Does this product have certified NIST

No, Extech does not offer NIST calibration on the EN300. Most products are available with NIST at an additional cost, but the EN300 is not available w/NIST.

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.

The equipment can be calibrated with 407722 ??? (Sound)

This meter can use the 407001 software via the PC interface to view the parameters in real-time on the PC. You cannot log all 5 parameters at the same time. You can use the 407022 to calibrate the sound level mode. I hope you find this information helpful.

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.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Extech EN300 5-in-1 Environmental Meter - Measures Air Velocity, Light, Humidity, Temperature & Sound Level - Compact Multi-Function Tester with Large LCD & Data Hold for Field and Indoor Monitoring

Extech EN300 5-in-1 Environmental Meter - Measures Air Velocity, Light, Humidity, Temperature & Sound Level - Compact Multi-Function Tester with Large LCD & Data Hold for Field and Indoor Monitoring

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: The equipment can be calibrated with 407722 ??? (Sound)

This meter can use the 407001 software via the PC interface to view the parameters in real-time on the PC. You cannot log all 5 parameters at the same time. You can use the 407022 to calibrate the sound level mode. I hope you find this information helpful.

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.

Product ID: 10946695

Details

Battery Description
6 x AAA (1.5V)
Brand
Extech
Color
Green/Orange
Item Weight
0.34 kg
Lower Temperature Rating
32 °F

💡Cosine & color corrected light sensor

🔊IEC Class 2 sound level meter

🌬️5-in-1 air velocity & more

S$723

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Description

🌟 Measure Everything, Miss Nothing — The Ultimate 5-in-1 Environmental Powerhouse

RUGGED PORTABILITY - Lightweight, durable, and battery-powered for seamless use on job sites, inspections, or environmental audits—carry confidence everywhere.
USER CENTRIC DESIGN - Large dual LCD display with intuitive controls and data hold/max-min functions—perfect for busy pros who demand clarity and speed.
PRECISION YOU CAN TRUST - Equipped with a low-friction vane wheel, thin-film humidity sensor, and IEC Class 2 sound meter for lab-grade accuracy in the field.
COMPREHENSIVE KIT INCLUDED - Comes with Type K thermocouple probe, protective pouch, and six AAA batteries—ready to deploy right out of the box.
ALL IN ONE ENVIRONMENTAL MASTERY - Measure air velocity, light, humidity, temperature & sound with one sleek device—streamline your workflow effortlessly.

The Extech EN300 is a compact, rugged 5-in-1 environmental meter that simultaneously measures air velocity, light intensity, relative humidity, temperature (including via Type K thermocouple), and sound level with IEC Class 2 accuracy. Featuring a large dual LCD, data hold, min/max functions, and powered by six AAA batteries, it’s designed for professionals needing reliable, precise environmental data in the field or indoor settings.

Specifications

ASIN	B005LNZ9SE
Battery Description	6 x AAA (1.5V) batteries
Best Sellers Rank	#645,404 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #93 in Anemometers
Brand Name	Extech
Color	Green/Orange
Customer Reviews	5.0 5.0 out of 5 stars (9)
Global Trade Identification Number	00793950440308
Included Components	Meter, Probe (Built-in), Batts, Case
Item Weight	0.34 kg
LowerTemperature Range	32 °F
Manufacturer	Extech
Model	EN300
Mounting Type	Freestanding
Number of Items	1
Operating Humidity	10-95%
Part Number	EN300
Temperature Accuracy	1.2°C
Temperature Reading Accuracy	plus_minus_1_point_2_degrees_celsius
UPC	793950440308 013088123530
Unit Count	1 Count
Upper Temperature Range	1300 °C
Warranty Description	2 years

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