Measurement of temp. in air cooler, cooling water pipeline and oil pipeline etc. It's applicable to the condition of narrow space and complicated wire splice. Stainless quick connector with protection class IP67 can keep sealed steadily inside of connector and long-time dustproof and waterproof. Helical coil plated with NiCu guarantee the stable connection. Anti-vibration spring connection inside of connector can achieve quick connection and clearance. Sensor element of chip, laser beam wielding technique, antivibration, high stability.