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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 (93)
Portable pH Meters (85)

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1 – 15 of 112 results
1

Hanna Instruments™ Checker™ pH Tester and Replacement Part

For use with virtually any electrode that shares same connector.

EDGE
2

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. 

Promotions are available
3

Brannan™ Soil Analysis pH Meter

Instantly tells you how acid or alkaline yo soil is and checks which plants suit.

4

Fisherbrand™ accumet™ Basic AB315 Benchtop Laboratory pH/mV Meter

Ideal for daily pH testing of your routine laboratory samples, the accumet™ Basic AB315 Benchtop Meter provides essential functions needed for common pH measurements without complicated functions, all at a budget-friendly price.

Promotions are available
EDGE
Memory Non-volatile
Resolution (pH) 0.01, 0.1
Measurement Modes pH with mV and Temperature,Relative mV with mV and Temperature
Range (pH) -2 to 18
Channels 1 Channel
Accuracy (pH) ±0.01
Temperature Compensation Automatic, Manual
Data Management Details Printed or CSV Format
Display Type 5 in. LCD
Voltage 100/240 V
Resolution (mV) 1 mV, 0.1 RmV
Data Points 500 Points
Inputs BNC, ATC
Accuracy (Temperature) ±0.3°C (±0.5°F)
Accuracy (mV) ±0.2 or ±0.05%, Whichever is Greater
Stability Indicator Icons
Warranty 3 Years
AC Adapter Universal Power Adapter
Log Function Type Automatic, Manual
Calibration pH, Relative mV, Temperature
Calibration Points 1 to 5 (pH), 1 (Relative mV), 1 (Temperature)
IP Rating IP54
Model AB315
Outputs Port for Computer or Printer
Frequency 50/60 Hz
Range (Relative mV) ±2000 mV
Backlight Option Yes
Temperature Range (English) 23°F to 221°F
Calibration Points (pH) USA: 2, 4.01, 7, 10.01, 12; NIST: 1.68, 4.01, 6.87, 9.18, 12.46; DIN: 1.09, 3.06, 4.65, 6.79, 9.23, 12.75; FSCI: 1, 3, 6, 8, 10, 13
Resolution (Temperature) 0.1°C (0.1°F)
Temperature Range (Metric) -5°C to +105°C
Range (mV) ±2000 mV
5

Fisherbrand™ accumet™ AET15 pH Tester

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

Promotions are available
6

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
7

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. 

Promotions are available
8

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.

Promotions are available
EDGE
Battery Life 250 hr.
IP Rating IP67
Resolution (pH) 0.1
Measurement Modes pH
Battery Type A76/LR44 Alkaline
Accuracy (pH) ±0.1
9

Thermo Scientific™ Orion Lab Star PH111 Bench pH Meters

Orion Lab Star PH111 benchtop pH 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.

Promotions are available
Memory Non-volatile
Resolution (pH) 0.001, 0.01, 0.1
Measurement Modes pH with mV and Temperature,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
10

Fisherbrand™ accumet™ AE6 Portable pH/ORP Meter

The AE6 Portable pH Meters are ideal for quick, accurate conductivity or TDS checks in laboratories, field and schools.

Promotions are available
EDGE
Accuracy (mV) ±1
Resolution (pH) 0.01
Range (pH) 0 to 14
Calibration 1.68, 4.01, 7, 10.01, 12.45
For Use With (Application) Water Quality Testing
Battery Type AAA
Accuracy (pH) ±0.01
Calibration Points 1 to 5
Type Portable Meter
Temperature Compensation Automatic/Manual (0°C to 100°C)
Resolution (mV) 1 mV
Resolution (Temperature) 0.1°C
Temperature Range (Metric) 0°C to 100°C
Range (mV) -1000 to +1000 mV
Accuracy (Temperature) ±0.5°C
11

Oakton™ Waterproof Big Display pHTestr™ 30

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

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
Range (pH) -1 to 15
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 IP-67
Diameter (Metric) 3.8 cm
Certifications/Compliance USA, NIST
Resolution (Temperature) 0.1°C
Temperature (Metric) Operating 0°C to 50°C
Accuracy (Temperature) ±1°C
Resolution 0.1pH
12

Thermo Scientific™ Eutech PH 1710 pH Bench Meter

Eutech PH 1710 pH bench meters offer a basic, cost-effective testing option for measuring pH or relative mV (RmV) with temperature. Each Eutech 1710 pH meter features a large display with backlight, easy operation and meter-integrated electrode holder.

Promotions are available
Memory Non-volatile
Resolution (pH) 0.1, 0.01 pH
Measurement Modes pH with mV and Temperature,Relative mV with mV and Temperature
Accuracy (pH) ±0.01 pH ± 1 LSD
Includes Meter with electrode stand, PC cable, universal power adapter
Data Management Details Transfer single data point or all data points to computer or printer
Display Type 5 in. backlit LCD
Resolution (mV) 0.1 mV
Data Points 500 data sets with time and date
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 point temperature offset calibration
Inputs BNC for pH or RmV and phono plug for ATC
Accuracy (Temperature) ±0.3°C
Weight (Metric) 700 g
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, RmV and temperature
Calibration Points 1 point RmV
Alarm Output Calibration reminder alarm
Dimensions (L x W x H) 198.3 x 155.2 x 61.7 mm (7.81 x 6.11 x 2.43 in.)
IP Rating IP54
Temperature Selection Manual or automatic with ATC probe
Outputs Computer or printer (STARA-106)
Backlight Option Yes
Calibration Points (pH) 1 to 5 points
Weight (English) 1.54 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -5.0°C to +105.0°C
Range (mV) ±2000.0 mV
Range (ORP) ±2000.0 mV with ±250 mV offset
13

METTLER TOLEDO™ SevenExcellence™ S400 Benchtop pH Meter

The S400 meter measures pH, redox/ORP, and ISFET. It can be expanded with additional modules to measure conductivity, resistivity, DO, BOD, ISE, salinity, and TDS. It has an intuitive touchscreen, the ability to create measurement shortcuts, and can export data to a printer, Excel, or LIMS system.

Promotions are available
Accuracy (mV) ±0.1
Resolution (Conductivity) 0.001 to 1
Range (Conductivity) 0.001μS/cm to 2000mS/cm
Resolution (pH) 0.001, 0.01, 0.1
Range (pH) -2 to 20
Accuracy (pH) ±0.002
Display Type TFT
Resolution (mV) 0.1/1mV
Outputs USB, RS-232, Ethernet
Data Points 20,000
Calibration Points (pH) Max. 5 points, 8 pre-defined and 20 user-defined buffer group
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -30°C to +130°C
Range (mV) -2000 to 2000
Accuracy (Temperature) ±0.1°C
Calibration Points (Conductivity) 13 pre-defined and 20 user-defined standard
14

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.

Promotions are available
Memory 2000 Standard Measurements
Resolution (pH) 0.001, 0.01, 0.1
Accuracy (pH) 0.002
Dimensions (L x W x H) 195 x 205 x 65 mm
Data Management Details PC, Printer, USB Stick
Display Type TFT, 7 in. Color
IP Rating IP54
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
15

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.

Promotions are available