Tyre pressure monitoring system

Overview

This system adjusts and monitors tyre pressure during vehicle TPMS testing. Its functions, range and accuracy meet the requirements of Performance Requirements and Test Methods for Passenger Car Tyre Pressure Monitoring Systems, Annex B of JT/T 1178.2-2019, and JT/T 1429-2022, Technical Requirements and Test Methods for Tyre Pressure Monitoring Systems of Commercial Vehicles.

Supported tests

Tests under Performance Requirements and Test Methods for Passenger Car Tyre Pressure Monitoring Systems.
Single-tyre under-inflation alarm tests (5.2.3) and multiple-tyre under-inflation alarm tests (5.2.4) under JT/T 1429-2022.
Tyre under-inflation alarm tests (Annex B1.3) and over-inflation alarm tests (Annex B1.4) under JT/T 1178.2-2019, Safety Technical Specifications for Commercial Goods Vehicles — Part 2: Towing Vehicles and Trailers.

Technical specifications

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Tyre pressure monitoring system specifications

vehicle speed and time

Vehicle speed measurement range	0.3~400km/h
Vehicle speed measurement accuracy	±0.1km/h
Time measurement range	0-800s
Time measurement accuracy	±0.01s

Measurement and control unit

Target pressure	100～300kPa adjustable
Fine pressure adjustment range	1～3kPa
Pressure sensor range	0～1MPa
Pressure sensor accuracy	±3kPa
Wireless module	built-in slave wireless data module , configurable channels

wireless data module

Baseband frequency	2.4GHz
Communication distance	radius 50m
Communication interface	1 channel RS232, default baud rate 115200 ( selectable 57600,38400, 19200, 9600,4800,2400); 1 channel CAN, communication rate 125K, 250K, 500K, 1M adjustable ; Antenna connector : SMA;
Display method	0.91 inch OLED
Status indicators	3 units LED ( power supply , data transmission , data reception )

Driver multi-parameter display

Display screen	high contrast , high brightness , 5 inches , resolution : 800x480 pixels
Installation method	imported suction-cup mount
Equipment power supply	12VDC (9-36V wide input voltage )

System configuration

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Test host	One host
Remote tyre-pressure units	Four units
Host radio module	Wireless communication
Wheel adapters	Four sets
Driver display	Multi-parameter display
Digital tyre air pump	Inflation equipment