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Introducing the TROLL® 9500--multi-parameter water quality monitoring made simple! The TROLL® 9500 is a powerful portable unit that houses up to 9 water quality sensors, internal power, and optional data logging capabilities.
Lower Total Cost of Ownership
The TROLL® 9500 saves time and money with convenient features like Quick-Calibrations, automated Low-Flow sampling, field-replaceable sensors, long-lasting internal power, and more. Our field-proven Optical D.O. sensor (RDO®) reduces maintenance and the need to visit the site.
Higher Reliability
The TROLL® 9500 features a corrosion-resistant housing that is suitable for fresh, waste, and marine waters. The battery compartment and cable connector are IP67 rated even when detached. Sensors are field replaceable for easy maintenance and calibration. Plus, we offer 24 hours / 7 days a week FREE technical support for your peace of mind when working in the field.
Proven Accuracy
A factory report using NIST-traceable standards where applicable is included with each unit. Rigorous, independent 3rd-party validation proves our Optical D.O. (RDO®) is the most accurate and rugged sensor in the industry. Ask us for a free report!
Easy Operation
The TROLL® 9500 features innovations like Quick-Cal solutions, Twist-Lock connectors, and user-friendly software that make your job easier.
What's New?
TROLL® 9500 Versions
LTS
LTS stands for “Level, Temperature, and one additional Sensor” such as conductivity, pH, or dissolved oxygen. This version also includes internal data logging. It can be used for coastal applications or to measure ground water quality over time.
Profiler
Ideal for water quality sampling or profiling. The Profiler allows for any of the key water parameters such as pH, ORP, D.O., conductivity/salinity, temperature, depth. Memory is not included, but data can be logged to a RuggedReader® or a PC.
Profiler XP
The Profiler XP offers the same features as the ‘Profiler’ unit, but with the option to use XP or “Extended Parameter” sensors, such as turbidity, ammonium, nitrate, and chloride.
Professional
This version offers the highest value for most applications allowing for all the key parameters similar to the ‘Profiler’ PLUS internal data logging for recording trends over time.
Professional XP
The most capable TROLL® 9500 that offers the same features as the ‘Professional’ unit, but with the option to use XP or “Extended Parameter” sensors, such as turbidity, ammonium, nitrate, and chloride.
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Easy-to-change batteries with an IP67-rated waterproof battery compartment
- IP67 rated, waterproof battery compartment--no electronics are exposed
- Accepts 2 alkaline or high-powered lithium D-cells for maximum battery--reduces the need to carry handfuls of smaller batteries
- Simple design makes changing batteries easy--slide off cover, snap in and you're done!
- Battery compartment is vented to prevent an accidental explosion due to degassing batteries
- Long-lasting power!
Battery Life Estimates (assuming a 15-minute sampling interval and 20C)
| Battery Type |
Sensors |
Total Data Points |
Hours |
Days |
Months |
| 2 D-sized lithium batteries |
Wiper, Temp, Pressure, Baro, Turb, RDO®, pH, Cond |
121,760 |
8,117 |
338 |
11 |
| 2 D-sized lithium batteries |
Wiper, Temp, Pressure, Baro, Turb, DO, pH/ORP, Cond |
134,110 |
8,941 |
373 |
12 |
| 2 D-sized alkaline batteries |
Wiper, Temp, Pressure, Baro, Turb, DO, pH/ORP, Cond |
69,514 |
4,634 |
193 |
6 |
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 Proven Reliable Twist-Lock Cables
- Twist-Lock cables make changing cables easy. Twist on and lock tight. Simple and reliable. No tools required.
- Available in lengths up to 1212m (4000ft)
- 136kg (300lbs) break strength
- Regular or Halogen-free Polyurethane or FEP jacket options
- Includes a Kellems® grip for easy suspension
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| Anatomy of a Twist-Lock Connector
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Rugged Twist-Lock Connectors
- Rugged Twist-Lock Connectors - feature an all Titanium construction and a two(2)-year warranty
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Sealed desiccant options
Help prevent accidental water entry while allowing air to pass. IP67 rated. Attach easily to top of Twist-Lock cable.
