Pasco OS-8542 BLACK BODY LIGHT SOURCE Manuel d'utilisateur télécharger pdf (Page 10)

Black Body Instruction Manual 012-07105B

4. Replace the Light Sensor with the Infrared Sensor and

Infrared Filter

To observe infrared wavelengths, use the Infrared Sensor

instead of the High Sensitivity Light Sensor. The filter prevents

the infrared sensor from detecting objects in the room (such as

people’s hands), but still allows the sensor to detect hotter

objects (such as a light source).

a) To replace the High Sensitivity Light Sensor, rotate the

threaded post clockwise to loosen the attachment and

remove the light sensor.

b) Place the base of the filter bracket over the front hole of the

light sensor mount, such that the hole in the bracket base

aligns over the front hole on the mount and the front

hole of the light sensor arm.

c) Place the Infrared Light Sensor over the base of the

bracket. While holding the sensor in place with one

hand, use your other hand to insert the threaded

post from beneath the sensor. Rotate the post

until the sensor holds firmly in place against the

bracket and mount. The glass filter should fit snugly

against the sensor, with the bracket under the case

(Figure 8).

6. Mount the Black Body Light Source onto the Optics Track

Slide the black body light source onto the light end of the optics track. Place the light source as close as

possible to the collimating slits. For added stability, use the screw and nut to secure the black body light

source to the track (see Figure 8).

7. Connect the Power Supply to the Black Body Light Source

Use banana plugs to attach a power amplifier (used with a ScienceWorkshop interface) with signal

generator capacity.

Note: A D.C. power supply can be used if a power amplifier is not available. However, the power

amplifier is needed for displaying temperature and wavelength in DataStudio.

a) With the amplifier turned off, attach the banana plugs on the black and red cables from the CI-6502

Power Amplifier to the connectors on the back side of the black body light source.

b) Plug the DIN connector from the amplifier into analog channel C.

Figure 7: Replacing the light sensor

infrared filter

filter bracket

INFRARED SENSOR

CI-6628

5. Position the Collimating Slits and Lenses on the

Optics Track.

a) Place the collimating lens close to but not touching the degree plate.

b) Place the collimating slits exactly 10 cm from the collimating lens.

light sensor

CI-6604A

PASCO

scientific

HIGH SENSITIVITY

LIGHT SENSOR

Figure 8: Equipment Setup

black body

collimating slits

collimating lens

prism mount

focusing lens

aperture disk

light sensor arm

light sensor

mount

threaded post

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 22 23

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Pasco OS-8542 BLACK BODY LIGHT SOURCE Manuel d'utilisateur Page 10

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