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OHAUS™ Aquasearcher™ pH Meter AB33PH

The Aquasearcher™ pH Meter AB33PH is a highly reliable and user-friendly pH benchtop meter with electrode (ST310) for standard laboratory applications. Designed to measure pH and oxidation-reduction potential with temperature measurements.

Manufacturer:  OHAUS™ 30589826

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Catalog No. 01-922-369



  • Equipped with a large 6.5 in. LCD display and a touch keypad
  • Features a 1000 item memory for pH measurements and calibration trail
  • Provides connectivity and data output capabilities with RS232 and USB interface
  • i-Steward monitors the condition of electrodes to ensure repeatable and consistent measurement accuracy
  • Intuitive user interface makes changing the parameters, executing setup, and performing calibration as simple as using a smartphone
  • Auto endpoint mode and auto buffer recognition makes calibration easy
  • Choose between just the AB33PH meter with electrode holder and a full kit including AB33PH meter, ST310 electrode, electrode holder, 4 pH buffer mini kits (50 mL)


±1 mV
Datalog with Time and Date Stamp
6.5 in. LCD Segment and Dot Matrix
Auto-stop, Continuous
±2000.0 mV
0.1/0.01 pH
AB33PH Meter, Electrode Holder
±0.01 pH
Up to 3 Points
1000 Sets
1000 Measurement, Last Calibration
Connect to PC via RS232 and USB, Connect to Printer via RS232
-2 to 16
−5 to 110°C
Product Certifications