Description
The Pyxis Lab® ST-773 optical luminescent dissolved oxygen sensor is based on the principle of ‘fluorescence quenching’ to determine the dissolved oxygen content in water. It incorporates our advanced technology in the field of fluorescence detection and uses dual Blue/Red light detection technology with excitation and reference light sources, offering a wide detection range and very low detection limit.
The sensor also integrates a temperature sensor for compensation of the measurement of dissolved oxygen based on environmental conditions. The ST-773 offers an easily replaceable, front loading DO membrane cap that has been independently developed by Pyxis Lab®, with a typical service life of up to 2 years. This unique membrane cap design incorporates a black microporous PTFE membrane material designed to provide extreme scratch resistance, extended life span and simple replacement.
The flat front-end design of the ST-773 may be utilized in a submersed fixed/floating application or inline with the Pyxis submersion assembly and inline thread/tee accessory options. The ST-773 comes with a 10m bulkhead cable, as well as a 1.5m flying lead cable each with 7-Pin quick adapters. The sensor output offers both 4-20mA and RS-485 Modbus communication which is Bluetooth® enabled when used with the MA-WB adapter.
Features
- 0.004–20mg/L Measurement Range – Stable Measurement with Ultra-Low Drift
- Simple PTFE Film DO Cartridge Replacement
- Built-In Temperature Sensor with Automatic Compensation
- Built-In Transmitter without Preamplifier or Meter Head
- Dual Outputs both 4-20mA Isolated Signal & RS-485 Modbus
- CPVC Body – Lightweight & Corrosion Resistant
- Wireless Calibration, Diagnostics, Data Trend via uPyxis® with the MA-WB
- Submersible or Inline Installations available using our Submersion or Inline Adapters
- Meter Tail = 3/4inch NPT Outer Diameter Threading for Simple Installation
Typical Applications
- Activated Sludge /Aeration Tanks / Nutrient Removal / Wastewater
- Chemical / Process Water / Domestic & Drinking Water
- Filtration / Aquaculture / Agriculture
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