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The Vernier photogate is used for speed and acceleration measurements of objects passing through the gate. The object blocks an infrared beam as it passes. Motion data can be determined in software from the timing of beam blocking.
This general-purpose photogate can be used for a wide variety of experiments in physics and physical science classes including:
• measuring freefall acceleration
• studying the swing of a pendulum
• measuring the speed of a rolling object
• timing the period of a rotating object
• measuring the speed of objects undergoing collisions
Vernier photogates can be connected in a daisy-chain configuration of up to four photogates connected one to another with the last one directly connected to the interface.
The Vernier photogate works both as a traditional photogate for objects passing between the gate arms and as a laser gate for objects passing outside of the gate.
The laser gate mode requires a common pen laser (sold separately) which is directed into the laser port. A mechanical shutter is used to block the internal gate, switching the device to laser gate mode. The laser may be some distance from the gate so that you can measure the speed of larger objects such as a rocket, model car or even a real car.
COMPATIBILITY CHECK and Set Up Guide for your Vernier sensor, interface and software:
• Vernier Photogate
• Interface cable
• Accessory rod for mounting to a ring stand
• Power required: 5V DC at 40mA
• Infrared source: Peak at 880nm
• Dimension: 75mm gate width
• Output is high and LED off for unblocked gate
• Output is low and LED on for blocked gate
• Beam approximately 9mm from the end of the gate arms
Download the current Vernier K-12 Catalogue
Download the current Vernier University Catalogue
Educational use only:
Vernier and Kidwind products are designed for educational use. They are not appropriate for industrial, medical or commercial applications. Details