pH and Electrochemistry

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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.

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Specifications

Memory	Non-volatile
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

Thermo Scientific™ Orion™ Versa Star Pro™ pH/Conductivity Multiparameter Benchtop Meter

Get premium performance and flexibility with our benchtop meter with pH and conductivity modules for simultaneous pH, conductivity, and temperature.

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Specifications

Power Rating	DC input: 9VDC, 1A
Salinity Measurement Modes	Practical salinity (psu) or natural sea water (ppt)
Range (Resistivity)	2 ohm to 100.0 meg-ohm
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes	pH,mV,Relative mV,TDS,ORP with Temperature,Salinity,Conductivity,Resistivity with Temperature
Power Supply	Universal AC adapter (included)
Data Management Details	Transfer single, range or all data points to printer or computer
Display Type	Color graphic LCD with user-customizable options
Resolution (mV)	0.1mV
Data Points	2000 with Date and Time Stamp
Temperature Probe Calibration	1 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Accuracy (mV)	±0.2 mV or ±0.05% of reading whichever is greater
Warranty	3 year meter and module warranty
Temperature Accuracy	±0.1°C
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Resolution (Conductivity)	0.001 μS minimum, auto ranging up to 4 significant digits
Range (Conductivity)	0.001 μS/cm to 3000 mS/cm
Log Function Type	Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with
Relative Humidity Range	5 to 85 %, non-condensing
Dimensions (L x W x H)	28cm x 24cm x 10cm (11 in. x 9.5 in. x 3.9 in.), modules add ≤ 2cm (0.8 in.) L & H
Accuracy (TDS)	0.5% of reading ±1 digit
Temperature Selection	Manual or automatic with ATC temperature probe
Keypad	Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs	USB (2), RS232
Temperature Range (English)	22.0°F to 221.0° F
Range (Relative mV)	±2000.0 mV
Calibration Points (pH)	1 to 6
Backlight Option	Yes
Range (mV)	±2000.0 mV
Range (ORP)	±2000.0 mV
Methods	10 per channel
Cell Constant	0.001 to 199.9cm-1
Temperature (Metric) Reference	5, 10, 15, 20, 25°C
Range (pH)	-2 to 20
TDS Factor Range	Linear (0.02 to 9.99)
Channels	4 (Customizable with modules)
Accuracy (pH)	±0.002
Range (Salinity)	0.06 to 80.00 psu, 0.05 to 42.00 ppt
Temperature Compensation	Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
Accuracy (Salinity)	0.5% of reading ±1 digit
Resolution (Salinity)	0.01 psu or 0.01 ppt minimum, auto ranging
Accuracy (Conductivity)	0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
Inputs	BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), 8 pin MiniDIN (conductivity sensor with built-in temperature), two stirrer inputs (stirrer probe)
Weight (Metric)	1.2 kg, modules add 0.2 kg each
Calibration Points (Conductivity)	Up to 6
Temperature (English) Operating	41°F to 113°F (ambient)
Resolution (Resistivity)	1 ohm or 0.1 meg-ohm, auto ranging
Isopotential Point	7.000pH (adjustable)
Accuracy (Resistivity)	0.5% of reading ±1 digit
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Range (TDS)	0.001 ppm to 200.0 ppt
Resolution (TDS)	0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration	pH with calibration editing option, relative mV (RmV), ORP, conductivity with calibration editing op
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output	Set point alarm, high/low limit alarm, calibration due alarm
IP Rating	IP54
Weight (English)	2.5 lb., modules add 0.5 lb. each
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5.0°C to +105.0°C
Temperature Resolution	0.1°C, 0.1°F

Fisherbrand™ accumet™ Semimicro Glass Combination pH Electrode, Double Junction

Refillable glass pH electrodes. Ideal for use with small volume tubes, plates, cuvets, cups and other vessels.

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Fisherbrand™ Traceable™ Salinity Meter Pen

Easy-to-use and splash-proof salinity meter designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

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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.

Pricing & Availability
Specifications

Memory	Non-volatile
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

Thermo Scientific™ Expert pH Pocket Tester

Perform on-the-go, fuss-free measurements for applications such as water treatment, environmental monitoring, education, hydroponics, agriculture, aquaculture, food & beverage and many more!

