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OTT HydroMet - Model MF Pro -Handheld Electromagnetic Water Flow Meter
The OTT MF Pro is a user-friendly, low maintenance electromagnetic current meter for cost-efficient in-stream discharge measurement. The OTT MF pro saves time in the field by automatically calculating discharge and its electromagnetic sensor head is maintenance-free, ideal for use in low-flow environments, and unaffected by large amounts of organic matter.
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- Usage Type: Spot
- Measurement technology: Electro-magnetic
- Parameters measured: Flow velocity and water depth
- Product Highlights: 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. Provides colored graphi
- Measurement range: 0 … 6 m/s
- Accuracy: ± 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 )
- 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 is 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
- Velocity measurement:
- Measurement method: Magnetic-inductive
- Measuring range: 0 ... 6 m/s
- Accuracy:
- Accuracy at 0 3 m/s: ±2 % of meas. value ±0.015 m/s
- Accuracy at 0 5 m/s: ±4 % of meas. value ±0.015 m/s
- Zero stability: ±0.015 m/s
- Resolution:
- 0.001 at measured value: <10
- 0.01 at measured value: <100
- 0.1 at measured value: >100
- Depth measurement (option):
- Absolute pressure sensor: with single point calibration
- Measuring range: 0 ... 3.05 m
- Accuracy: The larger of ±2% of measured value or ±0.015 m
- Methods for velocity measurement:
- Streams: 1, 2, 3, 5, and 6 point measurement (ISO / USGS standards)
- Conduits (canalization): 0.9 x Vmax; 0.2/0.4/0.8; 2D
- velocity integrating method
- Conduit profiles: Circular, rectangular, trapezoidal, 2/3 egg, inverted 2/3 egg
- Methods for discharge calculation:
- EN ISO 748: Mid and Mean section method
- Power supply: Lithium-ion battery
- Lifetime: 18 hours typ. (20°C)
- Data memory capacity: Up to 10 measuring locations (of 32 vertical profiles each)
- Temperature: -20 ... +60°C (operation/storage)
- Handheld unit display:
- Graphic colour display, transflective: LCD 3.5`, QVGA
- Handheld unit interface: USB Mini B type, 5-pin
- Export format: TSV (Tab Separated Value) file format
- Operating modes: Real-time velocity measurement, Discharge profile (stream/conduit)
- Noise suppression: 50 Hz, 60 Hz (adjustable)
- Cable lengths: 2 m, 6 m,12 m, and 30 m
- Material:
- Sensor housing: ABS, glass-fiber reinforced
- Handheld unit: Polycarbonate, moulded,by shock-absorbing elastomer (TPE)
- Dimensions and weight:
- Sensor body:
- L x W x H: 11.9 cm x 4.3 cm x 6.3 cm
- Weight: 0.5 kg ( with 6 m cable)
- Handheld unit:
- L x W x H: 21.8 cm x 9.3 cm x 5.3 cm
- Weight: 0.68 kg
- IP class of protection:
- Sensor: IP68
- Handheld unit: IP67 (USB cap attached)