Radiometer Analytical MeterLab PHM220 Lab PH Meter

• Used for accurate pH measurement in laboratory settings across various industries.
• Essential for quality control in food and beverage production, ensuring product consistency and safety.
• Utilised in pharmaceutical research and manufacturing for process monitoring and product formulation.
• Applied in environmental testing for water quality analysis and soil assessment.
• Key for chemical synthesis and analysis, monitoring reaction progress and solution properties.

Typical measurement range

Commonly covers a full pH range, typically 0 to 14 pH.

Resolution

For this class of equipment, a resolution of 0.001 pH is often available.

Accuracy

Typically ±0.002 pH for high-precision benchtop units.

Temperature compensation

Automatic and manual temperature compensation is commonly found on units of this type.

Calibration points

Often supports multi-point calibration, typically up to 5 points.

Power supply

Typically operates on standard laboratory mains power, commonly 230V AC, 50/60Hz for UK use.

Display type

Units of this type commonly feature an LCD display for clear readings.

Connectivity

RS232 or USB ports are often included for data output and printer connection.

• What type of electrodes are compatible with the PHM220?

  This model is typically compatible with a wide range of standard pH electrodes, including glass and combination electrodes, often with a BNC connector. Buyers should confirm specific electrode requirements with the seller.

• Does this unit include temperature measurement capabilities?

• Is calibration straightforward for this model?

• What maintenance is typically required for a used pH meter?

• Can this unit be integrated with data logging software?

pH meters and sensors attract strong buyer interest in laboratory, biotech and pharmaceutical settings. Industry consensus values accuracy, calibration stability and sensor longevity as critical factors. Used units typically offer good value if maintained properly. Buyers prioritise checking calibration history, electrode condition and display functionality before purchase. Reputable brands retain performance well. Common strengths include reliable readings in controlled environments and straightforward operation, though sensors require regular maintenance and occasional replacement to sustain accuracy standards.

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