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Instruction Manual

No. 012-08852A

IR Sensor

PS-2148

Introduction

The PASPORT IR Sensor measures infrared radiation intensity over a broad spectrum, 
allowing students to study a variety of phenomena including blackbody radiation, the 
Stefan-Boltzmann law, heat flow by radiation, solar radiance and non-contact temperature 
measurement. 

Included Equipment

Part Number

IR Sensor

PS-2148

Shutter with thumbscrew and washer

003-08860

Sensor Handle

CI-9874 (4-pack)

Additional Equipment Required

PASPORT interface

See PASCO catalog or www.pasco.com

DataStudio or DataStudio Lite

(required for computer-based data collection)

See PASCO catalog or www.pasco.com
DS Lite available for free download

Additional Equipment Recommended

PASPORT Extension Cord

PS-2500

Aperture Bracket

OS-8534

Thermal Cavity

TD-8580

IR

L

IG

HT

PS-2148

Sensor Handle

IR Sensor

Shutter

Thumbscrew

& Washer

Summary of Contents for PASPORT PS-2148

Page 1: ...ded Equipment Part Number IR Sensor PS 2148 Shutter with thumbscrew and washer 003 08860 Sensor Handle CI 9874 4 pack Additional Equipment Required PASPORT interface See PASCO catalog or www pasco com...

Page 2: ...o the 20 threaded connector on the sensor This connector can also be used with any other 20 screw It is not always necessary to attach the shutter but it can be useful to control the detector temperat...

Page 3: ...e V that is proportional to T If the sensor is warmer than the target source then net power flows out of the sensor and T and V are negative The net radiated power P is proportional the power flow thr...

Page 4: ...ces of radiation that you wish to ignore should be outside of the 92 field of view The Aperture Bracket OS 8534 can be used to further limit the field of view Power and Intensity The sensor measures n...

Page 5: ...ties of the particular sensor used deviation of the target surface from an ideal blackbody and any intervening medium such as air For more accurate results the value of k should be empirically determi...

Page 6: ...erature has decreased by 20 K or more Stop data collection Apply a linear fit to the graph of Ts 4 Td 4 versus voltage The slope of the best fit line equals k Using this value of k create a calculatio...

Page 7: ...What is its surface temperature Intensity vs Distance Graph intensity as a function of distance How does a point source such as the filament of a small light bulb compare to a larger source such as a...

Page 8: ...s do not have to be in contact for this to occur because heat can be transferred through radiation Measure the net radiation intensity of an object that is cooler than the sensor In what direction is...

Page 9: ...The PASCO scientific 012 08852A IR Sensor Instruction Manual is copyrighted with all rights reserved Permission is granted to non profit educational institutions for reproduction of any part of this m...

Page 10: ......

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