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ATP Instrumentation 1309 Instruction

Digital illuminance

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DIGITAL ILLUMINANCE METER
MODEL 1309
INSTRUCTION
APO
4
3
2
BAT
Auto Ranging Light Meter
MAX
DISABLE
M I N
APO
REL
HOLD
BACK-
LIGHT
Fc
RS232
kLux
1
1
kFc
2
with RS232
HOLD
Lux

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Summary of Contents for ATP Instrumentation 1309

  • Page 1 DIGITAL ILLUMINANCE METER MODEL 1309 INSTRUCTION kLux Auto Ranging Light Meter with RS232 DISABLE M I N HOLD HOLD BACK- LIGHT RS232...
  • Page 2 Ⅰ INSTRUCTION The digital illuminance meter is a precision instrument used to measure illuminance (Lux, footcandle) in the field. It is meet CIE photopic spectral response. It is fully cosine corrected for the angular incidence of light. The illuminance meter is compact, tough and easy to handle owing to its construction.
  • Page 3 Correction factor need not be manually calculated for non-standard light sources. Short rise and fall times. Peak-hold function for tracing the peak signal of light pulse with least duration 10μs and keep it. Capable of selecting measuring mode in Lux or FC scale alternatively.
  • Page 4 Spectral Response: CIE Photopic. (CIE human eye response curve). Spectral Accuracy: CIE Vλ function f1’≦6% Cosine Response: f2’ ≦2% Accuracy: ±5% rdg±10d.(<10,000Lux) ±10% rdg±10d.(>10,000Lux) Repeatability: ±3% Sampling Rate: 1.5 times/sec of analog bar-graph indication;1.5times/sec of digital display. Photo Detector: One silicon photo diode and spectral response filter.
  • Page 5 Ⅳ NAME OF PARTS AND POSITIONS kLux Auto Ranging Light Meter with RS232 DISABLE M I N HOLD HOLD BACK- LIGHT RS232 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.
  • Page 6 Auto-Ranging : It indicates 400.0 Lux,4000 Lux,40.00 KLux and 400.0 KLux /40.00 FC,400.0 FC,4000 FC,40.00 KFC total 4ranges for Lux and 4 ranges for Power Control key: The power switch key turns the illuminance meter ON or OFF. Disable Auto-power off key: enable Auto-power off. BACK-LIGHT key: Back light control key.
  • Page 7 and,1footcandle=10.76Lux.. Ⅴ OPERATING INSTRUCTIONS Power-up: Press the power key to turn the meter ON or OFF. Selecting the Lux or FC scale: Set the range selection switch to desired Lux or FC range. Remove the photo detector cap and face it light source in a horizontal position.
  • Page 8 Maximum Minimum recorder mode: Press MAX/MIN key to cycle through Maximum (MAX) reading, Minimum (MIN) reading and current reading (MAX/MIN blink) recorder mode. Press MAX/MIN key again to exit this mode. Relative reading mode: Press REL key to enter Relative mode.
  • Page 9 After turning off the meter, disconnect the battery cover with a screwier. Disconnect the battery from the instrument and replace it with a standard 9V battery and go for the cover. Ⅶ SPECTRAL SENSITIVITY CHARACTERISTIC To the detector, the applied photo diode with filters makes the spectral sensitivity characteristic almost meet...
  • Page 10 tip of the photo detector globe. The calibration interval for the photo detector will vary according to operational conditions, but generally the sensitivity decreases in direct proportion to the product of luminous intensity by the operational time. In order to maintain the basic accuracy of the instrument, periodic calibration is recommended.
  • Page 11 Packing work, 150~300 14~28 Entrance passage HOTEL Public room, 100~200 9~18 Cloakroom Reception 200~500 18~47 Cashier 750~1,000 70~93 STORE Indoors Stairs 150~200 14~18 Corridor Show window, 750~1,500 70~140 Packing table Forefront of show 1,500~3,000 140~279 window HOSPITAL Sickroom, 100~200 9~18 Warehouse Medical Examination 300~750...
  • Page 12 Laboratory, Library, 500~1,500 47~140 Drafting, room Connecting to pc System requirements: Windows 98 or windows 2000 (or higher) Minimum hardware requirements Pc or notebook, 90MHz Pentium of faster, 32Mb Ram, At least 5Mb free hard disk space screen resolution 800×600. Connection 1, Switch the light meter on 2, Plug the other end of the connecting cable to serial...
  • Page 13 “CEM.LINK” software. Insert the CD into the CD-drive. Enter x:\setup in the command line and press OK. The files setup.exe and the help file will be copied onto the hard disk (selected path: c:\program files\1309). drive-letter your CD-drive ,e.g. ”g”. follow...
  • Page 14 CONNECTION” appears on the screen. (CARE: If you want to not connect with the PC, you should better press USB key first, or there will be a operational error, and then you should close the program 1309,at last you’d pull out the line.)