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Summary of Contents for Amprobe LM631A
- Page 1 LM631A Digital Light Meter User Manual...
- Page 3 LM631A Digital Light Meter...
- Page 4 Limited Warranty and Limitation of Liability Your Amprobe product will be free from defects in material and workmanship for 1 year from the date of purchase. This warranty does not cover fuses, disposable batteries or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling.
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Page 5: Table Of Contents
Digital Light Meter Contents INSTRUCTIONS ..................1 CERTIFICATIONS AND PRECAUTIONS ............1 OPERATION .....................2 SPECIAL CONSIDERATIONS ..............2 MAINTENANCE ..................3 REPAIR .....................3 SPECIFICATIONS ..................6 ELECTRICAL .....................7... - Page 6 LM631 LIGHTMETER lux fc > 2sec HOLD PEAK RANGE...
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Page 7: Instructions
Instructions CERTIFICATIONS AND PRECAUTIONS The LM631A instrument is EN61326-1 certified for EMC and EMI. Do not use any damaged part. Do not operate instrument in an explosive atmosphere. It is recommended that you read the safety and operation instructions before using the Light meter. The symbol on the instrument indicates that the operator must refer to an explanation in this manual. -
Page 8: Operation
RANGE Button: Each time you press ‘RANGE’ button, the range annunciators change DATA-HOLD Button: Press ‘HOLD’ button to toggle the DATA-HOLD mode On and Off. In the DATA-HOLD mode, the “ “ annunciator is displayed and the last reading is held on the display. Auxiliary output: The microphono jack (2.5 mm) connector output is active as long as the light meter is turned on. -
Page 9: Maintenance
Amprobe Test Tools Service Center for an over-the-counter exchange for the same or like product. Non-warranty repairs should be sent to a Amprobe Test Tools Service Center. Please call Amprobe Test Tools or enquire at your point of purchase for the nearest location and current repair rates. - Page 10 (for non-warranty repairs). Service charges should be remitted in the form of a check, a money order, credit card with expiration date, or a purchase order made payable to Amprobe Test Tools or to the specific service center. For minimum turn-around time on out-of-warranty repairs please phone in advance for service charge rates.
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Page 11: Specifications
SPECIFICATIONS GENERAL Display: 3½ digit LCD with maximum reading of 1999 Overrange: (OL) is displayed Low battery indication: “ “ is displayed Measurement rate: 2.5 times per second, nominal. Operating Environment: 0 °C to 50 °C (32 °F to 122 °F) at < 75% R.H. Storage Temperature: -20 °C to 60 °C (-4 °F to 140 °F), 0 to 80 % R.H. -
Page 12: Electrical
ELECTRICAL Accuracy: at 23°C ± 5°C (73°F ± 9°F), < 75 % relative humidity Ranges: 20 lux, 200 lux, 2000 lux, 20000 lux 20 fc, 200 fc, 2000 fc, 20000 fc Total accuracy for CIE standard illuminant A (2856K): ± ( 3 % rdg + 10 dgts) Temperature Coefficient: 0.1x (specified accuracy)/°C (<...