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Versatility meets functionality

Measure pH, ion concentration, conductivity, dissolved oxygen, and temperature with a single, powerful meter. Our benchtop and portable multiparameter meters are designed to increase your productivity in the lab and in the field.

Choosing a multiparameter meter reduces the amount of equipment on your benchtop or in your hands while in the field, eliminates the need for multiple meters as the display showcases multiple parameters on one unit, and saves time in transferring electrodes from meter to meter for measurements. Combine your parameters today for simultaneous measurements saving space, time, and money.

Learn more about the regulatory requirements our benchtop and portable meters can assist you with.

Browse our complete portfolio or let one of our experts help you make a selection.

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Multiparameter Meters

Enhance your productivity while protecting your investment. We offer an assortment of meter accessories for our benchtop and portable meters.

 

Premium

Advanced

 Orion Versa Star Pro pH/ISE, Conductivity and RDO/DO Bench Meters
Orion Versa Star Pro pH/Conductivity Bench Meters
Orion Star A215 pH/Conductivity Bench Meters

Orion Star A216 pH/RDO/DO Bench Meters

 (VSTAR90 series)(VSTAR50 series)

(STARA2150 series)(STARA2160 series)
 Premium pH, ISE, conductivity, dissolved oxygen multiparameter benchtop meterPremium pH and conductivity measurement benchtop metersAdvanced Orion pH and conductivity measurement benchtop metersAdvanced Orion pH RDO DO measurement benchtop meters
 Multiparameter high-performance laboratory measurement systemDual parameter high-performance laboratory measurement systemDual parameter easy to use, dependable laboratory metersDual parameter easy to use, dependable laboratory meters
Ideal for applications in:Food and beverage, industrial, waterPharmaceutical, biotechnology, food and beverageChemical, contract testing, waterWater, wastewater, chemical
pH range–2.000 to 20.000–2.000 to 20.000–2.000 to 20.000–2.000 to 20.000
pH resolution0.001/0.01/0.10.001/0.01/0.10.001/0.01/0.10.001/0.01/0.1
pH calibration pointsUp to 6Up to 6Up to 5Up to 5
mV, RmV, ORP modesYesYesYesYes
Ion concentration modeYesNoNoNo
Conductivity modeYesYesYesNo
Additional modesTDS, salinity, resistivityTDS, salinity, resistivityTDS, salinity, resistivity---
Dissolved oxygen modeYesNoNoYes
Compatible probesRDO, polarographic------RDO, polarographic
Temperature Range-5 to 105°C
22 to 221°C
-5 to 105°C
23 to 221°C
-5 to 105°C
23 to 221°C
-5 to 105°C
23 to 221°C
Number of channels 4, customizable with modules 4, customizable with modules22
Stirrer probe inputs2211
Data log2000 with date/time2000 with date/time2000 with date/time2000 with date/time
Calibration log30 per mode30 per mode1010
Identification optionsElectrode ID, sample ID, user IDElectrode ID, sample ID, user IDSample ID, user IDSample ID, user ID
Data export optionsUSB (2), RS232USB (2), RS232USB, RS232USB, RS232
Power supplyUniversal, 100–240VAC, 50–60Hz (Cat. No. STARA-PWR)Universal, 100–240VAC, 50–60Hz (Cat. No. STARA-PWR)Universal, 100–240VAC, 50–60Hz (Cat. No. 1010003) or 4 AA batteriesUniversal, 100–240VAC, 50–60Hz (Cat. No. 1010003) or 4 AA batteries
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›
 

Premium

Premium

Premium

 Orion Star A325
Multiparameter meter

(STARA3250 series)
Orion Star A326
Multiparameter meter

(STARA3260 series)
Orion Star A329
Multiparameter meter

(STARA3290 series)
 Premium STARA3250 series Orion multiparameter metersPremium STARA3260 series Orion multiparameter metersPremium STARA3290 series Orion multiparameter meters
 Rugged, dependable multiparameter meterRugged, versatile, and dependable multiparameter meterVersatile, powerful, multiparameter meter
Ideal for
applications in:
Industrial—cooling towers, wastewater; Environmental—ponds, lakesIndustrial—wastewater; Environmental—ponds, lakesIndustrial—wastewater, drinking water, food & beverage; Environmental—ponds, lakes
pH range–2.000 to 20.000–2.000 to 20.000–2.000 to 20.000
pH resolution0.1/0.01/0.0010.1/0.01/0.0010.1/0.01/0.001
pH relative accuracy±0.002±0.002±0.002
pH calibration pointsUp to 5Up to 5Up to 5
mV, RmV range±2,000.0 mV±2,000.0 mV±2,000.0 mV
EH/ORP modeYesYesYes
Dissolved oxygen modeNoYesYes
TDS relative accuracy±0.5% reading ±1 digit--±0.5% reading ±1 digit
Temperature range–5 to 105°C, 23 to 221°F–5 to 105ºC, 23 to 221ºF–5 to 105ºC, 23 to 221ºF
Number of datalogs5000, with time and date stamp5000, with time and date stamp5000, with time and date stamp
Data export optionsRS232, USBRS232, USBRS232, USB
AC adapterOptional—universal, 100–240VACOptional—universal, 100–240VACOptional—universal, 100–240VAC
Battery powerIncluded—4AAsIncluded—4AAsIncluded—4AAs
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›
 

