Equipment and Calibration

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Equipment Entry

Instrument:Fluorometer
Manufacture:YSI
Model No:EXO fDOM
Serial No:22E100649
Tag No:
Acquisition Date:2022-06-01
Project:Ducks-Hill Slough
Location on 2024-04-10:Hill Slough,
Notes: Bare fluorescent dissolved organic matter sensor to be installed in USGS EXO Sonde at Gilbert Tract.
0 to 300 ppb Quinine Sulfate equivalent (QSE) measurement range
0.01 ppb QSE resolution
T63<2 sec response time

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History

Rec No.DateLoc FromTitleLoc ToNotes
6649 2024-04-10 Lab none Installed Hill Slough fDOM Reinstalled at the HS channel after regular lab cleaning and calibration
6667 2024-04-08 Lab none Calibration Lab none fDOM (QSU and RFU), Last cal: 2024-01-23
EXO sn 22C103416
EXO/Sensor Firmware: 1.0.86/3.0.0
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 QSU,-0.54 QSU,0.00 QSU,0.00 QSU,22.695 °C
Pt2,300.00 QSU,132.47 QSU,300.02 QSU,0.00 QSU,22.144 °C
Notes: Fresh calibration solution but pre-cal value is still way off. Maybe because of a dirty/cloudy sensor. This sensor probably needs to go back to the factory.

,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 RFU,-.31 RFU,0.00 RFU,0.00 RFU,22.796 °C
Pt2,100.0 RFU,RFU,41.74 RFU,100.00 RFU,0.00 RFU,22.184 °C
Notes: Fresh calibration solution but pre-cal value is still way off. Maybe because of a dirty/cloudy sensor. This sensor probably needs to go back to the factory.
6641 2024-04-04 Hill Slough fDOM Removed Lab none Removed from the Hill Slough channel and brought back to the lab for calibration (and to install the new auto wiper that arrived)
6619 2024-01-25 Lab none Installed Hill Slough fDOM Installed in the Hill Slough channel after calibration
6547 2024-01-23 Lab none Calibration Lab none fDOM (QSU and RFU), Last cal: 2023-08-17
EXO sn 22C103416
EXO/Sensor Firmware: 1.0.86/3.0.0
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 QSU,-2.68 QSU,0.00 QSU,0.00 QSU,20.692 °C
Pt2,300.00 QSU,182.33 QSU,300.08 QSU,0.00 QSU,21,776 °C
Notes: Fresh calibration solution after a factory reset. Previous calibration attempts in the last few days were all really off. Keep an eye on this sensor.

,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 RFU,0.24 RFU,0.00 RFU,0.00 RFU,20.081 °C
Pt2,100.0 RFU,RFU,122.16 RFU,100.05 RFU,0.00 RFU,22.019 °C
Notes: Fresh calibration solution after a factory reset
6544 2024-01-18 Hill Slough fDOM Removed Lab none Removed from HS channel and brought back to the lab for routine calibration
6448 2023-10-18 Lab none Installed Hill Slough fDOM Installed in the Hill Slough channel after calibration in the lab. The whole sonde was raised about 20cm to keep it out of the mud.
6439 2023-10-11 Hill Slough fDOM Removed Lab none Removed for inspection in the lab because turbidy/fDOM/ph/ORP look weird
6392 2023-08-24 Lab none Installed Hill Slough fDOM Reinstalled after quarterly cleaning and calibration
6376 2023-08-17 Lab none Calibration Lab none fDOM (QSU and RFU), Last cal: 5/8/2023 14:55:21
EXO sn 22C103416
EXO/Sensor Firmware: 1.0.86/3.0.0
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 QSU,-0.29 QSU,00.01 QSU,0.00 QSU,24.006 °C
Pt2,297.97 QSU,316.12 QSU,297.95 QSU,0.00 QSU,24.617 °C

,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 RFU,-0.74 RFU,0.00 RFU,0.00 RFU,24.666 °C
Pt2,99.40 RFU,96.56 RFU,99.39 RFU,0.00 RFU,24.827 °C
6368 2023-05-09 Lab none Installed Hill Slough fDOM Installed in the channel at Hill Slough (same height as before) after calibration
6277 2023-04-25 Hill Slough fDOM Removed Lab none Removed from HS channel for routine calibration
6153 2023-01-06 Lab none Installed Hill Slough fDOM Installed in the channel at Hill Slough (same height as before) after calibrating in the lab yesterday.
6148 2023-01-03 Hill Slough fDOM Removed Lab none Removed from Hill Slough channel and brought back to the lab for calibration.
6014 2022-09-29 Lab none Installed Hill Slough fDOM Channel Installed as part of the EXO2 sonde in the channel at Hill Slough.
6054 2022-09-23 Lab none Calibration Lab none fDOM (QSU and RFU), Last cal: Unknown
EXO sn 22C103416
EXO/Sensor Firmware: 1.0.86/3.0.0
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 QSU,-1.65 QSU,0.00 QSU,0.00 QSU,25.000 °C
Pt2,308.00 QSU,301.85 QSU,307.99 QSU,0.00 QSU,15.000 °C

,Standard,PreCal,PostCal,RawValue,Temp
Pt1,103.00 RFU,98.95 RFU,103.00 RFU,0.00 RFU,15.000 °C
Pt2,0.00 RFU,-0.68 RFU,0.00 RFU,0.00 RFU,25.000 °C
6011 2022-09-16 Hill Slough fDOM Channel Removed Lab none Removed as part of the EXO2 channel deployed in the channel at HS. Brought back to the lab for cleaning and calibration.
6008 2022-07-13 Lab none Installed Hill Slough fDOM Channel Installed as part of the EXO2 sonde at HS in the channel off of the boardwalk, about 30m east of the tower.