Product details
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Headline
Pyxis Dissolved Oxygen Sensors
The ST-772 dissolved oxygen (DO) sensor is based on the principle of fluorescence quenching to determine the dissolved oxygen content in water. It incorporates Pyxis' advanced technology in the field of fluorescence detection and uses dual light source detection technology with excitation and reference light sources, offering a wide detection range and low detection limit.
Features & Benefits
Key Features
Measurement & Performance
- 0.004-20mg/L measurement range
- Accurate and stable measurement with ultra-low drift
- No calibration required for up to 2-years
- Built-in temperature and pressure sensor
- Automatic compensation
Maintenance & Reliability
- No membrane replacement needed
- No electrolyte replacement needed
- Simple DO cartridge replacement every 2 years
Connectivity & Control
- Built-in transmitter without preamplifier or meter head
- Dual output capabilities:
- 4-20mA isolated signal
- RS-485 Modbus
- Wireless features via uPyxis APP with MA-CR Bluetooth Adapter:
- Calibration
- Diagnostics
- Data Trend monitoring
Installation & Calibration
- Installation options:
- Submersible (ST-772 or ST-772P)
- Inline Pipe Tee (ST-772T or ST-772T-P)
- Calibration methods:
- Slope: air or air saturated water
- Zero: 5% Sulfite solution or Nitrogen Gas
Applications
Water Treatment
- Activated Sludge / Aeration Basin / Nutrient Removal
- Wastewater / Sewage Processing
- Chemical / Process Water Applications
- Domestic / Drinking Water Applications
- Filtration Applications
Industry & Agriculture
- Aquaculture
- Agriculture
Compliance
- Compliant USEPA 40CFR Part 136.3
- Approved method for dissolved oxygen measurement in:
- Wastewater
- Drinking water
- Direct discharge
Call or text: +1 (484) 544-0506
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