Irradian L203 SMU Manual Download Page 1 | Manualshive

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Irradian L203 SMU Manual Download Page 1

Handbook Ref No. MH070/Issue I

File Ref: L203SMU-vI.doc

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Summary of Contents for L203 SMU

Page 1: ...Handbook Ref No MH070 Issue I File Ref L203SMU vI doc ...

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Page 3: ...1 Introduction 2 Specification 3 Operation 4 Eyepiece Adjustment 5 Lens Care 6 Mounting 7 Lens Selection Chart 8 Use of Extension Tubes 9 Environmental Care Recycling and Disposal ...

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Page 5: ...ng and other possible accessories of a cosine corrected photopic filter ring for illuminance measurements L203 illuminance luminance model and a photopic 6 field of view lens assembly The reflex viewing spot measuring unit model SMU203 is a compact telescope with off axis eyepiece permitting accurate measurements of luminance when used in conjunction with the L203 photometer detector and photopic ...

Page 6: ...ution 0 01 cd m 2 on range 1 Optional Up to 5 full scale decades measuring from 0 to 19 999 fL 0 to 199 99 fL 0 to 1999 9 fL 0 to 19999 fL 0 to 19999 x 10 fL Resolution 0 001 fL on range 1 For details of the ranges associated with the optional illuminance filter ring and luminance 6 field of view accessories please refer to the L203 L203 Lux handbook Calibration Absolute calibration accuracy estim...

Page 7: ...ment Irradian Limited 3 continued Interchangeable Lenses Eyepiece Thread Mount to Irradian Detectors or Optical Fibre Light Guides Detector and Filter Combination SMU203 Spot Measurement Accessory 1 4 UNC Tripod Mount ...

Page 8: ...ifier Digitiser Intermediate Filter Ring Tilted Aperture Mirror Alternative Spot Dia s available Mounted on removeable Angled Rod for ease of replacement Lens 25mm 50mm 75mm Focal Length Available with Extension Tubes for macro use Eyepiece permits view of target Mirror Aperture seen as black spot ...

Page 9: ... micro controller will initiate with the display momentarily showing The radiometer will now search for the optimum range on the detector amplifier A typical display is shown below An LED will illuminate indicating the units This will be the same units prior to the last power off 4 Press and release the UNITS switch to select the correct units for luminance measurements The correct setting will be...

Page 10: ... light levels are high and either of the optical inputs are unblocked Press and release the ZERO switch the display will show The micro controller will now measure the amplifier offset on each of the available gain ranges and store these values in the non volatile memory All subsequent measurements will first have one of these offsets subtracted before displaying the measurement At the end of the ...

Page 11: ...nd any one reading causes the detector amplifier to overload at this range the averaging process will be terminated and the display will show To avoid an overload conditions RESET the photometer and Manually change the RANGE to a lower lever e g from a 34 00 range to 34 0 MIN MAX LEVELS During an average measurement the maximum and minimum values attained in the period are recorded Press HOLD to h...

Page 12: ...utorange and as with Average measurements if the amplifier overloads the display will show 0 L and the measurement will halt Units for integrated measurements are mJ m 2 sr 1 or J m 2 sr 1 At the end of the integration period HOLD the display Use the MODE switch to also display the Min Max and Average values Press FUNCTION RESET to set the integrate maximum and average values to zero and the minim...

Page 13: ...Do not flood the optics with alcohol apply to the lens tissue and gently wet the optics surface Cleaning of the internal optics is not recommended With care dust may be blown out but the mirror is easily damaged Contamination is usually cosmetic and unlikely to affect the instruments performance The SMU203 is fitted with a UNC tripod mount thread on the flat beneath the main body Several tripods a...

Page 14: ... which can be recycled and reused Please remember to observe the local regulations that govern both the disposal of the packaging materials accompanying this product and any used batteries DO NOT DISPOSE OF THIS PRODUCT IN YOUR GENERAL WASTE BIN Please inform yourself about your local WEEE collection system which is available for electrical and electronic products that are marked with the symbol s...

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Page 16: ... 9 Elphinstone Road Telephone 44 0 1875 898 083 Tranent Facsimile 44 0 1875 616 528 East Lothian E mail info irradian co uk Scotland EH33 2LG Web www irradian co uk ...

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