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Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop pH Meter with modules
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pH, mV, Relative mV, ORP with Temperature
Specifications:
| Application | Electrochemistry | Warranty | 1 Year |
| Storage Temperature | Ambient | ||
| Product Type | Benchtop meters | ||
| Product Brand | Thermo Fisher Scientific™ | ||
| Product Grade | Analytical grade | ||
Modular, High-Accuracy pH Measurement Systems for Advanced Laboratory Applications
The Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop pH Meters offer premium flexibility and high-performance electrochemical measurement capabilities for laboratories requiring precise pH, mV, ORP, and temperature analysis. Designed for demanding applications across environmental, pharmaceutical, academic, industrial, and food laboratories, the Versa Star Pro meters combine a modular platform with a full suite of data logging, calibration, and customization features.
Available in three kit formats, each meter includes the core Versa Star Pro base unit and pre-installed pH measurement module. Additional kits include specialized electrodes and accessories for challenging sample matrices (VSTAR13) and TRIS buffer compatibility (VSTAR12).
Key Features and Benefits
- Customizable Modular Design: Accepts up to four measurement modules, allowing the system to grow with your lab's changing needs
- Color Graphic Display: Large, backlit LCD with customizable text size and intuitive navigation
- Smart Measurement Modes: Auto-Read, Timed, Continuous, and Single-Shot read modes for flexible data acquisition
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Advanced Data Management:
- Store up to 2,000 data points with date/time stamp
- Maintain a calibration log with the 30 most recent calibrations
- Non-volatile memory preserves data and settings even after power loss
- Easy Data Transfer: USB and RS232 outputs for connection to computers or printers
- Secure System Access: Optional password protection for up to 10 users with admin control
- Stirrer Probe Support: Compatible with up to two meter-controlled stirrers for consistent sample mixing
- IP54 Rated Housing: Splash- and dust-resistant design suitable for bench or wall mounting
- Multilingual Interface: Supports English, Spanish, French, German, Italian, Chinese, Portuguese, and Korean
- Warranty: 3-year coverage for both meter and installed module
Model Comparison
| Model | Description | Includes |
|---|---|---|
| VSTAR10 | Standard Meter | Versa Star Pro meter with pH module, electrode stand, power adapter, USB cable |
| VSTAR12 | TRIS-Compatible Kit | Includes 8302BNUMD ROSS Ultra Triode pH/ATC electrode, stirrer probe, pH buffer kit, accessories |
| VSTAR13 | Difficult Samples Kit | Includes 8172BNWP ROSS Sure-Flow pH electrode, ATC probe, stirrer, pH buffer kit, accessories |
Technical Specifications (All Models)
| Attribute | Specification |
|---|---|
| Measurement Modes | pH, mV, Relative mV, ORP with Temperature |
| pH Range | -2.000 to 20.000 |
| pH Resolution | 0.001, 0.01, or 0.1 |
| pH Accuracy | ±0.002 |
| ORP Range | ±2000.0 mV |
| mV Accuracy | ±0.2 mV or ±0.05% of reading, whichever is greater |
| Temperature Range | -5°C to 105°C |
| Temperature Resolution | 0.1°C / 0.1°F |
| Temperature Accuracy | ±0.1°C |
| Calibration Points | 1 to 6 with calibration editing option |
| Electrode Inputs | BNC, pin-tip, MiniDIN (ATC), 2 × stirrer probe |
| Display | Full-color graphic LCD with customizable display options |
| Memory Capacity | 2,000 data points + 30 calibration records per parameter |
| Outputs | USB, RS232 |
| Power Supply | 100–240 V AC universal adapter (included) |
| IP Rating | IP54 (dust/splash-resistant) |
| Weight (Base Unit) | 1.2 kg (2.5 lb); each module adds 0.2 kg (0.5 lb) |
| Dimensions (L × W × H) | 28 × 24 × 10 cm; modules add ≤2 cm in length and height |
Applications
- Water Quality & Environmental Labs: pH and ORP monitoring in drinking water, wastewater, and natural water sources
- Pharmaceutical and Biotech QC: pH measurement in buffer systems, raw materials, and finished products
- Food & Beverage Analysis: Acid content and pH testing in juices, dairy, sauces, and fermentation processes
- Research & Academia: Multi-parameter teaching systems for electrochemical training and method development
- Clinical Testing & Industrial Monitoring: Routine calibration, documentation, and real-time process control
Ordering Information
| Catalog Number | Description | Unit Size |
|---|---|---|
| VSTAR10 | Standard pH Meter with pH module and stand | Each |
| VSTAR12 | TRIS Kit with ROSS Ultra pH/ATC electrode and stirrer | Each |
| VSTAR13 | Difficult Samples Kit with ROSS Sure-Flow electrode | Each |
The Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop pH Meters provide unmatched flexibility, precision, and ease of use for pH, mV, ORP, and temperature measurements. Whether you choose the standard meter, the TRIS buffer-compatible kit, or the difficult sample solution, Versa Star Pro meters offer a modular, future-ready platform with powerful data handling, user security features, and seamless integration into modern laboratory workflows.
- Module: meter with pH module, electrode stand & Accessories Meter with Difficult Samples Kit ( pH module, ROSS pH electrode, stainless steel ATC probe, stirrer probe, pH buffer kit, electrode stand & Accessories) Meter with TRIS Kit (pH module, ROSS pH/ATC electrode, stirrer probe, pH buffer kit, electrode stand & Accesories)