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Summary of Contents for Sper scientific 840020
- Page 1 Light Meter (Lux/FC) 840020 Instruction Manual SPER SCIENTIFIC sale@ponpe.com www.ponpe.com...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. INTRODUCTION ................2 2. PANEL DESCRIPTION ..............3 3. OPERATING INSTRUCTIONS 3-A. General Measurement ............4 3-B. Hold ..................4 3-C. Peak Hold ................4 3-D. Record Maximum / Minimum ..........4 3-E. Notes and Precautions ............5 4. -
Page 3: Panel Description
2. PANEL DESCRIPTION REC. POWER HOLD MAX/MIN Lux/Fc RANGE 8 (side) ZERO 1. Sensor Input 2. Display 3. Power Button 4. Hold Button 5. REC. MAX/MIN Button 6. RS232 Cover (lifts up) 7. Lux/FC Button 8. RS-232 Output (see 6) 9. -
Page 4: Operating Instructions
3. OPERATING INSTRUCTIONS 3-A. General Measurement • Insert the SENSOR (14) plug into the SENSOR INPUT (1) and turn the meter on by pressing the POWER (3) button. • Remove the lens cap from the PHOTO SENSOR (15) . • Select the desired unit of measure by pressing the LUX/FC (7) button. -
Page 5: 3-E. Notes And Precautions
• Press the ZERO (10) button and the "0.00 " should be displayed. • To maintain accuracy, annual laboratory calibration is recommended and available from Sper Scientific. 5. BATTERY REPLACEMENT • Replace the battery when the low battery icon is displayed. -
Page 6: Specifications
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: End Word Display reading, D1 = LSD, D8 = MSD D1 &... - Page 7 Unit of Range In-Range Display Res. Accuracy Measure 40.00 0 ~ 40,000 0.01 400.0 36.6 ~ 400.0 ±(3% rdg + 0.5% F.S.) 4,000 360 ~ 4,000 40,000 3,600 ~ 40,000 <100,000 ± (3% rdg + 400,000 10,000 ~ 400,000 0.5% F.S.). >100,000 for reference only 0.00 4.000...
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Page 8: Warranty
8. WARRANTY Sper Scientific warrants this product against defects in materials and workmanship for a period of five (5) years from the date of purchase, and agrees to repair or replace any defective unit without charge. If your model has since been discontinued, an equivalent Sper Scientific product will be substituted if available.
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