pH Meters
pH Meters
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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™ 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™ 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.
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 |
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 |
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 |
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Memory | 200 measurements, current calibration |
Resolution (pH) | 0.01, 0.1 |
Range (pH) | -2.00 to 16.00 |
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 |
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 |
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.
Length (Metric) | 24.6 cm |
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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 |
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.
Memory | Non-volatile |
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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 |
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 |
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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 | 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 Node |
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 | IP-67 |
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 |
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 |
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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 |
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 |
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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 |