TriOS / TriOS Mess- und Datentechnik optical water quality sensors and spectrometers

Technical selection and global dispatch of UV-Vis immersion spectrometers OPUS, optical nitrate sensors NICO, LISA photometers and controllers from TriOS Mess- und Datentechnik.

TriOS OPUS submersible UV spectral sensors

TriOS OPUS spectral probes deliver continuous optical water quality monitoring without chemical reagents. The immersion instruments accurately determine nitrate, nitrite, organic carbon, COD, and BOD concentrations across municipal wastewater aeration basins and industrial effluents.

  • Full-spectrum UV absorption analysis spanning wavelengths from two hundred to three hundred sixty nm
  • Titanium or stainless steel immersion body engineered for depths up to three hundred meters
  • Integrated G2 digital interface embedding web server accessible via standard network browsers
  • Optical quartz windows engineered with advanced nanocoating to prevent biological film deposition

TriOS NICO optical nitrate immersion sensors with turbidity compensation

TriOS NICO and NICO plus digital immersion probes provide direct photometric nitrate determination in wastewater and environmental waters. An integrated secondary reference channel automatically compensates for suspended solids, water coloration, and optical turbidity interference.

  • Direct UV absorption nitrate monitoring without sample preparation and chemical reagents
  • Automated turbidity compensation using dedicated reference beam at three hundred eighty nanometers
  • Low power electrical demand supporting direct Modbus RTU telemetry connection to automation RTUs
  • Modular unified photometer hardware platform with interchangeable optical measurement components

TriOS LISA UV-Vis absorption photometers for organic load monitoring

TriOS LISA and LISA color immersion photometers deliver continuous tracking of spectral absorption coefficient SAC254 and fluid coloration. Modular hardware architecture enables rapid adjustment of the optical path length to match diverse concentration spans in drinking and process water monitoring.

  • Rapid optical path length adaptation using interchangeable lens mounts from one to two hundred mm
  • Direct algorithmic calculation of equivalent COD, BOD, and TOC values via site correlations
  • Dual optical beam configuration driven by high-efficiency long-life solid-state LED emitters
  • Configurable four-to-twenty milliamp analog telemetry loop alongside standard digital Modbus output

TriOS enviroFlu submersible fluorometers for hydrocarbon detection

TriOS enviroFlu and nanoFlu submersible fluorometers provide selective real-time detection of polycyclic aromatic hydrocarbons, fuel oils, and refined petroleum traces in industrial cooling circuits and natural waterways without extraction solvents or delicate reagents.

  • Selective optical detection of dissolved aromatic hydrocarbons across diverse aqueous streams
  • Nanostructured hydrophobic window treatment reducing organic fouling and maintenance intervals
  • Mechanical resilience under continuous hydrodynamic pressure within flow-through cells and conduits
  • Interoperability with handheld field terminals for rapid mobile environmental surveying

TriOS TriBox3 multi-channel process controllers and telemetry hubs

TriOS TriBox3 and TriBox mini central display controllers consolidate plant optical sensors into an integrated digital monitoring network. The rugged units feature high-resolution touch displays, integrated web server access, and comprehensive analog interfaces for DCS integration.

  • Simultaneous digital connection and power distribution for up to four TriOS optical instruments
  • Six galvanically isolated four-to-twenty milliamp current outputs for SCADA telemetry linking
  • Machined aluminum alloy enclosure meeting IP65 industrial environmental ingress protection
  • Programmable relay contacts driving automatic compressed air cleaning valves and alarms

TriOS optical window assemblies, immersion cables, and accessories

Replacement parts from TriOS Mess- und Datentechnik include sapphire measuring windows, fluoroelastomer sealing kits, and polyurethane immersion cables. These components guarantee optical alignment and fluid isolation across aggressive industrial process environments.

  • High-hardness sapphire replacement window elements treated with hydrophobic nano-barrier coating
  • Submersible polyurethane jacketed cables terminated with wet-mate underwater SubConn fittings
  • Automated pneumatic pulse cleaning nozzles delivering compressed air jets across optics
  • Precision calibration standards and flow-through bypass measurement cells for pipe mounting

Optical path alignment and calibration protocol for TriOS OPUS spectrometers

Routine alignment and zero baseline calibration of TriOS OPUS submersible UV spectrometers ensures extended measurement stability for nitrate and organic loads without baseline drift.

