Bosch DWM 40L Digital Electronic Angle Finder & Crown Molding Calculator

Description

Bosch DWM 40L Electronic Angle Finder & Crown Molding Calculator
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The Bosch DWM 40 L Miter Finder makes cutting accurate miters easy, including the complicated crown molding cuts. Simply put, the Bosch DWM 40 L Miter Finder is an electronic protractor capable of measuring angles from 0 to 220-degrees with an accuracy of +/- 0.01-degree. The findings are displayed on the large LCD screen down to a tenth of a degree.
The Bosch DWM 40 L Miter Finder also has a pair of built in spirit level vials 90-degrees to each other with an accuracy of +/- 0.057".
The 16"-long Bosch DWM 40 L Miter Finder is built from sturdy aluminum extrusions and a heavy cast knuckle that houses the angle-measuring sensor. The upper arm closes over the lower at 0-degrees but has a cutout window over the LCD screen that allows reading small angles.
The unit is powered by four AA-size batteries that apparently last a very long time. When the "low-battery" indicator appears in the LCD window you still have 1 to 2 hours of power left.
The LCD screen is a generous 2 ½"-long and 7/8"-tall with large, easy to read numerals. There is a duplicate LCD screen on the back side of the Bosch DWM 40 L Miter Finder that allows reading the information directly in most situations.
Operating the Bosch DWM 40 L Miter Finder involves three buttons. An "On/Off", a "Hold" button that retains a measured angle, and another marked "BV/MT" that activates the really trick part of the electronic functions.
The "On/Off" button does just what the name implies, but for when we forget, the computer shuts the unit down after five minutes of non-use.
The "Hold" button freezes the angle reading for when the object being measured prevents seeing the display directly. Hold the Bosch DWM 40 L Miter Finder with its arms against the two surfaces and press the Hold button. The miter finder can then be moved to view the screen without losing the reading if the arms are disturbed. Pressing the "Hold" button again clears that measurement.
The really trick part of the Bosch DWM 40 L Miter Finder's electronics is the BV/MT function. Whether installing crown molding on walls or as decoration on cabinets, the on-board computer reduces this once complicated mathematical process to a few pushes of the BV/MT button.
Measure or set the spring angle (the angle at which the crown molding is to the wall) and push the BV/MT button. The instructions show how to measure spring angle with the Bosch DWM 40 L Miter Finder. Measure the angle of the corner to which the molding is being applied and then push the BV/MT button again. Push the button twice more and the Bosch DWM 40 L Miter Finder displays the bevel and miter angles down to the tenth of a degree for cutting the molding flat on your compound miter saw.
If we always dealt with 90-degree angles, the detents built into some better dual bevel compound miter saws would suffice. However, in the real world corners are not always what they are supposed to be, a condition new Bosch DWM 40 L Miter Finder owners are quick to confirm.
To form clean fitting moldings on many corners, the joints must be custom cut, and the Bosch DWM 40 L Miter Finder will tell you exactly how to do it.The Bosch DWM 40 L Miter Finder is a worthy tool for any woodworker interested in precise layouts and angle cuts. This easy to use tool will dramatically increase the accuracy of these often frustrating tasks found in many projects. Being able to so clearly read angles with this level of precision substantially reduces the guesswork involved in cutting virtually any angle needed.
Extremely accurate angle calculation
Faster, more precise and more efficient calculation of angles
Precise transfer of the angles onto workpieces
The greatest accuracy over the long term due to the integrated, wear-free and temperature independent Bosch Precision Angle Sensor
2 easy-to-read displays on the front and back
No calibration required
Hold function to hold measurement results at the push of a button
Sturdy and compact
In a set with arm extension for measuring on short contact surfaces and in hard-to-reach areas
Comes with:
Bosch Angle Finder
Arm extension
Protective case
Manual
Specification
Measurement range : 0 – 220°
Measurement accuracy, angles : ± 0.1° = ± 1.8 mm/m
Measurement accuracy, vials : ± 0.057° = ± 1 mm/m
Power supply : 4 x 1.5 V LR6 (AA)
Automatic deactivation facility, approx. : 5 mins
Staple length : 40 cm
Length : 400 mm
Weight, approx. : 1,1 kg
Width : 33 mm
Height : 60 mm
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