Vaisala PTU300 User's Guide Page 19

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Chapter 2 __________________________________________________________ Product Overview
VAISALA _______________________________________________________________________ 17
CHAPTER 2
PRODUCT OVERVIEW
This chapter introduces the features, advantages, and the product
nomenclature of the Vaisala Combined Pressure, Humidity and
Temperature Transmitter PTU300.
Introduction to PTU300
The PTU300 transmitter provides reliable pressure measurement in a
wide range of applications. Analog outputs can be chosen between
current and voltage signals. Alternatively, digital outputs RS-232
(standard) or RS-422/485 (optional) can be selected. A local display is
also available. The quantities measured and calculated by PTU300 are
presented in Table 4 on page 19. The quantities available as an option are
presented in Table 5 on page 19.
The PTU300 transmitter combines three measurement parameters:
pressure, temperature and humidity. The applications of the PTU300
range from calibration laboratory environmental condition monitoring to
laser interferometer active wavelength compensation and GPS
meterorological measurements.
The PTU300 transmitter is available with one or two pressure
transducers. The PTU301, PTU303 and PTU307 probes are available for
the PTU300 transmitter.
In outdoor applications it is recommended to use the HMT330MIK
mounting kit with the PTU300 transmitters.
Basic Features and Options
- Pressure redundancy option: 2 sensors in one unit
- Two accuracy classes for pressure measurement
- Several probes for various applications
- A 3 h trend and tendency available in pressure measurement
- Calculated output quantities available
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