Measurement Sturdy Wide Application Hall Effect Sensor 4 Digital RPM Speed Meter Panel Tachometer for Ships Specifications: Featuring a Hall sensor and magnet, this digital tachometer offers high accuracy, fast response, good stability, and strong anti-interference capability. It is a digital tachometer with measuring range of 10-9999RPM, power supply of 8-24V, current of 30mA. The external appearance adopts standard size, which is convenient to install and easy to use. It is made of plastic, electronic component and magnet material, and it is durable and anti-corrosive. The length of the tachometer is 7.9 cm, the width is 4.1 cm, the height is 2.1 cm. The length of the inductor is 6 cm, the width is 1 cm. The length of the sensor cable is 120 cm. The length of the magnet is 1 cm, the width is 0.2 cm. This digital tachometer can be applicable to various applications of RPM speed measurement. Item Name: Vehicle Tachometer Material: Magnet Appearance Color: Black LED Color: Blue, Red Display Mode: LED Display Voltage: DC8-24V Current: 30mA Proximity Output Current: 20mA (for Sensor) Measuring Range: 10-9999RPM Accuracy: 0.1 Percent Clear Time: About 10 Seconds Display Refresh Rate: 3 Times/Sec. Detection Range: 1 mm-10 mm Working Temperature: -10 to 60 Degrees Celsius Features: High Accuracy, Wide Application, Easy to Install Size Details: Tachometer Size: 7.9cm x 4.1cm x 2.1cm/3.11 x 1.61 x 0.83 (Approx.) Inductor Size: 6cm x 1cm/2.36 x 0.39 (Approx.) Sensor Cable Length: 120cm/47.24 (Approx.) Magnet Size: 1cm x 0.2cm/0.39 x 0.08 (Approx.) Notes: Due to the light and screen setting difference, the item s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Vehicle Tachometer 1 x Hall Sensor 1 x Manet