Chapter 3 _______________________________________________________________ Installation
VAISALA _______________________________________________________________________ 39
PTU303 for General Use
The PTU303 is a small size (d=12mm) probe for general use, up to
+80°C (+176°F). The probe is suitable for weather stations,
environmental compensations, laser interferometers and test benches.
It is suitable for ducts and channels with the installation kit available
from Vaisala.
The PTU303 provides for two measuring range options. The first
probe version is equipped with a flexible cable and can be used when
measuring in environments up to 80 ºC. The second version is suitable
for measuring in environments up to 120 ºC.
See Appendix A on page 157 for the following probe installation kits
for PTU303 and installation examples.
- Duct mounting kit
- Cable gland.
PTU307 for High Humidities
The PTU307 is for environment where relative humidity is very high,
near saturation. It is suitabale for temperatures up to +180°C
(+356°F). The warmed probe head prevents the saturation of the
sensor. An additional temperature probe is also available.
See Appendix A on page 157 for a presentation of the following probe
installation kits for PTU307 with installation examples:
- Duct mounting kit
- Cable gland
- Pressure tight Swagelok connector
- Vaisala's Meteorological Installation kit
The installation kits are available for both humidity and temperature
probe.
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