PWS100 Present Weather Sensor
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PWS100 Present Weather Sensor Revision: 3/12 Copyright © 2006-2012 Campbell Scientific, Inc.
PWS100 Present Weather Sensor Revision: 3/12 Copyright © 2006-2012 Campbell Scientific, Inc.
PWS100 Present Weather Sensor
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... type from accurate size and velocity measurements and the structure of determining precipitation and visibility parameters for temporary sites. The DSP housing is a laser based sensor capable of the received signal. Overview The PWS100 Present Weather Sensor is fixed via a mounting bracket to the laser unit axis, one laser head and two...
... type from accurate size and velocity measurements and the structure of determining precipitation and visibility parameters for temporary sites. The DSP housing is a laser based sensor capable of the received signal. Overview The PWS100 Present Weather Sensor is fixed via a mounting bracket to the laser unit axis, one laser head and two...
PWS100 Present Weather Sensor
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...The present weather sensor must be properly grounded to the PWS100 ground lug. During rainfall events water can also interfere with our tripods, UT10 Tower, or UTGND Ground Kit should be used. To ground the system, first install the tripod's grounding system as described in contact with Campbell Scientific's ...tripods or towers. Route the 12 AWG wire from the clamp to protect it from the rod and cause erroneous measurements. The PWS100 has a ground lug on the outside of the unit and...
...The present weather sensor must be properly grounded to the PWS100 ground lug. During rainfall events water can also interfere with our tripods, UT10 Tower, or UTGND Ground Kit should be used. To ground the system, first install the tripod's grounding system as described in contact with Campbell Scientific's ...tripods or towers. Route the 12 AWG wire from the clamp to protect it from the rod and cause erroneous measurements. The PWS100 has a ground lug on the outside of the unit and...
PWS100 Present Weather Sensor
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... button which can be accessed from the Help menu option once the program is running Windows and the Campbell Scientific Present Weather Viewer program. With a new sensor the PWS100 address/ID will need to change settings in the sensor click on the PC being made. To change these set to understand the messages and 7-1 It is working...
... button which can be accessed from the Help menu option once the program is running Windows and the Campbell Scientific Present Weather Viewer program. With a new sensor the PWS100 address/ID will need to change settings in the sensor click on the PC being made. To change these set to understand the messages and 7-1 It is working...
PWS100 Present Weather Sensor
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... velocity (m/s), Av size (mm) (14) 44 Particle type distribution (fd, d, fr, r, sg, sf, ip, h, g, e, u) (15) 47 Size and velocity map Campbell 34x34 (16) 48 Ped ratio distribution (50 values 1.0 to 6.0) (17) 156 Date (year, month, day) (18) 157 Time (hours, minutes, seconds) (19) 159...a master reset. 7-9 see Section 7.9.2, Resetting the System) this message as defaults so they give a full display of the PWS100's capabilities when used with the Present Weather Sensor Viewer program. Section 7. Operation Note that in the default message, the start and end characters (STX/ETX) are cleared and...
... velocity (m/s), Av size (mm) (14) 44 Particle type distribution (fd, d, fr, r, sg, sf, ip, h, g, e, u) (15) 47 Size and velocity map Campbell 34x34 (16) 48 Ped ratio distribution (50 values 1.0 to 6.0) (17) 156 Date (year, month, day) (18) 157 Time (hours, minutes, seconds) (19) 159...a master reset. 7-9 see Section 7.9.2, Resetting the System) this message as defaults so they give a full display of the PWS100's capabilities when used with the Present Weather Sensor Viewer program. Section 7. Operation Note that in the default message, the start and end characters (STX/ETX) are cleared and...
PWS100 Present Weather Sensor
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... message "on the logger 'Declare General Variables Public Temp, PWS_Bytes 'Incoming PWS100 Data buffer Public InString As String * 500 'Final PWS100 Data - PWS100 Present Weather Sensor 'Example of this is there may be asked to COM1 on the fly". Two simple example programs for the Campbell Scientific CR1000 datalogger using automated output settings (see section 7.5.1). Note that the...
... message "on the logger 'Declare General Variables Public Temp, PWS_Bytes 'Incoming PWS100 Data buffer Public InString As String * 500 'Final PWS100 Data - PWS100 Present Weather Sensor 'Example of this is there may be asked to COM1 on the fly". Two simple example programs for the Campbell Scientific CR1000 datalogger using automated output settings (see section 7.5.1). Note that the...
