Proviso Systems Ltd

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Measurement system for all types of geometric measurement

This system can be used to carry out all the most common geometric measurements; straightness, flatness, squareness, plumb and level. Measurement is quick and precise. Displayed resolution is 0.001 mm [0.05 mils]. The laser transmitter is our well known big seller, the D22 with levelling table, strong magnetic feet, and a range of up to 40 m. The transmitter's laser beam can be compared to an absolutely straight and weightless ruler, that is to say a perfect starting point for precision measurement. The swivelling laser head gives a laser plane parallel to the measured object and can also angle the laser beam 90° to the sweep for squareness measurement.

The display unit has a large and clear 5.7" colour screen. The programs guide you step-by-step through the measuring process, which makes it easy even for inexperienced users. The system can provide full documentation, with direct generation of PDF reports, and database programs for PC for example. The detector transfers the measurement data to the display unit wirelessly, or by cable if required. The advantages of wireless are especially clear on mechanical constructions and objects where cables can snag or get in the way.

The most common method is to fix the laser transmitter to the measurement object using the mounting magnets, or mounting it on a tripod (accessory) to one side. A pin is also provided to secure the laser transmitter to a machine spindle or equivalent, to check straightness and spindle alignment for example.

Easy-Laser® E920 is a complete system in itself, with laser transmitter, detector and display unit. But it is also an excellent starting point for creating a measurement system that suits your specific needs and requirements, because all the measurement programs are included as standard! Add extra laser transmitters, measuring units and brackets as well as other accessories from the wide Easy-Laser® range. Now or in the future.

E920 Geometric

1 Laser transmitter D22
1 Detector E7
1 Display unit E51
1 Bluetooth® unit
1 Cable 2 m
1 Cable 5 m (extension)
1 Machine spindle pin
1 Safety strap for laser transmitter
2 Targets for rough alignment
1 Magnet base with turnable head
1 Set of rods (6x60 mm, 6x120 mm)
1 Offset bracket
1 Manual
1 Quick manual
1 Measuring tape 5 m
1 USB memory stick
1 USB cable
1 Battery charger (100–240 V AC)
1 Toolbox
1 Cleaning cloth for optics
1 EasyLink™ Windows® program (CD)
1 Carrying case


  1. Complete geometric system with laser transmitter, detector and display unit
  2. Includes all our measurement programs
  3. Bluetooth® wireless connection enables you to work more freely
  4. Program that guides you through the measuring procedure speeds up work
  5. Expandable with the rest of the Easy-Laser® E-series range
  6. 3 year warranty

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