PME miniDOT Dissolved Oxygen Logger
Description
The miniDOT Logger is a completely submersible instrument that logs dissolved oxygen and temperature measurements.
Features
- Long-lasting sensor with stable calibration
- Up to 1-year battery life with user-replaceable batteries
- Also records time, date, and battery voltage
Details
The miniDOT logger is a completely submersible instrument that logs dissolved oxygen and temperature measurements. It includes an optical DO sensor, a temperature sensor, batteries and a micro SD memory card. Data are recorded internally with a sample interval from once per minute to once per hour and can be offloaded to a computer via USB cable.
The miniDOT sensor is an optode that measures lifetime-based luminescence quenching of a thin membrane. The sensing foil contains a coating that has a variable fluorescence that depends upon oxygen concentration in the surrounding water. The sensor is able to compute oxygen concentration in mg/L and record these measurements internally. Each logger is factory-calibrated at 12 oxygen concentrations each at 8 temperatures for a total of 96 calibration points.
| Image | Part # | Product Description | Price | Stock | Order | |
|---|---|---|---|---|---|---|
|
7450 | miniDOT dissolved oxygen & temperature logger | In Stock | |||
| Image | Part # | Product Description | Price | Stock | Order | |
|---|---|---|---|---|---|---|
|
7286 | USB communication cable | In Stock | |||
|
4405 | miniDOT anti-fouling copper mesh kit | Usually ships in 1-2 weeks | |||
|
5945 | miniDOT bracket attachment for miniWIPER | Usually ships in 1-2 weeks | |||
|
5950 | miniWIPER anti-fouling sensor wiper for miniDOT Logger | Usually ships in 1-2 weeks | |||
Related Products
In The News
From Acid Rain to Cyanobacteria, Cary Institute of Ecosystem Studies is a Leader in Environmental Monitoring
Cary Institute of Ecosystem Studies , an independent environmental research organization in Millbrook, NY, is a leader in environmental monitoring – particularly long-term monitoring that spans decades. Steve Hamilton is a freshwater ecologist at Cary Institute and professor at Kellogg Biological Station , a member of the Organization of Biological Field Stations ( OBFS ), at Michigan State University. Hamilton explains, “Environmental monitoring is how ecologists keep a finger on the planet’s rapidly-shifting pulse. By tracking ecological indicators over long timescales, we can identify patterns and better understand how ecosystems are changing. This understanding will guide us as we work to adapt to and mitigate environmental degradation.
Read More
Tracking Aquifer Water With Seismic Noise
In drought-stressed areas like California where every drop in the aquifer counts, seismic noise may be the key to monitoring water. Harvard University PhD student and principal investigator Tim Clements spoke to EM about this recent work, and how it might be a game changer for water watchers across the country. “The inspiration for this research was the historic drought in California from 2011 to 2017,” explains Clements. “This was the driest period in recorded history in the state. We started this research after California had implemented the first mandatory water restrictions in state history in 2015.” According to Clements, the team focused their study on the San Gabriel Valley in Los Angeles County for several reasons.
Read More
Monitoring the Mighty Mississippi
As of 2018, 75 percent of the main channel of the Mississippi River is monitored for water quality. This step forward is the result of an agreement between more than 30 mayors from cities close to the Mississippi River, the Mississippi River Cities and Towns Initiative . Super gauges now monitor nutrients along the river, and Scott Morlock with the US Geological Survey (USGS) spoke to EM about this project. The whole story (map) and super gauges To get a great overview of how the USGS's Mississippi monitoring program works, you can scroll through their story map on the Mississippi River Basin Initiative .
Read More
Follow Us