Electrochemistry Meters

Benchtop or portable instruments and electrodes used to measure various parameters of water and solutions; these include pH, temperature, resistivity, conductivity, ion-specific testing (chlorine and ISE), dissolved oxygen/BOD, ORP, and other water activity measures.

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Thermo Scientific™ Elite pH Spear Pocket Testers and Replacement Sensors

Flexible on-the-go pH testing using durable Elite spear pocket testers with replaceable sensors for a variety of applications include food, beverage, agriculture and more!

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Specifications

Temperature Accuracy	Manual input
Temperature Range (English)	32.0°F to 140.0°F
Measurement Modes	pH
Range (pH)	-1 to 15
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	0.0°C to 60.0°C
Accuracy (pH)	±0.02
Temperature Resolution	0.1°C, 0.1°F

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Mettler Toledo™ FiveGo™ F4 DO Meters

Portable meter provides reliable and high quality dissolved oxygen (DO) measurements with simple click of a button

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Specifications

Range (RDO)	0 to 45 mg/L
Type	Dissolved Oxygen Portable Meter
Temperature (Metric) Range	0°C to 50°C
IP Rating	IP67
Memory	200 measurements
Model	DO PORTABLE F4
Sensor Types	Dissolved Oxygen Sensor
Percent Saturation Range Polarographic DO	0 to 400%
Languages	Chinese (Simplified),Chinese (Traditional),Croatian,Czech,Danish,Dutch,English (GB),English,French,German,Hungarian,Indonesian,Italian,Japanese,Korean,Norwegian,Polish,Brazilian Portuguese,Russian,Slovakian,Slovenian,Spanish,Swedish,Thai,Turkish,Vietnamese
Measurement Modes	Dissolved Oxygen
Range (Polarographic DO)	0 to 45 mg/L
Channels	1
Relative Humidity Range	5 to 85%

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Mettler Toledo™ FiveEasy™ Plus FP30 Conductivity Meters

Compact, benchtop meter provides high quality conductivity measurements with simple click of a button

Pricing & Availability
Specifications

Resolution (Conductivity)	Automatic range
Memory	200 measurements, current calibration
Range (Conductivity)	0.01 μS/cm to 500 mS/cm
Range (TDS)	0 mg/L to 300 mg/L
Measurement Modes	Conductivity
Calibration	One point calibration with three predefined standards, manual cell constant input
Range (Salinity)	0 to 42 psu
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 or USB ports
Temperature Compensation	Linear: 0.00%/°C to 10.00%/°C, reference temperature: 20° and 25°C
Display Type	LCD
Voltage	100/240 V
Accuracy (Conductivity)	±0.5% of the measured value
Model	FP30
Frequency	50/60Hz
Data Points	200
Temperature Range (English)	32°F to 212°F
Weight (English)	1.4 lb.
Resolution (Temperature)	0.1°C
Temperature Range (Metric)	-5°C to +105°C
Inputs	Mini-DIN
Accuracy (Temperature)	0.3°C
Weight (Metric)	0.63 kg

Ohaus™ Starter ST20M-C Multi-Parameter Pen Meter

Compact design for fast, convenient electrochemistry reading. Measure conductivity, pH, temperature and salinity with the same meter. IP67, automatic temperature compensation, 3-point calibration and auto-off after 6 minutes of non-use

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Thermo Scientific™ Orion™ Pro Star DO213 Dissolved Oxygen Bench Meter

Designed to provide accurate and reliable dissolved oxygen, barometric pressure and temperature analysis, the Thermo Scientific™ Orion™ Pro Star DO213 bench meter is well suited for laboratories that desire a modern meter with advance performance.

