A Novel Contact Tunnel Profile Monitoring System: Concept and Application

Table 1

Main technical specifications of TPMS sensors.

Specification	Tilt sensor	Displacement sensor
Manufacturer	VI Tec (USA)	Honeywell (USA)
Sensor model	MEMS(micro-electro-mechanical systems)	MLT-38000101
Range	±5°	0∼50 mm
Accuracy	0.003°	0.01 mm
Input voltage	5.5∼15 Vdc	5.5∼15 Vdc
Output voltage	±2.5 Vdc	±2.5 Vdc
Operating temperature	−40∼+85°C	−40∼+80°C