accessibility menu, dialog, popup

UserName

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 (52)
Portable pH Meters (37)

Filtered Search Results

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

Narrow Results

Narrow Results

category

special offers

  • (24)
  • (20)

brands

  • (11)
  • (3)
  • (7)
  • (2)
  • (20)
  • (3)
  • (12)
  • (3)
  • (34)
  • (1)

special interests

  • (2)
  • (1)

Display Type

  • (6)
  • (10)
  • (9)
  • (1)
  • (1)
  • (1)
  • (1)
Show all

Temperature Range (Metric)

  • (1)
  • (2)
  • (16)
  • (2)
  • (1)
  • (4)
  • (23)
Show all

Range (pH)

  • (4)
  • (14)
  • (11)
  • (34)
  • (1)
  • (18)

Calibration

  • (11)
  • (6)
  • (12)
  • (13)
  • (2)
  • (3)
  • (1)
Show all

Resolution (pH)

  • (2)
  • (26)
  • (23)
  • (15)
  • (4)
  • (7)
  • (3)

Calibration Points

  • (4)
  • (5)
  • (2)
  • (9)
  • (2)
  • (7)
  • (6)
Show all

Backlight Option

  • (4)
  • (16)
  • (47)
  • (3)

Measurement Modes

  • (8)
  • (8)
  • (3)
  • (9)
  • (12)
  • (9)
  • (2)
Show all

Range (mV)

  • (2)
  • (4)
  • (6)
  • (6)
  • (13)
  • (1)
  • (6)
Show all

Data Points

  • (7)
  • (4)
  • (3)
  • (6)
  • (9)
  • (6)
  • (6)
Show all
Keyword Search:
1 – 15 of 40 results
1
Promotions Available

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.

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, 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
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
2

Fisherbrand™ 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.

7
Promotions Available

Mettler Toledo™ FiveEasy™ Plus FP20 pH/mV Meters

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

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
8
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
9
Promotions Available

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.

Memory 2000 Standard Measurements
Log Function Type Automatic, Manual
Resolution (pH) 0.001, 0.01, 0.1
Range (pH) -2 to 20
Accuracy (pH) 0.002
Calibration Points Up to 5
Dimensions (L x W x H) 195 x 205 x 65 mm
Data Management Details PC, Printer, USB Stick
Display Type Color TFT
IP Rating IP54
Data Points 2000
Backlight Option Yes
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
10

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
11

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
12

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
13

Fisherbrand™ accumet™ AR415 pH Meter BioBasic Kit

Designed to deliver precise and reliable electrochemistry testing, the accumet AR415 offers enhanced performance in a streamlined design. Ideal for laboratories requiring dependable measurement capabilities.

14

Fisherbrand™ accumet™ AR415 pH Bench Meter

Designed to deliver precise and reliable electrochemistry testing, the accumet AR415 offers enhanced performance in a streamlined design. Ideal for laboratories requiring dependable measurement capabilities.

15

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.

Memory Non-volatile memory preserves log and settings
Resolution (pH) 0.01, 0.1
Languages English
Measurement Modes pH,mV,Relative mV with Temperature
Range (pH) -2 to 16
Channels 1
Accuracy (pH) ±0.01
Power Supply 4 AA batteries (included) or universal AC adapter (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) 0.5 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 (sold separately, Cat. No. 1010003)
Log Function Type Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode
Calibration pH, relative mV (RmV) and temperature
Battery Type 4 x AA
Relative Humidity Range 5 to 85%, non-condensing
Calibration Points 1 to 3
Dimensions (L x W x H) 24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.)
IP Rating IP67
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Simple with highlighted measure key, scroll and shortcut keys
Model Orion Star A121 Portable 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