如果一個(gè)輪胎或者幾個(gè)輪胎的氣壓和溫度超出輪胎標(biāo)準(zhǔn)時(shí)，該系統(tǒng)顯示警示燈和警鈴警告司機(jī)。該系統(tǒng)也允許氣溫的對(duì)輪胎氣壓正常變化。輪胎壓力監(jiān)視器不僅可以幫助司機(jī)節(jié)省輪胎和燃油，而且可以提高行車安全。輪胎傳感器與接收器之間的信息傳輸是無線電頻率傳輸。 輪胎壓力監(jiān)視系統(tǒng)包括以下部分： 接收器 接收器電池 四個(gè)輪胎傳感器 四個(gè)輪胎傳感器緊固圈 四個(gè)Roadsnoop氣門嘴 接收器安裝帶 本使用說明書 Weight: 25 g Dimensions: 64x28x13 mm Battery type: CR2450N 540 mAh (not changeable) Operating voltage: 3.0 V Battery Life: approx. 150,000 km, depending on circumstances Range of operating temperature: -40... +125 °C Pressure measurement accuracy: +/- 12 kPa (+/- 0.12 bar in temperature range of –40...+100 °C) Temperature measurement accuracy: +/- 6 °C (in temperature range of –40...+120 °C) Activation speed: approx. 20 km/h depending on composition of wheel rim/tyre Maximum permitted driving speed: 250 km/h Transmission capacity: 6 dBm Frequency range: 433,92 MHz Modulation: OOK Data transmission speed: 9600 bps Nominal transmission interval: 14s Operating time after vehicle has stopped: 15 min