Is this accurate to 0.1 deg or 0.05?

According to the information on the Klein Website this is accurate to ±0.1° from 0° to 1°, 89° to 91°, 179° to 180°; ±0.2° at All Other Angles

Can you set this to 0 then find angle on table saw blade if table saw is out of level?

Yes, it measures relative angles, zero it on your saw table and it will accurately measure the angle you need.

Anyone get an error on start up?

tilted or out of range may trigger error

Can this determine the pitch (1/12, 2/12, 3/12....12/12, 13/12..etc.)??? Need to determine pitch angle for roofing, pipes...etc?

As said below, you can use it to calculate pitch indirectly. A 12/12 pitch is 45 degrees, zero the inclinometer on the top plate along the same plane as the trusses then transfer it to the truss. The measurement displayed will be the angle between the plate and the top of the truss. Most speed squares have the rise over run angle printed on them, if not: Roof Pitch = (1 ÷ Tangent (Rise ÷ Run))*180/π

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Klein Tools Digital Electronic Level and Angle Gauge, Measures 0-90 and 0-180 Degree Ranges, Measures and Sets Angles 935DAG

Klein Tools Digital Electronic Level and Angle Gauge, Measures 0-90 and 0-180 Degree Ranges, Measures and Sets Angles 935DAG

Product ID: 288271797

Details

Brand
KLEIN TOOLS
Colour
Multi
Material
ABS Plastic
Product dimensions
6L x 5.6W
Style
Gauge

📐0-180° dual range precision

🔄Auto-rotating high-contrast display

🧲Strong magnetic base for hands-free use

Description

📏 Elevate your precision game — never miss the perfect angle again!

HANDS FREE MASTERY - Powerful magnetic base secures the gauge to pipes, conduits, and metal surfaces for effortless operation.
PRECISION AT EVERY ANGLE - Dual 0-90° and 0-180° measurement ranges for versatile, professional-grade accuracy.
SEE CLEARLY WORK CONFIDENTLY - Reverse contrast, auto-rotating display ensures perfect visibility even in dim or awkward spaces.
BUILT FOR THE PROS DESIGNED TO LAST - Crafted with durable ABS housing and backed by Klein Tools’ 160+ years of trusted craftsmanship.
ZERO CALIBRATION FOR TRUE RELATIVE ANGLES - Easily measure and set angles with a zero calibration feature that guarantees flawless alignment.

The Klein Tools 935DAG Digital Electronic Level and Angle Gauge offers dual-range angle measurement (0-90° and 0-180°) with a zero calibration feature for relative angles. Its high-visibility reverse contrast display auto-rotates for easy reading in any orientation, while a strong magnetic base enables hands-free use on ferromagnetic surfaces. Built with durable ABS housing, this professional-grade tool is ideal for electricians, woodworkers, and machinery experts seeking reliable, precise angle and level measurements.

Specifications

ASIN	B07ZWW3BW5
Best Sellers Rank	#27,362 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Electronic Levels
Brand	KLEIN TOOLS
Brand Name	KLEIN TOOLS
Color	Multi
Colour	Multi
Customer Reviews	4.8 out of 5 stars 15,815 Reviews
Global Trade Identification Number	00092644692376
Included Components	Digital Angle Gauge and Level
Item Dimensions L x W	6L x 5.6W centimeters
Item Type Name	Digital Electronic Level and Angle Gauge, Measures 0 - 90 and 0 - 180 Degree Ranges, Measures and Sets Angles Klein Tools 935DAG
Level Measurement Type	digital
Level Measurement Units	degree
Manufacturer	KLEIN TOOLS
Manufacturer Part Number	935DAG
Material	ABS Plastic Housing and Electronic Components
Material Type	ABS Plastic Housing and Electronic Components
Model Number	935DAG
Operation Mode	Manual
Operation mode	Manual
Product dimensions	6L x 5.6W centimeters
Style	Gauge
Style Name	Gauge
UPC	092644692376
Unit Count	1 Count

Reviews

N**L

good quality

Good quality and very accurate

22.02.2022

T**I

Excellent device

Excellent device and accurate

14.09.2023

I**O

Perfeito

28.03.2026

S**Y

Works well

This a great little unit, we have doing reno’s for over a year and I could have used this before now. It is more accurate than what I need but Tver easy to use and easy to read even without glasses which is a big plus. I am typically using it on top of my spirt levels as it’s more accurate and easier to see if you are level. Especially one the longest level where it can be hard to hold it in the right place and get a good view of the bubble. All up I would get another one if it stopped working without hesitation.

19.11.2020

A**R

Not durable.

I’ve used this for 1.5 years and now it would not power up despite many battery changes.

6.09.2022

M**D

ممتاز

13.04.2026

W**Y

Takes out the guess work

Great little tool to have. I've used it for finding the pitch of my garage, setting my table saw, chop saw and drill press.

13.01.2025

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