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pH Transmitter Technology


DAYTECH's range of pH Analytical Transmitter technology offers robust, precise and premium solutions for process and environmental pH monitoring and control applications. Combine with the ACORN Modular IoT Mesh/Star Network Platform for a powerful and integrated remote monitoring and control IoT solution.

Process Analytical Digital RS485 Sensors
pH-1000 Digital pH Transmitter

Digital pH transmitter, with RS485 MODBUS, 0-5V, 0-10V or 4-20mA Output options, for liquid pH analysis of water, wastewater and chemical.

ACORN SmartNode 4.png
ACORN IoT-SmartNode
Wireless / Battery / Solar

All In One Industrial IoT Wireless Sensor Network SmartNode - Zigbee Mesh, RS485, 3G/4G


  • Manufacturing, mining, agriculture, irrigation, chemical process, food and beverage, water process or environmental applications;

  • pH Range: 0-14 .00

  • High Resolution: 0.01pH

  • Temperature Range: 0-80C

  • Automatic Temperature Compensation with RTD

  • Ag/Agcl KCL Ref with Ag+ ion trap, Double junction.

  • Pressure: 0-10 bar (@50C)

  • Polypropylene (PP) body

  • NPT 3/4" thread

  • Length: 160mm Φ30mm

  • Output: RS-485 Modbus RTU / 0-5V / 0-10V / 4-20mA

  • Power: DC-12V - Low power consumption

  • IP Rated: IP68 - Fully submersible or process connection.

  • 5m connecting cable with labelled flying leads

  • Optional battery and wireless IoT monitoring and control with the DAYTECH ACORN IoT Node, sold separately.


  • Combine the pH-1000 digital transmitter with the DAYTECH's IoT-SmartNode for remote wireless monitoring and control of many processes and environmental applications. You can monitor an individual process for chemical or fertiliser dosing, or use the system for continuous water quality analysis, with stand alone battery powered 3G/4G or Wifi.

  • With the Zigbee mesh network, you can integrate a whole network of sensors, for more reliable and secure wireless monitoring and control.

  • Direct integration to pumps and valve or other actuators for control via wired relay/PNP/NPN or wireless control.

  • Integration with a wide variety of control systems, connected directly to IO or remote battery powered and wirelessly using Zigbee Mesh Networks or LoRa long range star networks! 

  • For application advice and assistance, please contact our engineering applications specialists

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