DQRID : D050120.2
Start DateStart TimeEnd DateEnd Time
01/01/2004000005/01/20052359
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Subject:
SGP/AOS/C1 - Failed RH sensor
DataStreams:sgpaosC1.a0
Description:
The RH sensor inside the humidified nephelometer began to slowly decline in value in the 
upper RH range beginning in early 2004 and becoming more noticable poor on 20041117. The 
sensor currently reaches a high RH value of about 60% when the actual RH is closer to 80%.

The sensor was replaced in the Spring of 2005, but the problem remained.  Effective 
1/1/2004, this sensor is not used to calculate scientific data and is therefore essentially 
abandoned in the field.  An end-date of 20050501 is being used as a placeholder.
Suggestions: 
null
Measurements:sgpaosC1.a0:
  • TSI High RH Neph. relative humidity(TSINephRHSamp_HRH)
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