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- The voltage display module
- Refresh rate: About 200ms
- Work current: <20mA
- Display: Nixie tube
- Measurement range: 3.3V-30V
- Input impedance: About 100K
- Net weight: 5 g / 0.18 oz
- Size: 35 x 14 x 10 mm / 1.38 x 0.55 x 0.39 inch
- 1 x LED Module
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Extremely useful gadget, especialy at winter. Well built, good quality and refresh rate. Very bright
Works as intended. It's reasonably accurate (readings are close to what I measure with a cheap multimeter I own. Enough to monitor a power source
Very handy thing for DIY projects. Small mounting dimensions. Nice (blue) backlight. Quality workmanship. A very useful addition when need to mearsure the voltage.
Pros: This is a very usefull, precise and cheap device and it draws almost no
current. Possibility to calibrate with potentiometer at the back of the
Cons: The display is slightly more brighter when hooked up to 12v rather than
5v, but that's normal i quess, not really a con.
Other: I've hooked this up on a 11.1v Lithium battery, showed 11.0v after
24hours it showed 10.8, so this thing really draws little current.
Посылка шла очень долго, 3 месяца! Сам вольтметр маленький и очень яркий! Если использовать с защитным стеклом, то лучше использовать затемненное, чтобы избежать размывания. Частота обновления примерно 20 герц, заметно явное мерцание прибора. С одной стороны это минус для глаз, но с другой - никто не смотрит на вольтметр часами, а для маленького прибора экономия энергии - несомненный плюс. Точность пока не измерял, но примерно до 0,1 В в приборе уверен.
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