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Pyxis ST-500RO inline PTSA sensorPRODUCT IMAGE
ST-500RO / 50669Inline PTSA sensor

Cooling & process water

PUBLISHED SPEC · VARIANT CONFIRMED AT QUOTATION

ST-500RO
Inline PTSA sensor

Measures PTSA at a concentrated range for reverse-osmosis and desalination systems. Optical compensation for colour and turbidity supports treatment monitoring in demanding water streams.

MeasurementPTSA · 0–40 ppbAccuracy±0.2 ppbOutputsIsolated 4–20 mA analog and isolated RS-485 digital · 7-pin
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Application fit

What to check before quotation.

Use the specifications below to assess whether this model fits your application. HXST will confirm the exact variant, accessories and installation context at quotation.

Technical data

Specifications

ST-500RO / 50669
Measurement
PTSA · 0–40 ppb
Accuracy
±0.2 ppb
Outputs
Isolated 4–20 mA analog and isolated RS-485 digital · 7-pin
Power
22–26 VDC · 1 W
Installation
ST-001 inline tee provided · 3/4 inch FNPT
Wetted material and rating
CPVC · IP67 dustproof and waterproof
Operating limits
Up to 100 psi (6.9 bar) · 4–49 °C (40–120 °F)
Selection note

Confirm the current model-specific revision, tee configuration and operating envelope before quotation.

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.