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Bosch Quigo Self-Levelling Cross-Line Laser Level
Bosch Quigo Self-Levelling Cross-Line Laser Level
Offered by holywell tools
Price: 53.98

3 of 3 people found the following review helpful
4.0 out of 5 stars Cheap, robust and accurate but limited, 10 Dec 2012
Ideal for indoors use and perhaps some limited outdoors use under darker conditions. Professional versions start in the 100's of pounds but have only 2-3 times the accuracy. Bosch has achieved this with a simple passive design that suspends a plumbed laser in a gimbal. The sliding lens cover acts as both a lock for the gimbal and an off switch. So when you turn the level off, it also protects the gimbal from being damaged when it's moved. The accuracy of this device seems to be about what they claim (0.8mm/m) when i compared it (took seconds) against a painstakingly leveled line i had made several weeks ago (which took me about 15 minutes). Its fast, seems accurate, is very simple to use and the design is clever enough to protect it against mistreatment. And its very very cheap compared to more sophisticated models.

And now for the disadvantages. The biggest problem is that the laser is not very bright. I used it in my sunlight lounge in the early afternoon (very bright) and the beam was only visible to about 3 meters. I haven't tried it outdoors yet but i imagine it has a similar problem there. In the late afternoon sun the range went to about 5 meters (as advertised) and at night with lights on the range was over 10m. Second problem, the beam is not particularly fine. At 5 meters its about 2-3mm wide, roughly the same level as the intrinsic error of the device at that range. The device is also only self-correcting when its within 4 degrees of being level but the device has a red-light warning you when this is a problem, so its only a minor issue. Finally, the provided tripod/stand is not particularly useful except for hanging off a chair or table, so borrow a camera tripod if you want to do anything more challenging with it.

This definitely fills a niche for home users who cant/wont spend the money for a professional device that is probably overkill anyway.

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