User's Manual
®
Model No.CI-6538 Quick Start
2
012-13990A
Quick Start
• Plug the Sensor Phone Plugs into two adjacent DIGITAL
INPUT ports of a PASCO interface (such as the 850 Univer-
sal Interface). For example, plug the yellow plug into DIGI-
TAL INPUT 1 and the black plug into DIGITAL INPUT 2.
• NOTE: If you are using a PASPORT-only PASCO interface,
connect the Sensor Phone Plugs to the PS-2159 PASPORT
Digital Adapter and then plug the adapter into the interface.
• Start the PASCO data acquisition software (such as PASCO
Capstone). Set up a data display in the software.
• Click “Record” or touch ‘Start’ to begin recording data. Turn the shaft of the Rotary Motion Sensor.
Introduction
The ScienceWorkshop CI-6538 Rotary Motion Sensor is a versatile position and motion measuring device. It
measures angles to a resolution of 0.09°, and detects the direction of motion. Markings on the outside of the case
indicate which is the default positive direction. The optical code wheel inside the sensor has 4000 divisions per
revolution (360°), and the maximum speed is 30 revolutions per second.
The sensor comes with a removable three-step pulley (10 millimeter (mm), 29 mm, and 48 mm diameters), and a
rubber “O”-ring that fits into the largest diameter step. The three-step pulley can be attached to either end of the
shaft, and can be placed large-diameter down or large-diameter up on the shaft. A tab on the inside of the pulley
matches a notch on the outside of the shaft. The pulley has a notch and a small hole in the outer edge of the larg-
est and second largest steps for attaching a string. The thumbscrew hex key tool can be used to remove the rod
clamp from the end of the sensor so it can be mounted on either the right-hand or left-hand side.
The end of the sensor where the cord exits the case has a platform for mounting a Super Pulley with Table Clamp
(not included). The T-slot through the sensor is for inserting the optional Linear Motion Accessory rack
(CI-6888). The gear teeth on the rack mesh with the gear teeth on the optical code wheel inside the sensor.
Equipment used with the sensor Equipment used with the sensor
Mini-Rotational Accessory (CI-6691) Physical Pendulum Set (ME-9833)
Linear Motion Accessory (CI-6888) Torsion Pendulum Accessory (ME-6894)
Chaos/Driven Harmonic Accessory (CI-6689A) Track String Adapter (ME-6569)
“A” Base Rotational Adapter (CI-6690 Centripetal Force Pendulum (ME-9821)
Gyroscope Mounting Bracket (ME-8963) Linear Translator (OS-8535)
Dynamics Track Mount Accessory (CI-6692) Polarization Analyzer (OS-8533A)
Three-Step Pulley Accessory (CI-6693) Computer-Based Thermal Expansion (TD-8579)
Rotating Platform (ME-8951) Three-Axis Gyroscope (ME-8960)
Sensor Pho-
non Plugs
DIGITAL
INPUT ports
Black Plug
Yellow Plug
• SETUP: For more information on setting up the software and recording data, refer to the
Online Help System and the User’s Guide for the data acquisition software.