SSEA-PHX digital pH Sensor

The SSEA-PHX digital pH sensor adopts a robust industrial-grade online electrode and an integrated temperature sensor for automatic temperature compensation, rendering it highly suitable for long-term online monitoring applications. It features an RS485 communication interface and supports the standard MODBUS protocol, enabling networking and system integration without the need for an external controller. It is extensively utilized in various fields, including water quality treatment, hydrological monitoring, wastewater management, swimming pools, industrial control systems, and biological application.

 

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Description

Description

The SSEA-PHX digital pH sensor utilizes a high-performance industrial glass electrode and built-in temperature compensation. It supports RS-485 communication with standard MODBUS protocol for seamless system integration, offering reliable, continuous, and low-maintenance pH tracking for wastewater, aquaculture, and environmental applications.

Features

  • Digital sensor with RS-485 output and MODBUS protocol support;
  • Requires no electrolyte, exhibits strong resistance to interference, and eliminates the need for frequent calibration.
  • Includes an integrated temperature sensor with automatic temperature compensation functionality.
  • Utilizes high-performance industrial-grade online electrodes designed for reliable operation over extended periods.
  • All calibration data is stored directly in the sensor, enabling on-site installation and immediate use.

Specifications

Feature / ParameterSSEAPHX-A pH SensorSSEAPHX-B pH Sensor
PrincipleGlass electrode methodGlass electrode method
Range0-14 pH0-14 pH
Accuracy±0.02 pH±0.02 pH
Resolution0.010.01
Housing IP RatingIP68IP68
Maximum Pressure3 bar3 bar
Temperature Range0-50℃0-50℃
Sensor InterfaceSupports RS-485, MODBUS protocolSupports RS-485, MODBUS protocol
Power0.3W (Suggested: DC 12-24V, ≥1A)0.3W (Suggested: DC 12-24V, ≥1A)
AssemblyNPT3/4 thread, submersible mountingConnects with a multi-parameter parent
SizeΦ28mm*194mm (No protective cover)Φ22mm*165.6mm (No protective cover)
Probe Cable Length10m (default), customizableNone
Body MaterialPOM+TiPOM+Ti
CalibrationTwo-points or three-points calibrationTwo-points or three-points calibration
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