PR235 vs Fluke 726: True Comparison of Calibrators, Pros and Cons Revealed
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Published time: 2025-08-15
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Accurate temperature and pressure measurements are essential for quality and safety in industrial production and laboratories. PR235 and Fluke 726 are two widely used high-performance calibrators, but they differ in functionality, precision, user experience, and cost-effectiveness. This article provides a practical comparison to help users make informed decisions when selecting a calibrator.
1. Product Overview
PR235 Calibrator
Supports temperature, pressure, and multi-channel signal calibration
High-precision sensors suitable for lab and field use
Built-in standard curves for direct temperature and pressure measurements
Fluke 726 Calibrator
Designed for temperature and electrical signal calibration
Compatible with thermocouples, RTDs, and pressure modules
Intuitive interface with automatic data logging and export
2. Feature Comparison
| Feature | PR235 | Fluke 726 |
|---|
| Calibration Type | Temperature, Pressure, Multi-channel | Temperature, Thermocouples, RTD, Pressure (with module) |
| Accuracy | High-precision sensor, ≤0.05% | High, standard ±0.03% (temperature) |
| Data Logging | Supports batch export | Auto log, export via USB |
| User Interface | Color LCD, feature-rich but complex | Intuitive and easy to use |
| Expandability | Flexible multi-channel and curves | Requires modules for different measurements |
| Battery Life | ~8 hours | ~6 hours |
| Portability | Medium, suitable for lab or field | Lightweight, convenient for mobile use |
3. Pros and Cons Analysis
PR235 Advantages
Multi-channel support, efficient for batch calibrations
High-precision sensors ideal for high-demand labs
Rich functionality with strong expandability
PR235 Disadvantages
Complex interface requiring training
Slightly heavy, less convenient for field portability
Higher cost
Fluke 726 Advantages
Simple, intuitive interface for quick operation
Highly portable, ideal for on-site calibration
Reliable brand with solid after-sales support
Fluke 726 Disadvantages
Less flexible for multi-channel or expanded applications
Requires additional modules for pressure or special signal calibration
Slightly shorter battery life
4. Practical Comparison Insights
Temperature Calibration: Both meet ±0.05℃ precision. PR235 is more efficient for multi-point batch calibration.
Pressure Calibration: PR235 provides built-in pressure curves, while Fluke 726 requires a pressure module, adding setup time.
Data Handling: Fluke 726 automatically generates calibration reports for fast recording. PR235 supports batch export, better for post-analysis and quality management systems.
5. Conclusion
Choose PR235 for multi-channel, batch calibration, and high-precision lab applications.
Choose Fluke 726 for simple operation, portability, and rapid on-site calibration.
Selection should consider calibration type, accuracy requirements, and operational environment.
