ST-720 Inline Conductivity Sensor

High Range Smart Conductivity Sensor.

A simple to use inline sensor that measures for Conductivity (1–100,000µS/cm). Built robustly for Industrial Water Treatment applications!

CE Mark

$974.00

Description

The ST-720 is a uniquely designed industrial grade inline conductivity sensor that offers greatly improved range, accuracy and stability with anti-interference capabilities. A built-in transmitter supports both digital and analog signal output, designed to simplify on-site installation, calibration and operation. The ST-720 contains a 4-Graphite Electrode Configuration with a scale of 1–100,000µS/cm, allowing the sensor to be less prone to fouling and deposition. This sensor maintains conductivity accuracy and precision – without the need of frequent calibrations – within a 1.5% µS/cm.

Furthermore, the ST-720 contains an embedded PT-100 RTD temperature sensor allowing for automatic temperature compensation. The unique flat surface makes sensor cleaning and calibration extremely easy. The sensor is provided with the ST-001 inline tee (3/4inch FNPT Format). Therefore, the ST-720 may also be installed with the MA-102S Submersion Adapter. Furthermore, the ST-720 offers two 4–20mA output signals (temperature and conductivity) with integrated transmitter as well as RS-485 Modbus digital output. Finally, as with all Pyxis Lab® sensor, the ST-720 can be diagnosed, cleaned and calibrated in wireless format when used with the MA-WB or PowerPACK series and the uPyxis® app.

Typical Applications

  • Industrial Water Applications
  • Process Water Applications
  • Surface Water Monitoring
  • Wastewater & Stormwater Monitoring

Features

  • Large/Dynamic Range 1–100,000µS/cm
  • (2) 4–20mA & RS-485 Output for Temperature and Conductivity
  • Conductivity Value Compensated based on the Measured Temperature to Normal Value = 25 ºC
  • Wireless Diagnosis & Calibration via uPyxis® App
  • Cell Constant – K Factor = 0.3

Specifications

Item ST-720
Part Number 53101
Conductivity Range Output 1-100,000µS/cm, ±10µS/cm or 1.5%
Temperature Range Output 0-100 °C (32-212 °F) ±0.2% of the Value
Sample Temperature 0-49 °C (32-120 °F)
Power 12-36VDC, 1W
Storage Temperature -4-140 °F
Output Signal (2) 4-20mA & RS-485 Modbus (Temperature & Conductivity)
Dimension 172mm (6.8in) L, 36mm (1.44in) D
Installation ST-001 3/4in Tee Assembly INCLUDED
MA-102S Submersion Adapter
Body Material CPVC
Rating IP67
Regulation CE /RoHS

Support Documents

ST-720 + ST-726 High Range Conductivity + Temperature Sensor DataSheet

Water Quality Sensor (pH, ORP, Conductivity) Start-Up Guide

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