Thermo Fisher Scientific - Thermo Scientific Orion Star A211 Bench Top pH Meter

• pH measurement in chemical and pharmaceutical research and development.
• Quality control and assurance in food and beverage production.
• Environmental monitoring for water and wastewater analysis.
• Educational laboratories for chemistry and biology experiments.
• Biotechnology applications requiring precise pH control.

pH Range

Typically -2 to 20 pH, offering broad measurement capability.

mV Range

Commonly ±2000.0 mV, suitable for ORP and redox potential measurements.

Temperature Range

Typically -5°C to 105°C, accommodating various sample conditions.

Calibration Points

Up to 5-point pH calibration, ensuring high accuracy across the range.

Data Logging Capacity

Can log up to 2000 data sets with time and date stamps.

Power Supply

Typically mains powered via an AC adapter, commonly 100-240V.

Connectivity

Commonly features USB and RS232 ports for data transfer.

Display Type

Typically a backlit graphic LCD, providing clear data visibility.

• What types of electrodes are compatible with this meter?

  This meter is typically compatible with a wide range of standard BNC pH, ORP, and temperature electrodes, allowing for versatility in different applications. Buyers should confirm specific electrode compatibility with the seller.

• Is this unit suitable for GLP/GMP environments?

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

• Can this meter be used for field measurements?

• What data output options are available?

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.

General overview for this equipment type