Portable pH Meters
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
Hanna Instruments™ Checker™ pH Tester and Replacement Part
For use with virtually any electrode that shares same connector.
Brannan™ Soil Analysis pH Meter
Instantly tells you how acid or alkaline yo soil is and checks which plants suit.
Fisherbrand™ accumet™ AET15 pH Tester
Large display screen - dual display LCD for enhanced readability, provides comprehensive meter information
Fisherbrand™ accumet™ AE6 Portable pH/ORP Meter
The AE6 Portable pH Meters are ideal for quick, accurate conductivity or TDS checks in laboratories, field and schools.
Accuracy (mV) | ±1 |
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Resolution (pH) | 0.01 |
Range (pH) | 0 to 14 |
Calibration | 1.68, 4.01, 7, 10.01, 12.45 |
For Use With (Application) | Water Quality Testing |
Battery Type | AAA |
Accuracy (pH) | ±0.01 |
Calibration Points | 1 to 5 |
Type | Portable Meter |
Temperature Compensation | Automatic/Manual (0°C to 100°C) |
Resolution (mV) | 1 mV |
Resolution (Temperature) | 0.1°C |
Temperature Range (Metric) | 0°C to 100°C |
Range (mV) | -1000 to +1000 mV |
Accuracy (Temperature) | ±0.5°C |
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 |
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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 Node |
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 | IP-67 |
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 |
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.
Thermo Scientific™ Eutech™ pH 150 Meter Kit
Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.
Memory | Stores up to 150 data sets |
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Resolution (pH) | 0.01 |
Range (pH) | -2 to 16 |
Calibration | mV: ±200 mV, Temp: Offset in 0.1 increments, ±10°C or ±18°F |
Accuracy (pH) | ±0.01 |
Power Supply | Two AA batteries (included), >700 hours continuous use; AC adapter (optional) |
Calibration Points | Up to 5 (USA & NIST), Up to 6 (DIN) |
Temperature Compensation | Automatic/Manual (-10°C to 110°C) |
Display Type | LCD, 3-Line Custom |
Resolution (mV) | 0.1 mV ±999.9 mV; 1 mV beyond |
Range (Relative mV) | ±2000 |
Data Points | 150 |
Temperature Range (English) | 14.0°F to 230.0°F |
Resolution (Temperature) | 0.1°C/°F |
Temperature Range (Metric) | -10°C to +110°C |
Accuracy (Temperature) | ±0.5°C;/±0.9°F |
Fisherbrand™ accumet™ AP110 Portable pH Meter
Accurate measurements any time, anywhere
Fisherbrand™ accumet™ AP115 Portable pH Meter
Accurate measurements any time, anywhere
Thermo Scientific™ Eutech™ pH 450 Meter
Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.
Memory | Stores up to 500 data sets |
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Resolution (pH) | 0.01 |
Measurement Modes | 500 |
Range (pH) | -2 to 16 |
Accuracy (Ion) | ±0.5 % full scale (monovalent); ±1 % full scale (divalent) |
Accuracy (pH) | ±0.01 |
Includes | Real-Time Clock: Time and date stamp on calibration and stored data |
Battery Life | >500 hr. (without backlight) |
Temperature Compensation | Automatic/Manual (-10°C to 110°C) |
Display Type | LCD, Custom with Backlight |
Resolution (Ion) | 0.01 / 0.1 / 1 ppm |
Resolution (mV) | 0.1 mV ±999.9 mV; 1 mV beyond |
Data Points | 500 |
Temperature Probe Calibration | Offset in 0.1 increments, ±10 °C or ±18 °F |
Accuracy (Temperature) | ±0.5°C/±0.9°F |
Weight (Metric) | Meter: 0.5 kg, Boxed: 0.7 kg |
Accuracy (mV) | ±0.2 +2 LSD or +0.5 % of reading, whichever is greater |
AC Adapter | Optional |
Calibration | mV: ±200 mV, Ion: From 2 to 4 or 2 to 5 points: 0.10, 1.00, 10.0, 100.0 & 1000 / 0.20, 2.00, 20.0 |
Battery Type | 2 x AA batteries (included) |
Calibration Points | Up to 5 (USA & NIST & CUSTOM), Up to 6 (DIN) |
Dimensions (L x W x H) | Meter: 7 7/8 x 3 1/8 x 2 1/4 in (20 x 8.3 x 5.7 cm), Boxed: 9 1/8 x 9 1/8 x 2 3/4 in (23 x 23 x 7 cm) |
IP Rating | IP-67 |
Outputs | USB, RS-232 |
Temperature Range (English) | 14.0°F to 230.0°F |
Range (Ion) | 0.0 to 2000 ppm |
Weight (English) | Meter: 1 lb., Boxed: 1.4 lb. |
Resolution (Temperature) | 0.1°C/°F |
Temperature Range (Metric) | -10°C to +110°C |
Range (mV) | ±2000 |
Fisherbrand™ Handheld pH/ORP meter KIT with Accumet AE6BK, pH electrode, ATC, in carrying case
Fisherbrand Handheld pH/ORP meter KIT with Accumet AE6BK, pH electrode, ATC, in carrying case
Hanna Instruments™ Portable pH/mV Meter
Features automatic calibration at one or two points and ATC when using the temperature probe. Hanna Instruments™ Portable pH/mV Meter is a compact, waterproof meter supplied complete with a protective carrying case, pH electrode, temperature probe, calibration buffer and cleaning solution.
Hanna Instruments™ Waterproof Portable pH Meter
Features a large, dual level LCD display for easy viewing of the pH, temperature, and status indicators. Hanna Instruments™ Waterproof Portable pH Meter offers a simplified two-button operation. Compact, waterproof, and portable.
WTW™ WTW™ ProfiLine™ pH Portable Meters
Obtain optimum results with this easy and robust portable pH/mV meter with an automatic autoread function for routine pH measurements that is safe, secure, reliable, and prevents errors.
Height (Metric) | 180 mm |
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Accuracy (mV) | ±0.3, ±1 |
Warranty | 3 Years |
Resolution (pH) | ±0.005 |
Range (pH) | -2 to 19.999 |
For Use With (Application) | Ideal for all seeking an easy, robust and waterproof instrument for portable pH measuring |
Width (Metric) | 80 mm |
Battery Type | AA, NiMH |
Accuracy (pH) | ±0.1, ±0.01, ±0.005 |
Power Supply | 4 x 1.5V AA or 4 x 1.2V NiMH rechargeable |
Calibration Points | 1, 2 or 3 Calibration WTW Technical Buffer, DIN/NIST buffers |
Type | Portable pH meter |
Battery Life | 2500 hr. |
Dimensions (L x W x H) | 80 W x 180 H mm |
Display Type | LCD, 7 Segment |
IP Rating | IP-67 |
Depth (Metric) | 55 mm |
Resolution (mV) | ±0.3, ±1mV |
Certifications/Compliance | CE |
Temperature (Metric) Operating | -5°C to +105°C |
Range (mV) | -1200 to 1200, -2000 to 2000 |
Accuracy (Temperature) | ±0.1°C |
Dimensions (L x W) | 80 W mm |
Resolution | All values ±1 digit |
Weight (Metric) | 0.6 kg |
Jenway™ 550 portable pH meter supplied in carry case with epoxy combination pH electrode, ATC probe and batteries
550 portable pH meter supplied in carry case with epoxy combination pH electrode, ATC probe and batteries. A small, lightweight general purpose pH meter offering 2 point pH calibration and automatic buffer recognition. Simultaneously displays both the temperature compensated pH readings and temperature.