Features: 1. The product adopts 32-bit microcontroller and graded M/T speed measuring algorithm, taking into account the high and low speeds. 2. The product has both speed measurement and counting function, which can be used as both speed measurement and counter. 3. The product can be mounted on the guide rail or screw-fixed, and can be connected to the sound and light alarm device, which is very convenient to use. 4. The product has RS485 MODSBU communication function, which can communicate with PLC and other controllers. 5. High-speed optocoupler is used for isolation to increase the anti-interference ability 6. 6-bit 0.56-inch large digital tube, the display is clearer Parameter: Product name: five-way speed checker Working voltage: DC12-24V Measurement mode: non-contact measurement Host current: 30mA Package include: Five-way tachometer *1 RPM sensor*1+magnet*1 (optional)