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.
Starting At
$2,274.00
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Availability
This item is currently on order from the manufacturer, but it has not yet arrived to our warehouse.
For a current estimate of availability, please call 888-426-2151 or or fill out the form below:
This item drop ships directly from the manufacturer, and the actual lead time is dependent on availability at their warehouse.
For a current estimate of availability, please call 888-426-2151 or or fill out the form below:
Fulfillment times may be longer than usual due to component shortages and other factors outside of our control.
For a current estimate of availability, please call 888-426-2151 or or fill out the form below:
Shipping Policy
Return Policy
Shipping, Delivery, Order Processing & Product Availability
Fondriest uses the best carriers to make sure orders get to you on time. Learn more about shipping times, methods, costs, and carriers.
Delivery Time
Shortly after you place your order, you will receive an Order Acknowledgement email to confirm your order details, including shipping and a delivery estimate. Once your order has been prepared for shipment and shipped, you will receive a Shipment Notification email with the carrier and tracking information.
Shipping and Delivery Estimates
The 'Ships' timeframe is an estimate of when the item will ship from our warehouse. All items will ship at one time unless you specifically request a partial shipment. In which case, the items on your order will ship as they become available.
The ‘Delivers’ timeframe is an estimate of when the item will be delivered. The estimated delivery time depends on the shipping method you choose during checkout. All estimates are based on business days.
Shipping Options
Fondriest offers several convenient shipping options via UPS.
| Ground Shipping: | Products shipped via ground service are typically delivered within five business days after shipment. |
| 2-Day Shipping: | For an additional charge, Fondriest offers 2-day shipping for most products. Products shipped via two-day service prior to 4:00 p.m. EST are usually delivered by 7:00 p.m. local time two business days after shipment. |
| Overnight Delivery: | For an additional charge, Fondriest offers overnight shipping for most products. Products shipped via overnight service prior to 4:00 p.m. EST are normally delivered by 7:00 p.m. local time one business day after shipment. Earlier overnight delivery options may also be available, depending on the destination. |
| Your Account: | For no additional charge, Fondriest can ship on third-party customer accounts via UPS and FedEx. Note that FedEx Ground shipments are picked up the following business day, and Express shipments must be made before 1:00 p.m. EST to ensure same-day pick-up. |
Remember that these estimates are for time in transit only and that they do not apply until the product leaves the Fondriest warehouse. As the delivery of your order is beyond Fondriest’s control once your order leaves the Fondriest warehouse, we cannot assume liability for late deliveries, regardless of the delivery method you specify.
Signature Required on Most Deliveries
Most of Fondriest’s shipments contain valuable equipment. If you will not be at the shipping address to accept delivery of your product, consider shipping the item to an address where someone you trust will be available to sign for your package, or accept your package if a signature is not required for the delivery.
Once your order has prepared for shipment or has shipped, we are unable to change the shipping address. Title and risk of loss to all products will pass to you on delivery. If you are willing to assume the risks of delivering your order without a signature, you may authorize Fondriest to arrange for a delivery that does not require anyone to be at the delivery address.
Undeliverable Packages
Occasionally, packages are returned to Fondriest as undeliverable. When the carrier returns an undeliverable package to Fondriest, please contact us to make arrangements for reshipment.
Failed Delivery Attempts
Most of Fondriest carriers make three attempts to deliver a package. After three delivery attempts, the carrier will return the package to Fondriest.
Order Processing
The estimated shipment date on your order is based on product availability, payment processing time, and warehouse processing time and does not include transit time. We do not begin payment processing until Fondriest receives all of the information that is needed and full payment or a full authorization, in the case of credit card or rental orders.
Fondriest will begin payment processing for orders placed on weekends or holidays on the next business day. Business days are Monday through Friday, excluding federal holidays.
Your order for in-stock items that are eligible for same-day shipping must be received before your local time of 2:00 p.m., pending payment processing, for there to be adequate remaining time in the day for your order to be dispatched.
Product Availability
Fondriest makes every effort to ship your product according to the estimated lead times. The estimated lead times are in business days (Monday through Friday, excluding federal holidays). Although Fondriest makes every effort to ship your order according to the lead time provided, shipping dates may change due to changes in supply. If the lead time changes, Fondriest will contact you via email and provide a revised shipping estimate.
Fondriest makes every effort to supply the products you order, but there may be occasions when Fondriest confirms orders and later learns that it cannot supply the products, either at all or in the quantities ordered. Although rare, these occasions can include when Fondriest learns that the products are no longer being manufactured or they otherwise become unavailable, when Fondriest cannot source components for the configuration you ordered, or when there was a pricing error at the Fondriest Online Store.
In those circumstances, Fondriest will inform you and, if you are interested, Fondriest may suggest alternative products that may meet your needs. If you do not wish to order alternative products, Fondriest will cancel your order for products that cannot be supplied and for any other products that you no longer wish to order as a result, and will issue a refund.
If you are not completely satisfied with your purchase, you may initiate a return within 30 calendar days of receiving your item(s). To begin a return, you must request a Return Material Authorization (RMA) by either contacting your account representative or the general customer support address: customercare@fondriest.com.
Returns without an RMA will not be accepted.
Items returned for credit must be new, unused, and in the original packaging (including any accessories, manuals, and documentation that shipped with the product). Returned items must be received by Fondriest Environmental within 14 calendar days of the issuance of the RMA.
