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There are two types of rangefinders, one is a handheld rangefinder and the other is a telescope rangefinder. The method of using the handheld rangefinder is: when I want to measure another target, I first shoot infrar

(1) Place the instrument First place the theodolite on the measuring station, after centering and leveling, install the rangefinder mainframe on the theodolite bracket, lock it with the connector fixing screw, insert the

The infrared range finders uses the principle that the reflection intensity of the infrared signal is different when it encounters an obstacle. In the rangefinder there are infrared signal transmitting and receiving diod

Night Vision Laser  | The characteristics and advantages of laser cameras are mainly reflected in several aspects: The first is the monitoring distance. Laser cameras can be divided into short-range laser cameras

The laser camera is equipped with a laser light source on the surveillance camera. The laser light adopts the uniform spot enhancement technology and the spot automatic focusing technology, which has the advantages of st