The speedometer consists of a movement mechanism, odometer, and casing. It features a robust structure, excellent shock resistance, and long service life. This instrument is used to indicate locomotive or EMU operating parameters such as speed, voltage, and current. It is widely applied across various metro and urban rail transit systems.
Item | Specification |
Accuracy | ±1.5% |
Internal Illumination | LED lighting, 24VDC or 110VDC |
Operating Environment | -25°C to +50°C, relative humidity not exceeding 95% |
Insulation Strength | 1000V, 50Hz AC, duration 1 minute |
Vibration Resistance | Class B (TB/T3058) |
Protection Rating | Front panel: IP54, Connector: IP40 |
Weight | Not more than 0.8 kg |
Connector | 0.8 × 6.3 plug-in terminal |