Portable pH Meters
Instruments used to measure the acidity or alkalinity of a sample, and designed for portability and durability.
Portable pH meters are most often used away from the physical lab to measure the acidity or alkalinity of liquids in more remote locations.
A pH meter actually measures hydrogen-ion activity in water-based solutions. The liquid’s acidity or alkalinity is expressed as a pH unit. The pH scale ranges from 0 to 14, meaning a liquid with a pH below 7 is acidic and a pH above 7 is basic. A pH of 7 is considered neutral.
Also called electrochemistry meters, pH meters are potentiometric and determine the difference in electrical potential between the measuring electrode and a reference electrode.
Some portable pH meters accomplish routine tasks, often used to determine the pH of swimming pools and meet other commercial needs. These are sometimes called pH testers. Indicators or litmus papers can also be used to qualitatively measure pH.
Modern portable pH meters are typically digital and may detect more than pH. Some are equipped to measure specific ions, dissolved oxygen content, or conductivity.
Many portable pH meters are waterproof to protect against accidental dropping or adverse environmental conditions like rain or snow. Some electrodes are also equipped with longer cables to allow for submersion in a reservoir of water or other liquid.
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Filtered Search Results
Fisherbrand™ accumet™ AET15 pH Tester
Large display screen - dual display LCD for enhanced readability, provides comprehensive meter information
Mettler Toledo™ FiveGo™ F2 pH/mV Meters
Portable meter provides reliable and high quality pH/mV measurements with simple click of a button
| Accuracy (mV) | ±1 |
|---|---|
| Memory | 200 measurements, current calibration |
| Log Function Type | Automatic, Manual |
| Resolution (pH) | 0.01 |
| Measurement Modes | pH |
| Range (pH) | 0 to 14 |
| Calibration | Linear |
| Calibration Points | 3 |
| Temperature Compensation | ATC and MTC |
| Dimensions (L x W x H) | 18.8 x 7.7 x 3.3 cm (97.4 x 3 x 1.3 in.) |
| Display Type | LCD |
| Model | F2 |
| Resolution (mV) | 1mV |
| Data Points | 200 |
| Backlight Option | None |
| Weight (English) | 0.5 lb. |
| Resolution (Temperature) | 0.1° |
| Temperature Range (Metric) | 0°C to 100°C |
| Range (mV) | -1999 to 1999 |
| Inputs | BNC, Cinch |
| Accuracy (Temperature) | ±0.5°C |
| Weight (Metric) | 0.26 kg |
Thermo Scientific™ Orion Star™ A121 Portable pH Meter
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Take simple pH and temperature measurements with our portable pH meter with easy operation for basic field testing.
| Memory | Non-volatile memory preserves log and settings |
|---|---|
| Resolution (pH) | 0.01, 0.1 |
| Languages | English |
| Measurement Modes | pH,mV,Relative mV with Temperature |
| Range (pH) | -2 to 16 |
| Channels | 1 |
| Accuracy (pH) | ±0.01 |
| Power Supply | 4 AA batteries (included) or universal AC adapter (sold separately) |
| Battery Life | 2000 hr. |
| Data Management Details | Internal Data Point Memory |
| Display Type | LCD |
| Resolution (mV) | 0.1mV |
| Data Points | 50 |
| Certifications/Compliance | CE, TUV 3-1, FCC Class A |
| Temperature Probe Calibration | 1 point temperature offset calibration |
| Inputs | BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe) |
| Accuracy (Temperature) | ±0.1°C |
| Weight (Metric) | 0.5 kg |
| Accuracy (mV) | ±0.2 or ±0.05%, whichever is greater |
| Stability | Smart Stability and Smart Averaging |
| Warranty | 3 Year Meter Warranty |
| Temperature (English) Operating | 41°F to 113°F (ambient) |
| Isopotential Point | 7.00pH |
| AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
| Log Function Type | Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode |
| Calibration | pH, relative mV (RmV) and temperature |
| Battery Type | 4 x AA |
| Relative Humidity Range | 5 to 85%, non-condensing |
| Calibration Points | 1 to 3 |
| Dimensions (L x W x H) | 24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.) |
| IP Rating | IP67 |
| Temperature Selection | Manual or automatic with ATC temperature probe |
| Keypad | Simple with highlighted measure key, scroll and shortcut keys |
| Model | Orion Star A121 Portable pH/mV/RmV/Temperature Meter |
| Outputs | None |
| Range (Relative mV) | ±1999.9mV |
| Temperature Range (English) | 22.0°F to 221.0°F |
| Weight (English) | 2 lb. |
| Resolution (Temperature) | 0.1°C, 0.1°F |
| Temperature (Metric) Operating | 5°C to 45°C (ambient) |
| Temperature Range (Metric) | -5°C to +105°C |
| Range (mV) | ±1600.0 |
Hanna Instruments™ pH/Conductivity/TDS Tester
Designed for high accuracy measurements using one meter. Hannna Instruments™ pH/Conductivity/TDS Tester includes easy to read dual LCD display of pH/°C or TDS/°C. Includes 'HOLD' function and replaceable pH electrode.
Hanna Instruments™ Waterproof Portable pH/pH-mV/ORP/Temperature Meter with Sensor Check™
Allows the user to determine the electrode status at any time. Hanna Instruments™ Waterproof Portable pH/pH-mV/ORP/Temperature Meter with Sensor Check™ is supplied with a rugged carrying case and a unique titanium body pH/ORP electrode that has a built-in temperature sensor.
Thermo Scientific™ Orion Star™ A221 Portable pH Meter
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Reliably measure pH, mV, ORP and temperature with our portable pH meter for advanced field analysis and printer or computer interfacing.
Hanna Instruments™ Benchtop pH Meter with Three Point Calibration
Displays pH and temperature simultaneously on a large LCD display. Hanna Instruments™ Benchtop pH Meter with Three Point Calibration is an affordable pH benchtop meter that features automatic pH calibration up to three-points using five pre-programmed standard and two custom buffers.