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  6. Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop pH Meter

Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop pH Meter
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Product Code. 11611499
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Product Code. 11611499 Supplier Thermo Scientific™ Supplier No. VSTAR10
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18016.11 NOK valid until 2026-05-31
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Description

Get premium performance and ultimate flexibility with our benchtop pH meter for pH, mV, ORP and temperature measurements on customizable color display.

Get high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop pH Meter. Meet your most challenging applications for pH, mV, ORP and temperature. Easily view measurements on the stunning color display and customize the four meter channels with interchangeable modules. Perform up to a 6 point pH calibration, log up to 2000 data point sets with time/date stamp and easily transfer calibration and data logs via USB or RS232 to a printer or computer. Use the included electrode stand to easily place sensors in samples.

Thermo Scientific Orion Versa Star Pro Benchtop Meters are designed to meet your most challenging application with ease. Delivering rich functionality and features, you can optimally configure your meter system to meet changing requirements. The Orion Versa Star Pro Benchtop Meters offer interchangeable measurement modules that allow multiple users to customize four separate channels to meet their specific requirements. Easily view your measurements on a stunning color display with adjustable text sizes. Take the guesswork out of meter calibration and setup with onscreen instructions available in a variety of local languages. Enjoy quick and simple data entry using the numeric keypad.

  • Onscreen measurement stability indicator lets you know exactly when your measurements are ready
  • Selectable read modes include Auto-Read to hold a stable reading, Continuous to show changing readings, Timed to log data at specific intervals and Single-Shot to hold a reading after a specific wait time is reached
  • Audible alarms automatically notify you when a set offset value, high/low limit value and calibration time interval are reached
  • Easily access, update and switch your preferred measurement settings, using 10 methods per channel
  • Uniformly mix solutions using up to two meter-controlled stirrer probes that are easy to position and can be quickly rinsed between samples
  • Data log collects and date/time stamps up to 2,000 measurement sets with optional electrode ID, sample ID and account ID
  • Calibration log stores 30 most recent calibrations per parameter with viewable graph for multipoint pH and ISE calibrations
  • Ensure measurement integrity by viewing the active calibration log while taking readings
  • Non-volatile meter memory preserves data and settings, even in the event of power loss
  • Meter facilitates data transfers to a computer via USB or RS232 connections
  • IP54-rated housing resists dust and splashes and can be wall-mounted if table space is limited
  • Meters include CE, TUV 3-in-1 and FCC Class A certifications
  • 3-year replacement warranty

Includes Orion Versa Star pH Measurement Module:

  • Measure pH, mV, relative mV or ORP with temperature
  • Perform up to a 6 point pH calibration using automatic buffer recognition of NIST, DIN or user-defined buffer groups with choice to manually enter custom buffer values
  • Calibration editing option allows individual points to be fixed without a full recalibration
  • Customize measurements to show calibration history and pH electrode condition or simplify to show an extra large pH reading

System Access Feature
Orion Versa Star Pro Meters offer a system access feature that is designed to help ensure data integrity by preventing undesired access to various meter functions including date/time setting, data log and calibration log. The System Access feature can be easily turned on or off as the needs of your lab change for ultimate flexibility in operation and ease-of-use. When enabled, the System Access feature allows assignment of a system administrator and up to 10 user accounts with customizable access to instrument settings, measurement settings, calibrations and logs. Use the password protection to secure selected meter functions, while leaving other functions accessible for all users. The System Access feature allows you to customize meter access to meet your specific security and data reporting needs.

TRUSTED_SUSTAINABILITY

Specifications

Description Orion Versa Star Pro pH benchtop meter with stand
Includes Versa Star Pro meter with pH module, electrode stand, 100-240V universal power adapter, computer cable
Accuracy (Temperature) ±0.1°C
Accuracy (mV) ±0.2 or ±0.05%, whichever is greater
Accuracy (pH) ±0.002
Data Management Details Transfer single, range or all data points to printer or computer
Outputs USB, RS-232
Measurement Modes pH, mV, Relative mV, ORP with Temperature
Calibration pH with calibration editing option, relative mV, ORP and temperature
Range (pH) -2 to 20
Resolution (pH) 0.001, 0.01, 0.1
Range (mV) ±2000.0
Range (ORP) ±2000.0mV
Resolution (mV) 0.1mV
Calibration Points 1 to 6
Temperature Range (Metric) -5°C to +105°C
Temperature Range (English) 22.0°F to 221.0°F
Resolution (Temperature) 0.1°C, 0.1°F
Temperature Selection Manual or automatic with ATC temperature probe
Temperature Probe Calibration 1 point temperature offset calibration
Display Type LCD, Color Graphic with User-Customizable Options
Backlight Option Yes
Memory Non-volatile memory preserves data log, calibration log and meter settings
Data Points 2000 with Date and Time Stamp
Log Function Type Automatic with Auto-Read, Timed, and Single-shot Measure Modes, Manual
Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe)
Certifications/Compliance CE, TUV 3-1, FCC Class A
IP Rating IP54
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Dimensions (L x W x H) 28 cm x 24 cm x 10 cm (11 in. x 9.5 in. x 3.9 in.), modules add ≤ 2 cm (0.8 in.) L & H
Weight (Metric) 1.2 kg, modules add 0.2 kg each
Weight (English) 2.5 lb., modules add 0.5 lb. each
Warranty 3 Year Meter and Module Warranty
Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Methods 10 per channel
Power Rating DC input: 9VDC, 1A
Power Supply Universal AC adapter (included)
Probe Type pH electrode, ORP electrode, reference half-cell electrode, ATC temperature probe, stirrer probe (purchase separately)
Languages English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Range (Relative mV) ±2000.0mV
Relative Humidity Range 5 to 85%, non-condensing
Isopotential Point 7.000pH (adjustable)
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)
Temperature (Metric) Operating 5°C to 45°C (ambient)
Channels 4 (Customizable with modules)
Type Meter, pH (Sensor Not Included)
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Frequently Asked Questions (FAQs)

