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The next step in the evolution of OHAUS’ original Starter Series, the all-new AQUASEARCHER™ AB33PH bench meter is designed to be reliable, efficient, and user-friendly. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind. The large LCD display and touch keypad make changing the parameters, executing setup, and performing calibration as simple as using a smartphone.

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Technical Specification

AquaSearcher™ AB33PH Bench Meter (AB33PH-F)

Measurement Range -5 °C – 110 °C; -2.00 – 16.00 pH; -2000.00 – +2000.00 mV
Measurement Resolution 0.1 °C; 0.01 pH; 1 mV
Accuracy ±0.5 °C; ±1 mV; ±0.01 pH
Display LCD with backlight & one-line dot matrix
Electrode ST310 (Included)
Accuracy ± (mV) 1 mV
Accuracy ± (Temperature) 0.5 °C
Dimensions 8.3 in x 2 in x 5.6 in (210 mm x 51 mm x 142 mm) (LxHxW)
Net Weight 1.1 lb (0.5 kg)
Parameter pH/mV/ORP
Power AC Adapter (Included)

Key Features

  • Multifunctional touch keypads make measurement simple and fast within 3 steps
  • Intelligent i-Steward monitors the condition of electrodes, ensuring the accuracy of the results
  • Auto endpoint mode and auto buffer recognition make calibration easy
  • Efficient data documentation for pH measurements and calibration trail
  • Multiple connectivity capabilities include RS232 & USB interface
  • User-friendly bench meter with an innovative design

Ohaus AquaSearcher Benchtop Meters

OhausHeadquartered in Parsippany, NJ, OHAUS Corporation manufactures an extensive line of high-precision electronic and mechanical balances and scales and a growing range of laboratory equipment and analytical instruments to support the needs of a range of industries. We are a global leader in laboratory, industrial, and education markets as well as a host of specialty markets, including food preparation, pharmacy and jewelry. An ISO 9001:2008 manufacturer, OHAUS products are precise, reliable, affordable, and are backed by industry-leading customer support.
[pH Meter, pH Bench Meter]