Premium

Advanced

 Orion Versa Star Pro pH/ISE, Conductivity and RDO/DO Bench Meters
Orion Versa Star Pro pH/Conductivity Bench Meters
Orion Star A215 pH/Conductivity Bench Meters

Orion Star A216 pH/RDO/DO Bench Meters

 (VSTAR90 series)(VSTAR50 series)

(STARA2150 series)(STARA2160 series)
 Premium pH, ISE, conductivity, dissolved oxygen multiparameter benchtop meterPremium pH and conductivity measurement benchtop metersAdvanced Orion pH and conductivity measurement benchtop metersAdvanced Orion pH RDO DO measurement benchtop meters
 Multiparameter high-performance laboratory measurement systemDual parameter high-performance laboratory measurement systemDual parameter easy to use, dependable laboratory metersDual parameter easy to use, dependable laboratory meters
Ideal for applications in:Food and beverage, industrial, waterPharmaceutical, biotechnology, food and beverageChemical, contract testing, waterWater, wastewater, chemical
pH range–2.000 to 20.000–2.000 to 20.000–2.000 to 20.000–2.000 to 20.000
pH resolution0.001/0.01/0.10.001/0.01/0.10.001/0.01/0.10.001/0.01/0.1
pH calibration pointsUp to 6Up to 6Up to 5Up to 5
mV, RmV, ORP modesYesYesYesYes
Ion concentration modeYesNoNoNo
Conductivity modeYesYesYesNo
Additional modesTDS, salinity, resistivityTDS, salinity, resistivityTDS, salinity, resistivity---
Dissolved oxygen modeYesNoNoYes
Compatible probesRDO, polarographic------RDO, polarographic
Temperature Range-5 to 105°C
22 to 221°C
-5 to 105°C
23 to 221°C
-5 to 105°C
23 to 221°C
-5 to 105°C
23 to 221°C
Number of channels 4, customizable with modules 4, customizable with modules22
Stirrer probe inputs2211
Data log2000 with date/time2000 with date/time2000 with date/time2000 with date/time
Calibration log30 per mode30 per mode1010
Identification optionsElectrode ID, sample ID, user IDElectrode ID, sample ID, user IDSample ID, user IDSample ID, user ID
Data export optionsUSB (2), RS232USB (2), RS232USB, RS232USB, RS232
Power supplyUniversal, 100–240VAC, 50–60Hz (Cat. No. STARA-PWR)Universal, 100–240VAC, 50–60Hz (Cat. No. STARA-PWR)Universal, 100–240VAC, 50–60Hz (Cat. No. 1010003) or 4 AA batteriesUniversal, 100–240VAC, 50–60Hz (Cat. No. 1010003) or 4 AA batteries
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›
 

Premium

Premium

Premium

 Orion Star A325
Multiparameter meter

(STARA3250 series)
Orion Star A326
Multiparameter meter

(STARA3260 series)
Orion Star A329
Multiparameter meter

(STARA3290 series)
 Premium STARA3250 series Orion multiparameter metersPremium STARA3260 series Orion multiparameter metersPremium STARA3290 series Orion multiparameter meters
 Rugged, dependable multiparameter meterRugged, versatile, and dependable multiparameter meterVersatile, powerful, multiparameter meter
Ideal for
applications in:
Industrial—cooling towers, wastewater; Environmental—ponds, lakesIndustrial—wastewater; Environmental—ponds, lakesIndustrial—wastewater, drinking water, food & beverage; Environmental—ponds, lakes
pH range–2.000 to 20.000–2.000 to 20.000–2.000 to 20.000
pH resolution0.1/0.01/0.0010.1/0.01/0.0010.1/0.01/0.001
pH relative accuracy±0.002±0.002±0.002
pH calibration pointsUp to 5Up to 5Up to 5
mV, RmV range±2,000.0 mV±2,000.0 mV±2,000.0 mV
EH/ORP modeYesYesYes
Dissolved oxygen modeNoYesYes
TDS relative accuracy±0.5% reading ±1 digit--±0.5% reading ±1 digit
Temperature range–5 to 105°C, 23 to 221°F–5 to 105ºC, 23 to 221ºF–5 to 105ºC, 23 to 221ºF
Number of datalogs5000, with time and date stamp5000, with time and date stamp5000, with time and date stamp
Data export optionsRS232, USBRS232, USBRS232, USB
AC adapterOptional—universal, 100–240VACOptional—universal, 100–240VACOptional—universal, 100–240VAC
Battery powerIncluded—4AAsIncluded—4AAsIncluded—4AAs
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›

