The Ohaus AquaSearcher AB41PH Bench pH Meter (AB41PH-F) is a research-grade benchtop pH meter offering accurate, repeatable results with an intelligent i-Steward system that helps ensure measurement consistency and can assist with 21 CFR Part 11 compliance. This complete configuration includes the ST410 pH electrode, STTEMP temperature probe, compact stirrer, and electrode holder.
Measurement Range
-2.000 to 20.000 pH; -10.0 to 125.0 C; -2000 to +2000 mV
Resolution
0.001 pH; 0.1 C; 0.1 mV
Accuracy
+/-0.002 pH; +/-0.3 C; +/-0.3 mV
Display
6.5 in. LCD with backlight and touch keypad
Connectivity
RS232, USB
Frequently Asked Questions
Q: Does the AB41PH support audit trails? A: Yes, it generates activity logs and audit-trail reports via SPDC software with user-level access management.
Q: What is the memory capacity? A: It stores up to 1000 measurement and calibration records with date/time stamps.
Q: Which configuration should I choose? A: The -B model ships without an electrode for labs with existing probes; the -F model includes the ST410 pH electrode, STTEMP probe, and compact stirrer.
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