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6.2.6 AP471S... Hot-wire wind speed measurement probes complete with SICRAM module
The AP471 S1 and AP471 S3 probes measure incident air flows up to 40m/s. The AP471 S2,
AP471 S4 and AP471 S5 probes are fitted with an omni directional sensor allowing measurement of
speeds up to 5m/s in any direction of the air flow incident on the probe. The AP471 S4 probe is
fitted with support base and sensor protection. The wind speed measurement is temperature
compensated within the range 0°C...+80°C.
The AP471 S1, AP471 S2 and AP471 S3 probes measure the environment temperature in the range
-25°C...+80°C; the AP471 S4 probe in the range 0°C...+80°C.
The AP472 S... modules are calibrated in the factory; no calibration is required by the user.
AP471 S4
HD32.1
The AP471 S1, S2 and S3 probes are fitted with a cylindrical
protection screen that can slide longitudinally over a groove.
The screen has two end-of-travel positions that block it in
measurement condition (completely low) or rest condition
(completely high). To reduce the space occupied when not
used, the AP471 S4 and AP471 S5 are supplied with a
protection cylinder that can be screwed on the probe's head.
AP471 S1 - AP471 S3
- 74 -
LINE OF STREAM DIRECTION
SPEED SENSOR
COMPENSATION SENSOR
AMBIENT
TEMPERATURE
SENSOR
CYLINDRICAL SLEEVE
AP471 S1
AP471 S3
AP471 S2
V2.1
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