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User's Guide HP 81531A Sensor Module SERIAL NUMBERS ABCDE HP Part No. 81531-90011 Printed in Germany Second Edition E0796...
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Safety Considerations Initial Inspection To avoid hazardous electrical shock, do not perform Warning electrical tests when there are signs of shipping damage to any portion of the outer enclosure (covers, panels, etc.). Power Requirements Operating Environment Input/Output Signals...
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HP 81531A Specications HP 81531A Specications C-1...
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HP 81531A Specications Sensor Element Wavelength range Power range Display resolution Applicable ber type Uncertainty (Accuracy) Total Uncertainty Linearity Noise < Dimensions " " " Weight Recalibration period Warmup time < > C-2 HP 81531A Specications...
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Supplementary Performance Characteristics Analog output: HP 81531A Specications C-3...
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HP 81533A Optical Head 1.5% Interface Module with HP 81524A Optical Head Multimeter Mainframe HP 8153A CW Laser Sources HP 81552SM and HP 81553SM or Wavelength HP 81554SM Uncertainty 1.5nm Optical Attenuator HP 8156 Option 101 Connector Adapter (head) HP 81000AA...
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Test Record Test Failure Instrument Specication D-2 Performance Tests...
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Performance Test Note Accuracy and Linearity Test Specications HP 81531A Test Setup Performance Tests D-3...
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Figure D-1. Accuracy and Linearity Test Setup Note I. Accuracy Test D-4 Performance Tests...
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II. Linearity Test Disp Disp Performance Tests D-5...
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Example Results for the Linearity test Linearity Test 0.004 -0.008 -0.008 -0.004 0.02 D-6 Performance Tests...
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Example Calculated Results for the Linearity Test Non-Linearity -0.004 0.004 -0.008 -0.012 0.008 Figure D-2. Addition of results (example) Performance Tests D-7...
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III. Noise Test Note Zero MENU Record Stability T_TOTAL T_TOTAL Edit Edit Exec More SHOW DIFF Edit Next Prev D-8 Performance Tests...
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Performance Test for the HP 81531A Performance Tests D-9...
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Performance Test for the HP 81531A D-10 Performance Tests...
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Performance Test for the HP 81531A Accuracy Test Linearity Test Performance Tests D-11...
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Performance Test for the HP 81531A Non-Linearity Noise Test < D-12 Performance Tests...
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Cleaning Procedures The Cleaning Kit A full cleaning kit contains the following items: Isopropyl alcohol This is usually available from pharmaceutical suppliers or chemists. If possible, use alcohol supplied for medical purposes, rather than impure alcohol or alcohol with additives. Caution Do not use other solvents as some can damage plastic materials and claddings.
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Pipe-cleaner This is available from tobacco shops. Ensure that the bristles of the pipe-cleaner are soft, so that they do not scratch your device during cleaning. Caution Store your pipe-cleaners carefully and never reuse them as dust and dirt from the air or from previous cleaning can scratch and dirty your optical device.
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Do not use normal washing-up liquid, as it can leave behind an iridescent lm. These are available from HP. The part number is HP 92193N (80 Wipes per Premoistened box).
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Preserving Connectors Listed below are some hints on how to keep your connectors in the best possible condition. Making Before you make any connection you must ensure that all cables and connectors are clean. If they are dirty, use the appropriate cleaning procedure. Connections When inserting the ferrule of a patchcord into a connector or an adapter, make sure that the ber end does not touch the outside of the mating connector or...
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Correct Cleaning Procedure If you are unsure about the correct cleaning procedure for your device or if you are unsure whether the procedure given here is suitable for your device, check with the manufacturer or sales distributor, or try the procedure on a dummy or test device rst. Cleaning Cable Connectors Cleaning connectors is dicult as the core diameter of a singlemode ber is only about 9 m.
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Cleaning Connector Adapters Caution Some adapters have an anti-re
ection coating on the back to reduce back re
ection. This coating is extremely sensitive to solvents and mechanical abrasion. Extra care is needed when cleaning these adapters. 1. Clean the adapter by rubbing a new, dry cotton-swab over the surface using Preferred a small circular movement.
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How to clean instruments with a recessed lens interface Light dirt Heavy dirt Caution Cleaning Procedures E-7...