General Laboratory Equipment

THERMO-ANEMOMETER

Thermo anemometers, also known as hot-wire anemometers, are used to measure air velocity and temperature.They are particularly useful for measuring airflow in enclosed spaces like ventilation ducts and air conditioning systems. The basic principle involves heating a sensor and measuring the cooling rate, which is directly related to the air velocity. 

Here’s a more detailed overview:

How they work:
  • Heating Element:
    A small, electrically heated element (like a fine wire) is placed in the airflow. 

  • Cooling Rate:
    The element’s temperature changes as the air flows over it, affecting its resistance. 

  • Measurement:
    The change in resistance or temperature is used to calculate the air velocity. 

Common uses:
  • HVAC Systems: Monitoring airflow in ventilation ducts and air conditioning systems.
  • Industrial Applications: Measuring airflow in various industrial settings.
  • Weather Stations: Measuring outdoor wind speed.
  • Internal Combustion Engines: Measuring airflow into engines, known as MAF (Mass Air Flow) sensors. 
Advantages:
  • Compact and Portable: Many models are small and easy to use in various locations. 
  • Fast Response: They can respond quickly to changes in air velocity. 
  • Versatile: Can be used to measure a range of velocities, from low to high. 

Hot Wire Thermo-Anemometer MT945

Features :

  • Thermal anemometer, for low air velocity measurement
  • Combination of hot wire and standard thermistor deliver rapid, precise measurements
  • Slim probe ideal for grilles and diffusers
  • Temperature 0°C to 50°C
  • Max / Min
  • Recall / Data Hold
  • Thermistor sensor for temperature measurement – fast response
  • Displays air velocity and temperature simultaneously
  • Air flow measure in mph, ft/min, MPH, km/h,m/s or knots
  • Microprocessor circuit for maximum accuracy
  • Large LCD with back light
  • Provides fast and accurate readings

 

Thermo Anemometer MT948

Features :

  • Simultaneously displays air flow/air velocity plus ambient temperature
  • CMM air flow from 0.001 to 999900m³/min (area)
  • CFM air flow from 0.001 to 999900ft³/min (area)
  • Temperature -10°C to 60°C
  • Resolution 0.01m/s
  • 20 Points average for air flow
  • 16 Memory locations for commonly used area size
  • Wind speed measure in mph, ft/min, km/h, m/s or knots
  • Max / Min
  • Data Logging