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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Mettler Toledo™ Protective Cover for S230 SevenCompact Conductivity Meters

Accessory for S230 SevenCompact Conductivity Meters.

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Thermo Scientific™ Orion™ Versa Star Pro™ Conductivity Benchtop Meter

Get high accuracy, premium performance and ultimate flexibility with this conductivity benchtop meter designed for conductivity, total dissolved solids (TDS), salinity, resistivity 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 megohm
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes	Conductivity,TDS,Salinity,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
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
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)	28 x 24 x 10 cm (11 x 9.5 x 3.9 in.), modules add ≤ 2 cm (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
Backlight Option	Yes
Compatible Probes	2-cell or 4-cell conductivity sensors with built-in temperature
Methods	10 per channel
Cell Constant	0.001 to 199.9 cm^-1
Temperature (Metric) Reference	5, 10, 15, 20, 25°C
Channels	4 (Customizable with modules)
TDS Factor Range	Linear (0.02 to 9.99)
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 wit
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	8 pin MiniDIN (conductivity sensor with built-in temperature), two stirrer inputs (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	1.2 kg, modules add 0.2 kg each
Calibration Points (Conductivity)	6
Temperature (English) Operating	41°F to 113°F (ambient)
Resolution (Resistivity)	1 ohm or 0.1 megohm, auto ranging
Accuracy (Resistivity)	0.5% of reading ±1 digit
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Resolution (TDS)	0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration	Conductivity with calibration editing option and temperature
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
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

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Thermo Scientific™ Orion™ Pro Star PI214 pH/Ion Bench Meter PROMO

Designed to provide accurate and reliable pH, ORP, ion concentration and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PI214 bench meter is well suited for laboratories that desire a modern meter with advance performance.

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Thermo Scientific™ Elite CTS Conductivity / TDS / Salinity Cup-sensor Pocket Testers and Replacement Sensors

Flexible on-the-go conductivity, TDS, salinity and temperature testing using durable Elite CTS cup-sensor pocket testers for a variety of applications including agriculture, aquariums and more!

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Specifications

Salinity Measurement Modes	Per practical salinity curve
Temperature Accuracy	±0.6°C, ±1.0°F for 0.0 to 50.0°C; ±1.1°C, ±1.9°F for 50.1 to 60.0°C
Resolution (Conductivity)	0.1 μS/cm for 0.0 to 200.0 μS/cm; 1 μS/cm for200 to 2000 μS/cm; 0.01 mS/cm for 2.00 to 20.00 mS/cm
Range (Conductivity)	0.00 to 20.00 mS/cm
Range (TDS)	0.00 to 10.00 ppt
Measurement Modes	Conductivity,TDS,Salinity,Temperature
Resolution (TDS)	0.1 ppm for 0.0 to 100.0 ppm; 1 ppm for 100 to 1000 ppm; 0.01 ppt for 0.10 to 10.00 ppt
TDS Factor Range	0.40 to 1.00 (selectable)
Relative Humidity Range	5 to 85 %, non-condensing
Range (Salinity)	0.00 to 10.00 ppt
Temperature Compensation	Yes
Accuracy (TDS)	± 1% full scale
Accuracy (Salinity)	± 1% full scale
Resolution (Salinity)	0.10 ppt
Accuracy (Conductivity)	± 1% full scale
Temperature Range (English)	32.0°F to 140.0°F
Temperature Probe Calibration	1 point
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Resolution	0.1°C, 0.1°F
Calibration Points (Conductivity)	1 to 3

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Thermo Scientific™ Orion™ Star A325 pH, Conductivity and Temperature Portable Waterproof Multiparameter Meter Kit - PROMO

Retrieve accurate results from any location with the Thermo ScientificTM Orion StarTM A325 pH/Conductivity Portable Multiparameter Meter.

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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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Thermo Scientific™ Orion™ Pro Star PC215 pH/Ion and Conductivity Bench Meter PROMO

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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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™ 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!

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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 Star™ A326 pH/Dissolved Oxygen Portable Multiparameter Meter

Accurately measure pH, dissolved oxygen and temperature with our pH/DO/RDO portable meter for high performance in challenging field tests.

