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Pyxis ST-772 submersible dissolved oxygen sensorPRODUCT IMAGE
ST-772 / 53703Submersible dissolved oxygen sensor

Core water quality

PUBLISHED SPEC · VARIANT CONFIRMED AT QUOTATION

ST-772
Submersible dissolved oxygen sensor

Measures dissolved oxygen from 0.004 to 20mg/L for wastewater, aeration, aquaculture and process-water monitoring. The stainless steel sensor is configured for submerged installation with automatic temperature and pressure compensation.

Measurement0.004–20mg/L dissolved oxygen; 0–200% saturation; or 0–500mbar PO₂Accuracy±0.1mg/L or ±1%, whichever is greaterOutputsTwo isolated 4–20mA analog outputs and isolated RS-485 Modbus
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Application fit

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Technical data

Specifications

ST-772 / 53703
Measurement
0.004–20mg/L dissolved oxygen; 0–200% saturation; or 0–500mbar PO₂
Accuracy
±0.1mg/L or ±1%, whichever is greater
Outputs
Two isolated 4–20mA analog outputs and isolated RS-485 Modbus
Power
22–26VDC; 0.6W consumption
Installation
Submerged installation
Body and wetted material
304 stainless steel body; 304 stainless steel and polycarbonate wetted materials
Operating limits
145psi working pressure; 0–45°C (32–113°F)
Rating
IP-67/IP-68; USEPA 40CFR Part 136.3
Selection note

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Configuration & support

What to discuss with HXST

Application

Share the water or sample context, target measurements and intended use.

Configuration

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Support

Discuss accessories, operating conditions and guidance needed for the quotation.