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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 (270)
Benchtop pH Meters (166)

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16 – 30 of 354 results
16

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
17

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!

18

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
19
Promotions Available

Thermo Scientific™ Orion™ Pro Star PH211 pH/ORP Bench Meter with Stand 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.

20

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
21

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
22
Promotions Available

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
23

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
24

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.

25

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
27

Fisherbrand™ accumet™ AP110 Portable pH Meter Kit

Accurate measurements anytime, anywhere.

EDGE
28

Thermo Scientific™ Elite ORP Pocket Testers and Replacement Sensors

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!

29
Promotions Available

Thermo Scientific™ PH111 pH/mV Bench Meter Easy-to-Clean Bio Kit PROMO

Orion Lab Star PH111 pH bench meters measure pH or ORP with mV and temperature, feature a large backlit display for easy viewability, and offer small footprint to save bench space. The Orion Lab Star pH meter is ideal for simplified, budget-friendly lab testing and data recording.