FeSiO Engineering
Engineering for the future generation
Dataloggers
TD-Diver
Description
The TD-Diver is a submersible datalogger for long-term uninterrupted, real-time water level monitoring using a pressure sensor when submerged at a fixed level under the water surface. The pressure sensor measures the equivalent hydrostatic pressure of the water above the sensor diaphragm to calculate the total water depth. The Diver autonomously measures pressure and temperature and records them in its internal memory. The Diver is ideal for ground and surface water level applications.
The TD-Diver features:
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Designed for up to 10 years of use.
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Solid enclosure to make borehole deployments easier.
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Spend less time in the field with fast download speeds
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Large memory enables users to take a sample every 15 minutes for 2 years.
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Enhanced data integrity with the new backup memory feature.
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Compatible with all of your existing Diver accessories.
This Diver features a stainless steel (316 L) casing with a 22 mm diameter. The TD-Diver can store a maximum of 72,000 measurements (date/time, pressure, and temperature) in its working memory and 72,000 measurements in its backup memory.
The TD-Diver samples pressure and temperature at fixed length intervals and stores these values in fixed length or continuous memory.
The TD-Diver is available in the following pressure ranges 10 m, 20 m, 50 m, and 100 m.
Features
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A fully charged battery can be used for one or more days in the field
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Radio range to Diver-DXT up to 500 m Line of Sight
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Connect to monitoring wells up to 500 meters away
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Light weight and small form factor
Benefits
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Save time
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Safely collect data
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Simple installation
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Deploy anywhere
Baro-Diver
Description
The Baro-Diver® is a datalogger for long-term uninterrupted, real-time atmospheric pressure monitoring. In addition, the Baro-Diver can monitor shallow water levels using a pressure sensor when submerged at a fixed level under the water surface. The pressure sensor measures the equivalent hydrostatic pressure of the water above the sensor diaphragm to calculate the total water depth. The Diver autonomously measures pressure and temperature and records them in its internal memory.
The Baro-Diver features:
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Designed for up to 10 years of use.
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Fast download speed so you spend less time in the field.
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Large memory lets you take a sample every hour for 8 years.
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Enhanced data integrity with the new backup memory feature.
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Compatible with all of your existing Diver accessories.
This Diver features a stainless steel (316L) casing with a 22 mm diameter. The Baro-Diver can store a maximum of 72,000 measurements (date/time, pressure and temperature) in its working memory and 72,000 measurements in its backup memory.
The Baro-Diver samples pressure and temperature at fixed length intervals and stores these values in fixed length or continuous memory.
Features
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Compact size: Ø 22 mm – length 110 mm
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Memory: 72,000 records of time stamp, pressure and temperature with backup
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Continuous and fixed length memory
Benefits
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Easy installation
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Cost effective frequent, long-term measuring
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Reliable and accurate data
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Low maintenance, No user calibration
Cera-Diver
Description
Monitoring groundwater under potentially corrosive conditions, such as brackish water and seawater, requires a robust and durable datalogger.
The ceramic-shelled Cera-Diver is designed specifically for such environments. This highly reliable and compact Diver measures groundwater levels with a typical accuracy of ±0.05% full scale.
In addition to its rugged casing, the Cera-Diver’s memory capacity can store up to 48,000 measurements (date/time, pressure and temperature) – almost one measurement every ten minutes for an entire year.
The Cera-Diver has the following sample methods: fixed length intervals, event dependent, averaging and pumping test.
The Cera-Diver is available in the following pressure ranges: 10 m, 20 m, 50 m and 100 m.
Features
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inovative ceramic housing technology
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Three sensors in one sealed housing
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Conductivity range up to 120 mS/cm
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Compact size: Ø 22 mm – length 135 mm
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Various measurement methods
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Memory: 144,000 measurements of time stamp, pressure, temperature and conductivity with backup
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200-meter pressure range version availabl
Benefits
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Corrosion Proof
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Monitor conductivity, water levels, and temperature
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Suitable for use at most sites
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Easy installation in almost every well
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Event based, averaging and pumping tests sample methods to conserve memory
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Cost effective frequent, long-term measuring
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Reliable and accurate data
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Suitable for wells with deep filters
CTD-Diver
Description
Where there is a need to monitor groundwater levels and saltwater intrusion, injected wastewater, or contamination from chemical discharges and landfill sites, the CTD-Diver® with its 22 mm diameter rugged, corrosion-proof ceramic (zirconium-oxide) housing, is the instrument of choice. It autonomously measures conductivity, pressure, and temperature and records them in its internal memory. The CTD-Diver is ideal for ground and surface water level applications.
The CTD-Diver is a submersible datalogger for long-term uninterrupted, real-time water level monitoring using a pressure sensor when submerged at a fixed level under the water surface. The pressure sensor measures the equivalent hydrostatic pressure of the water above the sensor diaphragm to calculate the total water depth. The 4-electrode conductivity sensor measures the true or specific electrical conductivity of the water from 0 to 120 mS/cm.
The CTD-Diver can store a maximum of 144,000 measurements (date/time, pressure, temperature, and conductivity) in its working memory and 144,000 measurements in its backup memory.
The CTD-Diver has the following sample methods: fixed length intervals, event-dependent, averaging, and pumping tests. The measurements are stored in fixed length or continuous memory (fixed length only).
The CTD-Diver is available in the following pressure ranges 10 m, 50 m, 100 m, and 200 m.
Features
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Innovative ceramic housing technology
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Three sensors in one sealed housing
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Conductivity range up to 120 mS/cm
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Compact size: Ø 22 mm – length 135 mm
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Various measurement methods
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Memory: 144,000 measurements of time stamp, pressure, temperature and conductivity with backup
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200-meter pressure range version available
Benefits
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Corrosion Proof
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Monitor conductivity, water levels, and temperature
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Suitable for use at most sites
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Easy installation in almost every well
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Event based, averaging and pumping tests sample methods to conserve memory
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Cost effective frequent, long-term measuring
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Reliable and accurate data
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Suitable for wells with deep filters
Micro-Diver
Description
Measuring only 88 mm (3.46″) in length and 18 mm (0.71″) in diameter, the Micro-Diver is Van Essen’s smallest Diver. The Micro-Diver® is a submersible datalogger for long-term, uninterrupted, real-time water level monitoring using a pressure sensor when submerged at a fixed level under the water surface. The pressure sensor measures the equivalent hydrostatic pressure of the water above the sensor diaphragm to calculate the total water depth. The Diver autonomously measures pressure and temperature and records them in its internal memory. The Diver is ideal for ground and surface water level applications.
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 (date/time, pressure and temperature) – almost one measurement every ten minutes for an entire year.
The Micro-Diver has the following sample methods: fixed length intervals, event dependent, averaging and pumping test.
The Micro-Diver is available in the following pressure ranges: 10 m, 20 m, 50 m and 100 m..
Features
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Compact size: Ø 18 mm – length 88 mm
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48,000 records of time stamp, pressure and temperature
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30-Point Pressure Factory Calibration
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Pre-programmed and user defined pumping tests
Benefits
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Fits ¾ inch drive points and piezometers
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Event based, averaging and pumping tests sample methods to conserve memory
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Cost effective frequent, long-term measuring
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Reliable and accurate data
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No need to search through extraneous data
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Fits any application