The testo 425 is a hot-wire anemometer that measures wind speed, air temperature and air volume. The probe extends up to 820 mm, making it ideal for measurements at heights and large diameter ducts. It excels at measuring low wind speeds (~5 m/s) and maintains a resolution of 0.01 m/s over the entire measurement range. Since the wind speed value is automatically corrected based on the measured value of the built-in barometric pressure sensor, correction calculation after measurement is unnecessary.
Air velocity/air volume in ventilation duct, Air velocity/air volume at outlet, Air filter performance test, Air current in air environment measurement (Building Sanitation Act, etc.), Air velocity in exhaust system (Periodical self-inspection of local exhaust system), Smoking room Airflow (Revised Health Promotion Law)
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TESTO 425 with wind speed and temperature calibration documents
#Grup produk P113737998
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Authorized Partner
Spesifikasi
| Accuracy | ±0.5°C, ±(0.03 m/s + 4.0% of measured value) (0.01 to +20 m/s) |
|---|---|
| Battery | 3XAA |
| Battery Life | 35H |
| Cable Length (m) | 1.5 |
| Diameter (mm) | Probe shaft: 7.5 |
| Dimensions (mm) | 135x60x28 |
| Housing | ABS + PC/TPE |
| Included Accessories | Case, dry cell battery, shipping inspection certificate, calibration certificate and test report, traceability system diagram, standard instrument certificate (copy) |
| Mass (g) | 268 |
| Measuring Range | -20 ~ +70 °C, 0.01 ... +20 m/s |
| Operating Temperature (°C) | -20 to +50, Probe: -20 to +70 |
| Probe Length (mm) | 180 |
| Protection Class | IP40,IP20 |
| Resolution | 0.1 °C,0.01 m/s |
| Storage Temperature (°C) | -20 ~ +50 |
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