Equipment and Calibration History
History for YSI EXO pH-ORP 24G102326
| Rec No. | Date | Loc From | Title | Loc To | Notes |
|---|---|---|---|---|---|
| 7148 | 2025-02-27 | Lab none | Calibration | Lab none | ORP (mV), Last Cal: 2024-10-22 EXO sn 23H107001 EXO/Sensor Firmware 1.0.86/3.0.0 ,Standard,PreCal,PostCal,RawValue,Temp Pt1,227.0 mV,218.3 mV,227.0 mV,0.0 mV,22.018 °C Note: Old Zobell solution (mixed 2022-09-23) only about 0.4mV different from fresh Zobell solution mixed today and stored in small brown bottle. Old Zobell solution stored in its original large brown bottle. |
| 7147 | 2025-02-27 | Lab none | Calibration | Lab none | pH, Last cal: 2024-10-22 EXO sn 23H107001 EXO/Sensor Firmware: 1.0.86/3.0.0 ,Standard,PreCal,PostCal,RawValue,Temp Pt1,7.01 pH,7.11 pH,7.01 pH,-18.6 mV,20.021 °C Pt2,10.06 pH,10.18 pH,10.06 pH,-192.5 mV,19.981 °C Pt3,4.00 pH,4.09 pH,4.00 pH,153.2 mV,20.023 °C 4-7Slope,4-7mVPerDecade,7-10Slope,7-10mVPerDecade 171.5 mV,56.98 mV,174.1 mV,57.09 Note: Using standards from 2023-12-04 |
| 7142 | 2025-02-18 | Gilbert Tract pH ORP | Removed | Lab none | Removed from the GT channel and brought back to the lab for routine calibration |
| 6945 | 2024-10-23 | Lab none | Installed | Gilbert Tract pH ORP | Installed in the GT channel after calibration |
| 7045 | 2024-10-22 | Lab none | Calibration | Lab none | pH, Last cal: 2024-07-25 EXO sn 23H107001 EXO/Sensor Firmware: 1.0.86/3.0.0 ,Standard,PreCal,PostCal,RawValue,Temp Pt1,7.01 pH,7.03 pH,7.01 pH,-12.6 mV,21.535 °C Pt2,10.06 pH,10.08 pH,10.06 pH,-186.6 mV,22.141 °C Pt3,4.00 pH,4.01 pH,4.00 pH,160.2 mV,22.907 °C 4-7Slope,4-7mVPerDecade,7-10Slope,7-10mVPerDecade 172.8 mV,57.41 mV,174.1 mV,57.07 Note: Used opened standards from Dec 2023. |
| 7044 | 2024-10-22 | Lab none | Calibration | Lab none | ORP (mV), Last Cal: 2024-07-25 EXO sn 23H107001 EXO/Sensor Firmware 1.0.86/3.0.0 ,Standard,PreCal,PostCal,RawValue,Temp Pt1,226.7 mV,222.3 mV,226.7 mV,0.0 mV,23.160 °C Note: Used Zobell solution (mixed 2022-09-23) in small brown plastic bottle. |
| 6929 | 2024-10-17 | Gilbert Tract pH ORP | Removed | Lab none | Removed from GT channel and brought back to the lab for calibration |
| 6830 | 2024-08-16 | Lab none | Installed | Gilbert Tract pH ORP | Installed with EXO3s in Gilbert Tract channel, co-located with the ADCP and channel miniDOT |
| 7047 | 2024-07-25 | Lab none | Calibration | Lab none | pH, Last cal: EXO sn 23H107001 EXO/Sensor Firmware: 1.0.86/3.0.0 ,Standard,PreCal,PostCal,RawValue,Temp Pt1,7.01 pH,7.19 pH,7.01 pH,-10.9 mV,22.992 °C Pt2,10.06 pH,10.18 pH,10.06 pH,-186.1 mV,22.810 °C Pt3,4.00 pH,4.26 pH,4.00 pH,160.6 mV,22.822 °C 4-7Slope,4-7mVPerDecade,7-10Slope,7-10mVPerDecade 171.5 mV,56.98 mV,175.2 mV,57.43 Note: First calibration on a new sensor. Used opened standards from Dec 2023. |
| 7046 | 2024-07-25 | Lab none | Calibration | Lab none | ORP (mV), Last Cal: EXO sn 23H107001 EXO/Sensor Firmware 1.0.86/3.0.0 ,Standard,PreCal,PostCal,RawValue,Temp Pt1,223.0 mV,228.6 mV,223.0 mV,0.0 mV,23.893 °C Note: First calibration on a new sensor. Used Zobell solution (mixed 2022-09-23) in small brown plastic bottle. |