Multi Parameter Sensor Seametrics

Multi Parameter Sensor Seametrics Typical Installation
Multi Parameter Sensor Seametrics Typical Installation
Up to Six Parameters with Datalogging
  • 5 standard configurations.
  • Integrated datalogger.
  • Modular design for varying site needs.
  • Includes SDI-12 and Modbus® interfaces.

    Multi Parameter Sensor Seametrics Typical Installation
    Multi Parameter Sensor Seametrics Typical Installation


This single unit can do the work of six sensors—all at the same time. Available in a variety of configurations to fit your needs.

To make your work even simpler, this sensor comes standard with both SDI-12 and Modbus interfaces, an integrated datalogger, as well as wireless connectivity for cellular modems.


Multi Parameter Sensor Seametrics Typical Installation
Multi Parameter Sensor Seametrics Typical Installation
  • Available in 5 standard configurations to measure combinations of : pH, ORP, temperature, salinity, TDS, pressure and level, dissolved oxygen, and turbidity.
  • Includes both SDI-12 and Modbus interfaces for greater flexibility.
  • Integrated datalogger stores records in non-volatile memory.
  • RS485 network—connects with other Seametrics Smart Sensors.
  • Wireless connectivity.
  • Available with a variety of cable options—including polyethylene, polyurethane, and FEP.
  • Flexible Windows®-based programming.
  • Real-time viewing and easy export to spreadsheets/databases.
  • Direct-read option for use with panel meters or RTU/PLC applications.


Seametrics’ Multi-Parameter Smart Sensor is available in 5 standard configurations.

ItemOption 1Option 2Option 3Option 4Option 5
Dissolved Oxygen


  • Surface water monitoring.
  • Groundwater monitoring.
  • Agricultural runoff studies.
  • Discharge monitoring.
  • Aquaculture.
  • Leachate monitoring.
  • Remediation performance monitoring.
  • Waste water treatment discharge.



Strain reliefIncluded
Tube Material316 stainless steel or titanium
Wire Seal MaterialsFluoropolymer and PTFE
OD0.28” (0.7 cm) maximum
Break Strength138 lbs. (62.7 kg)
Maximum Length2000 feet (610 meters)
Weight4 lbs. per 100 feet (1.8 kg / 30 m)


CommunicationRS485 Modbus RTU
SDI-12 (ver.1.3)
Direct Modbus Read Output32-bit IEEE floating point
SDI-12 OutputASCII
Internal Math32-bit floating point
External12 VDC nominal / 9-15VDC range
Level/Pressure16 bit± 0.05% FSO typical
Absolute PSIA100 PSI 


± 0.1% FSO maximum (B.F.S.L. 20° C)
Absolute mH2O70 mH2O
Absolute FtH2O231 FtH2O
Conductivity0-100 mS/cm0.001 mS/cm± 0.5% of measured value
Salinity2-42 PSU0.001 PSU± 1% of reading or 0.1 PSU whichever is greater
TDS4.9 – 147,000 mg/L0.1 mg/L± 0.5% of measured value
pH1-14 pH units0.01 pH units± 0.2 pH units
ORP± 1200 mV0.01 mVH0.1 mVH
Dissolved Oxygen0-25 ppm0.01 ppm when <4.00 ppm 0.1 ppm when >4.00 ppm1% of reading or 0.02 ppm whichever is greater
Turbidity0-400 or 0-3000 NTU± 3 NTU± 2% @ 25° C or ± 2 NTU whichever is greater
Temperature-5˚ to 40˚C (23˚ to 104˚F)0.1° C± 0.5° C

Read more : DO2 Dissolved Oxygen Sensors Seametrics;Temperature Sensors Type T1 Seametrics; CTD and Multiparameter Instruments; Current Meters And Open Channel Meters; Model 803 ROV Electromagnetic Current MeterTurbidity Sensors Type Turbo Seametrics

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.