|
Quantity
|
Cost
|
||
|
|
|||
|
|
|||
Product Data Sheet PDF | Instruction Manual PDF | Software Manual PDF
Description
The Testo 521-1 differential pressure measuring instrument is engineered for high-precision diagnostic tracking within air conditioning and ventilation systems. Equipped with an internal temperature-compensated piezoresistive sensor achieving an accuracy of 0.2% of fsv, this professional device supports advanced calculations of flow velocity and volume flow via an optional Pitot tube. Featuring dual probe inputs for external pressure or temperature sensors, a high-speed data acquisition rate of 0.04 seconds, and a 25,000-value internal memory, it is fully optimized for rigorous industrial aerodynamic profiling.
Industrial Applications
- Evaluating precise pressure drop parameters across heavy-duty industrial filtration units
- Aerodynamic performance testing and monitoring of commercial ventilation fans and extractor ducts
- High-velocity process air profiling within commercial ducts utilizing advanced Pitot tube sensors
Technical Specifications
| Parameter | Value |
| Internal Sensor Range | 0 to 100 hPa |
| Internal Sensor Accuracy | ±0.2 % of fsv |
| External Probe Support | Up to 2000 hPa (Piezoresistive) / 400 bar (Ceramic) |
| Temperature Channels | NTC (-40 to +150 °C) / TC Type K (-200 to +1370 °C) |
| Data Logging Memory | 100 kB (Up to 25,000 measuring values) |
| Measuring Cycle Rate | 0.04 s |
Package Contents
- Testo 521-1 differential pressure instrument
- 9 V block battery
- Calibration protocol