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Старый 03.05.2011, 23:23 Автор темы   1
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Аватар для HKJ
 
Регистрация: 03.07.2010
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По умолчанию Klarus Mi10, stainless stell AAA light without flashing modes.

Klarus Mi10





Klarus is one of the newer flashlight companies, but they already have a number of lights, both in aluminium and stainless steel. This light is an AAA light with 3 levels and no flashing modes. The user interface is the usual AAA interface with tighten and loosing of the head. The light always starts at low and has a low-medium-high sequence.



The light is delivered in a small cardboard box with a window and selected specifications printed on the box (The runtime and brightness is not for the same level).



The box contains the light, a split ring, a spare o-ring and the manual.



The light has a OP (Orange Peel) reflector with the XP-E led at the bottom.



The head is smooth except for some groves. The actual light engine is mounted in a brass insert that also has the threads and o-ring. Using brass for threads gives a very good quality threads.



The battery connection in the head is surrounded by a black soft ring, this ring will reduce battery rattle and work as a mechanical polarity protection. This light does not use the standard ring on the circuit board for power connection and on/off, it looks like the switching is done by breaking the battery connection, both at the top and bottom.



The inside of the battery tube, it also has a soft ring. There is no spring, but the connection has some flexibility.



The outside of the battery tube has knurling and gives a good grip on the light.



The backend of the light is made for use on a key chain (Use the supplied split ring between the key chain and the light). On plain surfaces it is just about possible to tail stand the light.



Here is all the part the light can be disassembled in without tools.



This light looks very much like another stainless steel light, both outside and inside, except for the flashing modes. They uses the same amount of power, but the ReVO is brighter because it uses a newer (better bin) led. I have also done a full review of the ReVO.


This light is a solid and well performing keychain light, the stainless steel secures that it can survive around keys.



Technical specification and measurements



This light is designed for 1.5 volt AAA batteries (Alkaline, NiMH, Lithium).

Measured size and weight:
Length: 72 mm
Diameter: 12.8 mm
Weight: 33.8 gram with eneloop

The light uses a Cree XP-E R2 led.



In the above table I have used 800mAh eneloop batteries for measuring and estimating the runtime. The estimated lumen are based on the specified 77 lumen and then scaled according to measured brightness. High will automatic be reduced after some minutes.
Note: The above table is based on values at 1.2 volt.



I have automated the method I uses for voltage sweep, this has made it possible to use much higher resolution, add a power curve and do runs at different brightness settings. The light tries to stabilize the brightness down to 0.82 volt. The maximum current draw is around 1.75 ampere, but will drop when the battery voltage goes down, this prevents the light from turning off when the battery is nearly empty, instead it will run with low brightness for some time.



The reduced high output works the same way, but stabilizes down to 0.75 volt.



Medium can keep the stabilization down to 0.5 volt.



Low will stabilize down to 0.42 volt.



The boost regulator is not filtered, this can be measured in the output (the frequency is too high to be visible).



The runtime clearly shows that the light reduces brightness after some time and that alkaline has a very short runtime (on high).


The light uses current control and has no flashing modes.




Comparison to other Flashlights

TITANER ET20 XP-G R5, Fenix LD01 SS XP-G R5, 4Sevens Preon Revo SS XP-G R4 NW


4Sevens Preon Ti XP-G R5, Olight Xmas 2010 XP-G S2, Klarus Mi10 XP-E R2


For the full comparison to other lights with graphs and beamshots see here.
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My website with reviews of charges, batteries and other stuff: http://www.lygte-info.dk/
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