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Summary of Contents for Di-LOG DL7040
- Page 1 DIGITAL LIGHT METER MODEL DL7040 INSTRUCTION MANUAL www.dilog.co.uk...
- Page 2 ➢ Light-measuring levels ranging form 0.01lux~0.1klux/0.01fc~0.01kfc, repeatedly. ➢ High accuracy and rapid response. ➢ Data-hold function for holding measuring values. ➢ Unit and sign display for easy reading. ➢ Automatic zeroing. ➢ Meter corrected for spectral relative efficiency. DL7040 www.dilog.co.uk...
- Page 3 Display :3-3/4 digit LCD with high speed 42 segment bargraph. ➢ Measuring Range:40.00 lux,400.0 lux,4000 lux,40.00 Klux and 300.0 Klux /40.00 fc,400.0 fc,4000 fc,30.00 Kfc. NOTE: 1fc=10.76lux,1Klux=1000lux,1Kfc=1000fc Overrange Display: LCD will show “OL” symbol. ➢ ➢ Spectral Response: CIE Photopic. (CIE human eye response curve). DL7040 www.dilog.co.uk...
- Page 4 Power Source: 1-piece 9V battery. ➢ Photo detector Lead Length: 150cm (approx.); ➢ Photo detector Dimensions: 115mm(L) x 60mm(W) x 20mm(H); ➢ Meter Dimensions: 170mm(L) x 80mm(W) x 40mm(H); ➢ Weight: 390g. ➢ Accessories: Carry case, instruction manual, battery. DL7040 www.dilog.co.uk...
- Page 5 Ⅳ NAME OF PARTS AND POSITIONS LCD Display: 3-3/4 digit displays with a maximum reading of 3999, and the indicating signs of measured values, unit function symbols and decimal points etc are display. Range Selector key: It indicates 40.00 lux, 400.0 DL7040 www.dilog.co.uk...
- Page 6 11. FC key: Pressing the fc key selects taking measurement of illuminance in footcandle scale; and,1 footcandle = 10.76lux. 12. Photo detector. Ⅴ OPERATING INSTRUCTIONS Power-up: Press the power key to turn the meter ON or OFF. DL7040 www.dilog.co.uk...
- Page 7 Press and hold down PEAK key 2 seconds to exit PEAK recorder mode, then the meter will resume normal operation. Maximum Minimum recorder mode: Press MAX/MIN key to cycle through Maximum(MAX) reading, DL7040 www.dilog.co.uk...
- Page 8 Ⅵ BATTERY CHECK-UP & REPLACEMENT As the battery power is not sufficient, LCD will display low battery, and replacement of one new battery is required. After turning off the meter, disconnect the battery cover with a screwier. DL7040 www.dilog.co.uk...
- Page 9 The white plastic disc on the top of the detector should be cleaned with a damp cloth when necessary. Do not store the instrument where temperature or humidity is excessively high. The reference level, as marker on the face plate, is the tip of the photo detector globe. DL7040 www.dilog.co.uk...
- Page 10 OFFICE Conference, 200~750 18~70 Reception room Clerical work 700~1,500 65~140 Typing drafting 1,000~2,000 93~186 FACTORY Visual work at 300~750 28~70 production line Inspection work 750~1,500 70~140 Electronic parts 1,500~3,000 140~279 assembly line Packing work, 150~300 14~28 Entrance passage DL7040 www.dilog.co.uk...
- Page 11 Packing table Forefront of show 1,500~3,000 140~279 window HOSPITAL Sickroom, 100~200 9~18 Warehouse Medical Examination 300~750 28~70 Room Operating room, 750~1,500 70~140 emergency treatment SCHOOL Auditorium, Indoor 100~300 9~28 Gymnasium Classroom 200~750 18~70 Laboratory, Library, 500~1,500 47~140 Drafting, room DL7040 www.dilog.co.uk...
- Page 12 24 Month Warranty Di-LOG instruments are subject to stringent quality controls. If in the course of normal daily use a fault occurs we provide a 24 month warranty (only valid with proof of purchase). Faults in manufacture and material defects will be rectified by us free of charge, provided the instrument has not been tampered with and returned to us unopened.
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