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.

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Door Pressure Gauge by GordonGlass

Product ID: 77927924

Details

Brand
Gordon Glass
Item dimensions L x W x H
20.3 x 1.3 x
Item weight
0.15 Pounds
Material
Glass
Number of items
1

📏Compact 20.3 cm length

⚖️0-35 lbs precision range

🛡️ADA compliance guaranteed

Description

⚙️ Measure with confidence, comply with ease — the pro’s choice for door pressure!

VERSATILE APPLICATION - Ideal for testing interior and exterior doors, sliding or folding doors, and even power-assisted door mechanisms.
DURABLE PROTECTIVE TUBE - Includes a plastic protective tube to safeguard the glass gauge during transport and daily handling.
POCKET SIZED PORTABILITY - Slim 20.3 cm design and lightweight 68g build fits easily in your pocket for on-the-go professional use.
ADA ACCESSIBILITY CERTIFIED - Ensures your doors meet strict Americans with Disabilities Act standards, enhancing inclusivity and legal compliance.
PRECISION FORCE MEASUREMENT - Accurately gauges door pressure from 0 to 35 pounds with ±5% tolerance for reliable compliance checks.

The GordonGlass Door Pressure Gauge is a precision instrument designed to measure door opening force from 0 to 35 pounds, meeting ADA requirements for accessibility. Compact and lightweight, it features a durable glass build with a protective plastic tube, making it perfect for professionals ensuring compliance and safety in building access.

Specifications

ASIN	B0040081UM
Best Sellers Rank	360,308 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,823 in Door Stops
Brand	Gordon Glass Co.
Customer Reviews	4.7 4.7 out of 5 stars (375)
Item Dimensions	20.3 x 1.3 x 1.3 centimetres
Item Weight	0.15 Pounds
Manufacturer	Gordon Glass
Manufacturer Part Number	DPG35
Material	Glass
Model Number	DPG35
Number of Items	1
Number of Packs	1
Thread Type	Standard
UPC	096523014365
Unit Count	1.0 count

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