Motionscout instrument K-R [key vers, manual reset] PN: 10088476 used to wear on people when working in enclosed spaces. The device will automatically trigger an alarm when the person is motionless.
MotionSCOUT K-R [key vers, manual reset] PN: 10088476 has a removable key, usually someone on duty outside will hold the key. When there is an alarm to activate the rescue, only when it is safe to insert the key to turn off the alarm.
Product of MSA USA, made in factory in China
Gas detector Altair 4X and Altair 4XR have built-in Motion Alert feature in the machine, the same to a Motion SCOUT
How to use Motion SCOUT here