Alternatively, Thermo Scientific also offers a multiparameter pocket tester as a budget-friendly on-the-go electrochemical testing solution. Measure pH, conductivity, total dissolved solids (TDS), salinity and temperature with our Elite PCTS pocket tester.


pH & Electrochemistry meter accessories

Bench meter and portable meter accessories make help protect you and your instruments by simplifying repetitive tasks and providing secure storage and transportation.

View all meter accessories ›

pH-meters-accessories

International standards for regulatory compliance requirements: 

Parameter

EPA

SM

ASTM

ISO

China MEP

USP

EP

AOAC

Other

pH

EPA 150.14500-H+(B)D1293 (A,B)10523GB/T 6920<791>2.2.3973.41FDA - 21 CFR 114.90

pH of soil/solid waste

SW-846 9040C & 9045D D497210390GB/T15555  994.16–994.18USDA NRCS

Conductivity

EPA 120.1; SW-846 9050A2510 (B)D1125 (A)7888n/a<645>2.2.38973.40PSS-78 (salinity)

Dissolved oxygen

 4500-O (G)D888 (B, C)17289; 5814HJ506    

BOD

 5210 (B) 5815HJ505  973.44 

Fluoride

SW-846 92144500-F (C )D1179 (B)10359GB7484    

Ammonia

 4500-NH3 (D, E) D1426 (B)6778     

Nitrate

Orion 601; SW-846 9210A4500-NO3 (D)       

Sulfide

SW-846 92154500-S2 (G)D4658      

Cyanide

SW-846 92134500-CN (F)D2036 (A)      

Chloride

SW-846 92124500-Cl (D)D512 (C) GB11896    

Bromide

SW-846 9211        
 SM: Standard Methods for the Examination of Water and Wastewater. APHA, AWWA, WEF.
 ASTM: American Society for Testing and Materials
 ISO: International Organization for Standardization
 USP: United States Pharmacopeia
 EP: European Pharmacopeia
 China MEP: China Ministry of Environmental Protection
 AOAC: Association of Official Analytical Chemists
 NRCS: Natural Resources Conservation Service
 PSS-78: Practical Salinity Scale of 1978
 FDA: U.S. Food and Drug Administration
 USDA: United States Department of Agriculture

Features of Thermo Scientific Multiparameter Meters

Ease-of-use with Orion multiparameter meters

Focused on
ease of use

  • Large, easy-to-view displays make recording measurements easier and faster, and can reduce documentation errors 
  • Onscreen instructions provide guidance on calibration and setup for more consistent operation with minimum training
Reliable electrochemistry measurements in the field

Provide fast and reliable measurements

  • Selectable read modes and reading stability indicator capture and notify when measurements are ready 
  • Calibration information shown with measurements and selectable alarms help to ensure measurement integrity
Assist with compliance requirements

Assist with compliance requirements

  • Measure pH, mV, relative mV, or ORP with temperature
  • Perform pH calibrations with automatic buffer recognition of NIST or DIN buffers and manual buffer value entry options
  • View up to 0.001 pH resolution, perform up to a six-point calibration, and record key calibration data including slope

Virtual Demo

Get answers to your top water analysis and water purification questions and see products in action. Sign up for a demo to learn about:

·  pH & Multiparameter Benchtop & Portable Meters
·  Electrodes (pH Electrodes, ISE, Conductivity, DO)
·  Potentiometric Titrators
·  Spectrophotometers
·  Water Purification Systems

Schedule Demo

Support

Knowledge Base: Certificates of Analysis and SDS for Orion, ROSS, AQUAfast, AquaMate, and AquaSensors products.

Orion Meters Software and Upgrades
Thermo Scientific Orion benchtop and portable meters are designed to help deliver accurate, consistent results, day after day. Boost productivity by upgrading your software today.

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