TRiOS Online Controllers & Transmitters

• Flow Measurement
  • Ultrasonic Flowmeters
    • Portable
    • Permanent - Clamp On
    • Permanent - Inline
    • Hazardous Area
  • Electromagnetic Flowmeters
    • Battery Powered
    • Mains Powered
    • High Powered
  • Clamp On Gas Meters
  • Large-Pipe Flowmeters
  • Flare Gas Flowmeters
  • Heat Meters
    • Portable
    • Permanent
  • Coriolis Flowmeters
  • Vortex Flowmeters
    • Inline
    • Insertion
  • Turbine Flowmeters
  • Open Channel Flowmeters
    • Small Channels
    • Large Channels
    • V-notches, Weirs & Flumes
  • Insertion Flowmeters
  • Rentals
• Water Quality Monitoring
  • By Application
    • Aquaculture
    • Coastal/Estuarine
    • Drinking Water
    • Groundwater
    • Laboratory
    • Surface Water
    • Waste Water
  • By Parameter
    • Multiparameter
    • Ammonia/Ammonium
    • Blue Green Algae
    • BOD
    • Bromide
    • CDOM
    • Chloride
    • Chlorine
    • Chlorophyll
    • COD
    • Conductivity
    • Crude Oil
    • Depth/Level
    • Dissolved Oxygen
    • DOC
    • Fluorescein
    • Nitrate
    • OBA
    • ORP/Redox
    • Orthophosphate
    • PAR
    • pH
    • Phosphate
    • Refined Oil
    • Rhodamine
    • Salinity
    • Sodium
    • Temperature
    • TDS
    • Turbidity
    • TDG
    • Tryptophan
    • TSS
  • By Product Type
    • Handheld Water Quality Meters
      • Multiparameter Meters
      • pH Meters
      • Conductivity Meters
      • Dissolved Oxygen Meters
      • Turbidity Meters
      • ORP Redox Meters
      • Ion Selective Electrodes
      • Total Dissolved Solids Meters
      • Salinity Meters
      • Test Kits & Colorimeters
    • Multiparameter Sondes
    • Automatic Water Samplers
    • Single Parameter Sensors
      • Dissolved Oxygen Sensors
      • pH Sensors
      • Conductivity Sensors
      • Bromide Sensors
      • Chlorine Sensors
      • Chloride Sensors
      • ORP Sensors
      • Temperature Sensors
      • Turbidity Sensors
    • Process Transmitters
      • pH Monitor
      • ORP Redox Monitor
      • Contacting Conductivity Monitor
      • Toroidal Conductivity Monitor
      • Dissolved Oxygen Monitor
      • Dissolved Ozone Monitor
      • Free Chlorine Monitor
      • Turbidity Monitor
      • Total Suspended Solids Meter
      • Display Units
    • Optical Sensors
      • Fluorometers
      • Visable Photometers
      • UV Photometers
      • Controllers
      • Optical Sensor Accessories
    • Groundwater Sampling Equipment
      • Pump Controller
  • MCERTS & EPR
  • Rentals
• Level Sensing
  • Pressure Level Sensors
    • Pressure Transducers
    • Water Level Loggers
  • Ultrasonic Level Sensors
    • Ultrasonic Level Transmitters
    • Ultrasonic Level Controllers
    • Ultrasonic Level Transducers
  • Capacitance Sensors
  • Radar Level Sensors
    • Radar Level Transmitters - 2 Wire
    • Radar Level Transmitters - 4 Wire
  • Guided Wave Sensors
  • Dip Meters
• Groundwater Monitoring
  • Water Level Loggers
  • Water Level Meters
  • Oil / Water Interface Meters
  • Multi-Level Systems
  • Piezometers
  • Bailers & Discrete Sampling
  • Groundwater Pumps
  • Groundwater Water Quality
  • Consumables
  • Rentals
• Professional Weather Stations
  • Automatic Weather Stations
  • Rain Gauges
  • Temperature & Relative Humidity
  • ET Weather Stations
  • Solar Radiation
  • Wind Speed & Direction
  • Barometers
• Telemetry
  • UHF Radio Telemetry
  • GSM / GPRS Telemetry
  • Telemetry Networks
• Services
  • Flow Measurement
  • Level Measurement
  • Water Quality Monitoring
  • Environmental Monitioring
  • MCERTS
  • Commissioning
  • Calibration
• Rentals
  • Flow Meter Rental
  • Level Sensor Rental
  • Water Quality Rental
  • Wastewater Sampler Rental
• Support & Case Studies
  • Support Helpdesk
  • Documentation
  • Technical Reference
  • Case Studies
  • Manuals
  • Training
• News
• Careers
• About Us
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