10 Best
Smakn Voltmeters
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Product Highlights
- The product is based on the detection water level of the pool (water tower) to control high current relay to achieve control pumping.
- Can steady achieve the pool (towers) automatically open the pump when lack of water, automatically stop the pump (solenoid valve) when full of water.
- This product is based on the actual use of domestic factories and pumping.
- With small, simple wiring, low power, high switching capacity, strong anti-interference function and high stability.
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Product Highlights
- Capacity stored function when data set is between the 1 to 9 group, the current capacity will be stored after power off. and the stored capacity will be accumulated after power on. when the data set is 0 group, the current capacity will be stored after power off. when power on next time, the stored mah is blinking displayed .when the new mah is up to 1 mah, the stored m...
- Current zero calibration function : the component aging and temperature variation after long-term use may appear tiny error when it measures small current. to avoid this error, you can keep pressing the button on the back to connect power supply in the no-load terms, until the three modes passes (as shown in the figure), then the led lights. the calibration is accomplished
- Note: it forbid for being used for inductive load, eg: the load with motor and fan. it can be used digital products, eg: mobile phone,power bank,usb flash drive and etc.. ; about quick charge mode, the meter can not be applied to the phone own charger. and this mode can be compatible with more than 98% of intelligent device while the usb port cannot transfer data
- Mode selection keep pressing the button first and then connect power supply. after the welcome window passed, you can set the three modes. when the mode you need appears, you can release the button. the mode selection is done when you see the bln flashes one time.
- Over-voltage and under-voltage reminding function: when the voltage is over 5.3v (less than 4.7v), the arrow () will be flashing to remind the voltage is too high (low). when the voltage becomes to 4.7v-5.3v, the arrow will be disappeared.
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Product Highlights
- Output voltage: dc: 6v, output current: 6a,36w power.
- Slim volume: 43mm * 25mm * 22mm (l * w * h).
- Input voltage: dc12v (wide voltage 8.5v-28v).
- Please long-term work load at 5a (30w) within use.
- Protection: input instant high voltage, output over-current, output short circuit, chip overheating protection.
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Product Highlights
- High efficiency: >96%; reliable, low heat dissipation max. 40 ;
- Light compact, convenient to use and transport; auto recovery
- All epoxy sealed containers with waterproof housing; non-isolated
- With overload / over-current / over / low voltage protection, stable performance.
- Widely used in car device, such as led display, hard disk player, mp3, dvd, gps, etc
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Product Highlights
- Power: 0.5w.
- Product use: detecting an angle of 80 degrees from the floor in black and white lines, you can reach 1m, angle of 90 degrees from the vertical ground detection, the farthest can reach 3m. (at different angles, the detection distance is different, through the lens to focus the development of appropriate detection distance).
- Power supply voltage: 5v.
- Temperature: -10 -90 .
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