PCE-PH 228 Professional pH / Redox (ORP) Meter: High Accuracy Lab & Field GLP Traceability.
The PCE-PH 228 is a precise, professional-grade handheld meter engineered for rigorous pH, Redox (ORP), and temperature measurement using external sensors.
Designed for demanding laboratory, industrial, and field environments, it combines high accuracy (±0.002 pH), reliability, and essential GLP-compliant traceability features.
Ideal for quality-control specialists and researchers in Canadian water-treatment, food-production, and pharmaceutical laboratories, the PCE-PH 228 simplifies complex workflows.
Features such as the Permanent Measurement Verification (PMV) bar and graphical calibration assistant ensure every reading is consistent, trustworthy, and audit-ready.
Key Performance Features and Workflow Efficiency
The PCE-PH 228 is designed to maintain consistent, traceable results across regulatory and industrial environments.
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High-accuracy measurement: professional-grade accuracy of ±0.002 pH + 2 digits
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Permanent Measurement Verification (PMV): on-screen indicator confirms readings are within the calibrated range for dependable results
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GLP traceability: automatic data recording with user and sample management ensures a structured, auditable workflow
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Simple calibration: step-by-step graphical calibration assistant supports quick, reliable setup
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Multi-parameter capability: measures pH, Redox (ORP), and temperature when paired with external sensors
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Data logging and export: internal memory stores long-term measurement records; USB port enables convenient data export for documentation
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High-resolution display: back-lit LCD provides clear visibility of real-time readings in any lighting condition
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Specifications
| Category | Specification |
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| Measurement Parameters | pH, Redox (ORP), Temperature |
| pH Range | –2.00 to +20.00 pH |
| pH Accuracy / Resolution | ±0.002 pH + 2 digits / 0.001 pH |
| Redox (ORP) Range | –2000 mV to +2000 mV |
| Redox Accuracy / Resolution | ±2 mV / 1 mV |
| Temperature Range | –20 °C to +100 °C |
| Temperature Accuracy / Resolution | ±0.5 °C (@ 20 °C) / 0.1 °C |
| Calibration | Graphical, 2- to 5-point guided calibration |
| Data Logging | 32 GB internal memory (up to 100 records, 100 000 data points each) |
| Interface | USB-C (data transfer + charging) |
| Display | High-resolution back-lit LCD |
| Protection Class | IP52 (splash-resistant, lab-grade) |
| Power Supply | 2500 mAh Li-Po rechargeable battery |
| Operating Conditions | –20 °C to +65 °C / 10–95 % RH |
| Dimensions / Weight | 178 × 85 × 32 mm / 252 g |
| Languages | English, French + 10 others |
| Electrode Type | PE-03 (pH 1 – 13 range, aqueous non-corrosive media) |
Included with the Instrument
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PCE-PH 228 Meter
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PE-03 pH Electrode
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Temperature Sensor
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USB-C Cable
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Service Pouch
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Quick Start Guide
Reliability and Canadian Support
The PCE-PH 228 runs on standard batteries, providing long service life for both laboratory and mobile applications.
When purchased through Cambridge Environmental Products Inc., Canadian customers benefit from:
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Local service and technical support within Canada
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Full domestic warranty coverage for peace of mind
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Expert assistance with GLP traceability, documentation, and calibration practices
Built on German engineering and supported by Canadian expertise, the PCE-PH 228 delivers dependable performance for professionals who require precision, traceability, and durability in every measurement.