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Pyxis ST-728 ultra-low inline conductivity sensorSERIES REFERENCE IMAGE
ST-728 / 53117Ultra-low conductivity sensor

Core water quality

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SERIES REFERENCE IMAGE · Exact model photography is confirmed at quotation.

ST-728
Ultra-low conductivity sensor

Ultra-low inline conductivity measurement for pure, ultrapure and deionized water systems. The low-detection design fits applications including boiler condensate, RO/EDI process water, semiconductor cleaning and desalination.

Conductivity0.02–10.0 µS/cm · ±0.1 µS/cm or 1% of valueTemperature32–212 °F (0–100 °C) · ±1% of valueCell constantK = 0.3
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Application fit

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Technical data

Specifications

ST-728 / 53117
Conductivity
0.02–10.0 µS/cm · ±0.1 µS/cm or 1% of value
Temperature
32–212 °F (0–100 °C) · ±1% of value
Cell constant
K = 0.3
Outputs
8-pin isolated 4–20 mA analog · isolated RS-485 digital
Power
22–26 V DC · 2 W
Installation
3/4-inch NPT
Operating limits
Up to 100 psi (0.7 MPa) · 4–50 °C (40–104 °F)
Materials and rating
304 stainless steel body · Hastelloy wetted material · IP67
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

Share the installation point, outputs, controller or field workflow requirements.

Support

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