A desiccant is included with each Twist-Lock cable.
Optional High-Volume Large desiccant also available.
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| Standard Sensors |
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O ptical Dissolved
Oxygen (RDO®)
> No photo-bleaching
> No hydration effects
> No membranes
> No stirring
> Excellent in anoxic conditions
> 3-year warranty
Proven to be the most accurate and rugged D.O. technology. Learn More...
Temperature
Temperature is a critical water quality parameter and is also used to compensate readings from D.O., pH, conductivity, and ISE nutrient sensors. This precision sensor is accurate and fast responding.
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Dissolved Oxygen
Clark Electrode
Clark D.O. electrodes are a time tested,
reliable way to measure
dissolved oxygen. Easy-to-use
replaceable membrane caps.
Membrane and cleaning kits are a
must to maintain quality
measurements.
 Conductivity • Salinity
TDS • Resistivity
Conductivity is key to any water quality program. Salinity, TDS, and resistivity are derived from this sensor. Low and high-range sensors are available to measure up to 200mS.
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pH • pH/ORP
The new In-Situ pH and pH/ORP sensors are single-junction, combination electrodes that are refillable and feature a field replaceable reference junction.
Barometric Pressure
Barometric pressure is required to calculate percent saturation values for D.O.
Also useful to understand effects of barometric pressure on the water system.
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XP Sensors |
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Level / Pressure
Measure down to  the millimeter! In-Situ® depth sensors feature extreme accuracy and compensation over the entire temperature & pressure range.
Ranges include 11, 21, 70, and 211 meters. A calibration report is included with each unit.
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 Turbidity + Level
Turbidity only
Add turbidity by itself or with a depth sensor. Turbidity follows the ISO7027 standard and offers a wide operating range from 0-2000 NTU.
NTU or FNU units are available.
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D.O. Field Bubbler Kit
Imagine getting a perfect D.O. calibration with minimal setup. The D.O. Bubbler Kit is designed for easy setup in the office or on site. Plus, air-saturated water calibrations give more accurate results! Only from In-Situ®.
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T urbidity Wiper
In high fouling environments or when measuring turbidity over time, a turbidity wiper is a must. Wiper is independent from turbidity sensor and removable for easy maintenance.
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ISE Nutrient Sensors
Nitrate • Ammonium • Chloride
T hese ISE sensors can be used as a profiling tool to indicate gross changes in nutrient levels. Temperature compensated calibration option.
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RDO® (Optical Dissolved Oxygen Sensor)
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TROLL® 9500
with RDO® adapter
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Introducing the Optical Dissolved Oxygen Sensor called Rugged D.O. or "RDO®" exclusively for the TROLL® 9500. The new RDO® sensor utilizes recent advances in lifetime-based optical fluorescence sensor technology to provide an extremely stable, precise and low maintenance dissolved oxygen sensor. This technology stands to revolutionize the current methods of water quality monitoring by elimin ating the need for membranes, stirring, and cleaning while allowing deployment for many months without need for re-calibration.
Optical D.O. sensors... What’s the buzz all about?
- New way of thinking about DO measurement
- Greatly improved Accuracy, Precision, and Repeatability
- Solid-state Construction
- No stirring required
- No anode or cathodes to clean (note: sensor face needs to be kept free of debris)
- Relies on Dynamic Fluorescence Quenching (Lifetime-based measurement)
- NOT based on electrochemical reactions
- Eliminate problems inherent to older DO sensor technologies
- Measures accurately down to 0mg/L
Advantages of Optical D.O.
- No membranes / No electrolyte
- 5 years / 5 Million readings before lumiphore is exhausted
- Up to 1 year between calibrations
- Minimal maintenance / no hazardous cleaning solutions
- No flow requirements
- Fast and stable response
- Low drift
- Excellent performance in anoxic conditions (0 ppm)
- Not ‘poisoned’ by Sulfides
- Not subject to ‘thermal shocking’
- No cross sensitivity to: H2S, pH, CO2, NH3, SO42-, Cl-, Cl2, ClO2, MeOH, EtOH, various ionic species
Comes with a 3-year warranty!
