Equipment and Calibration

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Equipment Entry

Instrument:Fluorometer
Manufacture:YSI
Model No:EXO fDOM
Serial No:22C100780
Tag No:
Acquisition Date:2022-04-26
Project:Dutch Slough
Location on 2024-10-23:Gilbert Tract,
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
6943 2024-10-23 Lab none Installed Gilbert Tract fDOM Installed in the GT channel after calibration
7038 2024-10-22 Lab none Calibration Lab none fDOM (QSU and RFU), Last cal:
EXO sn 23H107001
EXO/Sensor Firmware: 1.0.86/3.0.0
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 QSU,-1.75 QSU,0.00 QSU,0.00 QSU,23.325 °C
Pt2,300.0 QSU,272.10 QSU,300.00 QSU,0.00 QSU,22.418 °C

,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 RFU,-0.61 RFU,0.00 RFU,0.00 RFU,23.221 °C
Pt2,100.00 RFU,91.28 RFU,100.00 RFU,0.00 RFU,22.440 °C
Note: Made fresh calibration solution using QSE solution from 2024-07-20. Calibrated with a mess-up calibration solution yesterday so did a factory reset before today's calibration.
6927 2024-10-17 Gilbert Tract fDOM Removed Lab none Removed from GT channel and brought back to the lab for calibration
6827 2024-08-16 Lab none Installed Gilbert Tract fDOM Installed with EXO3s in Gilbert Tract channel, co-located with the ADCP and channel miniDOT
6792 2024-07-24 Lab none Calibration Lab none fDOM (QSU and RFU), Last cal: 10/27/2023 14:54 AM
EXO sn 23H107001
EXO/Sensor Firmware: 1.0.86/3.0.0
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 QSU,-2.37 QSU,0.00 QSU,0.00 QSU,23.604 °C
Pt2,313.80 QSU,290.85 QSU,313.83 QSU,0.00 QSU,12.006 °C

,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 RFU,-0.84 RFU,0.00 RFU,0.00 RFU,24.327 °C
Pt2,104.60 RFU,91.47 RFU,104.61 RFU,0.00 RFU,12.002 °C
Note: Used calibration solution from 2024-07-21. This sensor was returned to us from USGS on 2024-07-23 at Gilbert Tract.
6771 2024-07-23 Gilbert Tract Removed Lab none Returned to us from USGS. Was deployed with their EXO in the Gilbert Tract channel.
6060 2022-11-03 Gilbert Tract Calibration Gilbert Tract fDOM (QSU and RFU), Last cal: 10/24/2022 8:08:51 AM
EXO sn 22C100485
EXO/Sensor Firmware: 1.0.86/3.0.0
UCSC sensors sn 591 and sn 592 were really off even though calibrated recently. Will accept calibration and just run them at the GT channel for a week to see if they drift.
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 QSU,-1.28 QSU,0.00 QSU,0.00 QSU,16.696 °C
Pt2,316.50 QSU,315.87 QSU,316.54 QSU,0.00 QSU,10.444 °C

,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 RFU,0.11 RFU,0.00 RFU,0.00 RFU,10.610 °C
Pt2,105.50 RFU,92.32 RFU,105.51 RFU,0.00 RFU,11.275 °C
5826 2022-05-06 Lab none Installed Gilbert Tract none Mckenna from USGS installed this at the GT breach site next to the other USGS water sensors in the channel. They plan to service the sensors every 3 months.