Van Essen CTD-Diver Water Level & Conductivity Loggers

The Van Essen CTD-Diver is a datalogger designed to measure water pressure, electrical conductivity and temperature.

Features

  • Compact size: 22mm diameter x 135mm length
  • Stores 144,000 records of time, pressure, temperature and conductivity
  • Innovative ceramic casing aids durability in brackish and salt water
$2,144.91
Stock Check Availability  
Van Essen CTD-Diver Water Level & Conductivity Loggers

Overview
The Van Essen CTD-Diver works wherever there is a need to monitor groundwater levels and saltwater intrusion, injected wastewater, or contamination from chemical discharges and landfill sites. The CTD-Diver is equipped with a four-electrode conductivity sensor that measures electrical conductivity from 0 to 120 mS/cm. There are two options for measuring conductivity: true or specific conductivity at 25 degrees C. Additionally, pressure and temperature are measured and recorded.

Questions & Answers
What software is needed for the CTD logger?
Diver-Office is a free software that can be downloaded on the Van Essen website. You can use the software to export data reports, visualize data and change logger settings.
How many measurements can the CTD Diver hold?
The memory capacity for the logger is 48,000 measurements.
Does the CTD diver need calibrated prior to use?
The logger is factory calibrated for temperature, pressure and conductivity prior to shipment. To calibrate conductivity in the field, a 2-point calibration (dry air/standard) can be performed to ensure accurate readings and a 4-point calibration will bring the logger up to specifications for the full-measurement range for conductivity.
Are the DI27x CTD-Divers still available?
The DI271, DI271, DI273, and DI1274 CTD-Divers were discontinued in late 2021 and replaced with the newer DI28x models. Notable improvements include more memory, and a lower price point.
Did you find what you were looking for?

Select Options

  Products 0 Item Selected
Image
Part #
Description
Price
Stock
Quantity
Side profile of the Van Essen CTD-Diver logger.
DI281
CTD-Diver water level, conductivity & temperature logger, 10m range
$2,144.91
Check Availability  
Van Essen CTD-Diver Water Level & Conductivity Loggers
DI282
CTD-Diver water level, conductivity & temperature logger, 50m range
$2,144.91
Check Availability  
Van Essen CTD-Diver Water Level & Conductivity Loggers
DI283
CTD-Diver water level, conductivity & temperature logger, 100m range
$2,144.91
Check Availability  
Van Essen CTD-Diver Water Level & Conductivity Loggers
DI284
CTD-Diver water level, conductivity & temperature logger, 200m range
$2,144.91
Check Availability  
  Accessories 0 Item Selected

In The News

Van Essen Diver-Link Cellular Telemetry System with Diver-Hub

The Van Essen Diver-Link Cellular Telemetry System enables professionals to monitor water level, conductivity and temperature readings from their home or office. The near real-time data allows scientists, managers, and other environmental professionals to monitor flood events, well depths and groundwater levels.  Long-term monitoring allows users to develop trends on ever-changing climate conditions. The Van Essen Divers ( CTD-Diver, Cera-Diver, TD-Diver and Mirco-Diver) work well for monitoring water supply, tailing ponds, dewatering, contaminant plumes and hazardous waste storage sites . The Diver-Link allows users to monitor groundwater via the Diver-Hub Web Portal for real-time management of site data, equipment and water levels.

Read More

Save our Bogs! Culture, Conservation and Climate Action in Ireland’s Peatlands

Characterized by long-term accumulation under waterlogged conditions, peatlands exist on every continent and account for 3-4% of the global land surface . Small but mighty, these often overlooked wetland environments are estimated to hold as much as one-third of the world's organic carbon in their soil—twice the amount found in the entirety of the Earth's forest biomass. While healthy peatlands can trap and store carbon, regulate water, and provide important habitats for rare species, human alteration has disturbed peatland carbon and nitrogen cycles on a global scale. Approximately 12% of the world’s peatlands have been drained and degraded through conversion for agriculture, forestry, infrastructure development, and other uses.

Read More

Sargassum Surge: How Seaweed is Transforming our Oceans and Coastal Ecosystems

Until recently, Sargassum –a free-floating seaweed–was distributed throughout the Sargasso Sea , the north Caribbean Sea, and the Gulf of Mexico. But in the space of a decade, this seaweed has, as one scientist remarks , “Gone from a nonfactor to the source of a terrible crisis.” Driven by climate change, anomalous North Atlantic Oscillation in 2009-2010 and a glut of anthropogenic pollutants, sargassum has proliferated. Seasonally recurrent mats as deep as 7m now bloom in the “Great Atlantic Sargassum Belt” (GASB), which covers areas of the Atlantic from West Africa to the Caribbean Sea and Gulf of Mexico. Every year, millions of tons wash up along the shores of more than 30 countries . Dr.

Read More
×
Multiple Products

have been added to your cart

There are items in your cart.

Cart Subtotal: $xxx.xx

Go to Checkout