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Schiltknecht Messtechnik – MiniAir 20 – Strømningsmåler, håndholdt

Modell: MiniAir 20
Produsent: Schiltknecht Messtechnik

Schiltknecht Messtechnik - MiniAir 20 - Strømningsmåler, håndholdt 3

Bjørn Cato Solli

Luft og miljø
22 09 40 54

MiniAir®20

Air-flow Measuring Instrument with New MC20 Display and Control Unit

Hand-held Measuring Instrument for Air-flow, Humidity and Temperature

The MiniAir®20 is a:

  • Vane anemometer
  • Hygrometer
  • Thermometer

and serves to measure flow velocity of gaseous and liquid media, relative humidity and temperature. It features high precision and robustness and is especially suitable for mobile and laboratory applications.

  • All MiniAir20 vane measuring sensors can be connected
  • Automatic sensor detection
  • Very simple operation, handy keyboard
  • Easy to repair on site thanks to the snap-on head principle
  • Momentary value measurement
  • All three channels can be displayed simultaneously
  • Accuracy: 1.0 % f.e. 1.5% f.m. (for MiniAir20 Mini)
  • Interval measurement
  • Average, minimum and maximum values can be displayed simultaneously
  • Volume measurement (flow measurement)
  • Storage on microSD card
  • IR interface for on-site report printer
  • Battery operation, mains operation possible

You can choose among the following Air-flow sensors:

  • Micro (Ø 11 x 15 mm)
  • Mini (Ø 22 x 28 mm)
  • Macro (Ø 85 x 80 mm)

The starter kit for air-flow measurement consists of:

  • MiniAir20 Mini air-flow measurement sensor
  • MC20 evaluation unit
  • Carrying case
  • Power supply unit and connecting cable
  • Carrying case

You can add to the contents of the case when required:

  • other MiniAir20 Micro and Macro air-flow measurement sensors
  • HygroAir20 humidity measurement sensor
  • Mobile printer
  • Telescopic bars
  • Handle for HygroAir20 with extension rod
  • Spare snap-on heads

MiniAir®20 with MiniController MC20

The frequency of rotation is almost proportional to the air-flow velocity and largely independent of pressure, temperature, density and humidity.

The MiniController MC20 converts the rotational frequency into a standard signal and shows the measured value in the display.

All measured values can also be saved simultaneously and printed out on site.

 

MiniController MC20

Measuring sensors

Plastic sensor: for non-aggressive gases
Steel sensor: for aggressive gases
Humidity and temperature sensor

Measuring units

Air-flow: m/s, km/h
Volume flow: m3/h, l/s, m3/s
Humidity: % r.h.
Temperature: °C, °F

Display

TFT dot matrix display

Measuring rate

2 measurements/s

Feed

Lithium-Ion battery

Operating time per battery charge

approx. 15 hours

Housing dimensions (hxwxd)

144x68x38 mm

Housing protection class

IP 40

Weight

approx. 218 g

Operating temperature

0 to 50°C

Humidity

0 to 90% r.h., non condensing

Calibration standard for air sensor

Laser Doppler Anemometer (LDA)

 

Plastic air sensor for non aggressive gases

MiniAir20 Micro MiniAir20 Mini MiniAir20 Macro
Air-flow measuring range 0.6 – 20 m/s
0.7 – 40 m/s
0.4 – 20 m/s
0.5 – 40 m/s
0.2 – 20 m/s
0.3 – 40 m/s
Measuring accuracy of the air-flow velocity ± 1.0% v.E. ± 3.0% v.M. ± 1.0% v.E. ± 1.5% v.M. ± 1.0% v.E. ± 1.5% v.M.
Media temperature -30 to 140°C -30 to 140°C -30 to 140°C
Head size Ø 11 x 15 mm Ø 22 x 28 mm Ø 85 x 80 mm
Sensor length 165 mm 175 mm 235 mm
Cable length 1.8 m 1.8 m 1.8 m

 

Stainless steel air sensor for aggressive gases

MiniAir20 Mini, steel, up to 140°C MiniAir20 Mini, steel, up to 250°C MiniAir20 Micro, steel, up to 250°C
Air-flow measuring range 0.7 – 20 m/s
0.8 – 40 m/s
0.7 – 20 m/s
0.8 – 40 m/s
1.0 – 20 m/s
1.3 – 40 m/s
Measuring accuracy of the air-flow velocity ± 1.0% v.E. ± 2.0% v.M. ± 1.0% v.E. ± 2.0% v.M. ± 1.5% v.E. ± 3.5% v.M.
Media temperature -30 to 140°C -30 to 250°C -30 to 250°C
Head size Ø 22 x 28 mm Ø 22 x 28 mm Ø 11 x 15 mm
Sensor length 182 mm 182 mm 175 mm
Cable length 1.8 m 2.4 m (resistant up to 250°C) up to transmitter in housing, 1.5 m from housing 2.4 m (resistant up to 250°C) up to transmitter in housing, 1.5 m from housing

 

Humidity and temperature sensor

Can either be plugged directly into the MiniController MC20 or used with a special handle with extension lead.

HygroAir20
Measuring range 0 … 99.9% r.h.
Accuracy 1.8% r.h. at 10 – 90ww% r.h.
Reproducibility 0.1% r.h.
Temperature measuring range -20 … 70°C
Accuracy 0.3°C at 0 – 40°C
Reproducibility 0.1°C
Media temperature -40 … 123,8°C
Shaft ø 15 mm
Cable length 1.8 m
Selger Bjørn Cato Solli

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