Hach PHM240 Radiometer Analytical Meterlab

• Used for precise pH measurement in chemical and pharmaceutical laboratories.
• Applied in food and beverage quality control for acidity and alkalinity checks.
• Utilised in environmental monitoring for water and wastewater analysis.
• Essential for research and development in various scientific disciplines requiring electrochemical analysis.

Measurement Range

Typically covers a broad pH range, often from -2 to 19.999 pH.

Resolution

Commonly offers high resolution, such as 0.001 pH, for precise readings.

Power Supply

Units of this type typically operate on standard laboratory mains power, commonly 230V AC, 50/60 Hz in the UK.

Input Channels

Often features multiple input channels for simultaneous measurement or connection of different electrodes.

Calibration Points

Typically supports multi-point calibration, often up to 5 points, for accuracy across the measurement range.

Connectivity

Commonly includes interfaces such as RS232 or USB for data transfer to a PC or printer.

• What types of electrodes are compatible with this meter?

  Units of this class are typically compatible with a wide range of pH, ORP, and ion-selective electrodes, often requiring a BNC connector.

• Does this unit come with calibration certificates?

• What maintenance is typically required for a pH meter?

• Can this meter store measurement data?

• Is this unit suitable for field use?

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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