Pasco #1728 2″ Pressure Gauge 0-60 New in Box
as pictured;
New PASCO Wireless Motion Sensor PS-3219
And, without cables to get in the way, students can extend their studies with handheld and ceiling-mounted applications! The Wireless Motion Sensor uses echolocation, similar to a dolphin or bat. The sensor listens for a signature ‘echo’ which reflects off the object’s surface.