Flow & Discharge
Measuring water flow and discharge to determine the amount of water flowing through an open channel is critical for predicting water availability and flood events, allocating watering, and more.
OTT Hydromet has been a leader in flow meter technology for over 100 years, from the first mechanical current meters to advanced acoustic Doppler technology used today, and offers a variety of technologies to measure flow and water discharge, from portable in-stream current meters and acoustic profilers, to side looking acoustic Doppler technology or Doppler radar sensor for continuous discharge measurement.
OTT SVR 100
Surface Velocity Radar for Measuring Open Channel Flow
OTT SVR 100 is a simple, non-contact, compact surface water velocity radar sensor. Designed for measuring flow in open channels and rivers where reliable velocity data is required continuously, during floods or periods of high concentrations of suspended sediments.
- Fixed installation
- Identify data influenced by sensor movement (e.g., wind, traffic) using meta data from integrated vibration and tilt sensors
- Non-contact surface velocity radar
- No
- 0.08 ... 15 m/s (0.26 … 49 ft./s)
OTT MF pro - Water Flow Meter
Handheld electromagnetic water flow meter with automatic discharge calculation
The OTT MF Pro is a user-friendly, low maintenance electromagnetic current meter for cost-efficient in-stream discharge measurement.
- Spot
- Electro-magnetic
- Flow velocity and water depth
- Low maintenance magnetic - inductive probe with level measurement for reliable flow measurements. Works well in low flow and turbulent conditions, cross - sections with weed growth and pollution. Applicable in streams and conduits.
- 0 … 6 m/s
- ± 2% of measured value ± 0.015 m/s ( 0 … 3 m/s ) and ± 4% of measured value ± 0.015 m/s ( 3 … 5 m/s )
OTT C2
Small - Mini Current meter for discharge measurements OTT C"
The OTT C2 small current meter for discharge measurements for shallow waters in small rivers, channels, laboratories and river models.
- Spot
- Mechanical
- Flow velocity
- OTT C2 - the original for wading rod measurements in shallow streams, applicable from 4 cm water depth.
- 0.025 ... 5 m/s
- ± 2%
OTT C31
OTT C31 Universal Current Meter for discharge measurements
OTT C31 Universal current meter for flow velocity measurement in rivers and open waterways. Rod-mounted or as cable-suspended current meter from a bridge, boat or on cable ways.
- Spot
- Mechanical
- Flow velocity
- C31 - the original. Taditional hydrometric current meter with proved quality for use with wading rods, from bridges and at cable-way installations
- 0.025 ... 10 m/s
- ± 2%
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