Hanna HI98167 Professional Portable Beer pH Meter

Overview

The Hanna HI98167 is a purpose-engineered portable pH meter designed exclusively for the brewing industry. It operates on the fundamental electrochemical principle of potentiometric pH measurement—detecting the voltage difference between a pH-sensitive glass membrane and a stable reference electrode in aqueous solution—and converts it into a calibrated pH reading via Nernst equation-based firmware. Unlike general-purpose pH meters, the HI98167 integrates brewery-specific operational logic: automatic recognition of common beer-related buffer standards (including pH 2.01 for highly acidic wort or sour beers), optimized temperature compensation algorithms for fermenting and conditioning temperatures (0–50 °C), and a ruggedized hardware architecture validated for repeated exposure to humid brewhouse environments, CO₂-rich cellars, and cleaning-in-place (CIP) chemical splashes. Its conical-tip FC202B electrode features a food-grade PVDF body and stainless-steel shaft, enabling direct immersion into unfiltered wort, hot break trub, finished beer, and keg lines without risk of contamination or mechanical damage.

Key Features

• Brewery-optimized interface with dedicated icons (Beer pH, ATC, CAL, LOG, RCL, MS) and context-aware prompts—reducing operator error during high-volume QC checks.
• GLP-compliant internal memory storing up to 200 measurement records, each with date/time stamp, measured pH, temperature, electrode slope (%), offset (mV), and full calibration history—including buffer IDs and calibration dates.
• Automatic Temperature Compensation (ATC) using an integrated Pt1000 thermistor in the FC202B probe, ensuring accurate pH correction across typical fermentation ranges (10–22 °C) and lagering conditions (0–4 °C).
• Three-point calibration capability with support for standard buffers (pH 2.01, 4.01, 7.01) and user-defined values—critical for validating accuracy across the full beer pH range (3.0–5.5) where small deviations impact microbial stability and flavor perception.
• IP67-rated enclosure with sealed keypad and rubber overmolded housing—tested per IEC 60529 for submersion up to 1 m for 30 minutes, making it suitable for use on wet floors, near mash tuns, and inside walk-in coolers.
• Low-power design with auto-off and backlight timeout—ensuring >200 hours of continuous operation on four AAA alkaline cells, minimizing downtime during multi-shift production cycles.

Sample Compatibility & Compliance

The HI98167 is validated for direct measurement of turbid, viscous, and low-conductivity samples common in brewing: unfermented wort (original gravity 1.030–1.120), actively fermenting beer (CO₂-saturated, suspended yeast), cold-conditioned lagers, dry-hopped NEIPAs, and post-pasteurization packaged beer. Its FC202B electrode employs a double-junction reference system with KCl gel electrolyte and ceramic junction—resisting clogging from protein haze, hop resins, and yeast aggregates. The instrument meets CE marking requirements and conforms to EN 61326-1 (EMC for laboratory equipment) and EN 61010-1 (safety for electrical equipment). While not FDA-cleared as a medical device, its GLP data structure—including immutable timestamps, operator ID fields (via optional software), and audit-trail-capable export—supports compliance with brewery-based quality management systems aligned with ISO 22000, HACCP, and BRCGS Food Safety Issue 9.

Software & Data Management

Data export is performed via USB connection to Windows-based Hanna Lab Software (HI92000), which enables batch download, graphical trend analysis (pH vs. time/temperature), report generation in PDF or CSV, and electronic signature capture for QA sign-off. All logged entries include instrument serial number, firmware version, and calibration verification status—fulfilling traceability requirements under internal SOPs and third-party audits. The software supports 21 CFR Part 11-compliant configurations when deployed with network authentication, role-based access control, and electronic audit trails—making it deployable in regulated contract brewing facilities operating under GMP-aligned quality frameworks.

Applications

• Pre-boil and post-boil wort pH verification to optimize enzymatic activity and reduce Maillard-driven color formation.
• Fermentation monitoring: tracking pH drop kinetics during primary fermentation as an indirect indicator of yeast health and acid production (lactic/acetic).
• Final beer stabilization: confirming target pH (typically 4.2–4.6) prior to filtration or packaging to ensure microbiological shelf life and colloidal stability.
• CIP solution monitoring: verifying alkaline cleaner (pH >12) and acidic sanitizer (pH <2) concentrations for effective residue removal and passivation.
• R&D trials: comparative pH profiling across yeast strains, water treatments (acidulated malt, CaSO₄ additions), and adjunct ratios.

FAQ

Is the HI98167 suitable for measuring pH in hazy or unfiltered beer?
Yes—the FC202B electrode’s conical tip and clog-resistant double-junction design enable reliable measurements in turbid, yeast-laden, or dry-hopped samples without frequent maintenance.
Does the meter store calibration data between sessions?
Yes—calibration parameters, including slope, offset, buffer IDs, and date/time stamps, are retained in non-volatile memory even after battery replacement.
Can the HI98167 be used for non-beverage applications such as dairy or juice processing?
While technically capable of measuring pH in other food matrices, its firmware, buffer recognition, and validation documentation are specific to brewing processes; Hanna recommends the HI98168 for dairy or HI98169 for wine for full application alignment.
What is the recommended recalibration frequency in a commercial brewhouse?
Per standard brewing SOPs, calibration should be performed before each shift and after any electrode cleaning or temperature excursion exceeding ±5 °C; the GLP log automatically flags overdue calibrations based on user-defined intervals.
Is the FC202B electrode replaceable, and what is its typical service life?
Yes—the electrode is field-replaceable and rated for ≥12 months of daily use in standard brewery conditions; performance degradation is tracked via real-time slope monitoring in the display.