pH Meters
pH Meters
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Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
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Supports traceability with guaranteed access to certificates and proactive change notifications.
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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 |
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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 | 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. |
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 |
Hanna Instruments™ Checker™ pH Tester and Replacement Part
For use with virtually any electrode that shares same connector.
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 |
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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 |
Mettler Toledo™ pH Meter SevenDirect SD20
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
Learn More About the Greener Choice Program
This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
Learn More About the Greener Choice Program
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 |
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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 |
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 |
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Electrical Requirements | AC/DC 9 V Adapter (110/220 VAC, 50/60 Hz) |
Memory | 100 Data Sets |
Resolution (mV) | 0.1 mV (±199.9 mV); 1 mV Beyond ±200 mV |
Outputs | Recorder (±2000 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 |
Mettler Toledo™ FiveEasy™ F20 pH/mV Meters
Compact, benchtop meter provides high quality pH/mV measurements with simple click of a button
Accuracy (mV) | ±1 |
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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 |
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!
Oakton™ pH 700 Benchtop Meter and Stand
Compact, with large dual-display LCD
Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop pH Meter
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Get premium performance and ultimate flexibility with our benchtop pH meter for pH, mV, ORP and temperature measurements on customizable color display.
Power Rating | DC input: 9VDC, 1A |
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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,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 |
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 |
Range (ORP) | ±2000.0mV |
Thermo Scientific™ Orion™ Versa Star Pro™ pH/LogR™ Benchtop Meter
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
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 |
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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,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 |
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 |
Range (ORP) | ±2000.0mV |
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 |
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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 | 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 |
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.
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.
Accuracy (mV) | ±0.1 |
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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 |
WTW™ ProfiLine™ pH 3310 Portable pH Meter
Portable, waterproof and robust meters for the determination of the parameters pH, ORP, dissolved oxygen, conductivity and BSB
Memory | Manual 500/5000 automatic |
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Resolution (pH) | ±0.005 |
Range (pH) | -2 to 19.999 |
For Use With (Application) | For professional field measurements requiring documentation and data transfer |
Width (Metric) | 80 mm |
Accuracy (pH) | ±0.1, ±0.01, ±0.005 |
Power Supply | 4 x 1.5V AA or 4 x 1.2V NiMH rechargeable |
Battery Life | 1000 hr. |
Display Type | LCD |
Resolution (mV) | ±0.3, ±1mV |
Certifications/Compliance | CE |
Accuracy (Temperature) | ±0.1°C |
Weight (Metric) | 300 g |
Height (Metric) | 180 mm |
Accuracy (mV) | ±0.3, ±1 |
Warranty | 3 Years |
Battery Type | AA, NiMH |
Calibration Points | 1, 2, 3, 4, 5 Calibration WTW Technical Buffer, DIN/NIST buffers plus 20 additional buffer set |
Type | Portable pH meter |
Dimensions (L x W x H) | 80 W x 180 H mm |
IP Rating | IP-66/67 |
Depth (Metric) | 55 mm |
Temperature (Metric) Operating | -5°C to +105°C |
Range (mV) | -1200 to 1200, -2500 to 2500 |
Dimensions (L x W) | 80 W mm |
Resolution | All values ±1 digit |
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.