Prior to positioning the probe into municipal wastewater aeration tanks, the optical path gap is carefully swabbed using lint-free optical wipes dampened with laboratory-grade isopropanol.

Zero baseline verification is performed inside an immersion testing cell filled with freshly prepared deionized water held at twenty degrees Celsius. The embedded G2 network browser interface executes an automated multi-wavelength reference sweep across the full ultraviolet spectrum.

When positioning the probe, an inclination angle of forty-five degrees facing incoming fluid velocity is maintained to mitigate sediment accumulation.

Turbidity compensation and zero drift calibration for TriOS NICO nitrate sensors

Reliable photometric monitoring of nitrate nitrogen using TriOS NICO immersion probes within wastewater streams relies on routine verification of the suspended solids compensation algorithm.

An integrated internal photodiode monitors optical attenuation at three hundred eighty nanometers where dissolved nitrates exhibit zero absorption, allowing algorithmic subtraction of particulate interference.

During scheduled maintenance intervals, the sensor is detached from its immersion mounting boom and the quartz optical faces are cleared of mineral deposits using mild acid solution.

Zero point calibration is validated using purified water before verifying span response against potassium nitrate standards. The connector socket is sealed with fluoroelastomer O-rings to guard internal circuits.

Nano-coated window servicing and optical path adaptation for TriOS LISA photometers

Preventative maintenance for TriOS LISA submersible photometers encompasses routine inspection of sapphire optical windows and precision adjustment of the optical measurement path length.

The specialized nanostructured window surface treatment retards biofilm attachment, yet abrasive fluid suspended matter requires periodic component renewal. Threaded lens retaining rings are unlocked using dedicated service wrenches without exerting asymmetric torque against quartz elements.

New sapphire disc assemblies are installed alongside fresh elastomeric sealing rings. Following reassembly, housing integrity is confirmed under two bar dry air pressure. The exact optical path dimension is updated within the controller firmware to preserve absorption accuracy.

Servicing and fluorescence response calibration for TriOS enviroFlu sensors

Precision monitoring of petroleum hydrocarbon traces and polycyclic aromatic hydrocarbons with TriOS enviroFlu fluorometers requires rigorous optical window hygiene and photodetector calibration.

The optical sensor head is inspected for oily coatings or particulate buildup, which are removed using mild neutral detergent followed by deionized water flushing.

Fluorescence scale calibration is performed using a solid-state secondary standard or freshly prepared quinine sulfate calibration solution.

When mounting the instrument into flow-through bypass cells, a continuous fluid velocity exceeding half a meter per second is maintained to facilitate hydrodynamic self-cleaning and eliminate trapped air bubble formation across lenses.

G2 interface setup and SCADA automation integration for TriBox3 controllers

Digital networking of TriOS TriBox3 multi-channel display hubs into plantwide SCADA and DCS architectures utilizes Modbus TCP telemetry and isolated analog loops.

The embedded G2 platform permits direct configuration from any mobile or desktop web browser without requiring dedicated software installations.

Network parameters are set with fixed IP assignments, subnet masks, and register tables to continuously transmit measured water parameters alongside diagnostic alerts.

Six independent four-to-twenty milliamp current loops are mapped to designated concentration ranges with custom fault-current clamping levels. The aluminum alloy enclosure provides robust protection against industrial atmospheric contaminants.

Compressed air pulse cleaning system deployment for submerged TriOS probes

Continuous operation of submerged TriOS optical sensors within high-solids wastewater biological basins necessitates automated pneumatic cleaning assemblies. A dedicated air nozzle directs intermittent bursts of compressed air at six bar directly across the measurement window faces.

Injection intervals are configured in the TriBox3 menu between fifteen minutes and several hours according to biological growth rates. Measurement values are automatically frozen for ten seconds during each air discharge cycle to prevent erroneous concentration spikes induced by bubble scatter.

The pneumatic feed line is fitted with water traps and coalescing oil removal filters to maintain optical window cleanliness.

Industrial equipment

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