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SECUSTAR Hand Held Metal Detector MD-3003BI The hand held metal detectors designed can be used in both personal and public places. It can find out explore all kind of metals and explore the potential danger, su...
SECUSTAR Hand Held Metal Detector JC-1008 The hand held metal detectors designed can be used in both personal and public places. It can find out explore all kind of metals and explore the potential danger, such...
SECUSTAR Hand Held Metal Detector MD-3003BI The hand held metal detectors designed can be used in both personal and public places. It can find out explore all kind of metals and explore the potential danger, su...
SECUSTAR Hand Held Metal Detector JC-1008 The hand held metal detectors designed can be used in both personal and public places. It can find out explore all kind of metals and explore the potential danger, such...
ES20B portable high precision methane detector, is a method of continuous detection of methane gas concentration in the nature of safety equipment, the use of imported non dispersive infrared technology sensor,...
MS104K-S1 Protable Single Gas Detector OVERVIEW MS104K-S1 is a maintenance-free single gas detector, themost reliable, user-friendly, cost-effective detection solution forworker safety and operational complian...
Metal Detector for Security / Full Body Scanner Security Hand Held Metal Detector Description This Hand-Held Metal Detector combines high reliability and ergonomics with advanced detection and operator signalin...
Amazing Shooting Game 5D Cinema Simulator 5D Theater With Electric / Hydraulic System What is 5D Cinema Simulator 5D Theater? 5D interactive cinema is a creative cinema which integrates many kinds of technologi...
Light weight Portable Best Sensitivity Metal Detector For detecting Weapon / Gun GP008 Portable Metal Detector detection range Ultimate Sensitivity detection range 64 pistol 180-195 mm Little knife 150 mm Blad...
... for sensitivity, sound and light tips, energy-saving mode and detection mode programming settings 4,Weight: 0.35kg(including battery) 5,Material: shock-resistant, impact-resistant ABS plastic 6, alarm mode:...
... higher than the frequency detectable by humans. Sound waves are created by the vibration of an object, which causes the air molecules around it to vibrate. These vibrations cause our eardrums to vibrate, wh...
...vibrations per second as the frequency of the sound, and its unit is Hertz. The frequency of sound waves that we can hear in human ears is 20 to 20,000 Hz. When the vibration frequency of the sound wave is g...
... a sound vibrator at the pipe interface, a specific sound wave signal mixed with multiple frequencies is generated in the pipe. The signal is transmitted laterally along the pipe in both directions and verti...
... vibration sensor, sound detector, and filter. The frequency adjustment can effectively reduce the impact caused by the interference sound of other machines at the rescue site. The audio waves and vibration ...
...white MGO board at different densities and thicknesses on both sides, and polymer damping felt sandwiched between them to form damping constraint. The sound wave is transmitted in the solid through vibration...
... MGO board at different densities and thicknesses on both sides, and polymer damping felt sandwiched between them to form damping constraint. The sound wave is transmitted in the solid through vibration, so ...
... by detecting the physical vibrations with 130dB loud alarm sound and red indicator blinks Vibrating door and window alarms work by detecting the physical vibrations, with 130 dB loud alarm sound and red ind...