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Small but fine: Two precision ball bearings ensure that the impeller axis and impeller blade detect flow rates from as little as 0.025 m/s. Thus, the M1 is particularly suitable for measurements in small watercourses with low water levels and low flow rates.
Variable: A selection of impeller blades of different diameters (30 mm/50 mm) and blade inclines (50/100/250/500 mm) is available to always achieve the optimum results for different flow conditions. For higher flow rates, the M1 mini current meter with a special terminal can also be adapted and operated on a Ø 20 mm rod.
Low maintenance: The M1 is undemanding, and even during intensive use, it engenders hardly any operating and maintenance costs. For the highest accuracy requirements, we recommend regular calibration of the impeller blades in the measurement channel.
Last but not least: For display and analysis of the impeller pulse, the user is spoiled for choice with either the robust SEBA Counting device Z6 or with the field-proven tablet PC HDA-Pro. The latter provides the possibility to evaluate the impeller pulses directly with operating Software Q 3.1 and the “impeller” module.
Mobile flow measurement in small watercourses (streams, channels) and partially filled pipes with low water level and low flow rates
Impeller: Ø 30/50, Ø 30/100, Ø 50/50, Ø 50/100, Ø 50/250, Ø 50/500
Impeller bars: Ø 9 mm, 1.5 m in length, 3-piece, adjusting device for the rod Ø 9 mm, Ø 20 mm, 3 m length, 3-piece, special clamp for the Ø 20 mm rod, adjusting device for the wing rod of Ø 20 mm Flow direction float for M1 impeller
Impeller cable: 4 m (standard), 10 m or as specified (option)
Scope of delivery:
Blade Parameters: Flow velocity [m/s]
Measuring range: 0.025 – 5 m/s (dependent on the impeller blade)
Blade diameter: 30 mm, 50 mm
Material: Corrosion-resistant stainless steel
Material: Stainless steel
Scaling: dm (standard), cm (optional)