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.
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) | |
 |  |  |  | |
| Multiparameter high-performance laboratory measurement system | Dual parameter high-performance laboratory measurement system | Dual parameter easy to use, dependable laboratory meters | Dual parameter easy to use, dependable laboratory meters | |
| Ideal for applications in: | Food and beverage, industrial, water | Pharmaceutical, biotechnology, food and beverage | Chemical, contract testing, water | Water, 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 resolution | 0.001/0.01/0.1 | 0.001/0.01/0.1 | 0.001/0.01/0.1 | 0.001/0.01/0.1 |
| pH calibration points | Up to 6 | Up to 6 | Up to 5 | Up to 5 |
| mV, RmV, ORP modes | Yes | Yes | Yes | Yes |
| Ion concentration mode | Yes | No | No | No |
| Conductivity mode | Yes | Yes | Yes | No |
| Additional modes | TDS, salinity, resistivity | TDS, salinity, resistivity | TDS, salinity, resistivity | --- |
| Dissolved oxygen mode | Yes | No | No | Yes |
| Compatible probes | RDO, 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 modules | 2 | 2 |
| Stirrer probe inputs | 2 | 2 | 1 | 1 |
| Data log | 2000 with date/time | 2000 with date/time | 2000 with date/time | 2000 with date/time |
| Calibration log | 30 per mode | 30 per mode | 10 | 10 |
| Identification options | Electrode ID, sample ID, user ID | Electrode ID, sample ID, user ID | Sample ID, user ID | Sample ID, user ID |
| Data export options | USB (2), RS232 | USB (2), RS232 | USB, RS232 | USB, RS232 |
| Power supply | Universal, 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 batteries | Universal, 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) | |
 |  |  | |
| Rugged, dependable multiparameter meter | Rugged, versatile, and dependable multiparameter meter | Versatile, powerful, multiparameter meter | |
| Ideal for applications in: | Industrial—cooling towers, wastewater; Environmental—ponds, lakes | Industrial—wastewater; Environmental—ponds, lakes | Industrial—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 resolution | 0.1/0.01/0.001 | 0.1/0.01/0.001 | 0.1/0.01/0.001 |
| pH relative accuracy | ±0.002 | ±0.002 | ±0.002 |
| pH calibration points | Up to 5 | Up to 5 | Up to 5 |
| mV, RmV range | ±2,000.0 mV | ±2,000.0 mV | ±2,000.0 mV |
| EH/ORP mode | Yes | Yes | Yes |
| Dissolved oxygen mode | No | Yes | Yes |
| 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 datalogs | 5000, with time and date stamp | 5000, with time and date stamp | 5000, with time and date stamp |
| Data export options | RS232, USB | RS232, USB | RS232, USB |
| AC adapter | Optional—universal, 100–240VAC | Optional—universal, 100–240VAC | Optional—universal, 100–240VAC |
| Battery power | Included—4AAs | Included—4AAs | Included—4AAs |
| Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories › | |||
Advanced | |
|---|---|
| Eutech PC2700 pH/Conductivity Bench Meter | |
 | |
| Economical, routine laboratory meters | |
| pH range | -2.000 to 20.000 |
| pH resolution | 0.001 / 0.01 / 0.1 |
| pH calibration points | Up to 6 |
| mV, RmV modes | Yes |
| Ion concentration mode | Yes |
| Conductivity mode | Yes |
| Additional modes | TDS, salinity, resistivity |
| Range (temperature) | 0.0 to 100.0 °C, 32.0 to 212.0 °F |
| Backlit display | Yes |
| Number of channels | 2 |
| Data log | 500 with date/time |
| Calibration log | Most recent viewable on meter and stored in meter memory |
| Data export options | RS232 |
| Power supply | Universal, 100-240VAC, 50/60 Hz, Cat. No. 60X426401 |
Premium | Premium | Advanced | Advanced | Advanced | Advanced | |
|---|---|---|---|---|---|---|
| Eutech PD 450 Portable Multiparameter Meter | Eutech PC 450 Portable Multiparameter Meter | Eutech PCD 650 Portable Multiparameter Meter | Eutech PC 650 Portable Multiparameter Meter | Eutech PD 650 Portable Multiparameter Meter | Eutech CD 650 Portable Multiparameter Meter | |
 |  |  |  |  |  | |
| pH range | -2.00 to 16.00 | -2.00 to 16.00 | -2.00 to 20.00 | -2.00 to 20.00 | -2.00 to 20.00 | --- |
| pH resolution | 0.01 pH | 0.01 pH | 0.1 / 0.01 Ph | 0.1 / 0.01 Ph | 0.1 / 0.01 Ph | --- |
