Digital Speedometer, 4 Digits LED Display + NPN Proximity Sensor for Measuring Temperature, Pressure, Physical Amount (Red/Blue) (Red)
Digital Speedometer, 4 Digits LED Display + NPN Proximity Sensor for Measuring Temperature, Pressure, Physical Amount (Red/Blue) (Red)
Product Features
- Standard Size The speedometer is the standard size, which is convenient to install and suitable for many projects.
- HIGH PRECISION This speedometer has good stability, high precision (0.1%) and strong anti-interference ability.
- Input pulse signal: open NPN/PNP collector, switch, non-contact switch, level pulse.
- Wide application: suitable for all kinds of digital instruments. Can be used in many places.
- Wide measuring range: Frequency: 9999 Hz, 999.9 Hz, 99.99 kHz, automatic switch selection.