How to maintain the explosive trace detector?The portable explosive trace detector/narcotics trace detector fills the increasing demand of security professionals for detecting various dangerous substances and adapting to changes in threats, with portability and flexibility. Through the single-tube d
How to maintain infrared thermometer box?An infrared thermometer is a thermometer that measures body temperature by infrared rays. It can be divided into contact type and non-contact type. The infrared thermometer measures temperature, which is relatively safe and accurate, suitable for use by the e
How accurate is infrared thermometer box?Is the infrared thermometer accurate? An infrared thermometer is a kind of thermometer that uses the principle of infrared to measure body temperature. The components of the infrared thermometer are mainly electronic accessories, so the accuracy of the infrar
Does wind affect a walk-through metal detector?You may have the doubt whether wind affect a walk-through metal detector or not, let us read and see.This passage is going to talk about the following questions of the security of walk-through metal detectors:What is walk-though mental detector?Why do s
What are the types of underground utility vehicle?In addition to the main mining machinery such as drilling rigs and bolting rigs, anchor trucks, LHD trucks and tractors, other self-propelled vehicles also play an important role in modern mining and tunnel construction; these special machines are de
How sensitive are walk through metal detectors?With the continuous advancement of technology, in general, the sensitivity of the walk through metal detector is still very high. But the sensitivity of each detector is different, and it can be adjusted, so we need to understand the factors that affect