Does this tester come with a calibration information? or certificate ?

For $29 you are not going to get much in the way of precision engineering but presuming you are using it to verify door opening force for ADA purposes, it is very easy to check. Support it in a vertical position on a firm surface then simply place an item you know is five pounds, such as a dumbell, on top of it. Used the five pound example since that is the threshold for ADA doors. You can do the same thing with objects of other weights to get a range of test points.

Does this also shut the door

No this will not shut the door. This tool is used to test the pound of pressure to push the door open or pull the door open to comply with the ADA act that a person with limited ability to open a door.

Are the marks on the gauge just a sticker or are they painted on?

They are silk-screen printed / painted on. My minor issue is the rubber o-ring to mark the door pressure. That o-ring will crack and break off over time and would need to get a replacement o-ring at the hardware store. We use this to check for door ADA compliance.

Door Pressure Gauge By Gordonglass | Desertcart UNITED STATES

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

⚙️ Measure with confidence, comply with ease!

ADA READY COMPLIANCE - Ensures your doors meet strict Americans with Disabilities Act requirements effortlessly.
COMPACT LIGHTWEIGHT - Slim 20.3 cm glass instrument weighing just 0.15 lbs—easy to carry and handle on-site.
TRUSTED BY PROFESSIONALS - Highly rated with 4.7 stars from 375 users, making it the go-to tool for door pressure testing.
DURABLE PROTECTIVE DESIGN - Equipped with a plastic protective tube to safeguard the gauge during frequent professional use.
PRECISION FORCE MEASUREMENT - Accurately gauges door pressure from 0 to 35 lbs with ±5% tolerance for reliable compliance checks.

The GordonGlass Door Pressure Gauge is a precision glass instrument designed to measure door opening force from 0 to 35 pounds, meeting ADA standards. Lightweight and protected by a plastic tube, it offers reliable, on-the-spot compliance testing for interior and exterior doors, favored by professionals for its accuracy and durability.

Specifications

ASIN	B0040081UM
Best Sellers Rank	#76,960 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Pressure Washer Gauges
Brand	Gordon Glass Co.
Brand Name	Gordon Glass Co.
Customer Reviews	4.7 out of 5 stars 375 Reviews
Item Dimensions	20.3 x 1.3 x 1.3 centimeters
Item Weight	0.15 Pounds
Item dimensions L x W x H	20.3 x 1.3 x 1.3 centimeters
Item weight	0.15 Pounds
Manufacturer	Gordon Glass
Material	Glass
Material Type	Glass
Model	DPG35
Part Number	DPG35
Thread Style	Standard
Thread type	Standard
UPC	096523014365
Unit Count	1.0 Count
Unit count	1.0 Count

Reviews

K**T

Arrived ahead of schedule , and is as described

Arrived ahead of schedule , and is as described . using it to set ATV track tension

22.11.2023

J**S

Need for job

This door closing force gauge was exactly what I needed to assist me in my job. Works great and easy to use

3.02.2024

T**R

It does the job but is a tad pricey

For what it is I don't believe it to be worth the money, however because of supply and demand I would charge what I paid for it - I needed one for work to test some doors and I was limited to where to buy one and of course amazon had one. It does what it's meant todo, shame it doesn't have a hook for handles. Not the end of the world. It's small then I thought but thats better as I can just put it in my pocket.

26.05.2024

T**S

Fast Delivery Solid Product

We used it for measuring door pressure / door forced and it worked well. Great product , arrived quickly.

19.02.2021

R**O

Great product

Code compliance NFPA 80 doors

22.09.2023

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TrustScore 4.5 | 7,300+ reviews

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TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago