The Aqua TROLL^® 200 was designed to meet the needs of water professionals spanning a wide range of harsh applications including marine, ground and surface water applications. Its design allows for multiple installation options for both short-term and long-term deployments.  System components include:

Aqua TROLL^® 200
The Aqua TROLL^® 200 is only 18.3 mm (0.72 in) in diameter and completely self-contained. It includes conductivity, level/pressure and temperature sensors, real-time clock, microprocessor, sealed lithium battery, and up to 4MB data-storage memory (200,000 data points). Body options include a choice of pressure ranges in absolute or gauged pressure sensor.

BaroTROLL^®
The BaroTROLL^® is used to measure and log barometric pressure and temperature changes. It can be used by itself or together with a non-vented (absolute) Aqua TROLL^® 200 to compensate the level readings for fluctuations in barometric pressure where vented cable cannot be used.

Twist-Lock Cables
Surprisingly simple and incredibly reliable. Just press together and twist until they lock! Twist-Lock cables are available vented or non-vented with rugged titanium connectors (2 year warranty).  Select between polyurethane, FEP or halogen-free cable jackets that are custom length up to 4000 ft (1212 m). All Twist-Lock Cables include a Kellems grip for easy suspension.

Stripped & Tinned RuggedCable
Specialty cables are available for convenient connection to PLCs and loggers. 

Short stripped & tinned cables have a male Twist-Lock connector on one end for connection to the female Twist-Lock connector on RuggedCable and stripped & tinned wires on the other for wiring to a PLC.
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RuggedCable™ Stripped & Tinned connects directly to the Aqua TROLL^® 200 with stripped & tinned wires on the other end for connection to a PLC or logger. Available vented or non-vented in custom lengths.
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TROLL Cable Extender
Titanium adapter for joining two lengths of deployment cable. Join two stretches of cable without signal loss. The TROLL^® Cable Extender seals the cables and provides a weight bearing connection. An adjustable Kellems^® Grip is included with each cable for precise installation.
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Twist-Lock Hanger
The Twist-Lock Hanger is a combination back shell cap and hanger to anchor a pre-programmed Baro TROLL^® or non-vented (absolute) Aqua TROLL^® 200 in a well or other site while taking data. No communication capabilities. No venting. Allows use of inexpensive hanging cable.
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TROLL^® Com
TROLL^® Com provides the communication interface between the Aqua TROLL^® 200 and desktop/laptop PC or RuggedReader. It automatically converts the RS-485 signal to RS-232. When attached to a Twist-Lock cable, it allows for venting through the unit and protected by a hydrophobic membrane. TROLL^® Com is the same diameter as the Aqua TROLL^® 200 and is made of titanium for rugged durability.
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Small Desiccant
A protective cap that contains a hydrophobic membrane and indicating desiccant to protect the cable and electronics from condensation of water vapor while maintaining venting. Included with all RuggedCable^® purchases.
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Large Desiccant
A clear acrylic tube with replaceable indicating desiccant, designed to protect the Aqua TROLL^® 200 vented deployment cable in high-humidity environments. Desiccates 20 times more saturated air than the standard small desiccant pack. The desiccant gradually turns from blue to pink as it absorbs moisture.
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