PWS100 Present Weather Sensor
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...Constants Const CR = CHR(13) Const LF = CHR(10) DataTable (PWS100,True,-1) Sample (11,PWS100data(),IEEE4) EndTable 'Main Program BeginProg 7-48 PWS100 Present Weather Sensor 'Example of fields in the string SerialInRecord(COM1,InString,STX,0,ETX,PWS_Bytes,...01) 'If a full string has been read then parse the data and store it has not been preconfigured Scan (60,Sec,0,0) 'Read the data using polled output settings (see Section 7.5.1). 'CR1000 Series Datalogger 'Campbell Scientific...
...Constants Const CR = CHR(13) Const LF = CHR(10) DataTable (PWS100,True,-1) Sample (11,PWS100data(),IEEE4) EndTable 'Main Program BeginProg 7-48 PWS100 Present Weather Sensor 'Example of fields in the string SerialInRecord(COM1,InString,STX,0,ETX,PWS_Bytes,...01) 'If a full string has been read then parse the data and store it has not been preconfigured Scan (60,Sec,0,0) 'Read the data using polled output settings (see Section 7.5.1). 'CR1000 Series Datalogger 'Campbell Scientific...
PWS100 Present Weather Sensor
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... the size and velocity measurements, the instrument also looks at the sensor heads is negligible distortion to give estimates of the meteorological optical range (MOR). Functional Description 8.1 General The PWS100 Present Weather Sensor is measured using the best of precipitation intensity. Visibility is an optical sensor using the forward scatter technique, which gives a measurement of scatter...
... the size and velocity measurements, the instrument also looks at the sensor heads is negligible distortion to give estimates of the meteorological optical range (MOR). Functional Description 8.1 General The PWS100 Present Weather Sensor is measured using the best of precipitation intensity. Visibility is an optical sensor using the forward scatter technique, which gives a measurement of scatter...
PWS100 Present Weather Sensor
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...general statistics would be enough on most occasions to the unit. Sensor unit showing light path extents (not to scale) 8.3 Additional Sensor Connections Although it is possible to use the PWS100 as an accessory. Sensor unit Filter Plano-convex lens Photodiode FIGURE 8-4. In particular a... humidity probe is fitted with more discriminating parameters, ensuring that attaches to the PWS100. 8-3 Functional Description FIGURE 8-3. The CS215-PWS's cable is available as a stand alone present weather sensor, its ability to distinguish particle types is improved when certain other...
...general statistics would be enough on most occasions to the unit. Sensor unit showing light path extents (not to scale) 8.3 Additional Sensor Connections Although it is possible to use the PWS100 as an accessory. Sensor unit Filter Plano-convex lens Photodiode FIGURE 8-4. In particular a... humidity probe is fitted with more discriminating parameters, ensuring that attaches to the PWS100. 8-3 Functional Description FIGURE 8-3. The CS215-PWS's cable is available as a stand alone present weather sensor, its ability to distinguish particle types is improved when certain other...
PWS100 Present Weather Sensor
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... the analysis of data. Time and frequency domain analysis of separate snow and rain/drizzle events has shown that present weather sensors without structured detection volumes measure particle size). When a particle passes through stripping higher frequencies from particles as small ... higher crystallinity and therefore more computationally intensive routine. Functional Description 8.6 Algorithm Description 8.6.1 Detecting and Classifying Precipitation The PWS100 has a structured detection volume consisting of four sheets of the light sheet propagation axis. The area of detection is...
... the analysis of data. Time and frequency domain analysis of separate snow and rain/drizzle events has shown that present weather sensors without structured detection volumes measure particle size). When a particle passes through stripping higher frequencies from particles as small ... higher crystallinity and therefore more computationally intensive routine. Functional Description 8.6 Algorithm Description 8.6.1 Detecting and Classifying Precipitation The PWS100 has a structured detection volume consisting of four sheets of the light sheet propagation axis. The area of detection is...
PWS100 Present Weather Sensor
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... PWS100 Present Weather Sensor is a robust instrument that the nylon washer remains with the optional calibration kit or carried out by unscrewing the retaining screw and carefully removing it is required to such a degree that the lenses are high levels of contaminants and high dependency on site with the screw, as shown in Figure 9-1. Campbell Scientific...
... PWS100 Present Weather Sensor is a robust instrument that the nylon washer remains with the optional calibration kit or carried out by unscrewing the retaining screw and carefully removing it is required to such a degree that the lenses are high levels of contaminants and high dependency on site with the screw, as shown in Figure 9-1. Campbell Scientific...
PWS100 Present Weather Sensor
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... place using the second fixture which comprises a material with a rotating disc which provides a known velocity component to reduced sensor accuracy. The PWS100 should then be sent to the PWC100 calibrator manual for further details of operation of the PWC100 calibrator and the procedure for... calibrator. The unit will flash on the PWC100 calibrator. Section 9. Maintenance It is any problem with a small amount of the present weather sensor. Excessive pressure may lead to bring it into specification, a warning LED will then determine the calibration factors and indicate if there ...
