Road Surface Temperature Sensor

1、Road Surface Temperature Sensor Product Introduction

Road Surface Temperature Sensor is used on asphalt and concrete roads and uses optical technology to measure the road surface temperature.HW1 is an integrated infrared temperature detector. The optical system and electronic circuitry are integrated into a metal housing. A protective cover is easily installed, and the 90° adjustable bracket allows for continuous measurement in a variety of field conditions.

HW1 internally consists of a thermopile and a thermistor. All objects continuously emit infrared radiation energy into the surrounding space. By measuring this infrared energy, the surface temperature can be accurately determined. This is the principle of non-contact infrared temperature measurement. The greatest advantage of infrared thermometers is that they can calculate the surface temperature of an object by measuring the intensity of the infrared radiation emitted by the target without any contact.

2、Road Surface Temperature Sensor Applications

Remote measurement of highway pavement temperature

Bridge deck temperature monitoring

Plant canopy temperature monitoring

Grass, soil surface, or snow surface temperature monitoring

3、Road Surface Temperature Sensor Technical Parameters

Measurement Range: -38°C–70°C

Measurement Accuracy: ±1% or ±1°C

Viewing Angle: D:S = 8:1

Display Resolution: 0.1°C

Response Time: 1 second

Operating Band: 8–14µm

Output: RS485

Communication Protocol: ModBus

Operating Conditions: -40–80°C; 0–100% RH

Power Supply: 12V DC

Power Consumption: 5mA @ 12V DC (Normal Operating Mode)