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 (103)
Portable pH Meters (79)

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

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

category

special offers

  • (1)

brands

  • (1)
  • (3)
  • (34)
  • (29)
  • (3)
  • (1)
  • (1)
  • (29)
  • (1)
  • (4)
  • (7)
  • (9)
  • (2)
  • (26)
  • (26)
  • (1)
  • (5)

special programs

  • (18)
  • (9)
  • (19)

Range (pH)

  • (5)
  • (1)
  • (34)
  • (9)
  • (1)
  • (58)
  • (1)
Show all

Temperature Range (Metric)

  • (1)
  • (1)
  • (11)
  • (1)
  • (6)
  • (25)
  • (2)
Show all

Resolution (pH)

  • (1)
  • (4)
  • (6)
  • (51)
  • (61)
  • (15)
  • (7)
Show all

Display Type

  • (3)
  • (1)
  • (10)
  • (1)
  • (9)
  • (6)
  • (1)
Show all

Calibration Points

  • (5)
  • (5)
  • (1)
  • (2)
  • (1)
  • (1)
  • (2)
Show all

Range (mV)

  • (5)
  • (1)
  • (6)
  • (9)
  • (4)
  • (2)
  • (21)
Show all

Calibration

  • (2)
  • (14)
  • (2)
  • (2)
  • (6)
  • (13)
  • (4)
Show all

Data Points

  • (7)
  • (1)
  • (4)
  • (2)
  • (3)
  • (6)
  • (17)
Show all

Measurement Modes

  • (4)
  • (3)
  • (16)
  • (18)
  • (16)
  • (6)
  • (4)
Show all

Log Function Type

  • (5)
  • (6)
  • (9)
  • (20)
  • (6)
  • (17)
16 – 30 of 110 results
16

Hanna Instruments™ Waterproof Portable pH Meter

Features a large, dual level LCD display for easy viewing of the pH, temperature, and status indicators. Hanna Instruments™ Waterproof Portable pH Meter offers a simplified two-button operation. Compact, waterproof, and portable.

17

Hanna Instruments™ Checker™ pH Tester and Replacement Part

For use with virtually any electrode that shares same connector.

EDGE
18

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.

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 Sets 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 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
19
Promotions Available

Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter
BIOPHARMA

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

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,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 IP54
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.
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
Methods 10 per channel with password protection
Range (ORP) ±2000.0mV
20

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
Measurement Modes pH
Range (pH) -1 to 15
Calibration Automatic
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 IP66/67
Diameter (Metric) 3.8 cm
Backlight Option None
Certifications/Compliance NIST
Resolution (Temperature) 0.1°C
Temperature (Metric) Operating 0°C to 50°C
Accuracy (Temperature) ±1°C
Resolution 0.1pH
21

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
22

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.

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
Temperature Compensation Automatic/Manual (0°C to 100°C)
Model AE6
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
23

Thermo Scientific™ Eutech™ pH 2700 pH Meter

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

Accuracy (mV) ±0.2
Log Function Type Automatic Data Logging
Data Points 500 with Date and Time Stamp
Resolution (pH) 0.001, 0.01, 0.1
Range (pH) -2 to 20
Temperature Range (Metric) 0°C to 100°C
Accuracy (pH) ±0.002
24

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
25

Hanna Instruments™ Portable Waterproof pH/EC/TDS Meters

Designed to measure pH, conductivity (EC), total dissolved solids (TDS), and temperature with a single probe. Hanna Instruments™ Portable Waterproof pH/EC/TDS Meters are available for high range and low range measurement.

Detection Range 0 to 14 pH
Resolution (pH) 0.01
Range (pH) 0 to 14
Accuracy (pH) ±0.01
Includes HI 1288 probe, batteries, 1m cable, rugged carrying case and instructions
Battery Life 500 hr.
Temperature Compensation pH: automatic; EC/TDS: automatic with β adjustable from 0.0 to 2.4%/°C
Display Type LCD
Accuracy (Conductivity) ±2% F.S.
Certifications/Compliance IP 67
Probe Type HI1288 PVC body, pre-amplified multiparameter probe with internal temperature sensor, DIN connector and 1m cable
Accuracy (Temperature) ±0.5°C/±1°F
Weight (Metric) 205 g
Warranty 2 Years (6 Months Probe)
Material PVC
Calibration Automatic
Battery Type 1.5V (3) AAA, Auto-Off after 8 min. non-use
Type Portable pH/EC/TDS/Temperature Meter
Dimensions (L x W x H) 150 x 80 x 36 mm (5.9 x 3.1 x 1.4 in.)
Accuracy (TDS) ±2% full scale
Keypad Two-button
Temperature Range (English) 32.0°F to 140.0°F
Weight (English) 7.2 oz.
Resolution (Temperature) 0.1°C/F
Temperature Range (Metric) 0°C to 60.0°C
Resolution TDS Conversion Factor: 0.45 to 1.00
26

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
27

Testo™ pH/Temperature Meter 206-pH1 Starter Kit

Everything needed to start measuring the temperature and pH value in liquids such as drinking or heating water.

28

Brannan™ Soil Analysis pH Meter

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

EDGE
29

Thermo Scientific™ Orion Star™ A121 Portable pH Meter
BIOPHARMA

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
30

Thermo Scientific™ Orion Star™ A221 Portable pH Meter
BIOPHARMA

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