NIST Traceable Certificate of Compliance - Heat Stress Meters (requires meter purchase)

NIST Traceable Certificate of Compliance - Heat Stress Meters (requires meter purchase)

Marsoni

M251S

$40.00

Get it in 3 business days with 1 day shipping. Friday, May 29

NIST Traceable Certificate of Compliance - Heat Stress Meters (requires meter purchase)Certificate of Compliance for new Sper Scientific Heat Stress Meters Meter will be tested in our in house lab to confirm that it meets or exceeds published specifications. All certifications are performed using instrumentation and standards that are traceable to the National Institute of Standards and Technology (NIST). Includes Complete Documentation: Each certified product comes with: Serial Number Certification Label Certification Testing Report

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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This is fantastic. It was a breeze to put together, the battery lasts a good 45 minutes or more, it is easy to handle, and does a terrific job of edging the concrete driveway. the roadside curb, and the borders of my flower beds. It is not too heavy and has loads of power. I am a 5'1" woman 81 years old and this tool is very easy for me to use and carry. The size is not too long even for me to maneuver. It is easy to lean if you get clumps of dirt in the housing for the blade and it is adjustable to suit the depth needed at the time. It seems very well made. The price was reasonable and I think we may be friends for quite a whole.

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Reviewed in the United States on July 29, 2025

Verified Purchase

Bharlie

Boise, US

★★★★★ 5

Good tool!!!!!

Style: Lawn Edger w/(1) 4.0 Ah Battery

The edger worked great!!. I did my neighbors yard and then mine and the batteries were still fully charged!!

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Reviewed in the United States on April 21, 2026

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JW Frazier

Pawtucket, US

★★★★★ 4

Great battery powered edger

Style: Lawn Edger w/(1) 4.0 Ah Battery

This edger works great love the guide for along sidewalks and curbside lawns. It is a little underpowered for really thick lawns battery goes down fairly fast on the thicker areas but all in all it’s great

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Reviewed in the United States on June 5, 2026

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Aldo Torrente

Los Angeles, US

★★★★★ 1

The blade is not sharpen.

Style: Lawn Edger w/(1) 4.0 Ah Battery

I had no problems assembling the equipment. The problem is with the blade. It doesn't have any sharpen. I bough spares blades which have a different configuration and better edge. However I haven't been able to unscrew the bolt in order to install the new blade. It is extremely tied. One would think that you purchase this equipment, at a high price, and would be able to use it right away. In your dream. This is a Third World Country selling things at an incredible high prices, for the profit of the American companies using the manpower of other Third World Countries or China. Since the blade is not sharp, when you try to use the equipment it got disconnected. Therefore it does not work with the blade that comes from the manufacturer. Total disaster.

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Reviewed in the United States on June 1, 2026

Verified Purchase

Kris Smith

Battle Creek, US

★★★★★ 5

Worx very well!

Style: Lawn Edger w/(1) 4.0 Ah Battery

Worx very well. ;) More power than I expected from a 20v cordless machine. And with the 4Ahr battery it comes with, I was able to do the drive, walks, and patio without having to change batteries. I own 2 Worx string trimmers, chainsaw, hedge trimmer, drill impact driver, and leaf blower. Love them all.

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Reviewed in the United States on May 2, 2026