Pyxis 53703, User Manual, Page: 6 / 22

1.1 Main Features
The ST-772/T sensor includes the following features:
• 0.004–20 ppm measurement range
• Built-in temperature and pressure sensor with automatic compensation
• Accurate and stable measurement with ultra-low drift
• Built-in transmitter without preamplifier or meter head
• Dual Outputs both 4–20mA isolated signal or RS-485 Modbus
• Long-distance transmission with higher stability & accuracy
• Wireless calibration, diagnostics, and data trend via uPyxis® App when used with MA-CR Adapter
• The sensor can be Slope calibrated with air or air saturated water
• Zero-point calibration with 5% Sodium Sulfite solution or Nitrogen gas
• Submersible (ST-772) or Inline (ST-772T) installation versions
• Suitable for dissolved oxygen monitoring of:
– Activated Sludge
– Aerated Basin
– Wastewater & Sewage Processing
– Chemical & Process Water
– Domestic Water Applications
– Filtration Applications
– Aquaculture
– Agriculture
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