Delivery Scope

Testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol, Hot wire probe (Ø 9 mm) with fixed cable (length 1.7 m) including temperature sensor, with telescope (0.85 m) and Basic case

Hot Wire Anemometer - Testo 440 Hot Wire Kit
Model No: Testo 440 Hot Wire Kit Part No: 0563 4400

Testo 440 Hot Wire Anemometer Kit for carrying out measurements in ventilation ducts, the testo 440 air velocity and IAQ measuring instrument and the hot wire probe (Ø 9 mm) including temperature sensor.

  1. Clearly structured measurement menu for volume flow and parallel determination of air velocity, volume flow and air temperature

  2. Automatic absolute pressure compensation guarantees accurate measurement results



Temperature - NTC
Measuring range -20 to +70 °C
Accuracy ±0.5 °C
Resolution 0.1 °C
Velocity - Hot wire
Measuring range 0 to 30 m/s
Accuracy ±(0.03 m/s + 4 % of mv) (0 to 20 m/s) ±(0.5 m/s + 5 % of mv) (20.01 to 30 m/s)
Resolution 0.01 m/s
General technical data
Storage temperature -20 to +70 °C
Operating temperature -20 to +70 °C
Cable length 1.7 m
Length telescope 850 mm
Probe head diameter 9 mm
Diameter telescope 12 mm

Delivery Scope

Testo 425 air velocity meter with thermal flow probe, calibration protocol and battery

Hot Wire Thermal Anemometer - Testo 425
Model No: Testo 425 Part No: 0560 4251

Testo 425 air velocity meter measures the air velocity and Volumetric air flow. Testing of ventilation and air conditioning systems includes flow speed in ventilation ducts.

  1. Measurement of Air flow velocity, Volume flow and Temperature
  2. Point and Timed mean value calculation
  3. Max./min. values, Hold button for freezing measurement value
  4. Display illumination, Auto-off function
  5. Permanently attached extendible telescopic probe

 



Temperature - NTC
Measuring range -20 to +70°C
Accuracy ±0.5°C (0 to +60°C), ±0.7°C (Remaining Range)
Resolution 0.1 °C
Velocity - Thermal Probe
Measuring range 0 to +20 m/s
Accuracy ±(0.03 m/s + 5 % of mv)
Resolution 0.01 m/s
General technical data
Operating temperature -20 to +50 °C
Storage temperature -40 to +70 °C
Battery type 9V block batter

Delivery Scope

Testo 405 thermal anemometer, including duct bracket and batteries

Pocket Size Thermal Anemometer - Testo 405
Model No: Testo 405 Part No: 0560 4053

Testo 405 Pocket Size thermal anemometer to measure air velocity, volumetric flow and air temperature. Measurements in ventilation ducts and measuring air velocity in rooms

  1. Measurement of air velocity, volumetric flow and air temperature

  2. For measurements in ventilation ducts and in rooms

  3. Telescope extendible to 300 mm



Temperature - NTC
Measuring range -20 to +50 °C
Accuracy ±0.5 °C
Resolution 0.1 °C
Velocity -Thermal Probe
Measuring range 0 to 5 m/s (-20 to 0 °C), 0 to 10 m/s (0 to +50 °C), 0 to 99990 m³/h
Accuracy ±(0.1 m/s + 5 % of mv) (0 to 2 m/s), ±(0.3 m/s + 5 % of mv) (Remaining Range)
Resolution 0.01 m/s
General technical data
Operating temperature 0 to +50 °C
Storage temperature -20 to +70 °C
Battery type 3 AAA micro batteries
Length probe shaft 300 mm
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