The Extech 45158 is a waterproof, pocket sized Thermo-Anemometer for air velocity, temperature, and wind chill measurements. Simultaneously display air velocity and temperature or wind chill on the LCD screen. It features selectable averaging functions of 5, 10, or 13 second intervals, as well as data hold and auto power off functions. The fold up, protective housing extends to 229 mm (9 in) for a better reach. The 45158 is tripod mountable and comes with a battery and 109.2 cm (43 in) lanyard.
Specifications
| General | |
|---|---|
| Air Velocity [ft_min] | 216 to 3936 ft/min |
| Air Velocity [ft_min] Basic Accuracy | ±(3% of reading + 40 ft/min) |
| Air Velocity [ft_min] Max Resolution | 20 ft/min |
| Air Velocity [km_h] | 4.0 to 72.0 km/h |
| Air Velocity [km_h] Basic Accuracy | ±(3% of reading + 1.4 km/h) |
| Air Velocity [km_h] Max Resolution | 0.7 km/h |
| Air Velocity [knots] | 2.1 to 38.9 knots |
| Air Velocity [knots] Basic Accuracy | ±(3% of reading + 0.6 knots) |
| Air Velocity [knots] Max Resolution | 0.3 knots |
| Air Velocity [mph] | 2.5 to 44.7 mph |
| Air Velocity [mph] Basic Accuracy | ±(3% of reading + 0.4 mph) |
| Air Velocity [mph] Max Resolution | 0.2 mph |
| Air Velocity [m_s] | 1.1 to 20 m/s |
| Air Velocity [m_s] Basic Accuracy | ±(3% of reading + 0.2 m/s) |
| Air Velocity [m_s] Max Resolution | 0.1 m/s |
| Beaufort Wind Force | 1 to 8 BF |
| Beaufort Wind Force Basic Accuracy | ±1 BF |
| Beaufort Wind Force Max Resolution | 1 BF |
| Dew Point | 32 °F to 122 °F (0 to 50 °C) |
| Dew Point Basic Accuracy | ±3.6 °F/ ±2 °C |
| Dew Point Max Resolution | 0.1 °F/ °C |
| Relative Humidity | 10% to 95% |
| Relative Humidity Basic Accuracy | ±5% |
| Relative Humidity Max Resolution | 1% |
| Temperature [Air] | 0 to 122 °F (-18 to 50 °C) |
| Temperature [Air] Basic Accuracy | ±1.8 °F/ ±1 °C |
| Temperature [Air] Max Resolution | 0.1 °F/ °C |
| Additional Details | |
|---|---|
| Certifications | CE |
| Dimensions | 5.25 × 2.75 × 0.75" (133 × 70 × 19mm) |
| Display | Segment LCD |
| Power | 1 × CR2032 (3V) battery |
| Vane | 1" (24mm) diameter |
| Warranty | 2 years |
| Weight | 3oz (95g) |
Resources & Support
User Manual
Extech 45158 User Manual
Certification
Extech 45158 Declaration of Conformity
Datasheet
Extech 45118-45158 Datasheet
Export Restrictions
The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.