Model: R3500 | UPC: 800837004482

High accuracy pH meter with a replaceable electrode.

Datasheet Manual

REED R3500 Offers

This digital pH pen displays both temperature and pH simultaneously on a dual LCD display. The R3500 features automatic temperature compensation for accurate readings and includes a built-in calibration procedure.

What’s included with the REED R3500

  • pH Meter
  • Protective Cap
  • Hard Carrying Case
  • Batteries


  • Dual LCD displays temperature and pH measurements
  • User-selectable °F or °C
  • Automatic temperature compensation
  • Replaceable pH electrode module
  • Data hold function
  • Waterproof housing
  • A protective cap keeps sensor moistened
  • Low battery indicator and auto shut off

Ideal Applications for the REED R3500

  • Water conditioning
  • General-purpose pH measurement
  • Aquariums
  • Wastewater monitoring
  • Beverage production