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REV. 1.0
10 jan. 2007
LP PHOT 02
Our instruments' quality level is the results of the product continuous
development. This can bring about differences between the information written
in this manual and the instrument that you have purchased. We cannot entirely
exclude errors in the manual, for which we apologize.
The data, figures and descriptions contained in this manual cannot be legally
asserted. We reserve the right to make changes and corrections without prior
notice.
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Related Manuals for Delta OHM LP PHOT 02
Summary of Contents for Delta OHM LP PHOT 02
- Page 1 REV. 1.0 10 jan. 2007 LP PHOT 02 Our instruments' quality level is the results of the product continuous development. This can bring about differences between the information written in this manual and the instrument that you have purchased. We cannot entirely exclude errors in the manual, for which we apologize.
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Page 2: Working Principle
- - - -: standard photopic curve _____: spectral response LP PHOT 02 probe Lambda (nm) Fig1 LP PHOT 02 is provided with a 50 mm diameter transparent glass dome, in order to protect the sensor against atmospheric damage. - 2 -... - Page 3 Angle Fig.2 The LP PHOT 02 cosine response allows for use even when the sun elevation is low. 3 Installing and mounting the luxmeter for global radiation measurements: Before installing the luxmeter, the silica-gel cartridge must be refilled. Silica-gel...
- Page 4 • The luxmeter should be located far from any obstacle which might reflect sunlight (or any shadow) onto the instrument. • For a correct horizontal placing, LP PHOT 02 is provided with a bubble level; inclination adjustment of the luxmeter is made by means of two leveling screws.
- Page 5 Foro di Fissaggio Fixing holes D 6 mm 65.0 mm 79.0 mm LP PHOT 02 AC 165 mm LP PHOT 02 AV 50.0 mm Spirit Level LP PHOT 02 HD9906.46 HD9906.47 HD9906.47.2 HD9906.46.2 Fig 4 HD 2003.77 HD 2003.84 LP S1 HD 2003.85...
- Page 6 4 Electrical Connections and requirements for electronic readout devices LP PHOT 02 is produced in 3 versions, LP PHOT 02, LP PHOT 02 AC and LP PHOT 02 AV. • LP PHOT 02 luxmeter is passive and it does not require any power supply.
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Page 7: Maintenance
Screeno (Black) Blue fig. 7 • LP PHOT 02 AC is to be connected to a DMM and a power supply as show below (Figure 8).To read the signal, the load resistance must be ≤500Ω LP PHOT 02 AC Power Supply... -
Page 8: Calibration And Measurements
(calibration factor is also mentioned in the calibration report). LP PHOT 02 AC The luxmeter sensitivity is set so that: 4..20 mA = 0..150klux To obtain illuminance the following procedure is to be applied:... - Page 9 “Methods of characterizing illuminance meters and luminance meters: Performance, characteristics and specifications, 1987”. Calibration is carried out by comparison with a reference luxmeter, assigned to Delta Ohm Metrological Laboratory. To get the best performances from LP PHOT 02, we strongly recommend to check calibration annually. - 9 -...
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Page 10: Technical Specifications
7 Technical specifications: Typical sensitivity: 1 mV/(klux) LP PHOT 02 4..20 mA (0-150klux) LP PHOT 02AC 0..1,5,10V (0-150klux) LP PHOT 02AV Response time: <0.5 sec (95%) 0.5 ÷ 1 KΩ Impedance: Measuring range: 0-150 klux Viewing angle: 2π sr Spectral range: Standard photopic curve -40 °C ÷... - Page 11 2 silica-gel cartridges, bubble level, 4 pole plug and Calibration Certificate. Luxmeter complete with shade disk, LP PHOT 02 AC dessicant sachet with silica-gel crystals, 2 silica-gel cartridges, bubble level, 4 pole plug and Calibration Certificate.
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Page 12: Instrument Type
All DELTA OHM instruments have been subjected to strict tests and are guaranteed for 24 months from date of purchase. DELTA OHM will repair or replace free of charge any parts which it considers to be inefficient within the guarantee period. Complete replacement is excluded and no request of damages are recognized.
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