| pH relative accuracy | ±0.01 pH | ±0.01 pH | ±0.01 pH | ±0.01 pH | ±0.01 pH | --- |
| pH calibration points | Up to 6 | Up to 6 | Up to 6 | Up to 6 | Up to 6 | --- |
| mV, RmV modes | Yes | Yes | Yes | Yes | Yes | --- |
| EH/ORP mode | --- | --- | Yes | Yes | Yes | --- |
| Conductivity mode | --- | Yes | Yes | Yes | --- | Yes |
| Dissolved oxygen mode | Yes | --- | Yes | --- | Yes | Yes |
| TDS relative accuracy | --- | ±1 % full scale | ±1 % full scale | ±1 % full scale | ±1 % full scale | ±1 % full scale + |
| Ion concentration mode | --- | --- | Yes | Yes | Yes | --- |
| Temperature range | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) |
| Number of datalogs | 500 with date and time stamp | 500 with date and time stamp | 500 with date and time stamp | 500 with date and time stamp | 500 with date and time stamp | 500 with date and time stamp |
| Data export options | USB or RS232 | USB or RS232 | RS232C through LED, IrDA | RS232C through LED, IrDA | RS232C through LED, IrDA | RS232C through LED, IrDA |
| AC adapter | 9 V DC adapter (optional) | 9 V DC adapter (optional) | 9 V DC adapter | 9 V DC adapter | 9 V DC adapter | 9 V DC adapter |
| Battery power | 2 AA batteries (included) | 2 AA batteries (included) | 4 AA batteries (included) | 4 AA batteries (included) | 4 AA batteries (included) | 4 AA batteries (included) |
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) | |
| | | | |
| Multiparameter high-performance laboratory measurement system | Dual parameter high-performance laboratory measurement system | Dual parameter easy to use, dependable laboratory meters | Dual parameter easy to use, dependable laboratory meters | |
| Ideal for applications in: | Food and beverage, industrial, water | Pharmaceutical, biotechnology, food and beverage | Chemical, contract testing, water | Water, 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 resolution | 0.001/0.01/0.1 | 0.001/0.01/0.1 | 0.001/0.01/0.1 | 0.001/0.01/0.1 |
| pH calibration points | Up to 6 | Up to 6 | Up to 5 | Up to 5 |
| mV, RmV, ORP modes | Yes | Yes | Yes | Yes |
| Ion concentration mode | Yes | No | No | No |
| Conductivity mode | Yes | Yes | Yes | No |
| Additional modes | TDS, salinity, resistivity | TDS, salinity, resistivity | TDS, salinity, resistivity | --- |
| Dissolved oxygen mode | Yes | No | No | Yes |
| Compatible probes | RDO, 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 modules | 2 | 2 |
| Stirrer probe inputs | 2 | 2 | 1 | 1 |
| Data log | 2000 with date/time | 2000 with date/time | 2000 with date/time | 2000 with date/time |
| Calibration log | 30 per mode | 30 per mode | 10 | 10 |
| Identification options | Electrode ID, sample ID, user ID | Electrode ID, sample ID, user ID | Sample ID, user ID | Sample ID, user ID |
| Data export options | USB (2), RS232 | USB (2), RS232 | USB, RS232 | USB, RS232 |
| Power supply | Universal, 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 batteries | Universal, 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) | |
| | | |
| Rugged, dependable multiparameter meter | Rugged, versatile, and dependable multiparameter meter | Versatile, powerful, multiparameter meter | |
| Ideal for applications in: | Industrial—cooling towers, wastewater; Environmental—ponds, lakes | Industrial—wastewater; Environmental—ponds, lakes | Industrial—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 resolution | 0.1/0.01/0.001 | 0.1/0.01/0.001 | 0.1/0.01/0.001 |
| pH relative accuracy | ±0.002 | ±0.002 | ±0.002 |
| pH calibration points | Up to 5 | Up to 5 | Up to 5 |
| mV, RmV range | ±2,000.0 mV | ±2,000.0 mV | ±2,000.0 mV |
| EH/ORP mode | Yes | Yes | Yes |
| Dissolved oxygen mode | No | Yes | Yes |
| 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 datalogs | 5000, with time and date stamp | 5000, with time and date stamp | 5000, with time and date stamp |
| Data export options | RS232, USB | RS232, USB | RS232, USB |
| AC adapter | Optional—universal, 100–240VAC | Optional—universal, 100–240VAC | Optional—universal, 100–240VAC |
| Battery power | Included—4AAs | Included—4AAs | Included—4AAs |
| Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories › | |||
Advanced | |
|---|---|
| Eutech PC2700 pH/Conductivity Bench Meter | |
| | |
| Economical, routine laboratory meters | |
| pH range | -2.000 to 20.000 |
| pH resolution | 0.001 / 0.01 / 0.1 |
| pH calibration points | Up to 6 |
| mV, RmV modes | Yes |
| Ion concentration mode | Yes |
| Conductivity mode | Yes |
| Additional modes | TDS, salinity, resistivity |
| Range (temperature) | 0.0 to 100.0 °C, 32.0 to 212.0 °F |
| Backlit display | Yes |
| Number of channels | 2 |
| Data log | 500 with date/time |
| Calibration log | Most recent viewable on meter and stored in meter memory |
| Data export options | RS232 |
| Power supply | Universal, 100-240VAC, 50/60 Hz, Cat. No. 60X426401 |
Premium | Premium | Advanced | Advanced | Advanced | Advanced | |
|---|---|---|---|---|---|---|
| Eutech PD 450 Portable Multiparameter Meter | Eutech PC 450 Portable Multiparameter Meter | Eutech PCD 650 Portable Multiparameter Meter | Eutech PC 650 Portable Multiparameter Meter | Eutech PD 650 Portable Multiparameter Meter | Eutech CD 650 Portable Multiparameter Meter | |
| | | | | | |
| pH range | -2.00 to 16.00 | -2.00 to 16.00 | -2.00 to 20.00 | -2.00 to 20.00 | -2.00 to 20.00 | --- |
| pH resolution | 0.01 pH | 0.01 pH | 0.1 / 0.01 Ph | 0.1 / 0.01 Ph | 0.1 / 0.01 Ph | --- |
| pH relative accuracy | ±0.01 pH | ±0.01 pH | ±0.01 pH | ±0.01 pH | ±0.01 pH | --- |
| pH calibration points | Up to 6 | Up to 6 | Up to 6 | Up to 6 | Up to 6 | --- |
| mV, RmV modes | Yes | Yes | Yes | Yes | Yes | --- |
| EH/ORP mode | --- | --- | Yes | Yes | Yes | --- |
| Conductivity mode | --- | Yes | Yes | Yes | --- | Yes |
| Dissolved oxygen mode | Yes | --- | Yes | --- | Yes | Yes |
| TDS relative accuracy | --- | ±1 % full scale | ±1 % full scale | ±1 % full scale | ±1 % full scale | ±1 % full scale + |
| Ion concentration mode | --- | --- | Yes | Yes | Yes | --- |
| Temperature range | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) | -10.0 to 110.0 °C (14.0 to 230.0 °F) |
| Number of datalogs | 500 with date and time stamp | 500 with date and time stamp | 500 with date and time stamp | 500 with date and time stamp | 500 with date and time stamp | 500 with date and time stamp |
| Data export options | USB or RS232 | USB or RS232 | RS232C through LED, IrDA | RS232C through LED, IrDA | RS232C through LED, IrDA | RS232C through LED, IrDA |
| AC adapter | 9 V DC adapter (optional) | 9 V DC adapter (optional) | 9 V DC adapter | 9 V DC adapter | 9 V DC adapter | 9 V DC adapter |
| Battery power | 2 AA batteries (included) | 2 AA batteries (included) | 4 AA batteries (included) | 4 AA batteries (included) | 4 AA batteries (included) | 4 AA batteries (included) |
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.
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 ›
Parameter | EPA | SM | ASTM | ISO | China MEP | USP | EP | AOAC | Other |
|---|---|---|---|---|---|---|---|---|---|
pH | EPA 150.1 | 4500-H+(B) | D1293 (A,B) | 10523 | GB/T 6920 | <791> | 2.2.3 | 973.41 | FDA - 21 CFR 114.90 |
pH of soil/solid waste | SW-846 9040C & 9045D | D4972 | 10390 | GB/T15555 | 994.16–994.18 | USDA NRCS | |||
Conductivity | EPA 120.1; SW-846 9050A | 2510 (B) | D1125 (A) | 7888 | n/a | <645> | 2.2.38 | 973.40 | PSS-78 (salinity) |
Dissolved oxygen | 4500-O (G) | D888 (B, C) | 17289; 5814 | HJ506 | |||||
BOD | 5210 (B) | 5815 | HJ505 | 973.44 | |||||
Fluoride | SW-846 9214 | 4500-F (C ) | D1179 (B) | 10359 | GB7484 | ||||
Ammonia | 4500-NH3 (D, E) | D1426 (B) | 6778 | ||||||
Nitrate | Orion 601; SW-846 9210A | 4500-NO3 (D) | |||||||
Sulfide | SW-846 9215 | 4500-S2 (G) | D4658 | ||||||
Cyanide | SW-846 9213 | 4500-CN (F) | D2036 (A) | ||||||
Chloride | SW-846 9212 | 4500-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 |
Get answers to your top water analysis and water purification questions and see products in action. Learn about:
· pH & Multiparameter Benchtop & Portable Meters
· Electrodes (pH Electrodes, ISE, Conductivity, DO)
· Potentiometric Titrators
· Spectrophotometers
· Water Purification Systems
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.
