pH Meters

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 (96)
Portable pH Meters (82)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Filter By

Filter By

No results found within this category. Try removing some selected filters and try again.

category

brands

  • (1)
  • (1)
  • (3)
  • (31)
  • (26)
  • (6)
  • (1)
  • (24)
  • (1)
  • (3)
  • (7)
  • (8)
  • (2)
  • (26)
  • (21)
  • (1)
  • (16)

special offers

  • (6)
  • (1)

special programs

  • (20)

Resolution (pH)

  • (63)
  • (46)
  • (15)
  • (9)
  • (8)
  • (8)
  • (6)

Range (pH)

  • (44)
  • (39)
  • (26)
  • (10)
  • (8)
  • (5)
  • (4)
  • (4)
  • (3)
  • (3)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)

Accuracy (pH)

  • (62)
  • (28)
  • (13)
  • (9)
  • (8)
  • (8)
  • (7)
  • (4)
  • (4)
  • (3)
  • (1)
  • (1)
  • (1)
  • (1)

Accuracy (Temperature)

  • (34)
  • (24)
  • (12)
  • (12)
  • (9)
  • (8)
  • (8)
  • (6)
  • (5)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)

Display Type

  • (77)
  • (13)
  • (9)
  • (6)
  • (5)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Temperature Range (Metric)

  • (35)
  • (31)
  • (12)
  • (11)
  • (8)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Calibration Points

  • (16)
  • (12)
  • (10)
  • (8)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Accuracy (mV)

  • (35)
  • (20)
  • (15)
  • (12)
  • (8)
  • (4)
  • (4)
  • (4)
  • (3)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Range (mV)

  • (23)
  • (13)
  • (13)
  • (9)
  • (8)
  • (8)
  • (7)
  • (7)
  • (6)
  • (5)
  • (4)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)

Calibration

  • (15)
  • (10)
  • (9)
  • (5)
  • (5)
  • (4)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
1 – 30 of 108 results
1

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.

2

Mettler Toledo™ FiveEasy™ F20 pH/mV Meters

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

Promotions are available
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
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

Hanna Instruments™ Checker™ pH Tester and Replacement Part

For use with virtually any electrode that shares same connector.

EDGE
4

Jenway™ 570 portable pH, mV meter supplied in carry case with epoxy combination pH electrode, ATC probe and batteries

570 portable pH, mV meter supplied in carry case with epoxy combination pH electrode, ATC probe and batteries. Is a general purpose pH, mV and temperature meter with an integrated rubber seal to ensure that it’s completely waterproof. This model displays either temperature compensated pH readings or electrode potential and temperature.

5

Jenway™ 3520 pH/temp meter with glass combination pH electrode

3520 pH/temp meter with glass combination pH electrode, stand and holder, ATC probe, BNC shorting plug, EU power supply offers research grade specifications with a comprehensive range of features and functions, making it suitable for the broadest range of research, general laboratory, QC and GLP based applications.

6

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.

EDGE
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
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
7

Brannan™ Soil Analysis pH Meter

8

Oakton™ pH 700 Benchtop Meter and Stand

Compact, with large dual-display LCD

9

Eutech™ EcoTestr pH Meter

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

EDGE
Battery Life 250 hr.
IP Rating IP67
Resolution (pH) 0.1
Measurement Modes pH
Battery Type A76/LR44 Alkaline
Accuracy (pH) ±0.1
10

Thermo Scientific™ Eutech™ pH 700 Meter

Economical, user-friendly and accurate, the Eutech pH 700 is your ideal choice for routine applications in laboratories, productions plants and schools.

Calibration Points Up to 5
Resolution (pH) 0.01
Temperature Range (Metric) 0°C to 100°C
Accuracy (pH) ±0.01
11

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. 

12

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. 

13

Fisherbrand™ accumet™ AET15 pH Tester

Large display screen - dual display LCD for enhanced readability, provides comprehensive meter information

Promotions are available
EDGE
14

Thermo Scientific™ Orion™ Versa Star Pro™ pH/LogR™ Benchtop Meter

Get premium performance and ultimate flexibility with our benchtop meter with pH/LogR module for pH, mV, ORP and LogR temperature technology.

