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Pyxis ST-774 ultra-low dissolved oxygen sensorPRODUCT IMAGE
ST-774 / 53715Ultra-low dissolved oxygen sensor

Core water quality

PUBLISHED SPEC · VARIANT CONFIRMED AT QUOTATION

ST-774
Ultra-low dissolved oxygen sensor

Measures ultra-low dissolved oxygen from 0.0 to 2,000µg/L (ppb) in boiler feedwater, condensate, closed-loop and ultrapure-water systems. The stainless steel sensor uses a flow connection for controlled sample measurement.

Measurement0.0–2,000µg/L (ppb) dissolved oxygenDetection limit0.4µg/L (ppb)Accuracy±0.3µg/L (ppb) or ±1%, whichever is greater
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Application fit

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Technical data

Specifications

ST-774 / 53715
Measurement
0.0–2,000µg/L (ppb) dissolved oxygen
Detection limit
0.4µg/L (ppb)
Accuracy
±0.3µg/L (ppb) or ±1%, whichever is greater
Outputs
Isolated 4–20mA analog and isolated RS-485 Modbus
Power
22–26VDC; 0.6W consumption
Installation
1/4-inch OD Swagelok; suggested flow 50–500mL/min
Material and pressure
316L stainless steel; 145psi (10bar) working pressure
Operating limits
0–50°C (32–122°F); IP67/IP68
Selection note

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Configuration & support

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Application

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

Configuration

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Support

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