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Product Data Sheet PDF | Instruction Manual PDF | Software Manual PDF
Description
The Testo 526-2 high-precision differential pressure measuring instrument is specifically engineered for validating and auditing sensitive industrial manufacturing processes. Outfitted with an internal, temperature-compensated piezoresistive sensor, it achieves an outstanding measurement accuracy of ±0.05% of final value within a range of 0 to 2000 hPa. Designed for container tightness testing and structural leak tracking, the instrument features a dedicated test menu, a fast 0.04-second sampling cycle, and an internal memory module holding up to 25,000 readings mapped across 99 individual test locations.
Industrial Applications
- High-accuracy tightness testing and leak logs on industrial pressure containers and tanks
- Monitoring critical differential pressure conditions in pharmaceutical and high-tech process engineering
- Calibrating automated plant instrumentation lines using dual probe inputs for external pressure and temperature sensors
Technical Specifications
| Parameter | Value |
| Internal Sensor Range | 0 to 2000 hPa |
| Internal Sensor Accuracy | ±0.05 % of fsv |
| Resolution | 0.1 hPa |
| Data Logging Memory | 100 kB (Up to 25,000 measuring values across 99 locations) |
| Measuring Rate Cycle | 0.04 s to 24 h (user-selectable) |
| External Probe Support | Up to 2000 hPa (Piezoresistive) / 400 bar (Ceramic) |
Package Contents
- Testo 526-2 high-precision differential pressure instrument
- 9 V block battery
- Calibration protocol