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 (139)
Portable pH Meters (101)

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1 – 30 of 138 results
1

Fisherbrand™ accumet™ AP110 Portable pH Meter

Accurate measurements any time, anywhere

EDGE
2

Fisherbrand™ accumet™ XL150 Benchtop pH Meters

Provide advanced pH measurements with simple operation and offer a large, vivid color touch-screen display. Fisherbrand accumet XL benchtop meters offer advanced features with simple operation to help ensure your measurements are reliable and your laboratory processes are efficient.

EDGE
Length (Metric) 24.6 cm
Detection Range Multiple
Length (English) 9.68 in.
Resolution (pH) 0.001, 0.01, 0.1
Range (pH) -2 to 20
Width (Metric) 17.3 cm
Accuracy (pH) ±0.002
Accuracy Multiple
Display Type LCD
Voltage 100/240 V
Resolution (mV) 0.1 mV
Data Points 2000
Certifications/Compliance NIST, ISO, FDA, USDA, EPA
Inputs BNC, ATC
Accuracy (Temperature) ±0.3°C
Height (English) 3.89 in.
Weight (Metric) 1.13 kg
Height (Metric) 9.9 cm
Accuracy (mV) ±0.2
Warranty 3 Years
Dimensions (L x W x H) 24.6 x 17.3 x 9.9 cm (9.7 x 6.8 x 3.9 in.)
Outputs RS-232, USB-A, Mini-B USB, RJ45, stirrer port (2)
Frequency 50/60 Hz
Calibration Points (pH) Up to 6 pre-set or 5 custom
Weight (English) 2.5 lb.
Resolution (Temperature) 0.1°C
Range (mV) ±2000
Resolution Multiple
3

Fisherbrand™ accumet™ AP115 Portable pH Meter Kit

Accurate measurements any time, anywhere

EDGE
4

Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter

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

Promotions are available
EDGE
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 and Chinese; Portuguese and Korean Available with Software Update
Measurement Modes pH, mV, relative mV or ORP with temperature
Range (pH) -2 to 20
Channels 1
Accuracy (pH) ±0.002
Power Supply Universal AC adapter (included) or 4 AA batteries (sold separately)
Battery Life 800 hr.
Data Management Details Transfer single, range or all data points to printer or computer
Display Type LCD, Graphic with Backlight
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
Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.9 kg
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
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Log Function Type Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Calibration pH with calibration editing option, relative mV, ORP and temperature
Battery Type 4 x AA (sold separately)
Relative Humidity Range 5 to 85%, non-condensing
Calibration Points 1 to 5
Alarm Output High/low limit alarm, calibration due alarm
IP Rating IP-54
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Model Orion Star A211 pH/mV/RmV/ORP/Temperature Benchtop Meter
Outputs USB, RS-232
Range (Relative mV) ±2000.0mV
Backlight Option Yes, selectable
Temperature Range (English) 22.0°F to 221.0°F
Weight (English) 2 lb.
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5°C to +105°C
Methods 10 per channel with password protection
5

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

Get premium performance and ultimate flexibility with our benchtop pH meter for pH, mV, ORP and temperature measurements on customizable color display.

EDGE
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, 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
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 and temperature
Relative Humidity Range 5 to 85%, non-condensing
Calibration Points 1 to 6
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
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
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

Fisherbrand™ accumet™ AP115 Portable pH Meter

Accurate measurements any time, anywhere

8

Fisherbrand™ accumet™ AP110 Portable pH Meter Kit

Accurate measurements any time, anywhere

9

Fisherbrand™ Accumet™ Basic AB315 Benchtop Laboratory pH/mV Meter PROMO

Ideal for daily pH testing of your routine laboratory samples. The Accumet™ Basic AB315 Benchtop Laboratory pH/mV Meters provide the essential functions needed for common pH measurements, without complicated functions, at a budget-friendly price.

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
Accuracy (pH) ±0.01
Temperature Compensation Automatic or Manual
Data Management Details Printed or CSV Format
Display Type LCD, 5 in.
Voltage 100/240 V
Resolution (mV) 1 mV, 0.1 RmV
Data Points 500
Certifications/Compliance CE, TUV 3-1, FCC Class A
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 Included, 100-240 V Universal Power Adapter
Log Function Type Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Calibration pH, relative mV (RmV) and temperature
Calibration Points 1 to 5 (pH), 1 (relative mV), 1 (temperature)
Alarm Output Calibration due alarm, selectable 1 to 60 hours or off
IP Rating IP54
Model AB315
Outputs Communication port for computer or printer
Frequency 50/60 Hz
Range (Relative mV) ±2000.0 mV
Backlight Option Yes
Temperature Range (English) 23°F to 221°F
Calibration Points (pH) Selectable buffer sets: USA: 2.00, 4.01, 7.00, 10.01, 12.00; 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: 1.00, 3.00, 6.00, 8.00, 10.00, 13.00
Resolution (Temperature) 0.1°C (0.1°F)
Temperature Range (Metric) −5°C to +105°C
Range (mV) ±2000
10

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

Ideal for daily pH testing of your routine laboratory samples. The accumet basic AB315 benchtop meters provide the essential functions needed for common pH measurements, without complicated functions, at a budget-friendly price.

