The only earthquake detector endorsed by ARTI, the American Rescue Team International(Click here to see the endorsement from ARTI)For: Homes, offices and school classroomsModel # QA-2000. Provides early warning by detecting an earthquake's sound wave before the earthquake's destructive shear wave strikes your area.Fully adjustable sensitivity setting.Automatically resets and shuts off alarm when earthquake stops.Mounts easily to wall. No screws, nails or tools required.Operates off a 9-volt battery.6" high x 3" wide x 1-1/4" deepLoud distinctive alarm to wake you up.Monitors aftershocks.Offers peace of mind and keeps you informed.Can detect earthquakes that occur many miles away.Saves valuable seconds by removing the normal guesswork involved in earthquake detection.Patented reverse pendulum detection system.
The only earthquake detector endorsed by ARTI, the American Rescue Team International(Click here to
In the fields of biological sample storage, medical cold chain transportation, and laboratory research, the normal operation of liquid nitrogen tanks is crucial for the cryogenic storage of biological samples such as cells, embryos, and frozen sperm. However, there are many ...
In the laboratory, some samples need to be stored at low temperatures, and liquid nitrogen storage tanks are usually used. Its normal operation requires a certain amount of liquid nitrogen in the container to ensure the safety of the samples. However, liquid nitrogen is easily ...
Come From Tianchi Cryogenic Machinery Equipment Manufacturing
Theliquid nitrogen level alarm is a monitoring instrument used to sense temperature changes and liquid level heights in various low-temperature liquid nitrogen containers. When the liquid level in the liquid nitrogen tank drops to a certain level, the alarm device will be ...