Digital Thermoanemometer – FVAD 35 TH

CAD $1,044.00CAD $1,269.00

Air Flow Sensor

  • Digital thermoanemometer FVAD 35 THx with ALMEMO® D6 plug with integrated atmospheric pressure sensor, for automatic pressure compensation
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Digital Thermoanemometer – FVAD 35 TH

Technical Features

Digital Thermoanemometer – FVAD 35 TH

  • Automatic atmospheric pressure compensation is provided for pressure-dependent flow velocity by means of a digital atmospheric pressure sensor integrated in the ALMEMO® D6 plug itself.
  • Digital thermoanemometer with A/D converter in the grip or integrated in the cable
  • The probe tube has a small diameter, only 6 mm.
  • All relevant measurable variables can be measured using just one sensor.
  • Three measuring channels are programmed (at our factory): Temperature (°C, t), Flow velocity (m/s, v), Atmospheric pressure (mbar, AP, p)

Technical data

Digital thermoanemometer (Sensor including A/D converter)

Flow

Measuring range

  • FVAD 35 TH4 / TH4Kx 0.08 to 2 m/s
  • FVAD 35 TH5 / TH5Kx 0.2 to 20 m/s

Resolution

  • FVAD 35 TH4 / TH4Kx 0.001 m/s
  • FVAD 35 TH5 / TH5Kx 0.01 m/s
  • Response time <1.5 seconds

Accuracy

  • FVAD 35 TH4 / TH4Kx ± (0.04 m/s +1% of meas. val.)
  • FVAD 35 TH5 / TH5Kx ± (0.2 m/s +2% of meas. val.)
  • Nominal conditions 22 °C ±2 K, 45 % RH ±10 % RH 1013 mbar
  • Temperature compensation 0 to +50 °C

Influence of temperature

  • FVAD 35 TH4 / TH4Kx ±0.5 % of measured value /°C at 0.3 to 2 m/s
  • FVAD 35 TH5 / TH5Kx ±0.3% of measured value /°C at 0.3 to 20 m/s
  • Incidental flow bidirectional
  • Angle dependence <3% of measured value with deviation <15°
  • Pressure range Ambient pressure
  • Pressure compensation automatic in range 700 to 1100mbar

Temperature

  • Measuring range -20 to +70 °C
  • Resolution 0.1 °C Accuracy ±0.7 °C at 0 to 50 °C and >0.5 m/s
  • Response time T90 typical 10 seconds

Digital atmospheric pressure sensor (integrated in ALMEMO® D6 plug)

  • Measuring range 700 to 1100 mbar
  • Accuracy ±2.5 mbar (at 23 °C ±5 K)

ALMEMO® D6 plug

  • Refresh rate 0.5 seconds for all 3 channels
  • Supply voltage 6 to 13 VDC Current consumption 40 mA

Dimensions

  • Probe diameter 6 mm
  • Flow aperture approx. 10 x 3 mm
FVAD 35 TH4 / TH5
  • Probe with grip, probe lengths 210 mm (plus grip) ALMEMO® cable 1.5 meters
FVAD 35 TH4Kx / TH5Kx
  • Probe with detached electronics unit integrated in the cable,
  • Probe lengths THxK1, 80 mm / THxK2, 300 mm
  • Probe cable 5 meters to the electronics
  • ALMEMO® cable 1.5 m

 

Flow Velocity

2 m/s, 20 m/s

Sensor Length

210 mm, (with grip), 300 mm, (detached electronics unit), 80 mm, (detached electronics unit)

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