Doppler Submerged Area/Velocity, Ultrasonic Down looking, In-Pipe Ultrasonic, Wafer Velocity Flow
- Automatically corrects for temperature effects
- Multiple sensor options for redundancy, averaging, and multiple pipe monitoring.
- Optional rainfall logging feature records and characterizes rain events.
- Quick installation with no velocity calibration required.
SIGMA MODEL 930 / 930T SYSTEM (REMOTE COMMUNICATIONS)
Sensor Technologies: Doppler Submerged Area/Velocity, Ultrasonic Down looking, In-Pipe Ultrasonic, Wafer Velocity Flow
- Automatically corrects for temperature effects
- Uses patented “drawdown correction” to correct the effects of velocity on accurate depth measurement
- Advanced Doppler technology avoids signal dropouts and ensures accuracy in low-flow, full-pipe, or reversed-flow conditions
- Remote Communication Option
SIGMA MODEL 940 INTRINSICIALLY SAFE SYSTEM
Sensor Technologies: Doppler Submerged Area/Velocity, Ultrasonic Down looking, In-Pipe Ultrasonic
- Automatically corrects for temperature effects
- Advanced Doppler technology avoids signal dropouts
- Multiple communications options
- Sampler pacing capabilities, to document the extent of overflow problems