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Specifications

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
Resolution (pH)	0.1/0.01/0.001
Languages	English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Measurement Modes	pH,mV,Relative mV,ORP with Temperature,Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature)
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
Data Management Details	Transfer single, range or all data points to printer or computer
Battery Life	800 hr.
Display Type	LCD Graphic, Backlit
Resolution (mV)	0.1mV
Data Points	5000 with Date and Time Stamp
Calibration Modes	Water-saturated air, air-saturated water, manual (Winkler titration), zero point
Temperature Probe Calibration	1 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Salinity Factor	0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity
Accuracy (mV)	±0.2 mV or ±0.05% of reading whichever is greater
Warranty	3 Year Meter
Temperature Accuracy	±0.1°C
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Log Function Type	Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Percent Saturation Range Polarographic DO	0.0 to 600.0 % saturation
Battery Type	4 AA (included)
Relative Humidity Range	5 to 85 %, non-condensing
Range (RDO)	0.00 to 50.00mg/L
Dimensions (L x W x H)	24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.)
Temperature Selection	Manual or automatic with ATC temperature probe
Percent Saturation Range (RDO)	0.0 to 500.0 % saturation
Keypad	Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs	USB, RS232
Temperature Range (English)	22.0°F to 221.0° F
Range (Relative mV)	±2000.0 mV
Calibration Points (pH)	1 to 5
Backlight Option	Yes (Selectable)
Percent Saturation Relative Accuracy (RDO)	±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
Range (Polarographic DO)	0.00 to 90.00mg/L
Range (mV)	±2000.0 mV
Accuracy (Barometer)	±6mmHg
Range (ORP)	±2000.0 mV
Methods	10 per channel with password protection
Pressure Resolution	1mmHg
Range (pH)	-2 to 20
Channels	2
Accuracy (pH)	±0.002
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	BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature)
Weight (Metric)	0.5 kg
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.000pH
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)
Calibration	pH with calibration editing option, relative mV (RmV), ORP, dissolved oxygen and temperature
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output	High/low limit alarm, calibration due alarm
IP Rating	IP67
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
Model	Orion Star A326 pH/mV/RmV/ORP/RDO Optical/Dissolved Oxygen/Temperature Portable Meter
Weight (English)	1.2 lb.
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5.0°C to +105.0°C
Percent Saturation Range (Polarographic DO)	0.0 to 600.0 % saturation
Temperature Resolution	0.1°C, 0.1°F
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™ Elite CTS Conductivity / TDS / Salinity Pin-sensor Pocket Testers and Replacement Sensors

Flexible on-the-go conductivity, TDS, salinity and temperature testing using durable Elite CTS pin-sensor pocket testers for a variety of applications including hydroponics, pools, spas and more!

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Specifications

Salinity Measurement Modes	Per practical salinity curve
Temperature Accuracy	±0.6°C, ±1.0°F for 0.0 to 50.0°C; ±1.1°C, ±1.9°F for 50.1 to 60.0°C
Resolution (Conductivity)	0.1 μS/cm for 0.0 to 200.0 μS/cm; 1 μS/cm for200 to 2000 μS/cm; 0.01 mS/cm for 2.00 to 20.00 mS/cm
Range (Conductivity)	0.00 to 20.00 mS/cm
Range (TDS)	0.00 to 10.00 ppt
Measurement Modes	Conductivity,TDS,Salinity,Temperature
Resolution (TDS)	0.1 ppm for 0.0 to 100.0 ppm; 1 ppm for 100 to 1000 ppm; 0.01 ppt for 0.10 to 10.00 ppt
TDS Factor Range	0.40 to 1.00 (selectable)
Relative Humidity Range	5 to 85 %, non-condensing
Range (Salinity)	0.00 to 10.00 ppt
Temperature Compensation	Yes
Accuracy (TDS)	± 1% full scale
Accuracy (Salinity)	± 1% full scale
Resolution (Salinity)	0.10 ppt
Accuracy (Conductivity)	± 1% full scale
Temperature Range (English)	32.0°F to 140.0°F
Temperature Probe Calibration	1 point
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Resolution	0.1°C, 0.1°F
Calibration Points (Conductivity)	1 to 3

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
Resolution (pH)	0.01
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™ F3 Conductivity Meters

Portable meter provides reliable and high quality conductivity measurements with simple click of a button

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Specifications

Memory	200 measurements
Range (Conductivity)	0.00 μS/cm to 200 mS/cm
Languages	Chinese, Chinese (TW), Croatian, Czech, Danish, Dutch, English (GB), English (US), French, German, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (BR), Russian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Vietnamese
Range (TDS)	0 mg/L to 200 g/L
Measurement Modes	Conductivity
Calibration	One point calibration with three predefined standards
Channels	1
Dimensions (L x W x H)	18.8 x 7.7 x 3.3 cm (97.4 x 3 x 1.3 in.)
Temperature Compensation	Linear: 0.00%/°C to 10.00%/°C, reference temperature: 20° and 25°C
Display Type	LCD
IP Rating	IP67
Accuracy (Conductivity)	±0.5% of the measured value
Data Points	200
Weight (English)	0.5 lb.
Resolution (Temperature)	0.1°C
Temperature Range (Metric)	0°C to 100°C
Inputs	LTW 7-pin
Accuracy (Temperature)	±0.5°C
Weight (Metric)	0.26 kg

OHAUS™ Aquasearcher™ Conductivity Meter AB23EC

The Aquasearcher™ Conductivity Meter AB23EC is a simple to use benchtop meter designed to easily measure conductivity, total dissolved solids (TDS), and salinity.

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Specifications

Calibration Points	1 Point Cell Constant
Display Type	LCD
IP Rating	None
Range (Resistivity)	0.01 μ/cm to 19.99 μ/cm
Range (Conductivity)	0.01 μS/cm to 199.9 mS/cm
Accuracy (Conductivity)	±1% Reading ±3 LSD
Data Points	99 Sets
Range (TDS)	0.1 mg/L to 199.9 g/L
Measurement Modes	Auto-stop,Continuous
Calibration	Linear
Temperature Range (Metric)	0.0°C to 100.0°C
Range (Salinity)	0 to 99.9 psu

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