Teledyne 633 Manual

A SERVICE OF

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Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer

®

Black Carbon Monitor User Manual

07645A DCN6170 15

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ENCLOSURE

The Model 633 enclosure is very robust and made from sheet metal.Theenclosure

mechanicallyprotectsthedelicateinnermeasurementparts.Thedimensionsoftheenclosure

meettherackmountstandardfortheinstrumentation.

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POWERSUPPLY

Thepowersupplymoduleiscomposedofthemainsinlet,thepowersupplyelectronicsand

thecoolingfan.Sincethepowersupplyelectronicsheatsup,itismechanicallyintegratedina

separatedandthermallysealedarea.

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MAINSINLET

ThemainsinletacceptsstandardEU,USorUKsupplycords.Itiscomposedoftheinletitself,

theEMCfilter,themainfuseandtheprimaryON/OFFswitch.Theswitchisapartofthepower

supplymodule.

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COOLINGFAN

Thecoolingfanisalsoapartofthepowersupplymodule.Thecontrolelectronicsmeasures

thetemperatureofthepowersupplyareaandswitchesonandoffthecoolingfan.

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MAINCOMPUTER

Themaincomputerprocessoralsogeneratesquitealotofheat.Itisintegratedinthepower

supplyareasoitcanbecooleddowntogetherwiththepowersupplyelectronics.Thehighest

level control software and the user interface are implemented on the main, PC based

computer.

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ELECTRONICBOARDS

The system features modular design so the electronics is composed of various electronics

boardswhichmechanicallyfittogetherwithothermechanicalmodules.Thelowlevelcontrol

firmware is implemented with microcontrollers, which are located on separate electronic

boardssoparallelrealtimedataprocessingispossible.