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  • 09/01/2020

    L'ordine è arrivato bene, un po 'di problemi con il monitoraggio, ma questo è un pacchetto. Avere un tachimetro è uno strumento fondamentale per qualsiasi modello di aeromobile che dispone di motori nitro o gasser per carburare meglio i motori. Non l'ho ancora provato ma ho già avuto altri prodotti di questo brand e non ho mai avuto problemi. Consiglio di avere uno tra lo strumento hobby di base

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  • 17/10/2017

    the battery that was in the device was flat but you get an extra one in the packet. just need to unscrew the 4 screws and take off the bottom cover and replace the battery. the one button puts it on and the other one you can select from 2 to 9 blades to measure the rpm. good product banggood!

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  • 04/12/2016

    Excellent tachometer and very accurate. Make the test with a neon tube. Set the tachometer on "2 blades" and point it toward a single neon tube. It will indicate exactly 3000 RPM. The tube is fed with 220 V AC 50Hz. That means 3000 cycles per minute and that means 6000 lightnings per minutes (and 6000 switching off). The instrument is set on "2 blades", so it will indicate 6000/2 = 3000. And if you set it on "6 blades" it will indicate 1000 RPM. A very good tachometer indeed.

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  • 07/11/2014

    It works and seems to be in the right ball park, but of course it’s hard to know just how accurate it is without something to check it against. Since it is photo-optical, it relies on being able to see the contrast between the prop passing in front of it and the background beyond. Keep in mind that for accuracy, the “background” light source should be constant and stable, preferably the sun, since it will see the flicker of intermittent lights like florescent, LED, etc. The little round plastic end piece houses a small plastic lens that must be pointed at the spinning prop within 10cm distance, which means leaving the 40cm strap attached is probably a bad idea! The piece just “snaps” on and mine arrived cracked so that it easily falls off dropping the lens. I had to put a piece of tape around it. Otherwise, the rest of the unit is pretty solid. Either button turns it on, long-press Set button turns on blue backlight. LCD is clearest from a little below center view since it goes from hard to read at center to impossible to read from above. Oh, and it actually weighs 45g without the death strap. It does the job, no mental math necessary like with generic RPM meters, it’s OK for what it is.

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  • 15/01/2020

    Retroilluminazione blu è cool!

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  • 27/03/2019


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  • 16/08/2017

    Produto de excelente qualidade.

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  • 18/02/2019

    Seems to work well. Select number of blades, then point at prop/rotor and take reading. Very easy and seems to be accurate. I dont care for the power button placement and battery location. It's very easy to accidentally press the power button, such as when it's in my toolbox. Must unscrew back plate to access battery (no separate battery compartment lid). Takes CR2032 button cell, which are expensive, so accidental power on and battery drain is a concern. I plan to 3D print a storage case

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  • 01/03/2017

    I'm relatively satisfied with the quality ot the tachometer. The accuracy depends on the distance from the propelers. Nice product with fast delivery. I recommend!

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  • 11/01/2016

    got this in 2-3 wks. good packing and arrived in normal condition, bnot damaged. v usefull tool as this is my second tach meter. will use it to measure rpm for my gasser planes and fbl helis.

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