Serveralstandardsorganizationsprovidestandardsandguidanceonenvironmentaltestchamberconstruction,
temperaturecontrolstandards,andengineeringtolerance.
1.InstituteofEnvironmentalSciencesandTechnology
2.AirConditioning.HeatingandRefrigerationInstitute(formerlytheAmericanRefrigerantInstitute)
3.AmericanSocietyofheating,refrigerantandair-conditioningAmercicanSocietyofheating,refrigerant,
andairconditioningengineer.
4.ASTMInternational
5.UnderwritersLaboratories
6.NSFInternational
7.FactoryMutual
8.CanadianStandardAssociation
9.InternationalOrganazationforStandardization
Anenvironmentalchambercanbeasmallroomusedbothtoconditiontestspcimensandtoconductthetest,
Itcanbeasmallunitthat'susedforconditioningtestitems.Also,somechambersaresmallenoughtobereplacedontoauniversal
testingmachineorothertestapparatus.
Manychambersaresetatacertainconditions,Otherscanbeprogrammedtocyclethroughspecifiedsequencesofconditions