Specifications Cables and Accessories Measurement Methodology Biscayne Bay Data Brochure

In addition to the same high accuracy pressure sensor utilized by the Level TROLL^®, the Aqua TROLL^® 200 delivers superior water level accuracy in estuary and coastal environments where salinity values vary due to mixing, rainfall or tides by dynamically compensating level readings for changes in water density due to changes in salinity. Click here to learn more.

Select between gauged and absolute models with ranges up to 500 psi. All feature a 4MB memory that stores up to 380,000 data points. Standard logging modes include linear, linear average and event testing* with logging rates** as fast as 1/sec. 

Installation and data acquisition is simplified using In-Situ^® RuggedCable– and powerful Win-Situ^® software. Use the durable RuggedReader^® handheld PC for fast instrument set-up and downloading in the field. 

* External power supply or battery pack required when using event testing, recommended when using linear average testing.
** See specifications for specific logging rates using linear, linear average, and event testing.

designed to combat fouling and conserve power – runs on external 8-36 VDC or internal batteries that are guaranteed for 5 years when reading every 15 minutes 

completely sealed, durable titanium housing safeguards against corrosion even in the harshest conditions

simple installation and operation using In-Situ’s Twist-Lock cable connections and industry leading Win-Situ^® software
 
SCADA and Telemetry Ready – built-in Modbus/RS485, SDI-12 and 4-20 mA output
 
calibrated and validated with NIST^® traceable standards so you can be confident it meets our
published specifications

		Saltwater Intrusion Projects		Tide Gauge Monitoring
		Wetlands Applications		Ground Water Monitoring
		Estuary Projects		Surface Water Monitoring
		Discharge Monitoring		Landslide Prediction
		Aquifer Storage and Recovery

General
Length		12.4” (31.5cm)
Diameter		0.72” (18.3mm)
Weight		1.0 lbs (0.5 kg)
Housing Material		Titanium
Nose Cone Materiel		Black Delrin®
Output Options		Modbus RS-485, SDI-12, 4-20 mA
Fastest Polling Rate
Modbus RS485		1 per second
SDI-12		1 per second
4-20 mA		1 per second
Pressure Range of Operation		5 psi – 500 psi (0 – 1153ft)
Operating Temperature Range		-20°C – 65°C (-4°F – 149°F)
Storage Temperature		-40°C – 65°C (-40°F – 149°F)
Power
Internal Battery		3.6V lithium
External Power		8-36 VDC
Typical Battery Life		Guaranteed 5 yrs or 200,000 readings*
Logging
Memory		4MB, 380,000 data points**
Log Types		Linear, Linear Average*** and Event***
Fastest Reading* Rate
Linear		1 per minute
Linear Average***		1 per second
Event***		1 per second
Fastest Logging Rate
Linear		1 per minute
Linear Average***		1 per 2 seconds
Event***		1 per second
Maximum Number of Logs		50

* 1 reading = time and date plus all available parameters polled or logged from device. ** 1 data point = time and date plus one parameter logged. *** External power supply or battery pack required when using event testing, recommended when using linear average testing.

Temperature
Material		Titanium
Range		-20°C to 65°C (-4°F to 149°F)
Unit of Measure		Celsius or Fahrenheit
Accuracy		+/- 0.1ºC
Resolution		0.01ºC
Conductivity
Sensor Type		Balanced 4-electrode cell
Sensor Material		PVC, Titanium
Range		5µS/cm – 100,000µS/cm
Accuracy		+/- 0.5% of reading plus 1 µS/cm from 5 µS/cm to 80,000 µS/cm +/- 1.0% of reading from 80,000 µS/cm to 100,000 µS/cm
Resolution		0.1µS/cm

Parameters Supported*	Units	Range
Actual Conductivity	µS, mS	5 µS/cm – 100,000 µS/cm
Specific Conductivity**	µS, mS	5 µS/cm – 100,000 µS/cm
Salinity***	PSU	0 – 42 PSU
TDS	ppm, ppt	0 – 82 ppt
Resistivity	Ohms-cm	10 Ohms-cm – 200,000 Ohms-cm
Density (Water)	gm/cm3	0.98 – 1.14 gm/cm3

* Parameters derived at 25°C and Actual Conductivity range of 5µS/cm – 100,000 µS/cm with a +/-0.05% plus 1µS/cm accuracy; ** Derived from Standard Methods 2510B. *** Defined by the Practical Salinity Scale 1978 Standard Methods 2520B. **** Real time Level compensation for Density of water.

Pressure/Level*
Sensor Type		Silicon Strain Gauge
Material		Titanium
Range, Non-Vented		30, 100, 300, 500 psia
		35.8, 197.3, 658.7, 1120 ft
		10.9, 60.1, 200.7, 341.3 m
Range, Vented		5, 15, 30, 100, 300, 500 psig
		11.5, 35, 69, 231, 692, 1153 ft
		33.5, 11, 21, 70, 210, 351 m
Unit of Measure		PSI, KPa, mm, cm, m, in., ft., Bar, mBar, mmHg
Accuracy**
@ 15°C		+/- 0.05% Full Scale (FS)
0°C to 50°C		+/- 0.1% FS
-20ºC to -1ºC and 51°C to 80ºC		+/- 0.25% FS
Resolution		+/- 0.005% FS or better
Max. Pressure		2X Range
Burst Pressure		3X range

* Real time Level compensation for density

** Accuracy with 4-20 mA output option: +/- 0.25% FS.