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Pyxis ST-500W inline PTSA sensorPRODUCT IMAGE
ST-500W / 58802Inline PTSA sensor

Cooling & process water

PUBLISHED SPEC · VARIANT CONFIRMED AT QUOTATION

ST-500W
Inline PTSA sensor

Measures PTSA for cooling and process-water treatment while compensating for colour and turbidity. The stainless-steel sensor is designed to fit WALCHEM and other industry-standard fluorometer tee assemblies.

MeasurementPTSA · 0–200 ppb output scale · 0–300 ppb maximum configurable rangeAccuracy±1 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-500W / 58802
Measurement
PTSA · 0–200 ppb output scale · 0–300 ppb maximum configurable range
Accuracy
±1 ppb
Outputs
Isolated 4–20 mA analog and isolated RS-485 digital · 7-pin
Power
22–26 VDC · 1 W
Installation
WALCHEM or alternative fluorometer tee assembly for drop-in installation
Wetted material and rating
304 stainless steel · IP67 dustproof and waterproof
Operating limits
Up to 100 psi (6.9 bar) · 4–49 °C (40–120 °F)
Selection note

Confirm the current tee compatibility, cable 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.