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Pyxis ST-773 CPVC dissolved oxygen sensorPRODUCT IMAGE
ST-773 / 53709CPVC dissolved oxygen sensor

Core water quality

PUBLISHED SPEC · VARIANT CONFIRMED AT QUOTATION

ST-773
CPVC dissolved oxygen sensor

Measures dissolved oxygen from 0.004 to 20mg/L for wastewater, process-water, filtration and aquaculture applications. Its CPVC body supports submerged or inline installation with built-in temperature compensation.

Measurement0.004–20mg/L dissolved oxygen or 0–200% saturationAccuracy±0.3mg/L or ±3%, whichever is greaterOutputsIsolated 4–20mA analog and isolated RS-485 Modbus
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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-773 / 53709
Measurement
0.004–20mg/L dissolved oxygen or 0–200% saturation
Accuracy
±0.3mg/L or ±3%, whichever is greater
Outputs
Isolated 4–20mA analog and isolated RS-485 Modbus
Power
22–26VDC; 0.6W consumption
Installation
Submerged or inline installation; 3/4-inch NPT meter tail
Body and wetted material
CPVC body; CPVC and polycarbonate wetted materials
Operating limits
75psi working pressure; 0–45°C (32–113°F)
Rating
IP-67; USEPA 40CFR Part 136.3; ISO 17289:2014
Selection note

Confirm the current model-specific revision, accessories 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.