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Thermo Scientific™ Orion™ Versa Star Pro™ pH/ISE/Conductivity/Dissolved Oxygen Multiparameter Benchtop Meter with Modules
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Specifications:
| Application | Water Quality Analysis, Electrochemistry | Warranty | 1 Year |
| Storage Temperature | Ambient | ||
| Product Type | Benchtop meters | ||
| Product Brand | Thermo Fisher Scientific™ | ||
| Product Grade | Analytical grade | ||
The Thermo Scientific™ Orion™ Versa Star Pro™ Multiparameter Benchtop Meters offer advanced functionality, unmatched flexibility, and research-grade accuracy for complex electrochemical testing. Designed for laboratories that require precision across pH, ion concentration (ISE), conductivity, resistivity, salinity, TDS, and dissolved oxygen (DO) measurements, these meters are ideal for high-throughput, regulatory, academic, and industrial applications.
Built on a modular platform, each Versa Star Pro meter includes four customizable channels. With plug-and-play measurement modules, users can tailor the instrument to their specific needs. These meters support powerful data management, system access control, real-time measurement stability, and multiple calibration modes to streamline analytical workflows and ensure data integrity.
Key Features and Benefits
- Multiparameter Capability: Measure pH, mV, ORP, ISE, conductivity, TDS, salinity, resistivity, and DO (RDO or polarographic)
- Modular System Design: Customize up to four channels with interchangeable measurement modules
- Advanced Read Modes: Auto-Read, Continuous, Timed, and Single-Shot modes with stability indicators
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Powerful Data Management:
- Log up to 2000 data sets with time/date stamp
- View up to 30 calibration records per parameter
- Export via USB or RS232
- Onscreen Calibration and Setup Assistance: Guided instructions in 8 languages
- Secure Access: Password protection with admin-level and user-level system control
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Multiple Calibration Options:
- pH: Up to 6-point with buffer recognition
- ISE: Up to 6-point with user-selectable units (ppm, M, mg/L, %, ppb)
- DO: Supports air, water, Winkler, or zero-point calibration
- Conductivity: Up to 6-point with linear and non-linear compensation
- Compatible with Optical (RDO) and Polarographic DO Probes
- Color LCD Display: Large, customizable graphic interface
- IP54 Rated Housing: Splash- and dust-resistant
- 3-Year Warranty: For meter and installed modules
Model Comparison Table
| Model | Description | Includes |
|---|---|---|
| VSTAR90 | Base meter with pH/ISE, conductivity, and DO modules | Modules only; no sensors included |
| VSTAR91 | Meter with two pH/ISE modules, conductivity, and DO modules | Ideal for labs needing simultaneous pH/ISE dual-channel functionality |
| VSTAR92 | Full meter kit with sensors and accessories (polarographic DO) | Includes 8157BNUMD ROSS Ultra pH/ATC electrode, 013005MD DuraProbe, 083005MD DO probe, stirrer, buffers, kits |
| VSTAR93 | Full meter kit with dual pH/ISE modules and polarographic DO probe | Adds dual-channel pH/ISE functionality with full accessory set |
| VSTAR94 | Full meter kit with RDO (optical) DO sensor | Includes 087010MD RDO sensor in place of polarographic probe |
Technical Specifications
| Measurement Modes | pH, mV, ORP, ISE, Conductivity, TDS, Salinity, Resistivity, DO (RDO/Polarographic), Temperature |
|---|---|
| pH Range / Accuracy / Resolution | -2 to 20 / ±0.002 / 0.001, 0.01, 0.1 |
| ISE Range / Accuracy | 0.0001 to 19990 (ppm, M, mg/L, %, ppb) / ±0.2 mV or ±0.05% |
| Conductivity Range / Accuracy | 0.001 µS/cm to 3000 mS/cm / ±0.5% of reading |
| TDS Range | 0.001 ppm to 200.0 ppt, auto-ranging |
| Salinity Range | 0.06 to 80.00 psu, 0.05 to 42.00 ppt |
| Resistivity Range | 2 ohm to 100.0 MΩ |
| DO Range (Polarographic) | 0.00 to 90.00 mg/L, 0.0 to 600% saturation |
| DO Range (RDO Optical) | 0.00 to 50.00 mg/L, 0.0 to 500% saturation |
| DO Accuracy (Polarographic) | ±0.2 mg/L or ±2% |
| DO Accuracy (RDO Optical) | ±0.1 mg/L up to 8 mg/L, ±0.2 mg/L (8–20 mg/L), ±10% (20–50 mg/L) |
| Temperature Range | -5°C to 105°C |
| Temperature Accuracy | ±0.1°C |
| Calibration Points | pH, ISE, DO, Conductivity: Up to 6-point calibration |
| Data Logging Capacity | 2000 points + 30 calibration logs per parameter |
| Outputs | USB (2), RS232 |
| Power Supply | 100–240V AC adapter, 9VDC input |
| Dimensions | 28 × 24 × 10 cm; modules add ≤2 cm |
| Weight | 1.2 kg base (modules add 0.2 kg each) |
| Certifications | CE, TUV 3-in-1, FCC Class A |
| IP Rating | IP54 |
Applications
- Environmental Monitoring: Water quality testing for pH, nitrate, fluoride, salinity, conductivity, and DO
- Food & Beverage Quality Control: Acid/base balance, salinity, and oxygen control in production processes
- Pharmaceutical Manufacturing: In-process quality assurance and water system monitoring
- Clinical and Academic Research: Multi-parameter experimentation and teaching in university labs
- Wastewater Treatment & Industrial Testing: pH, TDS, and DO monitoring in regulated systems
Ordering Information
| Catalog Number | Description | Included Accessories |
|---|---|---|
| VSTAR90 | Meter with all three modules (no sensors) | Electrode stand, cables, power supply, software |
| VSTAR91 | Dual pH/ISE module meter + conductivity, DO | As above |
| VSTAR92 | Full meter kit with polarographic DO probe | pH electrode, DO probe, conductivity sensor, accessories |
| VSTAR93 | Dual pH/ISE + full accessories (polarographic DO) | As above |
| VSTAR94 | Full kit with RDO (optical) sensor | Includes optical DO sensor and full calibration accessories |
The Thermo Scientific™ Orion™ Versa Star Pro™ Multiparameter Benchtop Meters deliver premium flexibility, high accuracy, and advanced data control for labs performing multi-ion and electrochemical testing. Whether you're measuring pH, ISE, conductivity, salinity, or DO, the modular design and complete kits make Versa Star Pro an essential platform for reliable and scalable electrochemical analysis.
- Module: Meter with pH/ISE/mV Modules (pH/ISE module, conductivity module, RDO/DO module, electrode stand & Accessories) Meter with pH/ISE/mV/Temp. Modules (pH/ISE module, conductivity module, RDO/DO module, ROSS pH/ATC electrode, DuraProbe 4-cell (K=0.475) conductivity sensor, Orion DO sensor, stirrer probe, ROSS pH buffer and solution kit, Orion 1413μS conductivity standard, DO maintenance kit, BOD adapter/funnel/stirrer, electrode stand & Accessories) meter kit with pH/ISE/mV module, conductivity/TDS/salinity/resistivity module, RDO/DO module, ROSS pH/ATC electrode, DuraProbe 4-cell conductivity sensor, RDO optical DO sensor, stirrer probe, solutions and stand Meter with 2 pH/ISE/mV Modules & Accessories Meter with 2 pH/ISE/mV/Temp. Modules with electrodes and standards