Van Essen Micro-Diver Water Level Loggers
The Van Essen Micro-Diver is designed to measure water pressure and temperature autonomously after being programmed to suit user needs.
Features
- Compact size: 18mm diameter x 88mm length
- Stores 48,000 records of time, pressure and temperature
- Pre-programmed and user defined pumping tests
- Free ground shipping
- Expedited repair and warranty service
- Lifetime technical support
- More
Overview
The Van Essen Micro-Diver is the smallest Diver capable of accurately recording groundwater levels and temperature. The Micro-Diver is specifically designed for monitoring wells or drive-points too small to accommodate larger dataloggers. In addition to its compact size, the Micro-Diver’s memory capacity can store up to 48,000 measurements per parameter - almost one measurement every ten minutes for an entire year.
Compact Pressure Sensor
The Van Essen Micro-Diver is the smallest Diver with a diameter of 18 mm and a stainless steel (316 L) casing. The Micro-Diver is suitable for pipes with a diameter of at least 20 mm (0.787 in). The Diver consists of a pressure sensor, a temperature sensor and memory for storing measurements and a battery. The Diver is an autonomous datalogger that can be programmed by the user. The Diver has a completely sealed enclosure. The communication between Divers and Laptops/field devices is based on optical communication.
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 MoreVan Essen Diver Loggers Join Fondriest Product Lineup
New to Fondriest Environmental’s product portfolio are the Van Essen Instruments Diver loggers, which are ideal for monitoring groundwater and surface water in a variety of applications. See below for a short description of each new addition. 
 
 Van Essen CTD-Diver Water Level & Conductivity Logger 
 
If you need to monitor groundwater levels and saltwater intrusion, injected wastewater, or contamination from chemical discharges and landfill sites, the CTD-Diver is a good choice. It features a rugged, corrosion-proof ceramic housing and is equipped with a four-electrode conductivity sensor to measure electrical conductivity from 0 to 120 mS/cm. There are two options for measuring conductivity: true or specific conductivity at 25 degrees Celsius.
Read MoreFall 2024 Environmental Monitor Available Now
In the Fall 2024 edition of the Environmental Monitor, we highlight resource managers and researchers who work together to protect and preserve natural resources. From monitoring above and below dams to studying harmful algal bloom dynamics in local water bodies, this latest edition highlights the role of environmental data-informed resource management. 
 
Featuring stories from glaciologists to managers of multi-site resource monitoring programs throughout the United States, our writers sought out environmental professionals dedicated to understanding environmental resources and the stressors that threaten them, using data to inform policies, restoration, and various initiatives. 
 
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