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126
PTB330 Digital Barometer for Professional
Meteorology, Aviation, and Industrial Users
Vaisala BAROCAP
®
Digital Barometer
PTB330 is a new generation
barometer, designed for a wide
range of high-end atmospheric
pressure measurement. The pressure
measurement of the PTB330 is based
on the Vaisala in-house, silicon
Vaisala BAROCAP
®
Digital Barometer PTB330 with a new trend display.
capacitive, absolute pressure sensor
- the Vaisala BAROCAP
®
Sensor. It
provides high measurement accuracy
and excellent long-term stability.
Highly Accurate
The PTB330 series is highly accurate.
The Class A barometers for the
most demanding applications are
fine-tuned and calibrated against a
high-precision pressure calibrator.
Class B barometers are adjusted and
calibrated using electronic working
standard. All the PTB330 barometers
come with a NIST traceable, factory
calibration certificate.
Reliability Through
Redundancy
According to customers’ choice, the
PTB330 can incorporate one, two
or three BAROCAP
®
sensors. When
two or three sensors are used, the
barometer continuously compares
the readings of the pressure sensors
Features/Benefits
▪
Vaisala BAROCAP® sensor
▪
Accurate measurement
▪
Excellent long-term stability
▪
Added reliability through
redundancy
▪
Graphical trend display with
1-year history data
▪
Height and altitude corrected
pressure (QFE, QNH)
▪
For professional meteorology
and aviation, laboratories,
demanding industrial
applications
against one another and provides
information on whether these are
within the set internal difference
criteria. This unique feature
provides redundancy in pressure
measurement.
Thus, users also get a stable and
reliable pressure reading at all times
as well as a pre-indication of when to
service or recalibrate the barometer.
QNH and QFE
The PTB330 can be set to
compensate for QNH and QFE
pressure used especially in aviation.
The QNH represents the pressure
reduced to sea level, based on the
altitude and temperature of the
observation site. The QFE represents
the height corrected pressure of
small differences in altitude, for
example, the air pressure at the
airfield elevation.
Graphical Display
The PTB330 features a multi-lingual,
graphical display allowing users to
monitor measurement trends. The
graph is updated automatically while
measuring and it provides a one-year
measurement history. In addition to
instant pressure, the PTB330 also
provides the WMO pressure trend
and tendency codes.
Applications
The PTB330 can be used successfully
for aviation, professional
meteorology, and for demanding
industrial pressure measurement
applications such as accurate laser
interferometric measurement and
exhaust gas analysis in engine test
benches.
- HUMIDITY / DEW POINT / 1
- PRESSURE / WEATHER 1
- ACC URATE 2
- Humidity 4
- Dew Point 4
- Mounting Options 9
- Graphical Display of 10
- History and 10
- Measurement Trends 10
- Outputs and Power Supply 10
- Options for Every Need 10
- Flexible Installation 11
- For Moderate Humidities 11
- Vaisala HUMICAP® 12
- Performance 12
- Measurement Trends and 12
- Real Time History 12
- 41 (1.6) 13
- 51 (2.0) 13
- 192 (7.56) 13
- 253 (9.96) 13
- 37.5 (1.48) 14
- 79.5 (3.13) 14
- 99.5 (3.92) 14
- Temperature Transmitters 16
- HMP361 for wall mounting 17
- HMP363 for confined spaces 17
- HMP364 for high pressure 17
- HMP365 for high temperature 18
- HMP367 for high humidities 18
- HMP368 for pressurized 18
- Transmitter 22
- Interchangeable Probe 24
- Fast, On-Site Calibration 26
- Measures both Humidity 26
- Resistant to Chemicals 28
- Vaisala INTERCAP 30
- Humidity and Temperature 30
- Transmitter Series HMW80 30
- HVACApplications 32
- Demanding Applications 34
- Unique Warmed Probe 34
- Vaisala HUMICAP® Sensor 34
- Chambers 36
- Probe HMP60 38
- Vaisala HUMICAP 40
- Probe HMP110 40
- Three Probes 42
- MI70 Link 42
- Reliable and Cost-ecient 47
- HVAC Products 47
- Fast and Easy-to-Use 48
- HMK15 Humidity Calibrator 50
- DTR500 Solar Radiation 54
- Versatile Outputs and 61
- (Wireless) Data Collection 61
- Easy Installation 61
- Probe Specifications 62
- Ensure dry 65
- Measure Humidity Directly 66
- DMT345, Accurate in Hot 66
- OEM Applications 70
- Low Maintenance 72
- Dewpoint temperature (°C) 75
- DMT132 Dewpoint Transmitter 76
- DEW POINT 77
- CALCULATED VARIABLES 77
- Indoor Applications 78
- 110 (4 .33) 79
- 85 (3.35) 79
- 33 (1.30) 79
- DSS70A Portable 82
- Sampling System 82
- Sampling Cells for 82
- Pressurized Processes 82
- Online Reliability 86
- Savings Across the Board 86
- Risk-Free, Greener 86
- Solution 86
- The Fruit of Experience 86
- Multiparameter Transmitter 88
- When Moisture is a Problem 89
- Knowledge is Power 89
- Literally 89
- Transmitter Series for Oil 90
- Moisture in Oil 90
- The Vaisala HUMICAP 91
- Hand-Held 91
- R1/2" ISO7/1 92
- Prevent it 95
- Transmitter for Oil 96
- Features/Benefits 100
- Technical Data 101
- 0 ... 2 % 102
- Interchangeable Probes 104
- Demanding OEM Applications 106
- GMM111 Carbon Dioxide Module 108
- Vaisala CARBOCAP 110
- Technology 110
- Two Sampling Methods 110
- Features/Benefi ts 112
- Demand-controlled Ventilation 114
- GMM112 Carbon Dioxide Module 118
- GMM20W Carbon Dioxide Module 120
- Pressure 122
- PTU300 Models 123
- Mechanics 126
- Accessories 126
- Dimensions 126
- IN CONTROLLED ENVIRONMENTS 127
- Take the Lab to the Field 130
- For more information, visit 131
- Standard PTB330TS 132
- PTB210 Digital Barometer 134
- Calculate 137
- Vaisala BAROCAP® 138
- Accuracy and Stability 138
- Applications 138
- Ideal for outdoor 140
- Carefree maintenance 140
- Operating Environment 142
- Available Options 142
- Figure 1 143
- Figure 2 with Process 143
- Valve Actuator and 143
- Test Jacks 143
- Measuring Acoustic 146
- Precipitation 146
- Wind Measurement 150
- Vaisala Service Offering 152
- Accredited Body 153
- Accredited Parameters 153
- Vaisala Filters 154
- Vaisala Filters continued 155
- Vaisala Contact Information 158
- ASIA AND PACIFIC 159
- NORTH AMERICA 159
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