Turbo Turbidity Sensor With Data Logging
- Includes Aqua4Plus software.
- Can measure up to 3,000 NTUs.
- Available for Modbus® and SDI-12 systems.
- Built-in datalogger.
Description
Seametrics’ Turbo Sensor measures a wide range of NTUs, making it a versatile device capable of deployment at many different sites.
This device also comes with a built-in datalogger and Aqua4Plus software. With both features standard, the Turbidity Sensor is perfect for the environmental professional who’s frequently on the move.
Features

- Modbus® and SDI-12 interfaces for greater flexibility.
- Built-in datalogger holds records in non-volatile memory.
- RS485 network.
- Wireless connectivity.
- Flexible, Windows®-based programming.
- Real-time viewing of data.
- Easy export to spreadsheets and databases.
- Direct read option for use with panel meters or RTU/PLC applications.
- Available with a variety of cable options—including polyethylene, polyurethane, and FEP.
- Range: 0-3,000 NTU.
- Resolution : ±3 NTU.
- Accuracy : 2% at 25° C.
Applications
- Surface water monitoring.
- Groundwater monitoring.
- Agricultural runoff studies.
- Discharge monitoring.
- Aquaculture.
- Leachate monitoring.
- Remediation performance.
- Wastewater treatment.

SPECIFICATION
GENERAL | |
Length | 15.882” (40.34 cm) w/ cable harness 16.525” (41.97 cm) w/ NPT adapter |
Probe Diameter | 1.29” (3.3 cm) |
Tube Material | Acetal & 316 stainless steel |
Probe Material | Composite |
Wire Seal Material | Fluoropolymer and PTFE |
Submersible Cable | Polyurethane, polyethylene, or ETFE available |
Terminating Connector | Available |
Communication | RS485 Modbus® RTU SDI-12 (ver 1.3) |
Direct Modbus Read Output | 32-bit IEEE floating point |
Internal Math | 32-bit floating point |
Operating Temp. Range | 0° C to 40° C |
Storage Temp. Range | -20° C to 50° C |
LOGGING | |
Memory | 260,000+ records |
Log Types | Variable, user-defined, logarithmic, profiled |
Programmable Baud Rate | 9600, 19200, 38400 |
Logging Rate | 2x/sec maximum |
Software | Complimentary Aqua4Plus |
Networking | 32 available addresses per junction w/ batching capabilities (up to 255) |
File Formats | .csv / .a4d |
SENSOR | |
Measuring Ranges | 0–400 NTU 0–3000 NTU |
Measuring Method | 90 degree ISO 7027 |
Accuracy | ± 2% or ± 2 NTU @ 25° C (whichever is greater) |
Repeatability | ± 2% @ 25° C |
Temperature Range | 0° C to 40° C |
Maximum Depth | 164 ft (50 m) |
POWER | |
External Power Pack Required
Seametrics Power Packs available. Contact Seametrics for details. |
12 Vdc nominal (9–15 Vdc) |
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