How long is the warranty period for Orion pH meters?

At Thermo Fisher Scientific, we stand behind the quality and reliability of our instruments. That's why we offer a minimum two-year (2) warranty on all Orion benchtop and portable pH meters. Obtain peace of mind knowing that your investment is protected. Should any issues arise within the warranty period, our team of experts is committed to providing you with prompt and efficient service. Be sure to check instrument specifications to confirm the warranty coverage period.
How do I perform a calibration using Orion pH meters?

Calibration is an important step to obtaining accurate results on your Orion benchtop or portable pH meter. Before beginning the calibration process, ensure that you are utilizing freshly poured, non-expired calibration buffers to help ensure accurate results. Follow the steps below to calibrate your pH meter.

• Prepare the calibration solutions: Obtain at least two pH reference solutions with known pH values. Ideally, use one solution close to the expected pH of your sample, and another solution at a different pH value. Ensure that the solutions are fresh and have not expired.
• Clean the electrode: Rinse the electrode with distilled or deionized water to remove any debris or contaminants. If necessary, gently wipe the electrode with a soft cloth or tissue.
• Turn on the pH meter: Power on the pH meter and allow it to warm up, if needed.
• Immerse the electrode: Immerse the electrode into a beaker containing the first calibration solution. Ensure that the electrode is fully submerged and that it is not touching the sides or bottom of the beaker.
• Allow stabilization: Allow the pH reading to stabilize. This may take a few moments, depending on the specific meter and solution being used. The reading should become steady and remain constant.
• Adjust the pH value: Using the calibration controls on the pH meter, adjust the reading to match the known pH value of the calibration solution. Reference the user manual for specific guidance on adjusting the pH.
• Rinse the electrode: After calibration, rinse the electrode with distilled or deionized water to remove any residual calibration solution.
• Repeat calibration: Repeat the calibration steps with the second calibration solution, following the same process as before.
• Verify accuracy: After calibration, it is recommended to check the pH meter's accuracy by measuring a pH solution of known value. This can help ensure the reliability of your measurements.

To learn more about pH meter calibration, download our technical note: Understanding Calibration of Laboratory pH Systems. See a live calibration by watching our video: Understanding Calibration of Laboratory pH Systems.

How do I perform an analysis using Orion pH meters?

Before beginning an analysis on your Orion benchtop or portable pH meter, assemble your materials. You will need a pH electrode suitable for your application, calibration buffer solutions, and a test sample. Follow the steps below to obtain your pH analysis.

• Calibrate the pH meter: Start by calibrating your pH meter using the calibration buffer solutions. Typically, you will need pH 4, pH 7, and pH 10. Be sure to reference the user manual for instructions on how to properly calibrate your pH meter.
• Prepare your sample: Ensure that your sample is at the desired temperature (most frequently room temperature). If necessary, filter the sample to remove any particles or impurities that could impact the pH reading.
• Immerse the electrode: Dip the pH electrode into the sample. Avoid touching the sides or bottom of the container to prevent inaccurate readings.
• Allow for stabilization: Give the pH meter some time to stabilize and reach a steady reading. This may take a few seconds to a minute depending on your meter and the characteristics of the sample.
• Record the pH value: Once the pH meter stabilizes, record the pH value displayed on the meter. If applicable, also record the temperature value.
• Rinse the electrode: After each measurement, rinse the electrode with distilled or deionized water to remove any residue or contaminants. This helps ensure accurate subsequent readings.
• Repeat (if necessary): If you need to analyze multiple samples, repeat the process with each sample, recalibrating the pH meter if required.