All returned items are subject to inspection and approval prior to the issuance of any credit. If the returned items have been approved, Fondriest will issue a credit based on the original method of payment. Please note that items may be subject to a manufacturer’s restocking fee.
Non-Returnable Items: Fondriest does not permit the return of or offer refunds for the following products:
- Configured-to-order or customized products
- Hazardous materials
- Opened calibration reagents
- Opened software
- Software downloads
- Fondriest Gift Cards
Fondriest recommends using a carrier that offers shipment tracking for all returns. Packages should be insured for the full value in case of loss or damage. Fondriest does not assume any liability for loss or damage to the product during shipping.
Fondriest Exclusives
- Free ground shipping
- Lifetime tech support
- Product Training
- Free 30-day returns
- Quick shipment
At Fondriest, we are committed to providing high-quality products at affordable prices with the industry's best support. Additionally, we offer:
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Discounts
High volume purchases lead to favorable pricing, which is passed on to the customer by way of discount off MSRP.
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Assembly, Test and Calibration
Sensors and instruments are assembled, tested and calibrated prior to shipment. A calibration report is included.
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Lifetime Technical Support
A knowledgeable staff of applications engineers provides ongoing support for the life of the product.
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Product Training
Applications engineers are available for webinars or personalized, on-site startup and training. Extensive measurement technology, product troubleshooting and instrument repair workshops are offered at the Field Station.
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Extended Warranties
Warranties extended beyond factory standards are offered on many items to ensure a lasting useful life.
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Repair
A factory-authorized service center provides fast turnaround product repair and annual maintenance.
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Rental
Rental equipment is available to minimize downtime and cover equipment needs when projects expand.
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Communications
Call, email or chat online with applications engineers. Email correspondence is responsive and a toll-free number is available for added convenience.
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Quick Ship
Many orders ship on the same day and expedited shipping is available. If a product cannot be shipped immediately, customers are notified by phone or email.
VIDEO DEMO 
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Key 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
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.
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DI281
CTD-Diver water level, conductivity & temperature logger, 10m range
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DI282
CTD-Diver water level, conductivity & temperature logger, 50m range
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DI283
CTD-Diver water level, conductivity & temperature logger, 100m range
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DI284
CTD-Diver water level, conductivity & temperature logger, 200m range
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$284.00
$405.00
Diver-MOD interface box for AS2xxx Diver Data Cables, RS-485 Modbus RTU
$416.00
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$416.00
AS2002
Diver DXT data cable, 2m
$188.00
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$188.00
AS2003
Diver DXT data cable, 3m
$190.00
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$190.00
AS2004
Diver DXT data cable, 4m
$192.00
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$192.00
AS2005
Diver DXT data cable, 5m
$194.00
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$194.00
AS2007
Diver DXT data cable, 7m
$198.00
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$198.00
AS2010
Diver DXT data cable, 10m
$204.00
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$204.00
AS2015
Diver DXT data cable, 15m
$218.00
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$218.00
AS2020
Diver DXT data cable, 20m
$228.00
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$228.00
AS2030
Diver DXT data cable, 30m
$254.00
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$254.00
AS2040
Diver DXT data cable, 40m
$278.00
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$278.00
AS2050
Diver DXT data cable, 50m
$303.00
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$303.00
AS2060
Diver DXT data cable, 60m
$327.00
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$327.00
AS2080
Diver DXT data cable, 80m
$375.00
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$375.00
AS2100
Diver DXT data cable, 100m
$422.00
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$422.00
AS2150
Diver DXT data cable, 150m
$547.00
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$547.00
AS2200
Diver DXT data cable, 200m
$666.00
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$666.00
AS2250
Diver DXT data cable, 250m
$787.00
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$787.00
AS2300
Diver DXT data cable, 300m
$910.00
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$910.00
Diver-Link cellular telemetry system with internal antenna, batteries sold separately
$914.00
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$914.00
FNCS1413-BP
Conductivity standard, 1,413 uS, 20mL pouches, pack of 20
$42.27
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$42.27
FNCS9912-BP
Conductivity standard, 12,880 uS, 20mL pouches, pack of 20
$42.27
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$42.27
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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.
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In March of 1913, rain began falling heavily on the Great Miami River Watershed in Southwest Ohio, descending over a region still saturated from a hard winter. Nearly a foot fell over three days, causing a surge of water through the Miami Valley equivalent to the discharge of Niagara Falls over 30 days. The flooding was catastrophic, leading to hundreds of deaths and over $2 billion in damages in today's economy. Across 10 cities, it swept away bridges, tore down telephone wires, and ignited fires that consumed whole blocks. In the wake of the catastrophe, and despite the unfathomable loss, the residents of the Miami Valley banded together to find a solution.
At the Crossroads of the World: Monitoring Marine Impacts of LNG in Panama
Panama has made its name as a crossroads of the world. Each year, an estimated 13,000-14,000 ships use the eponymous canal, which connects maritime trade between the world’s two biggest oceans, along routes that span some 170 countries. Two of Panama’s largest cities sit at either end of the canal–the capital, Panama City, where it meets the Pacific, and Colón, where it meets the Atlantic. Perched on the Atlantic coast, near the entrance to the Panama Canal in Colón Province, is the AES Colón Natural Gas Power Plant. Opened in 2018, it is the first liquefied natural gas (LNG) power plant in Panama–and Central America. The site has a total combined capacity of 350 MW, and also houses a 180,000m³ LNG storage tank.
