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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.
Benchtop pH Meters (45)
Portable pH Meters (27)

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1 – 15 of 44 results
1

Fisherbrand™ accumet™ FE150 Benchtop pH Meter

Provides the essential functions needed for routine pH measurements without complicated features and processes at a budget-friendly price.

EDGE
Accuracy (mV) ±0.2 ±199.9 ±2 Beyond ±200
Electrical Requirements AC/DC 9 V Adapter (110/220 VAC, 50/60 Hz)
Memory 100 Data Sets
Resolution (mV) 0.1 mV (±199.9 mV); 1 mV Beyond ±200 mV
Outputs Recorder (±2000 mV)
Temperature Probe Calibration Offset in 0.1°C Increments; Offset Range: ±5°C
Resolution (Temperature) 0.1°C
Range (pH) 0 to 14
Temperature Range (Metric) 0°C to 100°C
Range (mV) ±1999 mV
Inputs BNC, 2.5 mm Phono Plug, Reference Pin Tip, Ground
2
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Mettler Toledo™ FiveEasy™ F20 pH/mV Meters

Compact, benchtop meter provides high quality pH/mV measurements with simple click of a button

EDGE
Accuracy (mV) ±1
Memory Current calibration
Resolution (pH) 0.01
Range (pH) 0 to 14
Calibration Linear
Accuracy (pH) ±0.01
Temperature Compensation ATC and MTC
Dimensions (L x W x H) 22.7 x 14.7 x 7 cm (9 x 5.7 x 2.7 in.)
Display Type LCD
Voltage 120/240 V
Model F20
Resolution (mV) 1mV
Frequency 50/60 Hz
Temperature Range (English) 32°F to 212°F
Weight (English) 1.4 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) 0°C to 100°C
Range (mV) 2000 to 2000
Inputs BNC, Cinch, NTC 30kiloOhm sensors
Accuracy (Temperature) 0.5°C
Weight (Metric) 0.63 kg
3
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Mettler Toledo™ FiveEasy™ Plus FP20 pH/mV Meters

Compact, benchtop meter provides high quality pH/mV measurements with simple click of a button.

EDGE
Accuracy (mV) ±1
Memory 200 measurements, current calibration
Resolution (pH) 0.01, 0.1
Range (pH) -2 to 16
Calibration Linear/Segmented
Accuracy (pH) ±0.01
Temperature Compensation ATC and MTC
Dimensions (L x W x H) 22.7 x 14.7 x 7 cm (9 x 5.7 x 2.7 in.)
Data Management Details RS232, USB
Display Type LCD
Voltage 120/240 V
Model FP20
Resolution (mV) 1mV
Frequency 50/60 Hz
Temperature Range (English) 23°F to 221°F
Weight (English) 1.4 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -5°C to +105°C
Range (mV) 2000 to 2000
Inputs BNC, Cinch, NTC 30kiloOhm sensors
Accuracy (Temperature) 0.3°C
Weight (Metric) 0.63 kg
4

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!

EDGE
5

Thermo Scientific™ Eutech™ CyberScan pH 600 Meter

Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.

6
Promotions Available

Thermo Scientific™ Eutech™ CyberScan pH 610 Meter

Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.

7
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WTW™ ProfiLine™ pH Portable Meters
GREENER_CHOICE

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
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
Battery Life 2500 hr.
Dimensions (L x W x H) 80 W x 180 H mm
Display Type LCD, 7 Segment
IP Rating IP67
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
8

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.

9

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.

10
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Thermo Scientific™ Eutech™ pH 5+ pH meter

Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.

11

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.

12
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
13
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Thermo Scientific™ Orion™ Pro Star PH211 pH/ORP Bench Meter with Stand

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.

Memory Non-volatile
Resolution (pH) 0.1, 0.01 or 0.001 pH
Languages Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish
Measurement Modes pH with mV and Temperature,ORP with mV and Temperature
Range (pH) -2 to 20
Channels 1
Accuracy (pH) ±0.002 pH
Display Type 7-in. High-resolution Color Graphic LCD
Resolution (mV) 0.1 mV
Data Points 10,000 with Date and Time Stamp
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 or 2 point temperature offset calibration
Inputs BNC for pH or ORP, 8-pin MiniDIN for ATC, pin-tip for reference
Accuracy (Temperature) ±0.3°C, ±0.5°F
Weight (Metric) 1.00 kg
Accuracy (mV) ±0.2 mV or ±0.05% of the reading, whichever is greater
Warranty 2 year meter warranty
Isopotential Point 7.000 pH
AC Adapter Universal 100-240 V 50/60 Hz power supply with wall plugs for US/Japan, Euro, UK/Singapore, Australia/New Zealand and China outlets
Log Function Type Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Calibration pH, ORP, Temperature
Calibration Points 1 to 5 (pH), 1 (ORP), 1 to 2 (Temperature)
Alarm Output Calibration reminder alarm, high and low limit alarm per parameter
Dimensions (L x W x H) 218.9 x 153.2 x 91.33 mm; 8.62 x 6.03 x 3.60 in.
IP Rating IP54
Temperature Selection Automatic with ATC temperature sensor, ambient or manual
Keypad Capacitive touchscreen user interface
Model PH211
Outputs USB flash drive, computer or printer (STARA-106)
Range (Relative mV) -2000 to 2000 mV
Backlight Option Yes
Temperature Range (English) -22°F to +266°F
Calibration Points (pH) 1 to 5 points
Weight (English) 2.20 lbs.
Resolution (Temperature) 0.1°C, 0.1°F
Temperature Range (Metric) -30°C to +130°C
Range (mV) -2000 to 2000 mV
Methods 10
Range (ORP) -2000 to 2000 mV
14

Thermo Scientific™ Eutech™ pH 6+ pH Meter

Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.

Calibration Points Up to 5
Accuracy (mV) ±1
Temperature Compensation Automatic/Manual (0°C to 100°C)
Display Type LCD
Resolution (mV) 1 mV
Resolution (Temperature) 0.1°C
Range (pH) 0 to 14
Temperature Range (Metric) 0°C to 100°C
Range (mV) -1000 to 1000
Battery Type 4 AAA x 1.4V batteries
Accuracy (Temperature) ±0.05°C
Accuracy (pH) ±0.01
15
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Thermo Scientific™ Eutech™ pH 5+ meter

Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.

Calibration Points 2 to 5
Includes Auto Power-Off after 17 minutes; Hold & Self-diagnostic messages
Temperature Compensation Automatic/Manual (0°C to 100°C)
Display Type LCD
Resolution (pH) 0.01
Resolution (Temperature) 0.1°C
Range (pH) 0 to 14
Temperature Range (Metric) 0°C to 100°C
Battery Type 4 AAA x 1.4V batteries
Accuracy (Temperature) ±0.5°C
Accuracy (pH) ±0.01