4 Digital LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN

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Product Feature<br>100% brand new and high quality.<br>4-digits display, clear and easy for readings.<br>Mini size, high performance and fast reaction speed.<br>With good stability, high accuracy, anti-interference ability.<br>Using the latest A/D conversion chip, high stability reference IC and stick chip components.<br>It can be applied to voltage and current measurement, also can be an external sensor to measure temperature, pressure, displacement and other physical quantities.<br>Setting parameters will be memorized when power off.<br>Suitable for detecting the speed of every kind of motors.<br>Over-range display: the thousand unit display "1" or "-1", the last three do not show.<br>Product Specification<br>Display type<br>LED display<br>Voltage<br>DC8-24V<br>Current<br>30mA<br>Measurement range<br>10-9999rpm<br>Accuracy<br>0.1%<br>Clear zero time<br>About 10s<br>Display refresh rate<br>>3 times/sec<br>Size<br>about 80*25*40mm(L*W*H)<br>Installation size<br>about 76*39mm<br>LED color<br>red/blue<br>Detected objects<br>Magnet.<br>Detection range<br>1mm-10mm.<br>Proximity output current<br>20mA(For the sensor).<br>Operating temperature<br>-10 to 60°C.<br>Sensor size<br>60 x 10mm<br>Sensor wire length<br>1.2M<br>Magnet<br>10x2mm<br>Package Included<br>1 x LED Tachometer<br>1 x NPN hall proximity sensor<br>1 x Magnet<br>Location Descriptions<br>In order to improve buyer's purchasing experience and let the buyer receive items as soon as possible, we currently set three warehouses in diffirent cities of United States : one in Fremont, California; one in CITY OF INDUSTRY, California; one in Whippany, New Jersey. When the order is generated, we would send the item to the buyer from the nearest warehouse with sufficient inventory to the order receiving address. Hope you could get your item soon,if you have any problem,please contact us by email. Thanks for your understanding and support in advance!<br>