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Delipow®

Digital Protractor LCD Display Angle Measure Meter DA-103

 
Digg(100) ( 10 Reviews)
       
US $48.99
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Looking for a tool to measure the angle? Then we would like to introduce you with this Angle Meter. Brand new LCD Display Digital Angle Meter DA-103, with study aluminum body, this Angle Meter is anti-rust and is durable with long time use. Working range angle 0 degree-185 degree. Resolution is 0.1 degree. This Anglemeter measures any angle for pitch or slope with ease. Handy rise run angle and pitch information on back of this Angle Measurement. With portable design, this Angle Meter is convenient for you to be taken with you. With the help of this Angle Meter, you can measure any angle or slope quickly with ease.This Angle Meter is a good tool for you. Take it home, you won't regret!
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Product Description

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  • Specifications:

    • Angle Precision: ±0.1 degree
    • Operating temperature: 0 to 50 °C
    • Storage Temperature: -10 to 60 °C
    • Battery: 1 x 9V battery
    • Size: 278 x 52 x 24mm/10.9 x 2.0 x 1.0in(L x W x T)

    Features:

    • Working range angle 0 degree-185 degree for this Angle Meter
    • Brand new LCD Display Digital Anglemeter DA-103
    • Study aluminum body of this Angle Meter
    • Handy rise run angle and pitch information on back of this Angle Measurement
    • LCD display of this Angle Meter

    Details:

    Delipow Digital Protractor LCD Display Angle Measure Meter DA-103

    Angle Meter

    • Brand new LCD Display Digital Angle Meter DA-103, with study aluminum body, this Angle Meter is anti-rust and is durable with long time use

    Anglemeter

    • Working range angle 0 degree-185 degree. Resolution is 0.1 degree. This Anglemeter measures any angle for pitch or slope with ease

    Angle Measurement

    039725028495

    • Handy rise run angle and pitch information on back of this Angle Measurement, this angle meter can bring you great convenience

    Delipow Digital Protractor LCD Display Angle Measure Meter DA-103

    • With the help of this Angle Meter, you can measure any angle or slope quickly with ease

    Size in Detail:

    Angle Meter

     How to Measure an Angle Without a Protractor:

    Anglemeter

    Measuring angles without a protractor is one of the fundamental aspects of geometry. Sine, cosine, and tangent are three concepts that will allow you to calculate an angle based solely on the lengths of two sides of a right triangle. You can form a right triangle out of any single angle with the help of a ruler and a pencil. Remembering the term "soh-cah-toa" will help you remember what the correct ratios are for the sine, cosine and tangent functions.

    Instructions:

    • Determine what type of angle you are dealing with. If the two line segments open wide to form an angle larger than a right angle formed by perpendicular line segments, then you have an obtuse angle. If they form a narrow opening, then it is an acute angle. If the lines are perfectly perpendicular to each other, then it is a right angle, which is 90 degrees
    • Transpose a perpendicular cross across the paper. Position the intersecting point of the cross below and to the left of the intersecting point between the two line segments, and extend each line segment to cross both axes of the cross, if necessary
    • Determine the slopes of the two lines by measuring the rise of the line segment, or its vertical aspect, and dividing it by run, or the horizontal aspect. Take 2 points on each line, measure the difference between their vertical components and divide this by the difference in the horizontal component. This ratio is the slope of the line
    • Substitute the slopes into the equation tan(phi) = (m2 - m1)/(1 + (m2)(m1)) where m1 and m2 are the slopes of the lines, respectively
    • Find the arctan of this equation to get the angle between the two lines. In your scientific calculator, press the tan^-1 key and enter in the value of (m2 - m1)/(1 + (m2)(m1)). For example, a pair of lines with slopes of 3 and 1/4 would result in an angle of tan^-1((3-1/4)/(1+(3)(1/4)) = tan^-1(2.75/1.75) = tan^-1(1.5714) = 57.5 degrees

    Package Included:

    • 1 x Digital Angle Meter DA-103

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Average Customer Review:
  ( 10 Reviews)
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Buye232

from (RSA)

Bought this item on

06-30-2012

 
Works well
02:14:08 06-30-2012
Does what it says, quality is good, can easily use as required.

Does not measure angle relative to ground i.e. horizontal. It measures relative to opening angle like a protractor. This is not clear in the adverts.

None!

40 Dino Point ™ gained for this post
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Jimmy Boucher

Bought this item on

05-26-2011

 
It worked like a charm!
00:00:00 05-26-2011
This was a must to get the mast for the satellite dish perfectly perpendicular to the ground. It worked like a charm!
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Ian Fearon

Bought this item on

05-09-2011

 
Works as advertised
00:00:00 05-09-2011
Works as advertised. Compact, easy to read. I have used for roof pitches, rafters, gable end sofits, and other uses. I store in original packing material for protection.
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Christopher Westerkamp

Bought this item on

04-28-2011

 
tools you need
00:00:00 04-28-2011
This is the kind of tool you never really think you need, but once you have one you'll wonder why you went to so much trouble measuring your angles before.
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tatiana de s. bastos

Bought this item on

04-28-2011

 
Good product
00:00:00 04-28-2011
Good product. Works well takes the guess work out of a project.
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Sleeta Morris

Bought this item on

04-05-2011

 
Great price
00:00:00 04-05-2011
Handy tool that's really useful when you need to calculate accurate angles. Great price
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Frank Moore

Bought this item on

03-30-2011

 
good angle meter
00:00:00 03-30-2011
I bought this Angle Gage so we could roughly set the angle of an actuator in a new industrial machine. We will buy several for use on the test floor as we ramp up production.
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Bernhard Waldner

Bought this item on

03-15-2011

 
highly recommend
00:00:00 03-15-2011
We highly recommend it to all of our dish installers. For the price and quality, it is a 5 stars no doubt.
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Alberto Santana

Bought this item on

02-24-2011

 
precise meter
00:00:00 02-24-2011
It is not like the cheap imported models. This is much more precise and the scale if very easy to read.
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Iftekhar Ahmed

Bought this item on

02-08-2011

 
very pleased
00:00:00 02-08-2011
We use this for satellite dish installation, and we are very please with its quality and durability.
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