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™ FiveEasy™ F30 Conductivity Meters

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

Pricing & Availability
Specifications

Resolution (Conductivity)	Automatic range
Memory	Current calibration
Range (Conductivity)	0.01 μS/cm to 200 mS/cm
Range (TDS)	0 mg/L to 300 mg/L
Measurement Modes	Conductivity
Calibration	One point calibration with three predefined standards
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.)
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	F30
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)	0.5°C
Weight (Metric)	0.63 kg

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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

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!

Pricing & Availability
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™ Expert CTS Pocket Tester

Ensure accurate measurements of Conductivity, TDS, Salinity, and Temperature using the easy-to-use, large 4-digit display pocket tester for many applications.

Pricing & Availability

Thermo Scientific™ Orion Star™ A123 Dissolved Oxygen Portable Meter

Take simple dissolved oxygen and temperature measurements with this portable meter with easy operation for basic field testing.

Pricing & Availability
Specifications

Temperature (Metric) Range	0.0°C to 50.0°C
Resolution (Polarographic DO)	0.01, 0.1mg/L
Pressure Range	450 to 850mmHg (manual entry)
Memory	Non-volatile memory preserves log and settings
Languages	English
Measurement Modes	Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature)
Channels	1
Power Supply	4 AA batteries (included) or universal AC adapter (sold separately)
Barometric Pressure Correction	450 to 850mmHg, automatic with manual entry
Battery Life	2000 hours
Data Management Details	Internal data point memory
Display Type	LCD
Data Points	50
Calibration Modes	Water-saturated air, manual (Winkler titration)
Percent Saturation Relative Accuracy (Polarographic DO)	±2 % saturation or ±2% of reading whichever is greater
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Inputs	9 pin MiniDIN (polarographic DO sensor with built-in temperature)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	0.5 kg
Salinity Factor	0 to 45 ppt, automatic correction using manual entry of sample salinity
Stability	Smart Stability and Smart Averaging
Warranty	3 Year Meter Warranty
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)
Sensor Types	Polarographic Dissolved Oxygen Sensor
Percent Saturation Range Polarographic DO	0.0 to 200.0 % saturation
Log Function Type	Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode
Battery Type	Four AA (included)
Relative Humidity Range	5 to 85 %, non-condensing
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	Automatic with ATC temperature probe
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
Keypad	Simple with highlighted measure key, scroll and shortcut keys
Outputs	None
Weight (English)	2 lb.
Resolution (Temperature)	0.1°C (0.1°F)
Temperature (Metric) Operating	5°C to 45°C (ambient)
Range (Polarographic DO)	0.00 to 20.00 mg/L
Percent Saturation Range (Polarographic DO)	0.0 to 200.0 % saturation

Thermo Scientific™ Orion Star™ A223 Dissolved Oxygen Portable Meter

Reliably measure dissolved oxygen (optical/polarographic) and temperature with this RDO/DO portable meter for advanced field analysis.

Pricing & Availability
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 and 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	1000 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	Smart Stability and Smart Averaging
Warranty	3 Year Meter Warranty
Sensor Types	RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Percent Saturation Range Polarographic DO	0.0 to 600.0 % saturation
Log Function Type	Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode
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	Calibration due alarm (fixed 12 hour)
IP Rating	IP-67
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
Model	Orion Star A223 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™ Versa Star Pro™ pH/ISE/Conductivity/Dissolved Oxygen Multiparameter Benchtop Meter

Get premium performance and flexibility with our multiparameter benchtop meter with pH/ISE, conductivity and RDO/DO modules to measure up to four channels at once.

Pricing & Availability
Specifications

Power Rating	DC input: 9VDC, 1A
Salinity Measurement Modes	Practical salinity (psu) or natural sea water (ppt)
Resolution (Polarographic DO)	0.01, 0.1mg/L
Pressure Range	400 to 850mmHg
Range (Resistivity)	2 ohm to 100.0 meg-ohm
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, Chinese, Portuguese and Korean
Measurement Modes	pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature,TDS,Conductivity,Salinity
Resolution (ISE)	0.0001 minimum, 1 to 4 significant digits (user selectable)
Power Supply	Universal AC adapter (included)
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
Display Type	Color graphic LCD with user-customizable options
Resolution (mV)	0.1mV
Data Points	2000 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 conductivity reading or manual entry of sample salinity
Accuracy (mV)	±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (ISE)	±0.2 mV or ±0.05% of reading whichever is greater
Temperature Accuracy	±0.1°C
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Calibration Points (ISE)	1 to 6
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
Percent Saturation Range Polarographic DO	0.0 to 600.0% saturation
Relative Humidity Range	5 to 85%, non-condensing
Range (RDO)	0.00 to 50.00mg/L
Dimensions (L x W x H)	28 x 24 x 10cm (11 x 9.5 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
Percent Saturation Range (RDO)	0.0 to 500.0% saturation
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
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)	±6 mmHg
Range (ORP)	±2000.0 mV
Pressure Resolution	0.1mmHg
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 (ISE)	0.0001 to 19990 with selectable units of ppm, Molar, mg/L, %, ppb or none
Range (Salinity)	0.06 to 80.00 psu, 0.05 to 42.00 ppt
Resolution (RDO)	0.01, 0.1mg/L
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
Percent Saturation Resolution (RDO)	0.1, 1% saturation
Accuracy (Conductivity)	0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
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), 1.000 ISE (adjustable)
Accuracy (Polarographic DO)	±0.2 mg/L or ±2% of reading, whichever is greater
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, ion concentration (ISE) with calibration editing option, relativ
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
Percent Saturation Resolution (Polarographic DO)	0.1, 1% saturation
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
Percent Saturation Range (Polarographic DO)	0.0 to 600.0% saturation
Temperature Resolution	0.1°C, 0.1°F
Accuracy (RDO)	±0.1 mg/L up to 8 mg/L, ±0.2 mg/L from 8 to 20 mg/L, ±10% of reading up to 50 mg/L

