Digital 4 Digit LED Speedometer, Tachometer with Hall Proximity Sensor, NPN/PNP Input, Red/Blue Display, Range 10-9999 - ShopVlot

High-precision RPM measurement: This 4-digit digital LED speedometer provides ±0.1% accuracy over a range of 10-9999RPM with automatic frequency switching (9999Hz/99.99kHz) for precise speed monitoring in motors, motors and industrial devices. Dual NPN/PNP Sensor Compatibility: Equipped with a Hall proximity sensor and the supporting NPN/PNP open-collector inputs (4-30V) this digital LED tachometer works with Connect/Nicht-Connect switches and provides a versatile installation for autodiagnostic