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 Learn more... |
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Turbidity Sensor - follows ISO 7027 standard
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NIST® Traceability
Our Customers and their clients demand accuracy and precision. All units must pass extensive environmental testing prior to shipment. A Calibration report is included with every unit ensuring traceability to NIST standards where applicable.
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Temperature Accuracy: +/- 0.1C over entire range
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Automatically compensated for temperature
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D.O. readings are compensated for barometric pressure, temperature and salinity
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Pressure Accuracy: 0.05% FS
Level readings are compensated for:
- Temperature from -5 to 50°C
- Fluid Density
- Gravitational Acceleration
- and Barometric pressure (with vented cable)
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Resolution: 24-bit A-D converter
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Win-Situ® Software
Win-Situ® sets the standard for ease-of-use. Friendly Wizards guide every step from instrument setup to calibration and data logging. View data as a graph or report and easily export data to MS Excel® with a click of a button!
Profiler view displays real-time data in a meter or graphical format. Data may be logged to the RuggedReader® or PC. Flow-Sense™ software helps automate low-flow sampling events and final report generation.
- Integrated graphing and reporting
- Powerful REAL-TIME display - graph or meter views
- Instant "one-click" export to MS Excel®
- Quick-Calibration Wizard
- View up to 4 graphs simultaneously - select primary and secondary axis
- Customize your view - zoom tool, full or split screen, unit selection and more!
- Included FREE with purchase of TROLL® 9500
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| Win-Situ® software screenshots -- Graph view | Real-time "Profiler" readings |
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Pocket-Situ and Win-Situ Mobile Software
View and log data with a field-worthy RuggedReader®. This IP67-rated handheld PC automatically synchronizes data with your PC when used with Pocket-Sit™ or Win-Situ Mobile software. View and download data real-time, start and stop logging operations or take voice notes, manage your schedule, save contacts, and more.
Automatically synchronizes data file to the PC--just plug it in!
- Powerful instrument controller
- All of the features of Win-Situ®
- View data in Graph OR Meter format
- View data real-time!
- Download data, calibrate sensors, setup logging
- It's also a fully functional PDA
- Store contacts, make schedules
- Use Pocket Word, Excel®, etc.
- Read more about Pocket-Situ and Win-Situ Mobile sofware
- Read more about the RuggedReader®
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Accessories
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Quick-Cal Solutions
Saves time and  money. Calibrates pH, ORP, conductivity, and Clark D.O. all together in typically under 5 minutes.
Cases
Protect your investment with a hard-sided Pelican™ carrying case
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Assurance Plus Program
Programs Protect your investment with extended warranties & maintenance programs.
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 Low-Flow Sampling System
Considering this technique to improve the quality of your samples? Try the TROLL® 9500 Low-Flow Sampling System. The included ‘Flow-Sense’ software steps you through entry of well/flow information as well as setup of stabilization criteria. When finished, a report can be generated automatically.
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Cable Reels and Well Accessories
Cable reels make deployment of long cables manageable. We have reels to handle cables of all lengths. Additionally, ask about our well docking accessories. Provides a secure way to anchor a sonde in a well.
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 Low-Flow Pumps |
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Panel mount kit available for Twist-Lock cables
For humid environments, try a MAXUM desiccant. Protects vented cables from moisture entry.
TROLL® Com with RS232 + large desiccant shown in picture at right
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Need more information?
View TROLL® 9500 brochure (pdf)
View TROLL® 9500 Specifications
Tech Note - Read about the accuracy and precision of the Turbidity sensor (pdf)
Get details on battery-powered stirrer for TROLL® 9500 (pdf)
Download Quick-Calibration Specifications (pdf)
Download a copy of the Sensor Summary document
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