The accuracy and reliability of your conductivity measurements depends on the instrumentation you use. Below you can compare and identify the best match based on your required features, performance specifications and budget.
Premium | Advanced | Basic | |
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Orion Versa Star ProConductivity Benchtop Meters (VSTAR20 series) |
Orion Star A212 Conductivity Benchtop Meters (Star A210 series) |
Orion Star A112 Conductivity Benchtop Meters (Star A110 series) |
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Versatile, high-performance laboratory measurement system | Easy to use, dependable laboratory meters | Economical, simplified laboratory meters | |
Ideal for applications in: | Pharmaceuticals, biotechnology, food and beverage, industrial | Water, wastewater,chemical contract testing | Academic, environmental, power |
Conductivity range | 0.001 µS to 3000 mS | 0.001 µS to 3000 mS | 0.001 µS to 200 mS |
Conductivity resolution | Up to 4 significant digits | Up to 4 significant digits | Up to 3 significant digits |
Conductivity cal. points | Up to 6 | Up to 5 | Up to 1 |
Conductivity cal. modes | Auto standard recognition, manual standard entry, or manual cell constant entry | Auto standard recognition, manual standard entry, or manual cell constant entry | Auto standard recognition or manual cell constant entry |
Temp. compensation | Linear, nonlinear (nLFn, nLFu), EP/USP, off | Linear, nonlinear (nLFn, nLFu), EP/USP, off | Linear |
Reference temperature | 5, 10, 15, 20, or 25°C | 5, 10, 15, 20, or 25°C | 20 or 25°C |
Additional modes | TDS, salinity, resistivity | TDS, salinity, resistivity | TDS |
Display type | Adjustable color graphic LCD | Graphic LCD | Fixed-segment LCD |
Backlit display | YES | YES | — |
Onscreen text prompts | Step-by-step calibration and guided setup instructions | Step-by-step calibration and guided setup instructions | Basic calibration and setup prompts |
Keypad | Numeric with menu-specific function keys | Comprehensive with menu-specific function keys | Simple with highlighted measure key |
Number of channels | 4, customizable with modules | 1 | 1 |
Included modules | 1 x VSTAR-PH | — | — |
Stirrer probe inputs | 2 | 1 | — |
Measure read modes | Auto-read, continuous, timed, single-shot | Auto-read, continuous, timed | Auto-read, continuous |
Methods | 10 per channel | 10 | — |
Data log | 2000 with date/time | 2000 with date/time | 50 |
Calibration log | 30 per mode | 10 | 1 |
Identification options | Electrode ID, sample ID, user ID | Sample ID, user ID | — |
Alarms | Set point, high/low limit, calibration due | High/low limit, calibration due | — |
External device output | USB(2), RS232 | USB, RS232 | — |
Certifications | IP-54, CE, TUV 3-in-1, FCC Class A | IP-54, CE, TUV 3-in-1, FCC Class A | IP-54, CE, TUV 3-in-1, FCC Class A |
Power supply | Universal, 100–240 VAC, 50-60 Hz Cat. No. STARA-PWR) | Universal, 100–240 VAC, 50–60 Hz (Cat. No. 1010003) or 4 AA batteries | Universal, 100–240 VAC, 50–60 Hz (Cat. No. 1010003) or 4 AA batteries |
We offer a range of conductivity measurement instrumentation and accessories designed to meet your requirements for performance and price. Our conductivity meters, conductivity probes, and conductivity standards are designed to offer maximum repeatability and accuracy in your conductivity readings.
Portable pH and ORP Meters | pH Electrodes and Probes | Buffers and Solutions |
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Bring the lab outdoors with portable meters for dependable performance in the field. High-quality meters are essential to the critical, routine conductivity measurements you perform every day. We offer a wide range of portable conductivity meters for your measurement needs, performance specifications, and budgetary constraints. accurate pH measurements for your on-the-go measurements. | Our wide selection of electrochemical probes, sensors, and electrodes are designed to make your complex measurements routine, reliable, and accurate—in the lab or in the field. Available in a variety of body materials, body styles, and sample requirements. | Using high-quality, fresh solutions to calibrate and maintain your electrodes, probes, and sensors is an essential part of good laboratory practices. Having fresh Thermo Scientific Orion solutions available for your routine calibration needs is the best way to ensure your data is both accurate and reproducible when accuracy is critical. |