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Specifications

Temperature (Metric) Range	-30.0°C to +130.0°C
Resolution (Polarographic DO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Pressure Range	400.0 to 850.0 mmHg; 0.533 to 1.133 bar
Memory	Non-volatile
Languages	Chinese,English,French,German,Italian,Japanese,Korean,Portuguese,Spanish
Measurement Modes	Dissolved Oxygen (mg/L with Temperature and Barometric Pressure),Dissolved Oxygen (ppm with Temperature and Barometric Pressure),Dissolved Oxygen (% Saturation with Temperature and Barometric Pressure)
Channels	1
Barometric Pressure Correction	Yes, automatic with built-in barometer or manual
Resolution (RDO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Display Type	7-in. High-resolution Color Graphic LCD
Percent Saturation Resolution (RDO)	0.1, 1% saturation
Resolution (DO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Data Points	10,000 with Date and Time Stamp
Calibration Modes	Water-saturated air (100% and 0% saturation), air-saturated water (100% and 0% saturation) or custom concentration value (Winkler)
Percent Saturation Relative Accuracy (Polarographic DO)	±2% saturation
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 or 2 point temperature offset calibration
Probe Type	Polarographic or optical DO electrode
Inputs	9-pin MiniDIN for dissolved oxygen with ATC
Accuracy (Temperature)	±0.3°C, ±0.5°F
Weight (Metric)	1.00 kg
Salinity Factor	0.0 to 50.0 ppt
Accuracy (DO)	±2% saturation; ±0.02 mg/L or ppm
Warranty	2 year meter warranty
Accuracy (Polarographic DO)	±2% saturation; ±0.02 mg/L or ppm
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
Relative Humidity Range	5 to 85%, non-condensing
Range (RDO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
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.
Percent Saturation Range (RDO)	0.0 to 600.0% saturation
IP Rating	IP54
Temperature Selection	Automatic with ATC temperature sensor, ambient or manual
Percent Saturation Resolution (Polarographic DO)	0.1, 1% saturation
Keypad	Capacitive touchscreen user interface
Model	DO213
Outputs	USB flash drive, computer or printer (STARA-106)
Backlight Option	Yes
Weight (English)	2.20 lbs.
Percent Saturation Relative Accuracy (RDO)	±2% saturation
Resolution (Temperature)	0.1°C, 0.1°F
Range (Polarographic DO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Accuracy (Barometer)	±6.0 mmHg; ±0.008 bar
Range (DO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Methods	10
Accuracy (RDO)	±2% saturation; ±0.02 mg/L or ppm

Thermo Scientific™ Orion Lab Star DO Dissolved Oxygen Bench Meters

Orion Lab Star DO113 dissolved oxygen bench meters measure DO as % saturation or concentration with temperature, feature large backlit display for easy viewability, and offer small footprint to save bench space. This DO meter is ideal for simplified, budget-friendly lab testing and data recording.

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Specifications

Temperature (Metric) Range	-5.0°C to +105.0°C
Resolution (Polarographic DO)	0.1, 1 % saturation; 0.01, 0.1 mg/L or ppm
Pressure Range	400.0 to 850.0 mmHg; 0.533 to 1.133 bar
Memory	Non-volatile
Measurement Modes	Dissolved Oxygen (% Saturation with Temperature),Dissolved Oxygen (mg/L with Temperature),Dissolved Oxygen (ppm with Temperature)
Data Management Details	Continuous, Auto-Read and Timed read modes
Display Type	5 in. backlit LCD
Data Points	500 Sets with Date and Time Stamp
Calibration Modes	100 % saturation, 0 % saturation, custom concentration value
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Accuracy (Temperature)	±0.3°C, ±0.5°F
Weight (Metric)	700 grams
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
Sensor Types	Polarographic
Log Function Type	Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Relative Humidity Range	5 to 85%, non-condensing
Alarm Output	Calibration reminder alarm
Dimensions (L x W x H)	187.2 x 155.2 x 61.7 mm, 7.37 x 6.11 x 2.43 in.
IP Rating	IP54
Temperature Selection	Manual or automatic with ATC temperature probe
Outputs	Computer or printer (STARA-106)
Backlight Option	Yes
Weight (English)	1.54 lb.
Resolution (Temperature)	0.1°C, 0.1°F
Range (Polarographic DO)	0.0 to 300.0 % saturation; 0.00 to 30.0 mg/L or ppm

OHAUS™ Starter Salinity Pen Meters

Simple salinity measurement. OHAUS Starter Salinity Pen Meters with combination of quality construction and sturdy design provide durable operation in tough environments.

Pricing & Availability
Specifications

Type	Salinity Pen Meter
Display Type	LCD
Weight (English)	0.23 lb.
Material	ABS
For Use With (Application)	Measuring salinity the dissolved salt content in a liquid medium
Battery Type	Micro Alkaline
Ambient Temperature (Metric)	0 to 50°C
Ambient Temperature (English)	32 to 122°F
Weight (Metric)	105 g
Resolution	0.1 ppt

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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Thermo Scientific™ Orion Star™ A322 Conductivity Portable Meter PROMO

Accurately monitor conductivity, TDS, salinity, resistivity and temperature with this conductivity portable meter designed for challenging field tests.

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Mettler Toledo Titrator Karl Fischer EVA C1 X

A cutting-edge (EVA C1 X) solution designed for precise and efficient trace water determination across diverse sample types

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Mettler Toledo Titrator Karl Fischer EVA C1 D

A cutting-edge solution designed for precise and efficient trace water determination across diverse sample types

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Mettler Toledo™ pH/Conductivity Meter NineFocus™ NF2300™

High-performance, multiparameter benchtop meter for compelling precision in pH, conductivity, ion concentration, redox, and dissolved oxygen determinations. The modular meter is at its best with the smart digital InLab™ DES™ sensors.

