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

Description : Blue 4 Digital LED Tachometer RPM Speed Meter with Hall Proximity Switch Sensor NPN Features : Easy to install, easy to use, cost-effective. High efficiency, low energy consumption. Use of long-life. Specification : Digital Color: Blue Tachometer dimension: 72 x 36 x 20mm Panel cutout Dimension: 68 x 33mm Measuring range: 5-9999 rev / minute Time Zero: Zero have time and selected measuring range relationship, the lower measuring range, the longer the time is reset to zero, whereas the shorter. Refresh rate: 0.25 seconds -0.06 seconds Measurement accuracy: Within about 2 to 5,000 rpm, 5,000 rpm above about 3 rpm or so Explicitly: 0.56 inch ultra-bright blue LED digital display Sensor wiring: Brown-Power; Blue-Power-; Black-Signal Operating temperature: 0 to 50C How to use : 1. First connect the sensor and wiring table. 2. When the sensor body close to the proximity switch when the light sensor (sensing distance is within the 5MM) indicating a signal input, a signal is received tachometer will show the speed value per minute. 3. We then turn the motor, when the magnet close to the Hall sensor, indicator lights, tachometer receives a signal sent is displayed. Package includeds : 1 x Tachometer 1 x Hall NPN Proximity Sensor 1 x Wiring Details pictures :