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pH Meters

Instruments used to measure the acidity and alkalinity of water, other liquids, and solutions; the difference in voltage between pH-sensitive glass electrodes and reference electrodes is converted into pH units based on the Nernst equation.
Portable pH Meters (347)
Benchtop pH Meters (184)

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16 – 30 of 454 results
16

Oakton™ Waterproof Big Display pHTestr™ 30

Versatile, compact design works in a field or laboratory setting.

EDGE
Diameter (English) 1.5 in.
Warranty 1 Year
Length (Metric) 16.5 cm
Temperature (English) Operating 32.0°F to 122.0°F
Detection Range -1 to 15 pH
Resolution (pH) 0.01
Measurement Modes pH
Range (pH) -1 to 15
Calibration Automatic
For Use With (Application) Hold function, auto-off, error messages, waterproof, dustproof and floatable
Accuracy (pH) ±0.01
Calibration Points 1 to 3
Accuracy ±0.1 pH
Display Type LCD
IP Rating IP66/67
Diameter (Metric) 3.8 cm
Backlight Option None
Certifications/Compliance NIST
Resolution (Temperature) 0.1°C
Temperature (Metric) Operating 0°C to 50°C
Accuracy (Temperature) ±1°C
Resolution 0.1pH
17

Fisherbrand™ accumet™ AR415 pH Bench Meter

Designed to deliver precise and reliable electrochemistry testing, the accumet AR415 offers enhanced performance in a streamlined design. Ideal for laboratories requiring dependable measurement capabilities.

18

Fisherbrand™ accumet™ AR415 pH Meter BioBasic Kit

Designed to deliver precise and reliable electrochemistry testing, the accumet AR415 offers enhanced performance in a streamlined design. Ideal for laboratories requiring dependable measurement capabilities.

20

Thermo Scientific™ Orion Star™ A121 Portable pH Meter

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
21

OHAUS™ Aquasearcher™ pH Meter AB33PH

The Aquasearcher™ pH Meter AB33PH is a highly reliable and user-friendly pH benchtop meter with electrode (ST310) for standard laboratory applications. Designed to measure pH and oxidation-reduction potential with temperature measurements.

Accuracy (mV) ±1
Log Function Type 1000 Measurement, Last Calibration
Resolution (pH) 0.01, 0.1
Measurement Modes Auto-stop,Continuous
Range (pH) -2 to 16
Calibration Linear
Accuracy (pH) ±0.01
Calibration Points Up to 3
Data Management Details Datalog with Time and Date Stamp
Display Type LCD, 6.5 in. Segment and Dot Matrix
Outputs USB, RS-232 (PC), RS-232 (Printer)
Data Points 1000 Sets
Backlight Option LCD
Temperature Range (Metric) -5°C to +110°C
Range (mV) ±2000.0
Accuracy (Temperature) ±0.5°C
22

Thermo Scientific™ Elite pH Pocket Testers and Replacement Sensors

Flexible on-the-go pH and temperature testing using durable Elite pocket testers with replaceable sensors for a variety of applications including environmental monitoring, pools, spas and more!

23

Thermo Scientific™ Orion Star™ A221 Portable pH Meter

Reliably measure pH, mV, ORP and temperature with our portable pH meter for advanced field analysis and printer or computer interfacing.

24
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Thermo Scientific™ Orion™ Pro Star PH211 pH/ORP Bench Meter PROMO

Designed to provide accurate and reliable pH, ORP and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PH211 bench meter is well suited for laboratories that desire a modern meter with advance performance.

25
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Thermo Scientific™ Orion Star™ A221 Portable pH Meter PROMO

Reliably measure pH, mV, ORP and temperature with our portable pH meter for advanced field analysis and printer or computer interfacing.

26

OHAUS™ Starter Water Analysis Portable pH Meters

LCD meters combine portability with precise pH measurement.

Width (English) 3.5 in.
Resolution (pH) 0.01
Measurement Modes pH with mV and Temperature
Range (pH) 0 to 14
Width (Metric) 9 cm
Accuracy (pH) ±0.01
Battery Life >500 hr.
Data Management Details 30 Sets, most recent calibration data
Display Type LCD
Resolution (mV) 1 mV
Data Points 30
Inputs BNC, NTC
Accuracy (Temperature) ±0.5°C
Height (English) 1.3 in.
Weight (Metric) 0.18 kg
Height (Metric) 3.5 cm
Accuracy (mV) ±1
Log Function Type Automatic Data Logging
Material ABS
Calibration Automatic/Manual
Battery Type AAA
Calibration Points 1 to 3
Type Portable pH Meters
IP Rating IP54
Depth (Metric) 17 cm
Backlight Option None
Resolution (Temperature) 0.1°C
Temperature Range (Metric) 0°C to 100°C
Range (mV) -1999 to 1999
Resolution 0.01 pH; 1 mV; 0.1°C
28

Oakton™ pHTestr™ Waterproof Pocket pH Testers

Oakton™ pHTestr™ Waterproof Pocket pH Testers have large easy-to-read LCD display featuring three-color backlight

Height (Metric) 4 cm
Accuracy (mV) ±0.2% full-scale
Warranty 2 Years
Resolution (pH) 0.01
Measurement Modes pH
Range (pH) -2 to 16
Calibration USA, NIST
For Use With (Application) Water Quality Testing
Width (Metric) 4 cm
Battery Type 4 AAA
Channels 1
Accuracy (pH) ±0.01
Calibration Points 1, 2 or 3
Includes pH Tester, protective plastic storage case, lanyard, and four AAA batteries.
Type pH Tester
Battery Life 400 hr.
Temperature Compensation Automatic
Display Type LCD
IP Rating IP67
Backlight Option Yes
Temperature Range (English) 32°F to 122°F
Certifications/Compliance CE
Resolution (Temperature) 0.1°F/°C
Temperature Range (Metric) 0°C to 50°C
Accuracy (Temperature) ±0.5°C;/±0.9°F
29

Fisherbrand™ accumet™ AP115 Portable pH Meter

Accurate measurements any time, anywhere

EDGE