Take Anywhere, Daily Measurement Partner
Tough and Easy-to-Use Handheld pH/ORP Meter
Can Measure pH and ORP Stably and Accurately
Our long-selling Personal pH/ORP Meter is renewed as a Portable pH/ORP Meter with improved ease of use.
The pH/ORP portable meter can be calibrated using installed standard solutions data. It’s automatic temperature compensation and supportive functions enables accurate measurements. The sensor has a plastic body to prevent accidental damage.
With the ability to attach sensors to the main unit, our Portable pH/ORP Meter is designed for your convenience, making it easy to carry around and use whenever and wherever you need it.
The large backlit display on the main screen shows measured values, stability check signs, and electrode sensitivity indicator functions, providing an easy-to-read collection of information to support measurements.
The tough design makes it suitable for water quality control and research applications, as well as for validating inline pH/ORP analyzers and for grab-sample analysis.
Anytime, Anywhere
Lab Analyses / Wastewater Testing
Details
Features
- Large, Backlit, Easy-to-Read Display
The letters are large and easy to read in the dark and daylight.
- Stability Check Function for Accurate Calibration/Measurement
It informs you when the measurement has stabilized and allows you to calibrate/measure with the correct values.
- Electrode Sensitivity Level Indicator Function Visualizes the State of the Detector
The sensitivity of the connected detector is displayed using easy-to-understand icons based on the calibration data, which helps you to know when to replace the sensor.
- Durable Plastic Sensor and Build-in Sensor Holders
It can be taken out and measured immediately. Less bulky and convenient to carry.
- Excellent Grip, with a Stand on the Back
It features a easy-grip shape, ensuring it won't slip or drop, and can be easily measured with one hand.
- Various Buttons for Ease of Use
The interface is intuitive and easy to understand, with calibration mode/measurement mode/data display mode switchable at the touch of a button.
YOKOGAWA's Technology Enables Stable and Accurate Measurements
- pH measurement for lab analyses
- pH measurement for drinking water plant
- pH/ORP measurement for wastewater treatment
- Validation and sample calibration for inline pH analyzers
Specification
| PH91 | PH92 | ||||
|---|---|---|---|---|---|
| Measurement | Hydrogen ion concentration (pH) | Hydrogen ion concentration (pH) or oxidation-reduction potential (ORP) of solution | |||
| Measuring range | pH | 0.0 to 14.00 pH | pH | 0.00 to 14.00 pH | |
| ORP | -2000 to 2000 mV | ||||
| Temperature | 0 to 80℃ (with sensors) (0 to 50℃ when a KCl replenish-free type sensor and its sensor cable are immersed in water) |
Temperature | 0 to 80℃ (with sensors) (0 to 50℃ when a KCl replenish-free type sensor and its sensor cable are immersed in water) |
||
| Repeatability (Simulated input without sensor) |
pH | ±0.01 pH ±１digit | pH | ±0.01 pH±1digit | |
| ORP | ±0.3% of Reading（-999.9 to 999.9 mV; ±0.3 mV） | ||||
| Temperature accuracy | Simulated input for main unit only; ±0.5 ℃±1 digit Combined with sensors; ±1.0 ℃ (0 to 70 ℃), ±1.3 ℃ (above 70℃) |
||||
| Temperature compensation | Automatic, Manual | ||||
| Functions | Display pH and solution temperature (simultaneously), Electrode sensitivity level indicator, Stability check function, Data Memory（500 points） | Display pH or ORP (mV) and solution temperature (simultaneously), Electrode sensitivity level indicator, Stability check function, Data Memory（500 points） | |||
| Construction | IP67 | ||||
| Connectable sensor | PH92SN | PH92SN, OR92SN | |||
| Solution conductivity | 50 μS/cm or more | ||||
| Power source | 2 x AA batteries (LR6), Auto power off function (time configurable: 1 to 30 minutes) | ||||
| Battery life | Approximately 500 hours | ||||
Related Product
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“Wide Measuring Range, Your Daily Measuring Partner”
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