Advanced Light Meter 840022 Instruction Manual SPER SCIENTIFIC LTD.
TABLE OF CONTENTS 1. INTRODUCTION .............................................................................. 2 2. PANEL DESCRIPTION .................................................................... 3 3. OPERATING INSTRUCTIONS 3-A. 3-B. 3-C. 3-D. 3-E. General Measurement .......................................................... Hold ....................................................................................... Peak Hold .......................................................................
2. PANEL DESCRIPTION 1 2 3 4 12 5 POWER HOLD REC. MAX/MIN 13 6 Lux/Fc RANGE 7 8 (side) ZERO SOURCE 9 10 14 11 15 16 1. Sensor Input 2. Display 3. Power Button 4. Hold Button 5. REC. MAX/MIN Button 6. RS232 Cover (lifts) 7. Lux/FC Button 8. RS-232 Output (see 6) 9. Range Button 10. Source Button 11. Zero Button 12. Tripod Screw 13. Stand 14. Battery Cover 15. Sensor Plug 16.
3. OPERATING INSTRUCTIONS 3-A. General Measurement • • • • • • • • Insert the SENSOR (15) 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 (16) . Select the desired unit of measure by pressing the LUX/FC (7) button. Select the lighting type by pressing the SOURCE (10) button. The display shows “Hg” for Mercury, “Na” for Sodium, and “FL” for Fluorescent Lamp.
• • To return to recording mode, press the HOLD (4) button. "REC" is displayed without "Max" or "Min". To erase the recorded Max/Min values and exit the recording mode, press the REC MAX/MIN (5) button for at least 2 seconds. 3-E. Notes and Precautions • • • • • • • Avoid range overload. When using PEAK HOLD (3-C) or REC MAX/MIN (3-D) your measurements must be within the selected range, if not, the out of range indicator "- - - -" will be displayed.
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 Display reading, D1 = LSD, D8 = MSD D1 & D8 E.
Unit of Measure Range Lux Foot Candle In-Range Display Res. 40.00 0 ~ 40.00 0.01 400.0 36.6 ~ 400.0 0.1 4,000 360 ~ 4,000 1 40,000 3,600 ~ 40,000 10 400,000 10,000 ~ 400,000 100 4.000 40.00 0 ~ 3.720 3.35 ~ 37.20 0.001 0.01 400.0 33.5 ~ 372.0 0.1 4,000 335 ~ 3,720 1 Accuracy ±(3% rdg + 0.5% F.S.) <100,000 ± (3% rdg + 0.5% F.S.). >100,000 for reference only ±(3% rdg + 0.5% F.S.) < 9,300 ± (3% rdg + 0.5% F.S.).
. 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. This warranty does not cover probes, batteries, or damage resulting from accident, misuse, or abuse of the product.