SensorsPhysical ScienceGDX-VPGCollegeHigh SchoolMiddle School
Go Direct® Photogate
Go Direct Photogate is a double-gate sensor that includes two photogates built into the arms of the sensor, which accurately measures velocity and acceleration. It connects via Bluetooth ® wireless technology or via USB to your device.
Technical Specifications
Battery650 mAh Li-Poly Rechargeable Battery life (single full charge): ~10 hours continuous data collection Battery life (long term): ~300 full charge cycles (several years depending on
Accuracy±1.0% FS
Resolution1 μs
ConnectivityBluetooth / USB
Infrared SourcePeak at 880 nm Gate width: 77.5 mm Internal gate separation: 20 mm Distance from internal gates to bottom of photogate arms: ~10 mm Distance from internal gates to sides of photogate arms: ~5 mm Gate LED indicators: Off for unblocked gate, on for blocked gate
IB Curriculum
Curriculum Alignment
A.1SL + HL
Kinematics
Space, time and motion
Graph MatchingBack and Forth Motion
Direct alignment
PHY-H4MYP 4–5
How Far, How Fast - Kinematics in Depth
Movement & Patterns
Picket Fence Free Fall (GDX-VPG)Cart on a Ramp (GDX-MD)
Direct alignment