KLEIN TOOLS 935DAG

Digital Electronic Level and Angle Gauge

Model: 935DAG | Brand: KLEIN TOOLS

Introduction

The Klein Tools 935DAG Digital Electronic Level and Angle Gauge is a versatile tool designed for precise angle measurement. It can be used to measure or set angles, check relative angles, or function as a digital level. Its strong magnetic base allows for attachment to ferromagnetic surfaces, and the dual measurement ranges (0-90 degrees and 0-180 degrees) accommodate various applications. The high-visibility reverse contrast display ensures easy reading in diverse lighting conditions.

Klein Tools 935DAG Digital Angle Gauge, front view

Figure 1: Klein Tools 935DAG Digital Electronic Level and Angle Gauge.

Features

  • Versatile Functionality: Measures and sets angles, checks relative angles, and operates as a digital level.
  • High Visibility Display: Reverse contrast display for improved readability in low-light conditions.
  • Auto-Rotating Display: Screen automatically rotates when the unit is upside down for convenient viewing.
  • Strong Magnetic Base: Securely attaches to ferromagnetic surfaces such as conduit, pipes, and saw blades for hands-free operation.
  • V-Groove Edges: Designed for optimal alignment on conduits and pipes.
  • Wide Measurement Range: Capable of measuring angles between 0-90 degrees and 0-180 degrees.
  • Water and Dust Resistant: IP42 rating provides protection against water and dust.
  • Portable Design: Compact size with included soft carrying case for easy transport.

Setup

Battery Installation

The Klein Tools 935DAG requires two AAA batteries (included). To install or replace batteries:

  1. Locate the battery compartment cover on the back of the unit.
  2. Use a small screwdriver to loosen the screw on the battery cover.
  3. Remove the cover and insert two AAA batteries, ensuring correct polarity (+/-).
  4. Replace the battery cover and tighten the screw.

Power On/Off

Press the red power button (labeled with a circle and vertical line) to turn the unit ON or OFF.

Klein Tools 935DAG with soft carrying case and two AAA batteries

Figure 2: Included accessories: soft carrying case and AAA batteries.

Operating Instructions

Basic Angle Measurement

To measure an absolute angle:

  1. Place the gauge on a flat, level surface.
  2. Press the 'ZERO' button to calibrate the unit to 0.0 degrees.
  3. Place the gauge on the surface or object you wish to measure. The display will show the angle relative to the calibrated zero.
Klein Tools 935DAG showing 0.0 degrees on a flat surface after calibration

Figure 3: Calibrating the gauge to 0.0 degrees on a flat surface.

Relative Angle Measurement

To measure the angle between two surfaces:

  1. Place the gauge on the first surface.
  2. Press the 'ZERO' button. The display will show 0.0 degrees, establishing this as your reference angle.
  3. Move the gauge to the second surface. The display will now show the angle difference between the first and second surfaces.
Klein Tools 935DAG measuring an angle on a wooden beam

Figure 4: Measuring a relative angle on a wooden beam.

Hold Function

Press the 'HOLD' button to freeze the current measurement on the display. This is useful when measuring in hard-to-see areas. Press 'HOLD' again to release the measurement.

Close-up of Klein Tools 935DAG display showing the HOLD function activated

Figure 5: Display showing the 'HOLD' function active.

Auto-Rotating Display

The display automatically rotates 180 degrees when the unit is inverted, ensuring the reading is always upright and easy to view, regardless of the gauge's orientation.

Klein Tools 935DAG display automatically rotating when held upside down

Figure 6: The auto-rotating display for easy viewing.

Magnetic Base and V-Grooves

The strong magnetic base allows the gauge to adhere to ferromagnetic surfaces, providing hands-free operation. The V-groove edges on all four sides ensure stable placement and optimal alignment on curved surfaces like pipes and conduits.

Klein Tools 935DAG using V-groove edges on a conduit

Figure 7: Utilizing V-groove edges for alignment on conduit.

Klein Tools 935DAG attached to a pipe, displaying an angle

Figure 8: Gauge magnetically attached to a pipe.

Klein Tools 935DAG on a table saw blade for angle setting

Figure 9: Gauge on a table saw blade for precise angle adjustment.

Maintenance

Cleaning

Wipe the unit with a clean, dry cloth. Do not use abrasive cleaners or solvents. Ensure the unit is dry before storage.

Battery Replacement

Replace batteries when the low battery indicator appears on the display. Follow the battery installation steps in the Setup section.

Troubleshooting

IssuePossible CauseSolution
Display not turning onDead or incorrectly installed batteriesReplace batteries, ensuring correct polarity.
Inaccurate readingsUnit not calibrated to zeroRecalibrate to 0.0 degrees on a known flat surface.
Display shows 'Err'Internal error or extreme angleTurn the unit off and on again. Ensure the angle is within the 0-180 degree range.

Specifications

SpecificationDetail
BrandKLEIN TOOLS
Model Number935DAG
MaterialABS Plastic Housing and Electronic Components
ColorMulti (typically orange and black)
Product Dimensions2.36"L x 2.2"W
Item Weight3.5 Ounces
Operation ModeAutomatic
Measurement Ranges0-90 Degrees, 0-180 Degrees
Special FeaturesV-grooves Around Entire Perimeter, Reverse Contrast Display, Magnetic Base
Batteries2 AAA batteries (included)
IP RatingIP42 (Dust and Water Resistant)

Warranty and Support

Warranty Information

This product is covered by a Manufacturer Warranty. Please refer to the warranty documentation included with your purchase for specific terms and conditions.

Customer Support

For technical assistance, troubleshooting, or warranty claims, please contact Klein Tools customer support through their official website or the contact information provided in your product packaging.

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