Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
08/18/2015 | 0614 | 08/27/2015 | 1856 | Suspect |
Subject: | SGP/NEPHELOMETER/C1 - Periodic bad backgrounds on filtered air. |
DataStreams: | sgpaosnephdryC1.b1, sgpaosnephdryC1.a1 |
Description: | The hourly background using filtered air started to go negative, indicating a possible valve problem, contaminate inside the scattering volume or electronic problem. Valves were checked and found to be be in good working order. Instrument was turned off and shipped back to mentor for repair. Wet neph was moved into dry neph position |
Suggestions: | Use data with caution |
Measurements: | sgpaosnephdryC1.a1: more
sgpaosnephdryC1.b1: more |