Vaisala PTU300 Manuel d'utilisateur

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PTU300 Combined Pressure, Humidity and
Temperature Transmitter for Demanding Applications
One Transmitter, Three
Measurements
The Vaisala Combined Pressure,
Humidity and Temperature
The Vaisala PTU300 Combined Pressure, Humidity and Temperature Transmitter is a
versatile, multi-purpose instrument.
over four years of measured history,
and zoom in on any desired time or
time frame. The battery backup of the
real-time clock guarantees a reliable
logging of measured data.
The display alarm allows tracking of
any measured parameter, with a freely
configurable low and high limit.
Data Collection and
(Wireless) Transfer to PC
The recorded measurement data
can be viewed on the display or
transferred to a PC with Microsoft
Windows
®
software. The transmitter
can also be connected to a network
with an optional (W)LAN interface,
which enables a (wireless) Ethernet
connection.
A USB-RJ45 cable makes it easy
to connect the service port of the
PTU300 to a PC. PTU300 is also
capable in applying the MODBUS
communication protocol and together
with an appropriate connection
option provides either MODBUS
RTU (RS485) or MODBUS TCP/IP
(Ethernet) communication.
Flexible Calibration
A quick, one-point field calibration
for humidity can easily be done using
the Vaisala Hand-Held Humidity Meter
HM70.
Serial Communication
The PTU300 comes with a standard
RS-232 serial interface. The output
format is compatible with major GPS
receivers and NMEA coded messages.
RS-485 is available as an option.
Outdoor Installation Kit
The optional HMT330MIK Installation
Kit is available for outdoor installation.
It provides reliable measurements for
meteorological purposes.
Features/Benefits
Barometric pressure, humidity
and temperature measurement
in one transmitter
Available with two barometric
pressure sensors – added
reliability
RS-232C serial interface with
NMEA protocol for GPS use
Optional display, RS-485,
analog output, and relay
Optional power supply module
NIST traceable calibration
HMT330MIK Installation kit for
outdoor use
Applications include
environmental monitoring
in calibration laboratories,
GPS meteorology: estimating
precipitable water vapor in the
atmosphere; weather stations
MODBUS protocol support
(RTU/TCP)
Transmitter PTU300 measures
barometric pressure in two accuracy
classes, humidity, and temperature.
You can choose which probe
best suits your needs: PTU301 for
laboratories, PTU303 for outdoor
use, the warmed PTU307 probe for
demanding meteorology, and PTU30T
for pressure and temperature only.
Vaisala Proven Sensor
Technology
The PTU300 transmitter uses
sensors known for their high
accuracy and excellent long-term
stability: the Vaisala BAROCAP
®
is
used for pressure measurement and
the Vaisala HUMICAP
®
for humidity
measurement. The temperature
sensor is a platinum RTD sensor.
Graphical Trend Display
The PTU300 series features a large
numerical and graphical display,
allowing users to easily monitor
operational data, measurement trends
and 1-year measurement history. The
optional data logger with real-time
clock makes it possible to generate
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Résumé du contenu

Page 1 - Features/Benefits

www.vaisala.comPTU300 Combined Pressure, Humidity and Temperature Transmitter for Demanding ApplicationsOne Transmitter, Three MeasurementsThe Vaisal

Page 2 - PTU300 Models

PTU300 ModelsPTU301 for wall mounting12 (0.47) 120 (4.72) PTU303 for outdoor usePTU301 short cable probe37.5 (1.48) 78.5 (3.09) 98.5 (3.88) Ø 1

Page 3

PTU300 ModelsPTU307 warmed probe for demanding meteorological installations37.5 (1.48) 79.5 (3.13) 99.5 (3.92) M9x1 Ø 12 (0.47) Ø 3.2 (0.13) Ø

Page 4 - Technical Data

PerformanceBAROMETRIC PRESSUREPressure range 500 ... 1100 hPa, 50 ... 1100 hPaAccuracy 500 ... 1100 hPa 500 ... 1100 hPa 50 ... 1100 hPa CLASS A CLASS

Page 5 - Please contact us at

MechanicsCable bushing M20 x 1.5 for cable diameter 8 ... 11 mm/0.31 ... 0.43"Conduit fitting 1/2" NPTUser cable connector (optional) M12 s

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