PASCO Specialty & Mfg. CI-6504A User's Manual
Contents
1. 5 power ground gt DIN Connector Specifications for Cl 6604 1 analog output 0 to 5 V 2 analog output signal ground no connection 5VDCpower 1 power ground 4 12 VDC power 2 12 VDC power no connection oN oar w Light Sensor and High Sensitivity Light Sensor 012 06306D Copyright Warranty and Equipment Return Please Feel free to duplicate this manual subject to the copyright restrictions below Copyright Notice The PASCO scientific 012 06306C instruction sheet is copyrighted and all rights reserved However permission is granted to non profit educational institutions for reproduction of any part of the Light Sensor instruction sheet providing the reproductions are used only for their laboratories and are not sold for profit Reproduction under any other circumstances without the written consent of PASCO scientific is prohibited Limited Warranty PASCO scientific warrants the product to be free from defects in materials and workmanship for a period of one year from the date of shipment to the customer PASCO will repair or replace at its option any part of the product which is deemed to be defective in material or workmanship The warranty does not cover damage to the product caused by abuse or improper use Determination of whether a product failure is the result of a manufacturing defect or improper use by the customer shall be made solely by PASCO s2. 8 pin DIN connectors Additional Equipment Required e Any PASCO computer interface 300 500 or 700 Science Workshop series for Macintosh or Windows or the 6500 series interface for DOS gt Note The manual has been written with the assumption that the user has a basic familiarity with Science Workshop and has access to the User s Guide for Science Workshop Users can gain basic skills with Science Workshop by working through the tutorial within Science Workshop Another useful resource is the Quick Reference Card for Science Workshop Setup Procedure Connect the Light Sensor and any analog channel of the interface box with the interface cable Figure 2A or insert the DIN plug of the Light Sensor into the jack of any analog channel of the interface box Figure 2B A B Plug into Z any analog channel Plug into any analog channel Figure 2 Connecting the Light Sensor and the computer interface If the fiber optics probe PASCO part no 003 01383 is to be used attach it by slipping the connector of the fiber optics probe over the input connector on the Light Sensor Figure 3 A quarter twist clockwise locks the probe to the Light Sensor To disconnect press the connector towards the sensor box turn it counterclockwise one quarter turn and pull away from the box Rotate ring one quarter turn to secure 4 Light sensor Aade connector Figure 3 Attaching the fiber optics probe t
3. Instruction Sheet for the PASCO Model CI 6504A and CIl 6604 012 06306D LIGHT SENSOR AND HIGH SENSITIVITY LIGHT SENSOR Cl 6604 High Sensitivity Light Sensor gain adjustment aperture for photodiode N CIl 6504A DIN connector interface cable with 8 pin DIN connectors to computer o interface Light Sensor Introduction The PASCO CI 6504A Light Sensor and CI 6604 High Sensitivity Light Sensor are designed to be used with a PASCO computer interface to make measurements of relative light intensity Through the use of the gain options on the sensor box and within Science Workshop the Light Sensor has a working range of up to seven orders of magnitude allowing application across a wide range of lighting levels The CI 6504A is best suited for experiments performed at ambient light levels At the lower end of the range interference patterns of monochromatic light after it passes through single or multiple slits can be measured at the higher end measurements can be made of relative light intensities of daylight The range switch settings 1X 10X and 100X on the top of the sensor roughly corresponds to maximum input light levels of 500 50 and 5 lux 1997 PASCO scientific The CI 6604 can be used where experiments are performed at low light levels Interference patterns of monochromatic light after it passes through single or multiple slits can be measured and spectral l
4. cientific Responsibility for the return of equipment for warranty repair belongs to the customer Equipment must be properly packed to prevent damage and shipped postage or freight prepaid Damage caused by improper packing of the equipment for return shipment will not be covered by the warranty Shipping costs for returning the equipment after repair will be paid by PASCO scientific The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the device Equipment Return Should the product have to be returned to PASCO scientific for any reason notify PASCO scientific by letter phone or fax BEFORE returning the product Upon notification the return authorization and shipping instructions will be promptly issued gt NOTE NO EQUIPMENT WILL BE ACCEPTED FOR RETURN WITHOUT AN AUTHORIZATION FROM PASCO When returning equipment for repair pack the units properly Carriers will not accept responsibility for damage caused by improper packing To be certain the unit will not be damaged in shipment observe the following rules The packing carton must be strong enough for the item shipped Make certain there are at least two inches of packing material between any point on the apparatus and the walls of the carton Make certain that the packing material can not sh
