Easy-Laser E915

Flange spinEasy-Laser® E915 is a system used to measure flange flatness of windmill towers and slewing bearings with an easy-to-use rotating laser. You can see the result as a 3D image in the display unit immediately after measuring and you can evaluate the result with different calculation settings.


Measure windmill tower flanges with spinning laser

See the result as a true 3D image in the display unit directly after measuring. Evaluate the result easily with different calculation settings, for example, three-point reference, best fit, or all positive. This can also be done directly on-site without stopping to go to a PC with separate analysis programs, which was the case previously. This makes production much more efficient.

The system includes laser transmitter D23 Spin with a power rotating head. This is how it works in short: The laser beam from the transmitter constantly rotates and creates a reference plane over the entire measurement object. Measurements are performed quicker as you do not have to align the beam for each new measurement position. You place the detector at the desired measurement points and register the reading by pushing a button. In principle, one person can perform the measurement themselves. It is then possible to generate a PDF report containing graphs and measurement data directly from the measurement system’s display unit. All information about the measurement object is documented.

For all types of flanges

Easy-Laser® Flange systems can be used on all sizes of flanges, regardless of diameter. You can measure 1 to 5 circles of measurement points, for example, inner, middle, and outer circles, to see the flange's taper. Each circle can have 6–180 measurement points. The program guides you graphically step-by-step through the entire measurement, which quickens the measurement process. Three methods are available: Full circle measurement, Sectional measurement, and Partial measurement.

Evaluate directly on site

When the measurement of the flange is complete, the digits must then be interpreted. Easy-Laser® Flange systems make this extremely easy to do. And you can even do it on-site, without having to go to a PC with separate analysis programs. This, of course, saves a lot of time – time that you can use to measure more flanges. You can evaluate the result with different calculation settings, for example, “three-point reference,” “best fit,” or “all positive”. The result is shown via graphics in true 3D.

Technical overview

Display unit

Name: E51
Part number: 12-0418
Type of display/size: VGA 5.7” colour screen, backlit LED
Displayed resolution: 0.001 mm/0.05 thou
Power management: Endurio™ system for unbroken power supply
Internal battery (fixed): Heavy duty Li Ion chargeable
Battery compartment: For 4 x R14 (C)
Connections: USB A, USB B, Easy-Laser® units, Charger
Operating temperature: −10 to 50 °C
Communication: BT wireless technology
Internal memory: >100 000 measurements can be saved
Help functions: Calculator, Unit converter
Environmental protection: IP class 65
Housing material: PC/ABS + TPE
Dimensions (WxHxD): 250x175x63 mm [9.8”x6.9”x2.5”]
Weight (without batteries): 1080 g [2.4 lbs]

Laser transmitter

Name: D23
Part number: 12-0168
Type of laser: Diode laser
Laser wavelength: 630–680 nm, visible red light
Laser safety class: Class 2
Output: < 1 mW
Beam diameter: 6 mm [1/4”] at aperture
Working area, range: 20-metre radius [65']
Type of battery: 1 x R14 (C)
Operating time/battery: approx. 15 h
Levelling range: ± 30 mm/m [± 1.7°]
3 x spirit vials’ scaling: 0.02 mm/m
Flatness of sweep: 0.02 mm/m
Housing material: Anodized aluminium
Dimensions (WxHxD): 139x169x139 mm [5.47”x6.64”x5.47”]
Weight: 2650 g [5.8 lbs]


Name: E5
Part number: 12-0509
Communication: Wireless unit 12-0436 (separate item)
Type of detector: 2 axis PSD 20x20 mm [0.78" sq]
Dual Detection Technology™: Can detect both spinning and stationary laser
Type of display: N/A
Resolution: 0.001 mm [0.05 mils]
Measurement accuracy: Spin ±10µm ±1% / Stationary beam ±10µm ±2%
Inclinometers: 0.1° resolution
Thermal sensor: ± 1 °C accuracy
Environmental protection: IP class 66 and 67
Internal battery: Li Ion
Operating temperature: −10 to 50 °C
Protection: No influence from ambient light
Housing material: Anodized aluminium, plastics
Dimensions (WxHxD): 60x60x42 mm [2.36x2.36x1.65”]
Weight: 186 g [6.6 oz]
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