The Aqua TROLL 400 Multiparameter Probe offers all-in-one, continuous water quality monitoring with six integrated sensors and streamlined setup.

Simultaneous measurement of 12 water quality parameters in a robust, compact probe.

Key Features

Continuously measures 12 parameters including conductivity, dissolved oxygen, ORP, pH, temperature, water level, and water pressure in a single compact probe.
EPA-approved optical RDO® Sensor and factory-calibrated, NIST®-traceable sensors ensure accurate and reliable data.
Quick and easy installation with open communication protocols for flexible integration into existing systems, including SCADA, PLC, telemetry, and HydroVu™ Data Services.
Ideal for long-term, unattended groundwater and surface water monitoring, including coastal deployments, mining, remediation, and stormwater management.
Minimal maintenance needs, long-lasting calibrations, and robust field support.

Applications

Long-term groundwater & surface water monitoring
Coastal deployments in estuaries & wetlands
Real-time water quality monitoring networks
Remediation & mining operations
Stormwater management

Technical Specifications

Operating Temperature	-5 to 50°C
Storage Temperature	-40 to 65°C
Dimensions	47 mm (OD) × 269 mm (Length, with restrictor installed)
Weight	694 g
Wetted Materials	PVC, 316 stainless steel, titanium, Acetal, Viton®, PC/PMMA
Environmental Rating	IP68 (all sensors/cable attached), IP67 (sensors removed or cable detached)
Max. Pressure Rating	112 m; 160 psi (approx. 1,100 kPa)
Power	8-36 VDC (no internal battery), Measurement: 16 mA @ 24 VDC
Output Options	Modbus/RS485, SDI-12
Reading Rate	1 reading every 5 seconds (no internal logging)
Interface	In-Situ Con TROLL PRO, Vulink Telemetry, SCADA/PLC, HydroVu, other data loggers/controllers

Sensor Details

Level/Depth/Pressure: Accuracy ±0.1% FS at 15°C; up to ±0.3% FS, 76 m range, piezoresistive ceramic sensor.
Conductivity: ±0.5% + 1 µS/cm accuracy, range 5–100,000 µS/cm.
Dissolved Oxygen: Optical RDO-X Cap, ±0.1 mg/L or ±2% accuracy, 0–60 mg/L, EPA-approved; replaceable sensor cap.
ORP: ±5.0 mV accuracy, range ±1400 mV, replaceable sensor.
pH: ±0.1 unit accuracy, range 0–14 units, replaceable sensor.
Temperature: ±0.1°C accuracy, range -5 to 50°C, quick response time.

Additional Features & Support

Stable readings verified with factory and NIST®-traceable calibration.
Automatic compensation for salinity (DO readings), barometric pressure (with compatible systems).
Customisable RuggedCable® system available in Tefzel® or polyurethane.
24/7 technical support and seven-day service (US only) for calibration and maintenance.

To contact Thermo Fisher Scientific Australia Pty Ltd about Aqua TROLL 400 Multiparameter Probe use Get a quote.

Key Features

Continuously measures 12 parameters including conductivity, dissolved oxygen, ORP, pH, temperature, water level, and water pressure in a single compact probe.
EPA-approved optical RDO® Sensor and factory-calibrated, NIST®-traceable sensors ensure accurate and reliable data.
Quick and easy installation with open communication protocols for flexible integration into existing systems, including SCADA, PLC, telemetry, and HydroVu™ Data Services.
Ideal for long-term, unattended groundwater and surface water monitoring, including coastal deployments, mining, remediation, and stormwater management.
Minimal maintenance needs, long-lasting calibrations, and robust field support.

Applications

Long-term groundwater & surface water monitoring
Coastal deployments in estuaries & wetlands
Real-time water quality monitoring networks
Remediation & mining operations
Stormwater management

Technical Specifications

Operating Temperature	-5 to 50°C
Storage Temperature	-40 to 65°C
Dimensions	47 mm (OD) × 269 mm (Length, with restrictor installed)
Weight	694 g
Wetted Materials	PVC, 316 stainless steel, titanium, Acetal, Viton®, PC/PMMA
Environmental Rating	IP68 (all sensors/cable attached), IP67 (sensors removed or cable detached)
Max. Pressure Rating	112 m; 160 psi (approx. 1,100 kPa)
Power	8-36 VDC (no internal battery), Measurement: 16 mA @ 24 VDC
Output Options	Modbus/RS485, SDI-12
Reading Rate	1 reading every 5 seconds (no internal logging)
Interface	In-Situ Con TROLL PRO, Vulink Telemetry, SCADA/PLC, HydroVu, other data loggers/controllers

Sensor Details

Level/Depth/Pressure: Accuracy ±0.1% FS at 15°C; up to ±0.3% FS, 76 m range, piezoresistive ceramic sensor.
Conductivity: ±0.5% + 1 µS/cm accuracy, range 5–100,000 µS/cm.
Dissolved Oxygen: Optical RDO-X Cap, ±0.1 mg/L or ±2% accuracy, 0–60 mg/L, EPA-approved; replaceable sensor cap.
ORP: ±5.0 mV accuracy, range ±1400 mV, replaceable sensor.
pH: ±0.1 unit accuracy, range 0–14 units, replaceable sensor.
Temperature: ±0.1°C accuracy, range -5 to 50°C, quick response time.

Additional Features & Support

Stable readings verified with factory and NIST®-traceable calibration.
Automatic compensation for salinity (DO readings), barometric pressure (with compatible systems).
Customisable RuggedCable® system available in Tefzel® or polyurethane.
24/7 technical support and seven-day service (US only) for calibration and maintenance.

Read less...

To contact Thermo Fisher Scientific Australia Pty Ltd about Aqua TROLL 400 Multiparameter Probe use Get a quote.

Let Thermo Fisher Scientific Australia Pty Ltd provide you with a quote

Supplier

Supplier: Thermo Fisher Scientific Australia Pty Ltd

Location: Scoresby, VIC

Trade With Confidence. The supplier of this item is approved as a Verified Supplier. Business registration, contact details and locations have been verified. Thermo Fisher Scientific Australia Pty Ltd are also proudly displaying these credentials:

Location:

Scoresby , VIC

Joined:

Sep 2026

Level:

Premium Storefront

Verified:

Is this your product? Manage products / company details |

Report this product