Delta OHM LP UVA 02 Manual
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Delta OHM LP UVA 02 Manual

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REV. 1.0
10 jan. 2007
LP UVA 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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Summary of Contents for Delta OHM LP UVA 02

  • Page 1 REV. 1.0 10 jan. 2007 LP UVA 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.

  • Page 2: Working Principle

    1.00E-03 Lambda (nm) Fig1 In order to protect the diffuser from the dust, LP UVA 02 is equipped with a 50mm glass dome. The cosine low response is obtained with a particular shaped PTFE diffuser in figure 2 the cosine error versus angle of incident is reported...
  • Page 3 Angle Fig.2 The good cosine low response of LP UVA 02 allow to use the radiometer at any sun ‘s zenithangle . 3 Installation and Mounting of the Radiometer for the Measurement of Global Radiation: Before installing the radiometer, refill the cartridge containing silica-gel crystals.
  • Page 4 (or sun shadow) onto the radiometer itself. • The LP UVA 02 radiometer is provided with a spirit level for carrying out an accurate horizontal leveling. The adjustment is made by means of two leveling screws that allow to adjust the radiometer inclination. Use the two 6mm-diameter holes and a 65mm interaxial distance to mount the instrument on a plane.
  • Page 5 Fixing holes D 6 mm 65.0 mm 79.0 mm LP UVA 02 AC 165 mm LP UVA 02 AV 50.0 mm Spirit Level LP UVA 02 HD9906.46 HD9906.47 HD9906.47.2 HD9906.46.2 Fig 4 HD 2003.77 HD 2003.84 LP S1 HD 2003.85 Pyranometer LP UVA 02 HD 2003.79...
  • Page 6 4 Electrical Connection and Requirements for Electronic Readout Devices: LP UVA 02 is produced in 3 versions, LP UVA 02, LP UVA 02 AC and LP UVA 02 • LP UVA 02 radiometer is passive and it does not require any power supply.
  • Page 7 Screeno (Black) Blue fig. 7 • LP UVA 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 UVA 02 AC Power Supply...

  • Page 8: Maintenance

    μV/(W/m ) shown on the radiometer label (and mentioned in the calibration report) . LP UVA 02 AC The radiometer sensitivity is set so that: 4..20 mA = 0..200 W/m To obtain irradiance the following procedure is to be applied:...
  • Page 9 The calibration was performed by reference to Delta Ohm srl primary standard with monochromatic light at 365 nm obtained separating the emission line of a Xe-Hg lamp with an inferential filter. To get best performances from your LP UVA 02 it is strongly recommended that the calibration be checked annually.

  • Page 10: Technical Specifications

    7 Technical Specifications: 150 ÷ 350μV/(W/m Typical sensitivity: LP UVA 02 4..20 mA (0-2000 W/m ) LP UVA 02AC 0..1,5,10V (0-2000 W/m ) LP UVA 02AV Response time: <0.5 sec (95%) 5 ÷ 7.5 KΩ Impedance: Measuring range: 0-1000 W/m Viewing angle: 2π...

  • Page 11: Ordering Codes

    Clamping for mast φ 40mm HD 2003.77 UV resistant plastic shade disk (BASF LP SP1 LURAN S777K) Mounting kit for LP UVA 02: bracket LP S1 for attachment to a mast, including fasteners and leveling screws. Desiccant sachet with silica gel crystals, LP SG complete with inner O-ring and cap.

  • 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.

This manual is also suitable for:

Lp uva 02 acLp uva 02 av

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