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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 (334)
Benchtop pH Meters (169)

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16 – 30 of 423 results
16

Thermo Scientific™ Orion Star™ A221 Portable pH Meter
SDP

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

17
Promotions Available

Mettler Toledo™ pH Meter SevenDirect SD20
GREENER_CHOICE

The SevenDirect SD20 is an accurate and flexible benchtop meter for the determination of pH and ORP. The instrument is the replacement of the SevenCompact and is delivered with an EasyPlace sensor arm.

Memory 2000 Standard Measurements
Log Function Type Automatic, Manual
Resolution (pH) 0.001, 0.01, 0.1
Range (pH) -2 to 20
Accuracy (pH) 0.002
Calibration Points Up to 5
Dimensions (L x W x H) 195 x 205 x 65 mm
Data Management Details PC, Printer, USB Stick
Display Type Color TFT
IP Rating IP54
Data Points 2000
Backlight Option Yes
Temperature Range (English) -22°F to +266°F
Weight (English) 1.9 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -30°C to +130°C
Range (mV) -2000 to 2000 mV
Accuracy (Temperature) ±0.1°C between 0°C and 100°C
Weight (Metric) 850 g
18

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
20

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.

21

Fisherbrand™ accumet™ AP115 Portable pH Meter
SDP

Accurate measurements any time, anywhere

22

Thermo Scientific™ Elite pH Pocket Testers and Replacement Sensors
SDP

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

OHAUS™ Aquasearcher™ pH Meter AB23PH

The Aquasearcher™ pH Meter AB23PH is a simple to use benchtop meter for measuring pH and oxidation-reduction potential (ORP). An intuitive design and auto-buffer recognition make measuring pH straightforward and easy.

Accuracy (mV) ±1
Log Function Type Automatic Data Logging
Resolution (pH) 0.01
Measurement Modes Auto-stop,Continuous
Range (pH) 0 to 14
Calibration Linear
Accuracy (pH) ±0.01
Calibration Points Up to 3
Data Management Details Datalog for Measurements and Calibration
Display Type LCD
Data Points 99 Sets
Backlight Option Yes
Temperature Range (Metric) 0.0°C to 100.0°C
Range (mV) ±1999
Accuracy (Temperature) ±0.5°C
24

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
25

Thermo Scientific™ Elite ORP Pocket Testers and Replacement Sensors
SDP

Flexible on-the-go ORP testing using durable Elite ORP pocket testers with replaceable sensors for a variety of applications including hydroponics, food and beverage, environmental and more!

26

OHAUS™ Aquasearcher™ pH Meter AB41PH

The Aquasearcher™ pH Meter AB41PH is an advanced, research-grade benchtop pH meter with electrode, offering accurate, repeatable results with selectable resolution and an intelligent i-Steward system.

Accuracy (mV) ±0.3
Log Function Type 1000 Measurement, 10 Calibration
Resolution (pH) 0.001, 0.01, 0.1
Measurement Modes Auto-stop,Timed,Continuous
Range (pH) -2 to 20
Calibration Offset
Accuracy (pH) ±0.002
Calibration Points Up to 5
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) -10°C to +125°C
Range (mV) ±2000.0
Accuracy (Temperature) ±0.3°C
27

Fisherbrand™ accumet™ AP110 Portable pH Meter Kit
SDP

Accurate measurements anytime, anywhere.

28

Fisherbrand™ accumet™ AR415 pH Meter 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.

29

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.

30

OHAUS™ Starter™ pH Meter ST2200

The Starter™ pH Meter ST2200 is an affordable benchtop pH Meter that clearly displays information with five distinctly marked keys, allowing users to operate with minimal training.

Accuracy (mV) ±1.5
Log Function Type Automatic Data Logging
Resolution (pH) 0.01
Measurement Modes Auto-stop,Continuous
Range (pH) 0 to 14
Calibration Linear
Accuracy (pH) ±0.01
Calibration Points 1 to 3
Data Management Details Datalog for Measurements and Last Calibration
Display Type LCD
Data Points 99 Sets
Backlight Option Yes
Temperature Range (Metric) 0.0°C to 100.0°C
Range (mV) ±1999
Accuracy (Temperature) ±0.5°C