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Pyxis ST-720 / ST-726 High Range Smart Conductivity Sensors

  • NG # 04349-HW-PYXIS-008

The Pyxis ST-720 / ST-726 High Range Smart Conductivity Sensors are industrial-grade inline sensors designed for accurate and stable conductivity measurement in demanding water treatment applications. Featuring advanced sensing technology, wide measurement ranges, and integrated digital/analog outputs, these sensors ensure reliable performance with minimal maintenance.

Manufactured By :
Pyxis
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Call +88 01714243446

Stock

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Overview

The Pyxis ST-720 and ST-726 are high-performance inline conductivity sensors engineered for industrial and environmental water monitoring. Built with advanced sensing technology, these sensors deliver exceptional accuracy, stability, and resistance to interference, making them suitable for complex process environments. Both models incorporate a built-in transmitter that supports dual output signals—analog (4–20 mA) and digital (RS-485 Modbus)—allowing seamless integration with control systems and simplifying installation and operation.

The sensors utilize a durable 4-graphite electrode design that minimizes fouling and ensures long-term measurement reliability. With measurement ranges of 1–100,000 µS/cm for the ST-720 and 10–300,000 µS/cm for the ST-726, they can handle a wide variety of applications from standard process water to high-conductivity environments. An embedded Pt100 temperature sensor enables automatic temperature compensation, ensuring consistent readings under varying conditions.

Additionally, the flat sensor surface simplifies cleaning and maintenance, while wireless diagnostics and calibration via the uPyxis app enhance usability. These features make the ST-720 and ST-726 ideal for industrial water treatment, wastewater monitoring, and other critical process applications requiring dependable conductivity measurement.

Specification

General Specifications

  • Measurement Type: Conductivity & Temperature
  • Sensor Type: Inline smart conductivity sensor
  • Electrode Configuration: 4-graphite electrode
  • Cell Constant (K Factor): 0.3 

Conductivity Range

  • ST-720: 1 to 100,000 µS/cm
  • ST-726: 10 to 300,000 µS/cm
  • Accuracy: ±10 µS/cm or ±1.5% of reading 

Temperature Measurement

  • Range: 0 to 100°C (32 to 212°F)
  • Accuracy: ±0.2% of reading
  • Compensation: Automatic (Pt100 RTD) 

Outputs & Communication

  • Analog Output: Dual 4–20 mA (conductivity & temperature)
  • Digital Output: RS-485 Modbus
  • Wireless: Compatible with uPyxis app (via Bluetooth adapters) 

Electrical

  • Power Supply: 12–36 VDC
  • Power Consumption: 1W 

Mechanical & Material

  • Body Material: CPVC
  • Protection Rating: IP67
  • Dimensions: Approx. 172 mm length × 36 mm diameter 

Installation

  • Mounting: ¾” FNPT inline tee (included)
  • Optional: Submersion adapter (MA-102S) 

Operating Conditions

  • Sample Temperature: 0 to 49°C
  • Storage Temperature: -20 to 60°C (approx.) 

Typical Applications

  • Industrial water treatment
  • Process water monitoring
  • Surface water measurement
  • Wastewater and stormwater systems

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