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METTLER TOLEDO™ Micro pH Electrodes

pH electrodes designed for small sample volumes or for measuring in small containers.

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Specifications

Type	Combination Electrode
Response Time	<20 sec.

METTLER TOLEDO™ InLab™ NMR pH Electrode

A pH electrode featuring a slim shaft diameter that allows for measurements in NMR tubes or of very small sample volumes.

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Fisherbrand™ accumet™ Basic AB330 Benchtop Laboratory Conductivity Meter

Ideal for daily conductivity, TDS and salinity testing of your routine laboratory samples, the accumet™ Basic AB330 Benchtop Meter provides essential functions needed without complicated functions at a budget-friendly price.

Pricing & Availability
Specifications

Memory	Non-volatile
Cell Constant	0.1 to 10
Measurement Modes	Conductivity with Temperature,TDS with Temperature,Salinity with Temperature
Temperature (Metric) Reference	15, 20, 25 or 30°C
Temperature Coefficient	0 to 10 %/°C
TDS Factor Range	0.4 to 1
Range (Salinity)	0 to 80 ppt
Data Management Details	Printed or CSV Format
Temperature Compensation	Linear
Display Type	5 in. LCD
Accuracy (Salinity)	±1% Full Scale
Resolution (Salinity)	0.01, 0.1 ppt
Voltage	100/240 V
Accuracy (Conductivity)	±1% Full Scale
Data Points	500
Inputs	Conductivity, ATC
Accuracy (Temperature)	±0.3°C (±0.5°F)
Calibration Points (Conductivity)	84 μS, 1413 μS, 12.88 mS, 111.8 mS
Stability	Indicator Icons
Warranty	3 Years
Resolution (Conductivity)	0.01, 0.1, 1 μS; 0.01, 0.1 mS
Range (Conductivity)	0 μS to 500 mS
AC Adapter	Universal Power Adapter
Resolution (TDS)	0.01, 0.1, 1 ppm; 0.01, 0.1 ppt
Calibration	Conductivity, TDS, Salinity, Temperature
Calibration Points	1 to 5 (Conductivity), 1 to 5 (TDS), 1 (Salinity), 1 (Temperature)
Accuracy (TDS)	±1% Full Scale
IP Rating	IP54
Data Logging	Automatic with Auto-read and Timed Modes, Manual with Continuous Mode
Model	AB330
Outputs	Port for Computer or Printer
Frequency	50/60 Hz
Backlight Option	Yes
Resolution (Temperature)	0.1°C (0.1°F)
Temperature Range (Metric)	-5°C to +105°C

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Mettler Toledo™ pH/Conductivity/DO Meter NineFocus™ NF2340™

High-performance, multiparameter benchtop meter for compelling precision in pH, conductivity, ion concentration, redox, and dissolved oxygen determinations.

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Fisherbrand™ accumet™ AR415 pH Meter 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.

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Fisherbrand™ accumet™ AR450 pH/ion/Conductivity Meter with Stand

Designed to deliver precise and reliable electrochemistry testing, the accumet AR450 offers enhanced performance in a streamlined design. Ideal for laboratories requiring dependable measurement capabilities.

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Fisherbrand™ accumet™ AP110 Portable pH Meter

Accurate measurements any time, anywhere

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Thermo Scientific™ Orion™ Pro Star PC215 pH/ion and Conductivity Bench Meter with Stand

Designed to provide accurate and reliable pH, ORP, ion concentration, conductivity, TDS, salinity, resistivity and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PC215 bench meter is well suited for laboratories that desire a modern meter with advance performance.

