background image

Model No. PS-2148

IR Sensor

Specifications

Safety

Read the instructions before using this 
product. Students should be supervised 
by their instructors. When using this 
product, follow the instructions in this 
manual and all local safety guidelines 
that apply to you.

Technical Support

For assistance with any PASCO product, 
contact PASCO at:

Address: PASCO scientific

10101 Foothills Blvd.
Roseville, CA 95747-7100

Phone: (916) 786-3800

(800) 772-8700

Fax: (916) 786-3292

Web: www.pasco.com

Email: [email protected]

Limited Warranty

For a description of the product warranty, 
see the PASCO catalog.

Copyright Notice

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 manual, 
providing the reproductions are used only in 
their laboratories and classrooms, and are not 
sold for profit. Reproduction under any other 
circumstances, without the written consent 
of PASCO scientific, is prohibited.

Active Area 
Size

1.5 

×

 1.5 mm

Element Area

2.25 mm

2

Number of 
Thermocouple 
Junctions

120

Field of View

48

°

 or 92

°

 (see “Field of 

View” on page 4 for 
description)

Intensity 
Range

-500 to 4500 W/m

max.

0 to 1000 W/m

2

 linear

Spectral 
response

flat from 0.7 to 30 

µ

m

Window 
Material

KRS-5 (see transmittance 
graph on page 8)

Encapsulating 
Gas

nitrogen

Responsivity

31 ± 7 V/ W

Author: Alec Ogston

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: ......

Reviews: