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Light Meter (Lux/FC)

840020

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Summary of Contents for 840020

Page 1: ...Light Meter Lux FC 840020 ...

Page 2: ...that do not yet exist or may be developed including photocopying recording or any information storage and retrieval system without the express permission from Sper Scientific INTRODUCTION 3 PANEL DESCRIPTION 3 OPERATING INSTRUCTIONS 4 GENERAL MEASUREMENT 4 HOLD PEAK HOLD 4 RECORD MAX MIN 5 NOTES PRECAUTIONS 5 ZERO ADJUSTMENT CALIBRATION 5 BATTERY REPLACEMENT 6 RS232 SERIAL INTERFACE 6 SPECIFICATIO...

Page 3: ...power off zero adjustment hold function and a tripod back Comes ready to use with a 9V battery instructions soft padded case and a detachable sensor with cover for easier replacement or repair PANEL DESCRIPTION 1 Sensor Input Sensor Plug 2 Display 3 Power Button 4 Hold Button 5 Rec Min Max Button 6 Lux FC Button 7 Range Button 8 Zero Button 9 Tripod Screw on back 10 Stand on back 11 Battery Cover ...

Page 4: ... toward the source and read the results on the display 6 The instrument has an automatic shut off function in order to prolong battery life After approximately 10 minutes without activity no buttons pushed the meter will automatically shut off To disable this feature press the REC MAX MIN button 7 Press the POWER button to manually turn the meter off Hold 1 During measurement press HOLD to freeze ...

Page 5: ...conds Notes and Precautions Avoid range overload When using PEAK HOLD or REC MAX MIN your measurements must be within the selected range if not the out of range indicator will be displayed Cover the PHOTO SENSOR with the sensor cap when the meter is not in use Fluctuations in the reading are often due to shadows or a weak battery Also ambient temperatures and drafts may affect the reading Do not s...

Page 6: ...S232 lead with the following connection is required to link the instrument with the PC serial interface Meter 3 5 mm jack plug PC 9W D Connector Center Pin Pin 4 Pin 2 2 2K Ground Shield Pin 2 Pin 5 resistor The 16 digits data stream will be displayed in the following format D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Each digit indicates the following status D0 End Word D1 D8 Display re...

Page 7: ... 3 rdg 0 5 F S 40 00 3 35 to 37 20 0 01 400 0 33 5 to 372 0 0 1 4 000 335 to 3 720 1 40 000 930 to 37 200 10 9 300 3 rdg 0 5 F S 9 3000 for reference only Accuracy tested by a standard parallel light tungsten lamp of 2856 K Out of Range Indicator appears at the top of the display for over range or at the bottom of the display for under range Power Supply One 9V battery current approx DC 8mA Operat...

Page 8: ...ing misuse or abuse of the product Opening the meter to expose its electronics will break the waterproof seal and void the warranty To obtain warranty service ship the unit postage prepaid to SPER SCIENTIFIC LTD 8281 East Evans Road Suite 103 Scottsdale AZ 85260 The defective unit must be accompanied by a description of the problem and your return address Register your product online at www sperwa...

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