Can this be used to measure air from a floor air vent in an A/C system

If you mean the air flow (speed), then the answer is YES. If you mean the temperature of the air, then the answer is NO (because it is not accurate when it comes to temperature)

does this have a screw on the bottom to attach to the tripod

Dear kcarter,Hello.I am Cindy from Holdpeak sales support.Yes!Our 866B anemometer comes with a carrying strap which screws into the bottom or you could mount it in a tripod.I hope my answer will be helpful!

I received mine today. Is there any way to adjust the contrast of the display? I can't hardly read mine.

No contrast adjustment that I know of but there is a back light. But there is a back light that might help. Check your battery. It is a bit sensitive to your viewing angle so hold it directly in line with your eyes. But I repeat, check your battery.

Does this measure CFM and if so what is the setting listed as?

Short answer... sort of. You have to calculate to get your answer. Ft/min x surface area (of whatever port you’re measuring)= CFM. Example: device reads 100 ft/min coming out of an air vent that is 6 inches by 12 inches (half a square foot). 100 ft/min x .5 sq ft = 50 CFM.

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HoldPeak 866B Digital Anemometer Handheld Wind Speed Meter for Measuring Wind Speed, Temperature and Wind Chill with Backlight and Max/Min

Product ID: 16114165

Details

Brand
H HOLDPEAK
Item Weight
200 Grams
Item dimensions L x W x H
6.49 x 3.34 x
Material
Acrylonitrile
Number of Items
1

🌀8 precision vanes

📏Multi-unit wind & temp modes

🌬️0.67~67.1 mph range

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Description

🌪️ Master the wind, wherever your mission takes you.

PRO GRADE CONVENIENCE - Tripod mount + hand strap ensure hands-free stability and secure grip during critical outdoor tasks.
PRECISION WIND TRACKING - Dual temp sensors + 8 vanes deliver ±2% accuracy for real-time wind speed & chill insights.
VERSATILE MEASUREMENT MODES - Switch effortlessly between mph, km/h, knots, m/s, and ft/min to suit any pro environment.
LIGHTWEIGHT READY FOR ADVENTURE - Compact 200g design with waterproof carrying pouch—perfect for drone pilots, sailors, and outdoor pros.
MAX MIN AVERAGE DATA AT YOUR FINGERTIPS - Instantly capture wind extremes and averages with backlit display for any lighting condition.

The HoldPeak 866B Digital Anemometer is a professional handheld wind meter featuring an ultra-sensitive 8-vane fan and dual temperature sensors. It measures wind speed from 0.67 to 67.1 mph with ±2% accuracy and supports multiple units for wind speed and temperature. Designed for outdoor enthusiasts and professionals alike, it includes a tripod mount, hand strap, backlit display, and comes with a waterproof carrying pouch. Ideal for drone flying, sailing, HVAC, and more, it offers max/min/average wind speed tracking in a lightweight, durable ABS body.

Specifications

ASIN	B00ZHKWCP4
Best Sellers Rank	#13,492 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2 in Wind Speed Gauges
Brand	H HOLDPEAK
Brand Name	H HOLDPEAK
Customer Reviews	4.5 out of 5 stars 4,419 Reviews
Included Components	Digital Anemometer, Screwdriver, Lanyard, Protective Case,User Manual
Item Dimensions	6.49 x 3.34 x 1.49 inches
Item Type Name	Handheld Wind Speed Meter
Item Weight	200 Grams
Item dimensions L x W x H	6.49 x 3.34 x 1.49 inches
Manufacturer	H HOLDPEAK
Material	Acrylonitrile Butadiene Styrene (ABS)
Material Type	Acrylonitrile Butadiene Styrene (ABS)
Model	HP-866B
Number of Items	1
Part Number	1-866B
UPC	703546921142
Unit Count	1.0 Count
Warranty Description	1 year

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AR$126113

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

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TrustScore 4.5 | 7,300+ reviews

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