Digital pH Meters

Digital PH meters offer convenience, accuracy and quality performance when determining pH measurements in the lab or field. Units are affordable and feature easy-to-read LCD display screens with unique, waterproof design and long-lasting battery life.


Pen pH Meters

Starting at $51.00
Models: MA-257, MA-258
Model: MA-260

Durable units are designed for years of maintenance free service and are supplied with a Meter, Case, Calibrating Buffers, and instruction manual. Select a model according to required features and operational environment.

  • Pen pH Meters from Ohaus are ideal for prolonged use in rugged environments and show measurements in the 0 to 14pH range. Waterproof design prevents water damage when dropped in liquid and the automatic shutdown feature helps preserve battery life for field use up to 200 hours.
  • Portable pH Meters also from Ohaus, are versatile and reliable either in the lab or field with a compact, adaptable design for a wide range of environments. IP54-rated protective ABS plastic casing shields the meter from water and dust damage. The data library stores up to thirty measurements for future reference and units operate for approximately 500 hours on four included AAA batteries.