MULTIPLE-BLOWER RELATIVE HUMIDITY CONTROLLED TEST CHAMBER

MULTIPLE-BLOWER RELATIVE HUMIDITY CONTROLLED TEST CHAMBER

An accelerated weathering apparatus includes a test chamber ( 30 ), a specimen supporting means ( 34 ), a light source ( 60 ) powered by a power source controlled by a ballast, at least one chamber air temperature sensor ( 26 ), a black panel temperature sensor ( 36 ), and a multiple blower system a...

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Hauptverfasser: FAYAK, DANNY, J, FEDOR, GREGORY, R, GROSSMAN, DOUGLAS, M, WURST, WILLIAM, R
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator FAYAK, DANNY, J
FEDOR, GREGORY, R
GROSSMAN, DOUGLAS, M
WURST, WILLIAM, R
description An accelerated weathering apparatus includes a test chamber ( 30 ), a specimen supporting means ( 34 ), a light source ( 60 ) powered by a power source controlled by a ballast, at least one chamber air temperature sensor ( 26 ), a black panel temperature sensor ( 36 ), and a multiple blower system and control means ( 52 ). A first blower ( 12 ) draws and circulates outside or fresh air and as second blower ( 46 ) optionally draws recirculated air into an air mixing duct. The speeds of the fresh air and recirculated air are independently regulated and controlled by a blower controller based on the chamber air temperature and black panel temperature, respectively. In addition, a humidifier ( 18 ) and humidity controller ( 20 ) regulates humidity within the system as required.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title MULTIPLE-BLOWER RELATIVE HUMIDITY CONTROLLED TEST CHAMBER
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