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Specifications

Length (Metric)	40 cm
Memory	3000 Result Sets
Languages	Chinese (Simplified),Chinese (Traditional),English,French,German,Italian,Polish,Portuguese,Russian,Spanish,Thai,Turkish
Measurement Modes	pH with mV and Temperature,Conductivity,Dissolved Oxygen
Width (Metric)	30 cm
Channels	4 (Customizable with modules)
Accuracy (pH)	0.002
Accuracy	-30 to 130°C
Data Management Details	PC, Printer, USB stick
Display Type	Color TFT
Voltage	100/240 V
Accuracy (Conductivity)	0.5 %
Resolution (mV)	0.1,1
Data Points	2000
Calibration Modes	Calibration Support, Guided verification, Multilingual Menu, Simple Methods, Touch screen
Certifications/Compliance	CE, WEEE, RoHS
Weight (Metric)	2 kg
Height (Metric)	34 cm
Accuracy (mV)	0.1
Temperature Accuracy	±0.1°C between 0°C and 100°C
Resolution (Conductivity)	0.001 to 0.1
Range (Conductivity)	0.001 μS/cm to 2000 mS/cm
Log Function Type	Automatic by Interval or Event, Manual
Calibration	pH, ORP, Ion Concentration, Conductivity, TDS, Salinity, DO, Barometric Pressure, Temperature
Dimensions (L x W x H)	40 x 30 x 34 cm
Product Type	pH/Conductivity Meter
IP Rating	IP52
Range (Relative mV)	-2000 to 2000 mV
Backlight Option	Yes
Temperature Range (Metric)	-30°C to +130°C
Temperature Resolution	0.1°C

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Mettler Toledo™ DO Meter NineFocus™ NF4000 Kit™

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

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Thermo Scientific™ Orion Star™ A323 Dissolved Oxygen Portable Meter

Accurately monitor dissolved oxygen (optical/polarographic) and temperature with this RDO/DO portable meter for challenging field testing.

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Specifications

Temperature (Metric) Range	0.0°C to 50.0°C
Resolution (Polarographic DO)	0.01, 0.1mg/L
Pressure Range	400 to 850mmHg
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Languages	English,Spanish,French,Italian,German,Chinese,Portuguese and Korean available with software update
Measurement Modes	Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature and Barometric Pressure)
Power Supply	4 AA batteries (included) or universal AC adapter (sold separately)
Barometric Pressure Correction	400 to 850mmHg, automatic using built-in barometer or manual entry
Battery Life	800 hours
Data Management Details	Transfer single, range or all data points to printer or computer
Display Type	Graphic LCD with Backlight
Data Points	5000 with Date and Time Stamp
Calibration Modes	Water-saturated air, air-saturated water, manual (Winkler titration), zero point
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Salinity Factor	0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Warranty	3 Year Meter Warranty
Sensor Types	RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Log Function Type	Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Battery Type	Four AA (included)
Relative Humidity Range	5 to 85 %, non-condensing
Range (RDO)	0.00 to 50.00 mg/L
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.)
Percent Saturation Range (RDO)	0.0 to 500.0 % saturation
Temperature Selection	Automatic with ATC temperature probe
Keypad	Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs	USB, RS232
Backlight Option	Yes (Selectable)
Percent Saturation Relative Accuracy (RDO)	±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
Range (Polarographic DO)	0.00 to 90.00 mg/L
Accuracy (Barometer)	±6mmHg
Methods	10 per channel with password protection
Pressure Resolution	1mmHg
Channels	1
Resolution (RDO)	0.01, 0.1mg/L
Percent Saturation Resolution (RDO)	0.1, 1 % saturation
Percent Saturation Relative Accuracy (Polarographic DO)	±2 % saturation or ±2% of reading whichever is greater
Inputs	9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	0.5 kg
Temperature (English) Operating	41°F to 113°F (ambient)
Accuracy (Polarographic DO)	±0.2mg/L or ±2% of reading, whichever is greater
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Alarm Output	High/low limit alarm, calibration due alarm
IP Rating	IP67
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
Model	Orion Star A323 RDO Optical/Dissolved Oxygen/Temperature Portable Meter
Weight (English)	1.2 lb.
Resolution (Temperature)	0.1°C (0.1°F)
Temperature (Metric) Operating	5°C to 45°C (ambient)
Percent Saturation Range (Polarographic DO)	0.0 to 600.0 % saturation
Accuracy (RDO)	±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L

Thermo Scientific™ Orion Star™ A221 Portable pH Meter

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

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Electrochemistry Meters

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