Multiparameter Meters

Instruments used to measure more than one electrochemical parameter; may include methods for pH, conductivity, temperature, ion-specific concentrations, dissolved oxygen, turbidity, resistivity, mV, TDS, salinity, and barometric pressure.

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WTW™ Multi-Parameter Meters

Ideal for measuring environmental applications in ground and surface water measurement, aquaculture, and waste water treatment plants.

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Thermo Scientific™ Elite PCTS pH / Conductivity / TDS / Salinity Pocket Testers and Replacement Sensors

Flexible on-the-go pH, conductivity, TDS, salinity and temperature testing using durable Elite PCTS pocket testers for a variety of applications including agriculture, aquaculture, hydroponics 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	pH,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
Range (pH)	-1.00 to 15.00
TDS Factor Range	0.40 to 1.00 (selectable)
Accuracy (pH)	±0.02
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
Calibration Points (pH)	1 to 3
Calibration Modes	pH, conductivity, TDS, salinity, temperature
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™ 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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Fisherbrand™ accumet™ AR450 pH/ion/Conductivity Meter Kit

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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Thermo Scientific™ Eutech™ PC 450 Multi-parameter Meter Kit

Measure multiple parameters in a cost-effective and convenient way by using only one Eutech™ multi-parameter meter.

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Thermo Scientific™ Eutech™ ECTestr11+ Multi Range Conductivity Tester

Get quick and accurate conductivity measurements in the field, laboratories, and schools.

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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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Thermo Scientific™ Eutech™ CON 2700 Conductivity Meter

Get quick and accurate conductivity measurements in the field, laboratories, and schools.

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Thermo Scientific™ Orion Star™ A321 pH Portable Meter

Accurately monitor pH, mV, ORP and temperature with our waterproof, portable pH meter for high performance in challenging field locations.

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Specifications

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	pH,mV,Relative mV,ORP with Temperature
Range (pH)	-2 to 20
Accuracy (pH)	±0.002
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
Inputs	BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
Weight (Metric)	0.5 kg
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
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)
Log Function Type	Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Calibration	pH with calibration editing option, relative mV (RmV), ORP and temperature
Battery Type	4 x AA
Relative Humidity Range	5 to 85%, non-condensing
Calibration Points	1 to 5
Alarm Output	High/low limit alarm, calibration due alarm
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
IP Rating	IP67
Keypad	Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Model	Orion Star A321 pH/mV/RmV/ORP/Temperature Portable Meter
Outputs	USB, RS-232
Temperature Range (English)	22.0°F to 221.0° F
Range (Relative mV)	±2000.0 mV
Backlight Option	Yes (Selectable)
Weight (English)	1.2 lb.
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5.0°C to +105.0°C
Range (mV)	±2000.0 mV
Range (ORP)	±2000.0 mV
Methods	10 per channel with password protection
Temperature Resolution	0.1°C, 0.1°F

Eutech 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™ 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.

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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
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
Range (pH)	-2 to 20
Accuracy (pH)	±0.002
Range (ISE)	0.0001 to 19900 with selectable units of ppm, Molar, mg/L, %, ppb or none
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
Inputs	BNC (pH, ORP or ion selective electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
Weight (Metric)	0.5 kg
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
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)
Log Function Type	Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Calibration	pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
Battery Type	4 AA (included)
Relative Humidity Range	5 to 85 %, non-condensing
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output	High/low limit alarm, calibration due alarm
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
IP Rating	IP67
Keypad	Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Model	Orion Star A324 pH/ISE/mV/RmV/ORP/Temperature Portable Meter
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)
Weight (English)	1.2 lb.
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5.0°C to +105.0°C
Range (mV)	±2000.0 mV
Range (ORP)	±2000.0 mV
Methods	10 per channel with password protection
Temperature Resolution	0.1°C, 0.1°F

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Eutech 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.

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

Get premium performance and ultimate flexibility with our benchtop meter with pH/ISE module for pH, ion concentration, and temperature.

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Specifications

Power Rating	DC input: 9VDC, 1A
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
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes	pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature
Range (pH)	-2 to 20
Accuracy (pH)	±0.002
Range (ISE)	0.0001 to 19990 with selectable units of ppm, Molar, mg/L, %, ppb or none
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
Weight (Metric)	1.2 kg, modules add 0.2 kg each
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 and module warranty
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
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.000pH (adjustable), 1.000 ISE (adjustable)
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Log Function Type	Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with
Calibration	pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
Relative Humidity Range	5 to 85 %, non-condensing
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output	Set point alarm, high/low limit alarm, calibration due alarm
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
Temperature Selection	Manual or automatic with ATC temperature probe
IP Rating	IP54
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
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
Range (mV)	±2000.0 mV
Range (ORP)	±2000.0 mV
Methods	10 per channel
Temperature Resolution	0.1°C, 0.1°F

Fisherbrand™ Traceable™ pH/ORP Meter

Designed for water applications, this meter takes the guesswork out of measurements. Fisherbrand™ Traceable™ pH/ORP Meters is ideal for testing pH and ORP in wastewater, water quality and environmental applications.

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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
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
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
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

Multiparameter Meters

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Thermo Scientific™ Orion Star™ A321 pH Portable Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A324 pH/ISE Portable Multiparameter Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion™ Versa Star Pro™ pH/ISE Benchtop Multiparameter Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A326 pH/Dissolved Oxygen Portable Multiparameter Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A321 pH Portable Meter

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

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

Thermo Scientific™ Orion Star™ A326 pH/Dissolved Oxygen Portable Multiparameter Meter