To learn more about how to perform a pH analysis, watch our video:Measuring Drinking Water Using the Orion Versa Star Pro Bench Meter

How do I choose an Orion pH electrode for my application?

When choosing an Orion pH electrode for your application there are many factors to consider. Sample type, container dimensions, accuracy/ precision requirements, junction design, durability, maintenance, and meter compatibility are all key features to evaluate.
To learn more about how to choose the right electrode for your application, watch our videos: How to Choose the Right pH Electrode and Understanding Your Sample to Select the Right pH Electrode
What supplies do I need to perform an analysis with Orion pH meters?

To perform an analysis using Orion benchtop and portable pH meters, you will need the following supplies: pH electrode (or micro electrode for small sample volumes/ containers), calibration buffer solutions, distilled or deionized water, sample containers, stirrer probe (optional), and electrode cleaning solution(s) (s). For your convenience, our all-in-one pH buffer kits can be purchased, which include pH buffers (4.01 pH, 7.00 pH, and 10.01 pH), electrode cleaning solution, and electrode and storage solution.
How are Orion pH meters powered?

Orion benchtop and portable pH meters are powered differently to meet the needs of your testing environment. Orion portable pH meters are powered by four (4) AA batteries (included), or a universal AC adapter (sold separately). Orion benchtop pH meters are powered by an AC adapter typically consisting of a universal 100-240 V 50/60 Hz power supply and include interchangeable wall plugs for US/Japan, Europe, UK/Singapore, Australia/New Zealand and China outlets.
Are Orion pH meters splash and dustproof?

Orion benchtop and portable pH meters are designed to be splash and dustproof. They are built with durable materials containing protective features to help ensure reliable performance. Our portable meters are IP-67 rated to protect against splashes, dust and limited immersion. Our benchtop meters are IP-54 rated to protect against splashes and dust. Please note that while our pH meters are resistant to splashes and dust, they are not fully waterproof. Reference the user manual for additional details regarding proper usage and maintenance.
What additional measurement parameters are available on Orion pH meters?

Orion benchtop and portable multiparameter meters offer the ability to measure additional parameters beyond pH. Dependent upon the meter model selected, users can also monitor conductivity, dissolved oxygen (DO), ion concentration and more.
To shop the full range of Orion electrochemistry meters, click here
How many measurement channels are available on Orion pH meters?

Orion benchtop and portable pH meters come with a variety of measurement channel options designed to support your needs. Choose from as little as one (1) measurement channel for more streamlined applications, to as many as four (4) measurement channels for more complex workflows where multi-parameter or concurrent analysis is a requirement.
To shop Orion multiparameter electrochemistry meters, click here
How accurate are Orion pH meters?

The pH accuracy on Orion benchtop and portable pH meters varies upon the meter model selected. Generally, Orion pH meters offer a range of ±0.002 to 0.01. Be sure to check instrument specifications to ensure your desired pH accuracy can be achieved.
To learn more about how to get accurate pH measurements, watch our video: 7 Common Mistakes When Measuring pH
What is the pH range on Orion pH meters?

The pH range on Orion benchtop and portable pH meters varies upon the meter model selected. Generally, Orion pH meters offer a range of -2.000 to 20.000 pH. Be sure to check instrument specifications to ensure your desired pH range is covered.
To learn more about how to get accurate pH measurements, watch our video:7 Common Mistakes When Measuring pH
How do I choose between an Orion benchtop or portable pH meter?

When choosing between an Orion benchtop or portable pH meter, consider factors such as portability needs, measurement capabilities, accuracy requirements, desired features, and budget constraints. Our portable meters offer convenience for field use, while our benchtop meters provide higher accuracy and contain a more robust feature offering. Consider your specific application needs before selecting a pH meter.
To learn more on how to choose between a benchtop or portable pH meter, watch our videos: How to Choose a Benchtop pH Meter and How to Choose a Portable pH Meter

What applications can benefit from pH analysis?

pH analysis is beneficial to a wide range of applications across various industries and scientific fields. Some key applications that can benefit from pH analysis include environmental monitoring, municipal water treatment, agriculture, food and beverage, industrial processes, pharmaceutical, healthcare and scientific research.
Browse our Water Quality Resource Library to learn more via application notes, technical notes, videos and more.
How does a pH meter work?

A pH meter uses electrochemistry to measure the acidity or alkalinity of a sample. It consists of a glass electrode and a reference electrode that measure the sample and perform the analysis. The glass electrode is sensitive to hydrogen ions (H+) in a sample. When the glass electrode is immersed in the sample, it generates a small electrical potential based on the concentration of hydrogen ions. This potential is then measured and compared to the potential of the reference electrode, which provides a stable reference point. The difference in potentials between the two electrodes is then used to calculate the pH and displayed as a reading on the meter.
To learn more about pH analysis, download our eBook: pH Measurement Handbook.
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