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Specifications

Salinity Measurement Modes	Natural Seawater (ppt), Practical Salinity Units (PSU), or % NaCl
Range (Resistivity)	1.0 Ω to 100.0 MΩ
Memory	Non-volatile
Advanced ISE Functions	Single known addition, single known subtraction, double known addition, double known subtraction, analyte addition and analyte subtraction
Languages	Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish
Resolution (ISE)	0.0001 minimum, 1 to 5 digits
Display Type	7-in. High-resolution Color Graphic LCD
Resolution (mV)	0.1 mV
Resolution (Ion)	0.0001 minimum, 1 to 5 digits
Data Points	10,000 with Date and Time Stamp
Temperature Probe Calibration	1 or 2 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Accuracy (mV)	±0.2 mV or ±0.05% of the reading, whichever is greater
Accuracy (ISE)	±0.2 mV or ±0.05% of the reading, whichever is greater
Warranty	2 year meter warranty
Temperature Accuracy	±0.3°C, ±0.5°F
Calibration Points (ISE)	Up to 5
Resolution (Conductivity)	0.001 μS/cm minimum, auto-ranging, up to 4 digits
Range (Conductivity)	0.010 μS/cm to 3000 mS/cm
Log Function Type	Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Dimensions (L x W x H)	218.9 x 153.2 x 91.33 mm; 8.62 x 6.03 x 3.60 in.
Accuracy (TDS)	±0.5% reading
Temperature Selection	Automatic with ATC temperature sensor, ambient or manual
Keypad	Capacitive touchscreen user interface
Outputs	USB flash drive, computer or printer (STARA-106)
Temperature Range (English)	-22.0°F to +266.0°F
Range (Relative mV)	-2000 to 2000 mV
Calibration Points (pH)	1 to 5 points
Backlight Option	Yes
Range (mV)	-2000 to 2000 mV
Range (ORP)	-2000 to 2000 mV
Methods	10 per channel (20 total)
Cell Constant	0.100 cm-1, 0.475 cm-1, 0.550 cm-1, 1.000 cm-1, 10.00 cm-1 or user-defined from 0.001 to 199.9 cm-1
Temperature (Metric) Reference	5, 10, 15, 20, 25 or 30°C
Range (pH)	-2 to 20
TDS Factor Range	Linear (0.01 to 10.00), ISO/EN 27888, 442, NaCl
Channels	2
Accuracy (pH)	±0.002 pH
Range (ISE)	0.0001 to 19999
Range (Salinity)	0.010 to 80.00 ppt; 0.01 to 42.00 PSU; or 0.01 to 400.0% NaCl
Temperature Compensation	Linear (0.00 to 10.00 %/°C), nLFn (non-linear natural water), nLFu (non-linear ultra-pure water), EP/USP or off
Accuracy (Salinity)	±0.5% reading
Resolution (Salinity)	0.001 ppt minimum; 0.01 PSU minimum; or 0.01% NaCl minimum, auto-ranging
Accuracy (Conductivity)	±0.5% reading
Inputs	Channel 1: BNC for pH, ORP or ISE, 8-pin MiniDIN for ATC, pin-tip for reference; Channel 2: 8-pin MiniDIN for conductivity with ATC
Weight (Metric)	1.00 kg
Resolution (ORP)	0.1 mV
Calibration Points (Conductivity)	1 to 5 points
Resolution (Resistivity)	0.1 Ω minimum, auto-ranging
Isopotential Point	7.000 pH; 1.000 ion concentration
Accuracy (Resistivity)	±0.5% reading
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
Range (TDS)	0.010 ppm to 500.0 ppt (TDS factor of 1.00); or 0.010 mg/L to 500.0 g/L (TDS factor of 1.00)
Resolution (TDS)	0.001 ppm or mg/L minimum, auto-ranging, up to 4 digits
Calibration	pH, ORP, Ion Concentration, Conductivity, TDS, Salinity, Temperature
Accuracy (ORP)	±0.2 mV or ±0.05% of the reading, whichever is greater
Calibration Points	1 to 5 (pH), 1 (ORP), 1 to 5 (ion), 1 to 5 (conductivity), 1 to 5 (TDS), 1 (salinity), 1 to 2 (temperature)
Alarm Output	Calibration reminder alarm, high and low limit alarm per parameter
IP Rating	IP54
Weight (English)	2.20 lbs.
Range (Ion)	0.0001 to 19999
Temperature Range (Metric)	-30.0°C to +130.0°C
Temperature Resolution	0.1°C, 0.1°F

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Mettler Toledo™ FiveEasy™ Plus FP20 pH/mV Meters

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

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Specifications

Accuracy (mV)	±1
Memory	200 measurements, current calibration
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

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METTLER TOLEDO™ Micro pH Electrodes GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

METTLER TOLEDO™ InLab™ NMR pH Electrode GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

METTLER TOLEDO™ Micro pH Electrodes

METTLER TOLEDO™ InLab™ NMR pH Electrode