Water Velocity Flow Meter | OTT MF pro

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OTT MF pro Flow Meter

Surface Water Flow Meters Description

water current meter, velocity and discharge measurement
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NEW! The OTT MF pro is a user-friendly, low maintenance electromagnetic flow meter for cost-efficient in-stream discharge measurement.

OTT MF pro Features & Benefits

  • Discharge automatically calculated: the OTT MF pro computes discharge automatically based on USGS and ISO methods, saving time and eliminating potential for error caused by written transcription
  • Real-time velocity: velocity is graphed in real-time on the meter's color display, allowing trends to be visualized quickly
  • Maintenance-free: the electromagnetic sensor head has no moving parts and never requires calibration, making it virtually maintenance-free
  • Versatile applications: the sensor's magnetic inductive measurement principle makes the OTT MF pro ideal for use in low-flow conditions and environments heavy in organic matter, unlike mechanical or acoustic meters
  • User-friendly handheld: a lightweight, water-resistant handheld features a full color display that is easily readable even in bright sunlight
  • Depth sensor: optionally included in the unit

Click here to download the OTT MF pro's PVM Utility for updating sensor and meter firmware

 


Product Data:


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Specifications

For a full specification list, please reference the OTT MF pro product sheet

VELOCITY MEASUREMENT 
Measurement methodElectromagnetic
Measuring Range0 ft/s to 20 ft/s
Accuracy (0 to 10 ft/s)

±2% of reading, ±0.05 ft/s

Accuracy (10 to 16 ft/s)±4% of reading
Zero Stability±0.05% ft/s
Resolution

0.0001 value < 10
0.01 at measured value < 100
0.1 at measured value > 100

Velocity MethodsStream profile:
1-,2-,3-,5-, and 6-point measurements (ISO & USGS methods)
Discharge Method

USGS and EN ISO 748
Mid-Section Method
Mean-Section Method

  

DEPTH MEASUREMENT
(optional)

 
MethodDiaphram type: pressure sensor with single-point calibration
Range0 to 10 ft (0 to 3.05m)
AccuracyThe larger of ± 2% of reading or ±0.576 in. (0.015m). Steady state temperature and static non-flowing water.
  
GENERAL 
Power SupplyLithium-ion rechargeable
Battery life: typically 18 hours (20°C)
Data StorageUp to 10 discharge sites and 32 profiles per site
Operating and Storage Temperature-4°F to 140°F (-20°C to 60°C)
File Format.TSV-Data Format (Tab Separated Variable)
Cable Length6.5 ft, 20 ft, 40 ft, and 100 ft
(2 m, 6.1 m, 12.2 m, and 30.5 m)
IP-RatingSensor: IP68
Handheld meter: IP67


 

 

 




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