Power Rating DC input: 9VDC, 1A
Memory Non-volatile memory preserves data log, calibration log and meter settings
Resolution (pH) 0.001, 0.01, 0.1
Languages English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes pH with LogR temperature, mV, relative mV or ORP with temperature
Range (pH) -2 to 20
Channels 4 - customizable with modules
Accuracy (pH) ±0.002
Power Supply Universal AC adapter (included)
Data Management Details Transfer single, range or all data points to printer or computer
Display Type LCD, Color Graphic with User-Customizable Options
Resolution (mV) 0.1mV
Data Points 2000 with Date and Time Stamp
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 point temperature offset calibration, 3 point LogR temperature calibration
Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 1.2 kg, modules add 0.2 kg each
Accuracy (mV) ±0.2 or ±0.05%, whichever is greater
Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Temperature (English) Operating 41°F to 113°F (ambient)
Isopotential Point 7.000pH (adjustable)
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Log Function Type Automatic with Auto-Read, Timed and Single Shot Measure Modes; Manual
Calibration pH with calibration editing option, relative mV, ORP, LogR temperature and temperature
Relative Humidity Range 5 to 85%, non-condensing
Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
IP Rating IP-54
Temperature Selection Manual or automatic with ATC temperature probe, automatic with pH electrode using LogR mode
Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB, RS-232
Range (Relative mV) ±2000.0mV
Backlight Option Yes
Temperature Range (English) 22.0°F to 221.0°F
Weight (English) 2.5 lb., modules add 0.5 lb. each
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5°C to +105°C
Methods 10 per channel
15

Fisherbrand™ Waterproof pH Pen

pH measurement is easier than ever with the Fisherbrand™ pH Pen. An economical range pocket-size tester designed for on-the-go pH measurements.

EDGE
16

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.

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
Outputs Recorder (±2000 mV)
Resolution (mV) 0.1 mV (±199.9 mV); 1 mV Beyond ±200 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
17

Thermo Scientific™ Orion Lab Star PH111 pH Bench Meters

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.

Memory Non-volatile
Resolution (pH) 0.001, 0.01, 0.1
Measurement Modes pH with mV and temperature or ORP with mV and temperature
Data Management Details Transfer single or all data points to printer or computer
Display Type LCD, 5 in. Backlit
Resolution (mV) 0.1 mV
Data Points 500 with Date and Time Stamp
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 point temperature offset calibration
Inputs BNC for pH or ORP, 8-pin MiniDIN for ATC
Accuracy (Temperature) ±0.3°C/±0.5°F
Weight (Metric) 700 grams
Accuracy (mV) ±0.2 or ±0.05%, whichever is greater
Warranty 3 year meter warranty
AC Adapter Universal 100-240 V 50/60 Hz power supply with twist-and-lock meter connection and interchangeable 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 and temperature
Calibration Points 1 (ORP)
Alarm Output Calibration reminder alarm
IP Rating IP54
Temperature Selection Manual or automatic with ATC temperature probe
Outputs Computer or printer (STARA-106)
Backlight Option Yes
Temperature Range (English) 23.0°F to 221.0°F
Calibration Points (pH) 1 to 5 points
Weight (English) 1.54 lb.
Resolution (Temperature) 0.1°C, 0.1°F
Temperature Range (Metric) -5.0°C to +105.0°C
Range (mV) ±2000.0
Range (ORP) ±2000.0 mV with ±250 mV offset
18

Fisherbrand™ accumet™ AB150 pH Benchtop Meters

Provide intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisherbrand accumet AB150 pH benchtop meters have large backlit display which offers great visibility in laboratory environments. The accumet AB150 pH meter is an industry favorite for when reliability and consistency in measurements matter.

Promotions are available
Accuracy (mV) ±0.2
Warranty 3 Years
Resolution (pH) 0.001, 0.01, 0.1
Range (pH) -2 to 20
Accuracy (pH)