Van Essen TD-Diver Water Level Loggers
Features
- Compact size: 22mm diameter x 110mm length
- Stores 72,000 records of time stamp, pressure and temperature with backup
- Continuous and fixed length memory (linear sample method)
| Image | Part# | Product Description | Price | Stock | Order | |
|---|---|---|---|---|---|---|
 | DI801 | TD-Diver water level & temperature logger, 10m range | $575.00 | In Stock | ||
 | DI802 | TD-Diver water level & temperature logger, 20m range | $575.00 | In Stock | ||
 | DI805 | TD-Diver water level & temperature logger, 50m range | $575.00 | Usually ships in 3-5 days | ||
 | DI810 | TD-Diver water level & temperature logger, 100m range | $575.00 | Usually ships in 3-5 days | ||
| Image | Part# | Product Description | Price | Stock | Order | |
|---|---|---|---|---|---|---|
 | DI800 | Baro-Diver pressure & temperature logger, 1.5m range | $450.00 | Usually ships in 3-5 days | ||
 | AS330 | Diver interface unit, USB | $205.00 | Usually ships in 3-5 days | ||
 | AS327 | Diver data cable interface unit for AS6xxx Diver Data Cables, USB | $200.00 | In Stock | ||
 | AS346 | Diver smart interface cable for AS2xxx Diver Data Cables, USB | $215.00 | Usually ships in 3-5 days | ||
 | DI420 | Diver-Mate data download unit | $300.00 | Usually ships in 3-5 days | ||
 | AS379 | Diver-SDI interface box, SDI-12 | $300.00 | Usually ships in 3-5 days | ||
 | AS339 | Diver-MOD interface box, RS-485 Modbus RTU | $300.00 | Usually ships in 3-5 days | ||
 | AS400 | Diver-DXT radio transmitter without barometric pressure sensor | $400.00 | Usually ships in 3-5 days | ||
 | AS401 | Diver-DXT radio transmitter with barometric pressure sensor | $450.00 | Usually ships in 3-5 days | ||
 | AS345 | Diver-Gate(M) radio receiver | $680.00 | Usually ships in 3-5 days | ||
 | AS2001 | Diver DXT data cable, 1m | $149.00 | Usually ships in 3-5 days | ||
 | AS2002 | Diver DXT data cable, 2m | $151.00 | Usually ships in 3-5 days | ||
 | AS2003 | Diver DXT data cable, 3m | $153.00 | Usually ships in 3-5 days | ||
 | AS2004 | Diver DXT data cable, 4m | $155.00 | Usually ships in 3-5 days | ||
 | AS2005 | Diver DXT data cable, 5m | $157.00 | Usually ships in 3-5 days | ||
 | AS2007 | Diver DXT data cable, 7m | $161.00 | Usually ships in 3-5 days | ||
 | AS2010 | Diver DXT data cable, 10m | $167.00 | Usually ships in 3-5 days | ||
 | AS2015 | Diver DXT data cable, 15m | $177.00 | Usually ships in 3-5 days | ||
 | AS2020 | Diver DXT data cable, 20m | $187.00 | Usually ships in 3-5 days | ||
 | AS2030 | Diver DXT data cable, 30m | $207.00 | Usually ships in 3-5 days | ||
 | AS2040 | Diver DXT data cable, 40m | $227.00 | Usually ships in 3-5 days | ||
 | AS2050 | Diver DXT data cable, 50m | $247.00 | Usually ships in 3-5 days | ||
 | AS2060 | Diver DXT data cable, 60m | $267.00 | Usually ships in 3-5 days | ||
 | AS2080 | Diver DXT data cable, 80m | $307.00 | Usually ships in 3-5 days | ||
 | AS2100 | Diver DXT data cable, 100m | $347.00 | Usually ships in 3-5 days | ||
 | AS2150 | Diver DXT data cable, 150m | $447.00 | Usually ships in 3-5 days | ||
 | AS2200 | Diver DXT data cable, 200m | $547.00 | Usually ships in 3-5 days | ||
 | AS2250 | Diver DXT data cable, 250m | $647.00 | Usually ships in 3-5 days | ||
 | AS2300 | Diver DXT data cable, 300m | $747.00 | Usually ships in 3-5 days | ||
 | DN421 | Diver-Link cellular telemetry system with internal antenna, battery sold separately | $749.00 | Usually ships in 3-5 days | ||
The TD-Diver is based on an ingenious and proven concept and is acknowledged as the most reliable instrument for the autonomous measuring and recording of groundwater level and temperature. Its internal memory of 72,000 measurements per parameter provides sufficient capacity to perform nearly one measurement every hour for 8 years. A new backup memory feature enhances data integrity. For each measurement, the Diver registers the date and time, groundwater level, and temperature.
In The News
Van Essen TD-Diver: Robust Level Logger Ups Data Efficiency
All sorts of applications employ groundwater level loggers. These are typically deployed in piezometers, and log measurements for as long as the project requires. For those environmental professionals looking for a more long-term solution, the new Van Essen TD-Diver groundwater level logger is a solid choice. The new groundwater level logger launched in November 2016 with an eye toward including improvements to make it an even more robust option for groundwater monitoring. Over the years, through customer feedback and other experiences, managers at the company had envisioned quite a list of things to add. Among these, there are a few that environmental pros could really find handy.
Read More
Sewage an Unseen and Ignored Threat to Coral Reefs and Human Health
It’s an open, dirty secret that the ocean is used as the ultimate sewage solution. Each year trillions of gallons of untreated waste are sent to the ocean due to a widespread lack of sanitation technology or infrastructure that needs updating as cities and populations grow. As the impact of untreated sewage on the ocean becomes clearer, attention to the problem and strategies for dealing with it have not kept up. “This is a massive problem and it’s been largely ignored,” said Stephanie Wear, senior scientist and strategy advisor for The Nature Conservancy. Wear has turned her attention to raising the alarm about the effects of sewage on coral reefs, which often loses airtime to other pressing issues like climate change and overfishing.
Read More
Lake Superior Algal Blooms Surprise, Highlight Need for More Monitoring
In 2012, for maybe the first time, Lake Superior got scummy. Visitors to the Apostle Islands National Lakeshore reported algae washing up on shore around the park. It was a marked shift for the park, made up of a portion of the Lake Superior lakeshore and nearby islands. The water surrounding the park is cold, clear and typically low in nutrients: a combination unlikely to result in algal blooms. But, in 2012 and again in 2018 after violent storms, major algal blooms—ones observed over multiple days—washed ashore and clogged the beaches with unsightly, scummy algae. Not the usual suspects The algal blooms of Lake Superior are not the algal blooms of warmer, more nutrient-rich lakes like Lake Erie.
Read More
