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  Aqua TROLL 200


The Aqua TROLL® 200 instrument measures and logs conductivity, temperature, and water level/pressure. Conductivity measurements can be used to characterise water quality changes relative to a baseline or to estimate the concentration of contaminants. Dynamic density compensation delivers superior water level accuracy in environments where salinity values vary due to mixing, rainfall, or tides.

High Specification Titanium Data Logger
Aqua TROLL instruments are enclosed in a solid titanium housing providing greatest confidence for water level and water quality monitoring applications even in the harshest of environments.

Ruggedised EC Logger for all Environments
- Narrow 18.3 mm outer diameter housing
- Customisable scheduling — linear, linear average and event modes
- 4MB memory / 190,000 readings / 50 separate data logs
- Program and download via Level TROLL Com device
- Extended battery life (10 years / 200,000 readings)
- Supplementary battery and mains power options
- Optional TROLL Shield antifouling system
- Easy to use Win-Situ® 5 software for PC
- Win-Situ® Mobile software for handheld PDA's
- 2 year warranty

Choice of vented or non-vented instruments
- 6 vented models (3.5m to 350m water depth)
- 4 non-vented models (11m to 342m water depth)

Calibration to external NIST standards
- Calibration across full temperature and pressure range
- EC accuracy (for EC<80 mS/cm): 0.5% of reading
- EC accuracy (for EC>80 mS/cm): 1.0% of reading
- Level accuracy at 15C: 0.05% of scale
- Level accuracy across whole TP range: 0.1% of scale

Flexible Deployment Options
- Use with Aqua TROLL® vented or non-vented Rugged Cable for real-time data access
- Connect to telemetry, SCADA, PLC or other systems via Modbus/RS485, SDI-12 or 4-20 mA cable
- Suspend non-vented loggers from inexpensive stainless steel wire or kevlar cord .

See our Vented System Sheet or Non-Vented System Sheet for full details of components and options.

Why Choose In-Situ Loggers?
Unlike the competition, In-Situ Loggers are accurate across their full pressure and temperature range. Calibration is traceable to national standards (NIST) - others use in-house standards only. We use a common easy to use software platform across our entire range of loggers. We manufacture and deliver to meet customer expectations backed up with dedicated and professional customer service and technical support.

For more information download our pdf sheet Why Choose In-Situ?

Go to Aqua TROLL Download Page for:
• Technical Specifications
• Quick Start Guides and Manuals
• Accuracy and Calibration
• Applications and Case Histories
• and more!

or call +44 121 733 7743 today to speak to our technical sales team.


For more details:
Download as PDF



Aqua TROLL 200 Vented (Gauged)
Choose from 6 pressure ratings ranging from 3.5m to 352m water depth.

For real time communications:
- suspend from vented direct-read Rugged Cable
- programme and download data using a Troll Com communications device.

Barometric compensation is automatically applied.
Aqua TROLL 200 Vented
Code Description
I0056000 Aqua TROLL 200 - 3.5m Vented.  
I0056010 Aqua TROLL 200 - 11m Vented.  
I0056020 Aqua TROLL 200 - 21m Vented.  
I0056030 Aqua TROLL 200 - 70m Vented.  
I0056040 Aqua TROLL 200 - 211m Vented.  
I0056050 Aqua TROLL 200 - 351m Vented.  


Aqua TROLL 200 Non-Vented (Absolute)
Choose from 4 pressure ratings ranging from 11m to 342m water depth.

For standalone use:
- select a stainless steel hanger for the top of the logger
- suspend from inexpensive stainless steel wire or kevlar cord.
- programme and download data using a Troll Com communications device. for real-time data access

For real time communications:
- suspend from non-vented direct-read Rugged Cable
- programme and download data using a Troll Com communications device.

For barometric compensation with standalone and direct read options:
- select a BaroTROLL with backshell hanger.

Code Description
I0056060 Aqua TROLL 200 - 11m  
I0056070 Aqua TROLL 200 - 60m  
I0056080 Aqua TROLL 200 - 200m  
I0056090 Aqua TROLL 200 - 341m  
I0051480 Level TROLL - Twist-Lock Backshell / Hanger, Titanium (non-vented sensors only)  


Baro TROLL
The titanium Baro TROLL instrument measures and logs barometric pressure and temperature It can be deployed using direct read RuggedCable or standalone.

For standalone use, select a titanium twist-lock backshell hanger (cap).

Win-Situ Baro Merge™ software simplifies compensation of water level data by automatically subtracting barometric data from level data collected by any Level TROLL.
Code Description
I0089100 Baro TROLL  
I0051480 Level TROLL - Twist-Lock Backshell / Hanger, Titanium (non-vented sensors only)  


Aqua TROLL Shield
The TROLL® Shield Antifouling system extends deployments. When used at coastal and high-fouling sites, the TROLL Shield antifouling system combats biofouling of the Aqua TROLL instrument and its conductivity cell. Reduced sensor fouling extends deployments by up to 8 weeks and improves instrument accuracy and performance.

Use the coiled copper guard with both the Aqua TROLL 100 and 200 instruments. Use the copper nose cone with the Aqua TROLL 200. For optimum performance, replace the guard every 6 months.

Download Troll Shield Nose Cone Instructions

For Troll Shield Guard Instructions download the following pdf sheet.
TROLL Shield Antifouling System

Code Description
I0085400 TROLL Shield - Aqua TROLL 200 Antifouling Kit (guard & cone)  
I0081480 TROLL Shield antifouling copper nosecone (spare)  
I0085190 TROLL Shield - Aqua TROLL sensor guard (spare)  


TROLL Additional Battery Pack
Titanium housed, slim-line (18.3mm) TROLL Battery Pack for extending the life of your loggers without removing them from the field. Simply plugs into the top of an existing logger or RuggedCable using twist-lock connector. See pdf for further details.

Code Description
I0051450 TROLL Power - Battery Pack  


Aqua TROLL EC Calibration

Code Description
I0056280 Aqua TROLL 200 - Calibration Cup  
I0056820 Aqua TROLL 100 - Conductivity Cell Cleaning Swabs  
HI-7030 12,880 us/cm EC calibration solution (460ml bottle)  
HI-7031 1413 us/cm EC calibration solution (460ml bottle)  


Aqua TROLL Spares
Spare titanium twist-lock backshell hanger and black delrin nose cone.
Code Description
I0051480 Level TROLL - Twist-Lock Backshell / Hanger, Titanium (non-vented sensors only)  
I0051130 Level TROLL - Replacement Nose Cone (Threaded)  


Aqua TROLL Re-calibration

Code Description
PPK20 International Handling and Shipping  


Aqua TROLL Warranty
The Aqua TROLL 200 is supplied with a standard warranty of 2 years which can be optionally extended to a total of 5 years.

In-Situ offer an extended warranty programme which is the most convenient, efficient, and cost-effective way to keep your Level TROLL instrument performing at optimum levels.

Extended warranties can be purchased at any time within the initial 2 year product warranty enabling a total warranty period of up to 5 years from the date of shipment. This eliminates any uncertainty about future performance or unexpected costs.

The warranty guards against manufacturing defects and failures. The warranty program also gives you access to a discounted maintenance and re-calibration programme (see servicing section) throughout the extended warranty period.

Code Description
I0063050 Aqua TROLL Warranty - Extended to Total of 3 years  
I0063060 Aqua TROLL Warranty - Extended to Total of 4 years  
I0063070 Aqua TROLL Warranty - Extended to Total of 5 years  

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