Active Member
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[China]
Address: No.29, Heshun RD,Suzhou Industrial Park,Suzhou ,Jiangsu Province,China
Contact name:Jenny
Suzhou Norda Cleaning Tech Co.,LTD |
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Testo 425 is a kind of instrument to measure air velocity and temperature.
Summary
The compact testo 425 anemometer with permanently attached thermal
flow probe (probe head Ø 7.5 mm) incl. telescopic handle. Volume
flow is shown directly in the display. Accurate volume flow
calculation thanks to easy input of duct area. In addition, it is
also possible to switch to the current temperature reading. Timed
and multi-point mean calculation provide information on mean volume
flow, flow speed and temperature reading. Min/max values can also
be shown in the display. The Hold function makes it possible to
freeze current readings in the display.
Features
Specification
| Storage temperature | -40 to +85 °C |
| Operating temperature | -20 to +50 °C |
| Battery type | 9V block battery, 6F22 |
| Battery life | 20 h |
| Weight | 285 g |
| Dimensions | 182 x 64 x 40 mm |
| Material/Housing | ABS |
| Probe - NTC | |
| Meas. range | -20 to +70 °C |
| Accuracy | ±0.5 °C (0 to +60 °C) ±0.7 °C (remaining range) |
| Resolution | 0.1 °C |
| Probe - Thermo | |
| Meas. Range | 0 to +20 m/s |
| Accuracy | ±(0.03 m/s +5% of mv) |
| Resolution | 0.01 m/s |
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