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It consists of a robust and reliable ultrasound Doppler current profiler, a stable boat to hold the profiler, a Bluetooth transmitter, a watertight handheld (PDA) and the corresponding user software.
The Qliner 2 can be operated easily on cable ways as well as manually, from bridges or from the edge.
Using the classical vertical process the Qliner 2 measures both the vertical velocity distribution at each required vertical and the water depth. All measured data are transferred to the PDA via Bluetooth and processed online. After the measurement is complete, the discharge isavailable immediately. | |
- Elaborate technology
- Reliable and precise ultrasound Doppler profiler
- Intelligent evaluation algorithms
- Discharge calculation according to internationally recognized standards
- (EN ISO 748)
- GPS or bottom tracking data are not required
- No measuremnet problems with a moving bottom
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- Versatility in use
- Ideal for small and medium-sized rivers
- For measurements in case of flooding
- Can even be used in sections with steep side walls
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- Extremely tough and reliable
- No moving parts that could be blocked or jammed during measurement
- Radio unit and electronics are encapsulated and well protected
- Sensorhead embedded in the boat hull
- Watertight PDA, suitable for outdoor use
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- Easy to operate
- Familiar measurement process, therefore easy to learn
- No need to get into the water
- Stable mooring line, fast + secure attachment using quickpins
- Comfortable switching on and off with a membrae keyboard
- Easily identifiable control LEDs
- Removable battery for convenient charging
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Doppler current profiler
| Accoustic frequency |
2 MHz / 1 MHz |
| Cell size |
0,1 m ... 2 m / 0.3 m ... 4 m |
| Water depth range |
0,35 m ... 10 m / 1.20 m ... 20 m |
| Maximum number of cells |
40 |
Water velocity measurement
| Measuring range |
± 10 m/s |
| Resolution |
1 mm/s |
| Accuracy |
± 1% of measured value ± 0.5 cm/s |
Temperature measurement
| Measuring range |
– 4 °C ... 40 °C |
| Resolution |
0.01 °C |
| Accuracy |
± 0.1 °C |
Batteries boat/PDA
| Nominal charge |
4 Ah / 5.2 Ah |
| Voltage |
12 V DC / 3.8 V DC |
| Operating time |
typically ≥ 24 h |
Radio connection
| Frequency |
2.4 GHz |
| Type |
Bluetooth, Class 1 |
| Range |
up to 150 m (depending on environm. conditions) |
Boat
| Material |
glass fiber |
| Size (L x W x H) |
957 mm x 482 mm x 255 mm |
| Weight |
11.1 kg |
PDA
| Type |
Nomad (TimbaTec) |
| Size (L x W x T) |
175 mm* x 100 mm x 50 mm |
| *with antenna |
275 mm |
| Weight |
620 g |
Transport case
| Size (L x W x H) |
1,030 mm x 580 mm x 370 mm |
| Weight |
19.5 kg (empty) 32 kg complete) |
Protection class
| Boat above waterline |
IP 67 |
| PDA |
IP 65 |
System environmental conditions
| Operating temperature |
– 10 °C ... +60 °C |
| Storage temperature |
– 40 °C ... +70 °C |
| Shock and vibration |
DIN ISO 2206 / DIN ISO 2248 |
"Qliner für Pocket PC" software
| Operating system |
Windows Mobile |
| Functions |
deployment planning, online data collection, data retrieval, ASCII conversion, graphical display |
"Qreview“ software for PC
| Operating system |
Microsoft Windows |
| Functions |
data processing, storage, export |
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