What is the minimum wind speed that this anemometer can measure accurately? I'm currently looking for an anemometer that can measure wind speed <1 m/s

wind speed measurement for the 407113 CFM Anemometer is: MPH: 1.1 to 78.3 knots: 1.0 to 68 km/h: 1.8 to 126 AIRFLOW: CFM = FT3/MIN: 0 TO 999,900 CFM CMM= M3/MIN: 0 TO 999,900 CMM I hope this helps your decision to buy.

Is the 9 volt battery replaceable? Does it have a tripod mount?

Yes the battery is replaceable however it is a 3V #2032. To my knowledge no tripod mount is available.

can i buy the probe seperatly

Unfortunately, you cannot purchase the probe for this unit separately. If you change the probe on the meter, it will no longer provide accurate readings. The meter is calibrated with the probe at the factory to provide accurate reading, and the meter can only be calibrated with one probe at a time. If the probe is damaged, you will have to send the meter in to the factory to have a new probe calibrated with the meter.

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Extech 45170 4-in-1 Environmental Meter, Anemometer and Light

Extech 45170 4-in-1 Environmental Meter, Anemometer and Light

Q: What is the minimum wind speed that this anemometer can measure accurately? I'm currently looking for an anemometer that can measure wind speed <1 m/s

wind speed measurement for the 407113 CFM Anemometer is: MPH: 1.1 to 78.3 knots: 1.0 to 68 km/h: 1.8 to 126 AIRFLOW: CFM = FT3/MIN: 0 TO 999,900 CFM CMM= M3/MIN: 0 TO 999,900 CMM I hope this helps your decision to buy.

Q: Is the 9 volt battery replaceable? Does it have a tripod mount?

Yes the battery is replaceable however it is a 3V #2032. To my knowledge no tripod mount is available.

Q: can i buy the probe seperatly

Unfortunately, you cannot purchase the probe for this unit separately. If you change the probe on the meter, it will no longer provide accurate readings. The meter is calibrated with the probe at the factory to provide accurate reading, and the meter can only be calibrated with one probe at a time. If the probe is damaged, you will have to send the meter in to the factory to have a new probe calibrated with the meter.

Product ID: 4910651

Details

Brand
Extech
Color
Green
Included Components
Extech 45170
Material
Metal
Number of Batteries
1 AA batteries
Power Source
Battery

💡Dual Lux & Foot-candle light meter

📊Min/Max + Data Hold display

🌬️4-in-1 airflow & environment sensor

€ 282.54

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Description

🌟 Master your environment with one tool—because precision never goes out of style.

POCKET SIZED POWERHOUSE - Consolidate 4 tools into one sleek, portable device—carry less, do more.
CRITICAL CLIMATE INSIGHTS - Fast-response capacitive humidity & temperature sensors prevent costly moisture issues.
INTUITIVE DATA MANAGEMENT - Large dual LCD with Min/Max and Data Hold keeps your readings clear and actionable.
PRECISION AIRFLOW TRACKING - Low-friction vane wheel captures even the slightest breeze with pro-grade accuracy.
VERSATILE ILLUMINATION CHECKS - Toggle between Lux and Foot-candle modes for perfect lighting in any professional setting.

The Extech 45170 is a rugged, pocket-sized 4-in-1 environmental meter combining an anemometer, hygrometer, thermometer, and light meter. Designed for professionals in HVAC, home inspection, and greenhouse management, it delivers fast, accurate readings of wind speed, humidity, temperature, and light levels. Featuring a low-friction vane wheel, capacitive humidity sensor, and dual Lux/Foot-candle light measurement, it offers intuitive data display with Min/Max and Data Hold functions. Powered by a single 9V battery and backed by a 1-year warranty, this tool streamlines environmental diagnostics with precision and portability.

Specifications

ASIN	B004AZ6I3Y
Additional Features	Data Hold, Min/Max functions, low-friction vane wheel, large LCD display
Best Sellers Rank	#178,329 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #27 in Anemometers
Brand Name	Extech
Color	Green
Customer Reviews	3.8 3.8 out of 5 stars (26)
Display Type	LCD
Global Trade Identification Number	00793950451700
Included Components	Extech 45170 Four in One Environmental Meter (Hygro-Thermo-Anemometer-Light)
Is Used Where	Indoor, Outdoor
Item Highlight	Wind speed, humidity, light/lux, temperature, vane wheel, MIN/MAX, pocket, HVAC/greenhouse
Item Weight	3.84 ounces
Manufacturer	Extech
Material Type	Metal
Model	45170
Number of Batteries	1 AA batteries required. (included)
Number of Items	1
Number of Packs	1
Part Number	45170
Power Source	Battery Powered
Recommended Uses For Product	Laboratory
Sensor Technology	Capacitive, Photodiode, Mechanical
Shape	Rectangular
Specific Uses For Product	Temperature
Style Name	45170
Temperature Accuracy	1.2 degrees_celsius
UPC	793950451700
Unit Count	1 Count
Upper Temperature Range	122 °F
Warranty Description	1 year

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