EXTECH 45118: Mini Thermo-Anemometer

EXTECH 45118: Mini Thermo-Anemometer

Extech 45118: Mini Thermo-Anemometer

The Extech 45118 is a compact, waterproof pocket-sized Thermo-Anemometer designed for quick and accurate measurements of air velocity, temperature, and wind-chill. Built for convenience in both indoor and outdoor environments, this instrument features a folding protective housing that extends for better reach, and is tripod mountable for hands-free operation.

Its easy-to-read segment LCD display shows air velocity and temperature or wind-chill simultaneously. The unit includes selectable averaging intervals and practical functions such as Data Hold and Auto Power Off, making it ideal for HVAC, weather observation, and field applications.

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Key Features EXTECH 45118: Mini Thermo-Anemometer

• Measures Air Velocity, Temperature, and Wind-Chill

• Simultaneous display of Air Velocity and Temperature/Wind-chill on an easy-to-read LCD

• Selectable averaging intervals: 5, 10, or 13 seconds

• Waterproof, durable, and pocket-sized design for use in harsh environments

• Foldable protective housing extends up to 9 inches (229 mm) for better access

• Tripod mountable for stationary measurements

• Data Hold function to freeze the current reading

• Auto Power Off conserves battery life when not in use

• Supplied with 43-inch lanyard and CR2032 battery

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Specifications

• Air Velocity:

  • ft/min: 216 to 3936 ft/min; Accuracy: ±(3% of reading + 40 ft/min); Resolution: 20 ft/min

  • km/h: 4.0 to 72.0 km/h; Accuracy: ±(3% + 1.4 km/h); Resolution: 0.7 km/h

  • knots: 2.1 to 38.9 knots; Accuracy: ±(3% + 0.6 knots); Resolution: 0.3 knots

  • m/s: 1.1 to 20 m/s; Accuracy: ±(3% + 0.2 m/s); Resolution: 0.1 m/s

  • mph: 2.5 to 44.7 mph; Accuracy: ±(3% + 0.4 mph); Resolution: 0.2 mph

  • Beaufort Scale: 1 to 8 BF; Accuracy: ±1 BF; Resolution: 1 BF

• Temperature (Air):

  • Range: 0 to 122°F (-18 to 50°C)

  • Accuracy: ±1.8°F / ±1°C

  • Resolution: 0.1°

• Display:

  • Segment LCD (simultaneous readings)

• Vane Diameter:

  • 1 inch (24 mm)

• Power Supply:

  • One CR2032 (3V) battery

• Physical Dimensions:

  • 5.25 × 2.75 × 0.75 inches (133 × 70 × 19 mm)

• Weight:

  • 3 oz (95 g)

• Certifications:

  • CE certified

• Warranty:

  • 2 years

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Summary

The Extech 45118 Mini Thermo-Anemometer is a lightweight and waterproof handheld tool designed for reliable airflow and temperature measurements in the field. With features like foldable housing, wind-chill calculation, selectable averaging, and tripod mountability, it offers versatility and portability in a compact form—making it ideal for technicians, outdoor enthusiasts, and weather monitoring professionals.