一、 YHJ-800激光指向仪采用半导体激光器作为光源，功耗低、光束重量好、体积小、重量轻、安装使用简便、性能稳定可靠，可广泛用于矿山巷道掘进时的指向定位以及公路、铁路、隧道、涵洞、桥梁、高层建筑、管道安装的定位、准直等。

 YHJ-800 laser using semiconductor laser as the light source, low power consumption, light weight, small volume, light weight, convenient installation and use, stable and reliable performance, can be widely used in mine roadway excavation of highway, railway, points to the orientation and tunnels, culverts, bridges, high-rise buildings, pipe installation location, alignment.

 二、YHJ-800激光指向仪特点：Features

1. 、安装方便、供电电压宽，适用交流供电方式。

easy installing, IV power supply, supply voltage in broad range

2. 有过压、过流、过载保护装置，安全可靠。

protective device for over—voltage, over—current and over—carrying

3. 射程可根据要求，红、绿光束500m—1000m任选。

free choice for beams from 500m—1000m

4. 调节方便，准直**度高，外部自锁。

easy adjusting high collimation precision, extra locked

5. 二次滤波整流激光器寿命更长

a longer life if re—filtered fectification 

Tai'an Dingxin Mine Equipment Co., Ltd. mainly engaged in:

皮带机传感器、矿用气体传感器、通讯信号类、煤矿安全监测监控

Belt conveyor for coal mine gas sensor, sensor, communication signal, coal mine safety monitoring

矿用仪器仪表、仪表及传感器校验设备、安全防护装备

Mine instrument, instrument and sensor calibration equipment, safety equipment

供水降尘设备、通风防尘设备

Water dust equipment, ventilation and dust prevention device

LED照明类、矿用本安接线盒、高压接线盒、低压接线盒、防爆电器设备

LED lighting, mine intrinsically safe wiring box, high voltage junction box, low voltage wiring box, explosion-proof electrical equipment

钻机钻具、液压设备、支护设备、混凝土支护设备、砂浆注浆泵

Drilling, hydraulic equipment, support equipment, concrete supporting equipment, mortar grouting pump

轨道交通设备及器材、矿车配件、风动潜水泵、矿用钢材

Rail transportation equipment and equipment, car accessories, pneumatic submersible pump, mine steel