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Alnor AVM440 Velometer Thermal Anemometer

The Alnor AVM440 Velometer Thermal Anemometer is a compact anemometer that measures velocity, temperature, humidity, and calculates flow, wet bulb, and dew point. Perfect for HVAC, plant maintenance, and environmental certifications.

CALIBRATE/REPAIR MY ALNOR AVM440

The Alnor AVM440 Velometer Thermal Anemometer is a versatile, high-accuracy instrument designed for measuring air velocity, temperature, and relative humidity. It calculates flow, wet bulb, and dew point temperature, all in a compact, easy-to-use device with a straight telescopic probe. Ideal for HVAC system performance, commissioning, plant maintenance, critical environment certification, and duct traverses, the AVM440 delivers reliable data logging and simultaneous display of multiple measurements.

Key Features:

  • High accuracy over a wide velocity range: 0–6000 ft/min (0–30 m/s)
  • Simultaneous measurement of temperature, velocity, and humidity
  • Calculates volumetric flow and actual/standard velocity
  • Includes data logging and LogDat2™ downloading software
  • Displays up to three measurements at once
  • Straight probe included; articulated probe version available (AVM440-A)
  • NIST calibration certificate included
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Specifications

Measurements Air velocity, temperature, relative humidity, volumetric flow, wet bulb, dew point
Velocity Range 0–30 m/s (0–6,000 ft/min)
Velocity Accuracy ±3% of reading or ±0.015 m/s (±3 ft/min), whichever is greater
Temperature Range -10 to 60°C (14 to 140°F), accuracy ±0.3°C
Relative Humidity 5–95% RH, accuracy ±3% RH
Wet Bulb / Dew Point Wet bulb 5–60°C; dew point -15 to 49°C (calculated)
Data Logging 12,700+ samples and 100 test IDs; auto-save; LogDat2™ software included
Display Up to three simultaneous measurements
Probe Telescopic straight probe (articulated version AVM440-A available)
Power Four AA batteries or optional AC adapter
Included Hard carrying case, batteries, NIST-traceable calibration certificate

Applications

The Alnor AVM440 Velometer Thermal Anemometer is a multi-function instrument for HVAC and critical environment work:

  • HVAC system performance verification and commissioning
  • Duct traverses with simultaneous velocity, temperature, and humidity readings
  • Critical environment and cleanroom certification
  • Indoor air quality (IAQ) investigations
  • Testing and balancing (TAB) of air distribution systems
  • Plant maintenance and process ventilation monitoring
  • Psychrometric surveys using wet bulb and dew point calculations

Documents

Hinco Instruments is your authorised Alnor distributor in Perth, WA. Contact us for pricing, availability, and technical support.

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