Equipment and Calibration

Equipment Entry

Instrument:	CH4 Probe
Manufacture:	Pro-Oceanus
Model No:	MiniCH4
Serial No:	38-572-25
Tag No:
Acquisition Date:	2025-01-03
Project:	Borrowed
Location on 2025-03-13:	Lab,
Notes:	Borrowed from Sheel Bansal at the USGS after factory re-calibration at Pro-Oceanus. 5 probes, 3 interface boxes (2 long cable, 1 short), 2 Sea-Bird pumps, 4 external battery cases, 8 spare battery packs (8 D-cell), 4 short water proof cables, 4 wall warts, 2 USB-serial adapters, 3 serial cables, bag of port plugs.

No documents found

Rec No.	Date	Loc From	Title	Loc To	Notes
7161	2025-03-13	Lab none	Tested	Lab none	I ran this sensor in continuous mode for 10s of minutes and it never stopped reading -10 for CH4. I removed the filter and didn't seen any obvious signs in water getting in. Need to contact ProOcenanus.
7157	2025-03-07	Mayberry CH4 Probe	Removed	Lab none	This sensor had fallen out of the cable ties and its sensor may have been in the sediment. The CH4 readings steadily rose past 4% but it was dropping out before climbing. Removed for testing.
7152	2025-01-15	Lab none	Installed	Mayberry CH4 Probe	Installed on the northeast scaffolding foot at a fixed height. Interface box in the data logger enclosure.