5. ift in the box or become compressed allowing the instrument to come in contact with the edge of the packing carton Address PASCO scientific 10101 Foothills Blvd P O Box 619011 Roseville CA 95747 7100 Phone 916 786 3800 FAX 916 786 3292 email techsupp pasco com web www pasco com PASC Ce serentifire
6. ines from a spectrometer may be detected The range switch settings 1X 10X and 100X on the top of the sensor roughly corresponds to maximum input levels of 5 0 5 and 0 05 lux At the highest gain setting 100X on the sensor and 10X in Science Workshop the High Sensitivity Light Sensor has a resolution of about 10 micro lux The Light Sensor may be used with or without the fiber optics probe available separately as PASCO part no 003 01383 Greater sensitivity is achieved by measuring light directly without the probe attached The sensing element of the CI 6504A and CI 6604 Light Sensors is a stable and electrically quiet Si PIN photodiode The photodiode is responsive across a wide spectrum ranging from 320 nm through 1100 nm The response curve for the photodiode is shown in Figure 1 PASC Ci scientific 10101 Foothills Blvd Roseville CA 95747 7100 Phone 916 786 3800 FAX 916 786 8905 www pasco com Light Sensor and High Sensitivity Light Sensor 012 06306D Spectral Response 0 7 0 6 0 5 0 4 0 3 0 2 RELATIVE SENSITIVITY 0 1 0 200 400 600 800 1000 WAVELENGTH nm Figure 1 Spectral response curve of the photodiode The Light Sensor can be plugged directly into any PASCO computer interface box or can be connected to the interface box using the supplied cable with DIN connectors Equipment Included e Light Sensor e 6 foot cable with
7. o the Light Sensor Open the Experiment Setup window in Science Workshop Click and drag the analog plug icon to the analog channel icon that matches the analog port you are using for the Light Sensor AN fiber optics probe The optical fibers inside may be damaged if the cable is bent sharply Do not coil tighter than a 10 cm 4 in diameter circle Be sure not to damage the input end of the probe scratches may impair light transmission NOTE Use care when handling the FASC Ce serentifre 012 06306D Light Sensor and High Sensitivity Light Sensor Select Light Sensor from the drop down menu Open a display window such as the Digits display by dragging and dropping the appropriate display icon on the Light Sensor icon Select the appropriate gain setting on the sensor box for the light levels to be measured Figure 4 The correct gain setting is the one for which the intensity levels on the display vary appropriately for measuring the relative light intensity changes in your experiment Adjust the gain for the light conditions Figure 4 Setting the gain on the Light Sensor Calibration and Sensitivity Adjustment in Science Workshop To open the Light Sensor s calibration window double click on the Light Sensor icon in the Experiment Setup window If the Light Sensor is in analog channel A or B you can adjust the sensitivity gain in Science Workshop by selecting the appr
8. opriate level from the drop down menu If the Light Sensor is producing voltage above 1 V set the sensitivity to Low 1x If the Light Sensor is producing voltages between 1 V and O V select Med 10x With the Science Workshop 700 interface set the sensitivity to High 100x if the voltage is very low between 0 1 V and 0 V Refer to the User s Guide for Science Workshop for more details concerning adjusting the sensitivity setting Note Gain for channel C cannot be adjusted in Science Workshop Use Channels A or B if necessary to adjust gain in Science Workshop Use the calibration window in Science Workshop to calibrate the Light Sensor The sensor may be calibrated in relative units such as percent of sensor voltage output If a standard is used the Light Sensor output may also be referenced to absolute units such as lux Refer to the User s Guide for Science Workshop for more details concerning calibration Mounting on an Experimental Apparatus Use the 1 4 20 threaded connector located on the bottom of the sensor box to secure the Light Sensor to an experimental apparatus Figure 5 The alignment hole fits over an alignment pin included on some PASCO apparatuses alignment hole 1 4 20 threaded connector Figure 5 Mounting connector and alignment hole DIN Connector Specifications for Cl 6504A 1 analog output 0 to5 V 2 analog output signal ground 3 no connection 3 5 V DC power
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