The Daytech PH-1000 series of Digital pH sensors are a general-purpose instrument for measuring water quality. It is ideal for use in environmental and industrial applications where water quality is to be monitored.


Each unit is calibrated when ordered before shipping. Please allow 2-3 weeks delivery.


There are 4 variants available:

-5    = 

 0V – 5V DC analogue output

-10  = 

 0V – 10V DC analogue output

-20  = 

 4-20mA current loop

-RS  = 

 RS485 Modbus output



  • Process Control
  • Chemical Dosing
  • Process monitoring
  • Environmental Water Quality monitoring
  • Surface and Groundwater Monitoring
  • Trade Waste Monitoring and Control
  • Water and Waste water Monitoring and Control
  • Boiler or process water Monitoring and Control
  • Manufacturing, Food and beverage,
  • Mining and Industrial Processes
  • Irrigation and Fertiliser dosing
  • Precision Farming, Rural and Agricultural
  • Greenhouse and Hydroponics
  • Aquaculture

Daytech PH-1000 Series pH Meters

  • Sensor

    pH Range  0 ~ 14 pH Resolution 0.01 pH
    Temperature 0 ~ 80 °C
    Reference Temperature 15.0 ~ 35.0 °C
    Temperature Coefficient 0.00% ~ 10.00%
    Sensor Type Ag/AgCl KCL Ref with Ag+ ion trap, double junction



    Pressure 0 ~ 10 bar @ 50°C
    Mounting Thread NPT ¾”
    Body material Polypropylene (PP)
    IP Rating IP68



    Power Input 12V DC
    Data output

    0-5V DC, 0-10V DC, 4-20mA or RS485

    depending on variant.

    Cable Length 5m
    Cable Connector Labelled flying leads