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Portable pH Meter PH91 and Portable pH/ORP Meter PH92

Portable pH Meter PH91 and Portable pH/ORP Meter PH92

Yokogawa's PH91 and PH92 portable pH and ORP meters combine durability, ease of use and high precision for field and laboratory measurements. With features such as stability control, electrode sensitivity indicator and IP67 rating, these meters are ideal for water quality control and validation of inline analysers.

The PH91 and PH92 portable pH and ORP meters are developed to offer stable and accurate measurements under different conditions. The PH91 focuses on pH measurement while the PH92 offers both pH and ORP measurement, making it flexible for more applications.

These meters are robust with a durable plastic case and a grip-friendly format that makes them easy to use and transport. They are equipped with a large, backlit display that shows measurement values, stability and electrode sensitivity level. With support for both automatic and manual temperature compensation, accurate measurements are guaranteed even in varying environments.

With memory capacity for up to 500 data points and low power consumption, the PH91 and PH92 are reliable partners for daily analyses, field studies and validation of inline systems.

Features and benefits

  • High accuracy: Stability control function ensures reliable measurement values.
  • Electrode sensitivity indicator: Provides insight into sensor status and need for maintenance or replacement.
  • Sustainable constructionIP67 rating and robust design for harsh environments.
  • User-friendly: Large backlit display and intuitive interface for easy operation.
  • Long battery life: Up to 500 hours of use on two AA batteries.

Applications

  • Water quality control: For monitoring pH and ORP in drinking water and wastewater.
  • Industrial processes: Validation and calibration of inline pH analysers in process flows.
  • Laboratory analyses: Fast and accurate measurement of pH and ORP for research purposes.

brochure

PH91 / PH92 / SC92 Portable pH Meter, pH/ORP Meter, Conductivity Meter.

Manual

Portable pH Meter PH91, Portable pH/ORP Meter PH92.

Measuring range (pH):

PH91 0.00 to 14.00 pH, PH92 0.00 to 14.00 pH

Measurement area (ORP):

PH91 -, PH92 -2000 to 2000 mV

Temperature range:

0 to 80 °C (depending on sensor)

Accuracy (pH):

±0.01 pH ±1 digit

Accuracy (ORP):

PH 91 -, PH92 ±0.3 % of reading (-999.9 to 999.9 mV)

Construction quality:

IP67

Memory capacity:

Up to 500 data points

Power supply:

2 x AA batteries (up to 500 hours)

Brand

Yokogawa

Yokogawa is a global player offering advanced measurement and analysis solutions in pressure, flow measurement, liquid and gas analysis. Their products combine high performance with reliability, supporting efficient and safe operation in various industrial applications.

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