| 型号 | TH-LM3（停售） | TH-LM1 |
| 检测距离及检测区域直径 | 2-8米；23cm |
| 对水平线的安装角度 | 30-80度 |
| 电源及功耗 | DC12-24V； 0.6W |
| 工作温度和湿度 | 温度：-40 ºC 至 +60 ºC ； 湿度：0 至 95% |
| 积水厚度 | - | 0-10 mm |
| 覆冰厚度 | - | 0-2 mm |
| 积雪厚度 | - | 0-2 mm |
| 湿滑程度 | - | 0.01（湿滑）-0.82（摩擦强） |
| 路面状态报告 | 干燥、 潮、 湿、 雪、 冰、 冰水混合 |
| 公路天气现象（选配） | 路面温度： -40 ºC 至 +60 ºC |
| 天气现象: 雨；雪；大雾 |
| 路面材料 | 混凝土、沥青路面 |
| 通讯 | RS485、RS232 |
Shandong Tianhe Environmental Technology Co., Ltd. is a high-tech enterprise integrating R & D, production, sales and service of agricultural application instruments such as food safety testing instruments and soil nutrient testing instruments. The company is headquartered in Weifang City, Shandong Province. At present, the company has the ability to mass produce a series of automatic meteorological and environmental monitoring stations, various detection sensors and maintenance support equipment. The products have been widely used in many fields such as meteorology, forestry, agriculture, scientific research, large and medium-sized colleges and universities, and maintain a good customer reputation.