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.

Pricing & Availability
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

Thermo Scientific™ Orion Star™ A324 pH/ISE Portable Multiparameter Meter

Accurately monitor pH, ion concentration, mV, ORP and temperature with our pH/ISE portable meter for challenging field testing.

Pricing & Availability
Specifications

Memory	Non-volatile memory preserves data log, calibration log and meter settings
Advanced ISE Functions	Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stabilit
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,Ion Concentration (ISE) with Temperature
Resolution (ISE)	0.0001 minimum, 1 to 3 significant digits (user selectable)
Power Supply	4 AA batteries (included) or universal AC adapter (sold separately)
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
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
Accuracy (ISE)	±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
Calibration Points (ISE)	1 to 5
Log Function Type	Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Battery Type	4 AA (included)
Relative Humidity Range	5 to 85 %, non-condensing
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
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)
Range (mV)	±2000.0 mV
Range (ORP)	±2000.0 mV
Methods	10 per channel with password protection
Range (pH)	-2 to 20
Channels	1
Accuracy (pH)	±0.002
Range (ISE)	0.0001 to 19900 with selectable units of ppm, Molar, mg/L, %, ppb or none
Inputs	BNC (pH, ORP or ion selective electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
Weight (Metric)	0.5 kg
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.000pH
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Calibration	pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output	High/low limit alarm, calibration due alarm
IP Rating	IP67
Model	Orion Star A324 pH/ISE/mV/RmV/ORP/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
Temperature Resolution	0.1°C, 0.1°F

OHAUS™ Starter Conductivity Pen Meters With Temperature Display

Small but productive conductivity meters. OHAUS Starter Conductivity Pen Meters with Temperature Display are the choice for basic testing needs of the total ionic concentration within a solution. They are durable with IP67 waterproof design and provide fast and straight forward results.

Pricing & Availability

OHAUS™ Starter TDS Pen Meter With Temperature Display

TDS meters with a temperature display. OHAUS Starter TDS Pen Meter provides reliable and accurate measurement of TDS in a portable and compact design. Combined content of all organic and inorganic substances in a liquid can also be measured.

Pricing & Availability

OHAUS™ Starter ORP Pen Meters

Portable ORP measurement.

Pricing & Availability
Specifications

Accuracy	2 mV
Display Type	LCD
Range (Conductivity)	-1000 to +1000 mV
Weight (English)	0.23 lb.
Material	ABS
For Use With (Application)	Measure the availability of electrons in a liquid
Range (mV)	-1000 to +1000 mV
Battery Type	Micro Alkaline
Ambient Temperature (Metric)	0 to 50°C
Weight (Metric)	105 g
Resolution	1 mV

OHAUS™ Aquasearcher™ Conductivity Meter AB33EC

The Aquasearcher™ Conductivity Meter AB33EC is a highly reliable benchtop meter designed to measure conductivity, total dissolved solids (TDS), salinity, and resistivity with temperature measurements.

Pricing & Availability
Specifications

Display Type	LCD One-line Dot Matrix
IP Rating	None
Range (Resistivity)	1 to 100 MΩ-cm
Range (Conductivity)	0.001 μS/cm minimum, auto-range
Accuracy (Conductivity)	±0.5% Reading ±2 Least Significant Digit
Outputs	RS232, USB Device (Included)
Data Points	1000
Range (TDS)	0.1 mg/L to 200 g/L
Measurement Modes	Auto-stop,Continuous
Temperature Range (Metric)	-5°C to +110°C
Range (Salinity)	0.01 psu minimum, auto-range

YSI™ Pro2030 Field Dissolved Oxygen/Conductivity Meter

Measure DO, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature

Pricing & Availability

YSI™ Professional Series DO, ODO and DO/Conductivity Meters

Compact, handheld instruments provide user-selectable cable lengths and probe options.

Pricing & Availability

Electrochemistry Meters

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