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
Accuracy (pH) ±0.01
Temperature Compensation Automatic or manual
Data Management Details Printed or CSV Format
Display Type LCD, 5 in.
Voltage 100/240 V
Resolution (mV) 1 mV, 0.1 RmV
Data Points 500
Certifications/Compliance CE, TUV 3-1, FCC Class A
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 Included, 100-240 V universal power adapter
Log Function Type Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Calibration pH, relative mV (RmV) and temperature
Calibration Points 1 to 5 (pH), 1 (relative mV), 1 (temperature)
Alarm Output Calibration due alarm, selectable 1 to 60 hours or off
IP Rating IP-54
Model AB315
Outputs Communication port for computer or printer
Frequency 50/60 Hz
Range (Relative mV) ±2000.0 mV
Backlight Option Yes
Temperature Range (English) 23°F to 221°F
Calibration Points (pH) Selectable buffer sets: USA: 2.00, 4.01, 7.00, 10.01, 12.00; 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: 1.00, 3.00, 6.00, 8.00, 10.00, 13.00
Resolution (Temperature) 0.1°C, 0.1°F
Temperature Range (Metric) -5°C to +105°C
Range (mV) ±2000
11

Thermo Scientific Chemicals Checker pH Meter with screw-type, epoxy-body electrode

 

12

Thermo Scientific™ Orion Star™ A111 Benchtop pH Meter

Take simple pH, mV and temperature measurements with our benchtop pH meter with easy operation for basic lab testing.

Memory Non-volatile memory preserves log and settings
Resolution (pH) 0.01, 0.1
Languages English
Measurement Modes pH, mV or relative mV with temperature
Range (pH) -2 to 16
Channels 1
Accuracy (pH) ±0.01
Power Supply Universal AC adapter (included) or 4 AA batteries (sold separately)
Battery Life 2000 hr.
Data Management Details Internal Data Point Memory
Display Type LCD
Resolution (mV) 0.1mV
Data Points 50
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 point temperature offset calibration
Inputs BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.9 kg
Accuracy (mV) ±0.2 or ±0.05%, whichever is greater
Stability Smart Stability and Smart Averaging
Warranty 3 Year Meter Warranty
Temperature (English) Operating 41°F to 113°F (ambient)
Isopotential Point 7.00pH
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Log Function Type Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Node
Calibration pH, relative mV (RmV) and temperature
Battery Type 4 x AA (sold separately)
Relative Humidity Range 5 to 85%, non-condensing
Dimensions (L x W x H) 24 cm x 18 cm x 11 cm (9.5 in. x 7.1 in. x 4.3 in.)
IP Rating IP-54
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Simple with highlighted measure key, scroll and shortcut keys
Model Orion Star A111 Benchtop pH/mV/RmV/Temperature Meter
Outputs None
Range (Relative mV) ±1999.9mV
Temperature Range (English) 22.0°F to 221.0°F
Weight (English) 2 lb.
Resolution (Temperature) 0.1°C, 0.1°F
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5°C to +105°C
Range (mV) ±1600.0
13

Thermo Scientific™ Orion Star™ A211 pH Benchtop Meter Promotion

Reliably measure pH, mV, ORP and temperature with the Thermo Scientific™ Orion™ Star A211 pH Benchtop Meter for advanced lab analysis and printer or computer interfacing.

Promotions are available
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

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.

16

Thermo Scientific™ Orion™ Star A211 pH Benchtop Meter Kit PROMO

Reliably measure pH, mV, ORP and temperature with the Thermo Scientific™ Orion™ Star A211 pH Benchtop Meter for advanced lab analysis and printer or computer interfacing

Promotions are available
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 and Chinese; Portuguese and Korean Available with Software Update
Measurement Modes pH, mV, relative mV or ORP with temperature
Range (pH) -2.000 to 20.000
Channels 1
Accuracy (pH) ±0.002
Power Supply Universal AC adapter (included) or 4 AA batteries (sold separately)
Battery Life 800 hr.
Data Management Details Transfer single, range or all data points to printer or computer
Display Type LCD, Graphic with Backlight
Resolution (mV) 0.1 mV
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
Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.9 kg
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 pH
AC Adapter Universal 50 to 60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Log Function Type Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Calibration pH with calibration editing option, relative mV, ORP and temperature
Battery Type 4 x AA (sold separately)
Relative Humidity Range 5 to 85 %, non-condensing
Calibration Points 1 to 5
Alarm Output High/low limit alarm, calibration due alarm
Dimensions (L x W x H) 24 x 18 x 11 cm (9.5 x 7.1 x 4.3 in.)
IP Rating IP-54
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Model Orion Star A211 pH/mV/RmV/ORP/Temperature Benchtop Meter
Outputs USB, RS-232
Range (Relative mV) ±2000.0 mV
Backlight Option Yes, selectable
Temperature Range (English) 22.0°F to 221.0°F
Weight (English) 2 lb.
Resolution (Temperature) 0.1°C, 0.1°F
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5.0°C to +105.0°C
Range (mV) ±2000
Methods 10 per channel with password protection
Range (ORP) ±2000.0 mV
17

OHAUS™ Starter pH Pen Meters

Convenient pH testing. OHAUS Starter pH Pen Meters offer a convenient way to measure pH, or the relative acidity or alkalinity of a sample at a given temperature. The pH pen meters can be completely operated with just one hand, freeing up your other hand to handle samples.

Type Portable pH Meter
Weight (English) 0.24 lb.
Range (pH) 0 to 14
For Use With (Application) Measuring pH, or the relative acidity or alkalinity of a sample at a given temperature
Battery Type 4 x AG13 1.5 V Micro Alkaline
Accuracy (pH) ±0.1
Weight (Metric) 110 g
18

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
19

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
Outputs USB, RS-232, Ethernet
Resolution (mV) 0.1/1mV
Data Points 20000
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
20

Thermo Scientific Chemicals Waterproof pH Meter

 

21

Thermo Scientific™ Orion™ VERSA STAR™ pH Benchtop Meter Promotion

high accuracy, premium performance and ultimate flexibility

Promotions are available
22

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!

23

Thermo Scientific™ Orion Star™ A121 Portable pH Meter

Take simple pH and temperature measurements with our portable pH meter with easy operation for basic field testing.