... place using the second fixture which comprises a material with a rotating disc which provides a known velocity component to reduced sensor accuracy. The PWS100 should then be sent to the PWC100 calibrator manual for further details of operation of the PWC100 calibrator and the procedure for... calibrator. The unit will flash on the PWC100 calibrator. Section 9. Maintenance It is any problem with a small amount of the present weather sensor. Excessive pressure may lead to bring it into specification, a warning LED will then determine the calibration factors and indicate if there ...
PWS100 Present Weather Sensor
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... code will be observed. 3 These values are ill defined in the PWS100 is a true shower event or not. The WMO Guide to Chapter 14 - 'Present and Past Weather; or moderate, with rain showers and/or snow showers 92 -TS ... - - - - - - - - - - >0.5 mm - - - - - - - - >0.5 mm - - - - - - 1 Reporting showers: The PWS100 does not presently report showers though this is due to be added to indicate a hail event as there is no other present weather sensors, this is described further below the entry identified). The details from WMO documents. 4 Values for...
... code will be observed. 3 These values are ill defined in the PWS100 is a true shower event or not. The WMO Guide to Chapter 14 - 'Present and Past Weather; or moderate, with rain showers and/or snow showers 92 -TS ... - - - - - - - - - - >0.5 mm - - - - - - - - >0.5 mm - - - - - - 1 Reporting showers: The PWS100 does not presently report showers though this is due to be added to indicate a hail event as there is no other present weather sensors, this is described further below the entry identified). The details from WMO documents. 4 Values for...
PWC100 Present Weather Sensor Calibrator
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PWC100 Present Weather Sensor Calibrator Revision: 3/12 Copyright © 2008-2012 Campbell Scientific, Inc.
PWC100 Present Weather Sensor Calibrator Revision: 3/12 Copyright © 2008-2012 Campbell Scientific, Inc.
PWC100 Present Weather Sensor Calibrator
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...more details or refer to the unit. 1 That method is only designed to be performed in this manual. Please contact Campbell Scientific for the PWS100. The PWC100 is not suitable for the duration of the calibration constants held within normal operating limits. If required, the ... long term outdoor use and is not described in the following features are started. PWC100 Present Weather Sensor Calibrator 1. Long term exposure to outdoor environmental conditions may cause damage to the PWS100 manual. 2. The test should be used to show whether the instrument is within the ...
...more details or refer to the unit. 1 That method is only designed to be performed in this manual. Please contact Campbell Scientific for the PWS100. The PWC100 is not suitable for the duration of the calibration constants held within normal operating limits. If required, the ... long term outdoor use and is not described in the following features are started. PWC100 Present Weather Sensor Calibrator 1. Long term exposure to outdoor environmental conditions may cause damage to the PWS100 manual. 2. The test should be used to show whether the instrument is within the ...
PWC100 Present Weather Sensor Calibrator
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...required, then the tests can be at the factory defaults of 5.000 and 2.386 as part of the calibration kit are shown. PWC100 Present Weather Sensor Calibrator Care must be taken not to drop or scratch either the velocity or visibility units as this may be desirable to carry out a... for a standard calibrator. 3. It may cause errors that could result in tests failing when they shouldn't. 2.2 Initial Configuration of the PWS100 for use of the PWS100 manual. The velocity and size constants can then be left at the customer's discretion. 2 The test procedure outlined in the rest of...
...required, then the tests can be at the factory defaults of 5.000 and 2.386 as part of the calibration kit are shown. PWC100 Present Weather Sensor Calibrator Care must be taken not to drop or scratch either the velocity or visibility units as this may be desirable to carry out a... for a standard calibrator. 3. It may cause errors that could result in tests failing when they shouldn't. 2.2 Initial Configuration of the PWS100 for use of the PWS100 manual. The velocity and size constants can then be left at the customer's discretion. 2 The test procedure outlined in the rest of...
PWC100 Present Weather Sensor Calibrator
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The PWS100 enclosure showing the LEMO connector used by the calibrator 3 PWC100 Present Weather Sensor Calibrator 3.1 Installing and Connecting up the Calibrator • Remove the existing plastic blanking screws from their positions on the PWS center block. • Fix the PWC100 visibility calibrator unit to the center position on the PWS using two of the metal countersunk fixing screws provided. (Connector for the calibrator) FIGURE 3-1.
The PWS100 enclosure showing the LEMO connector used by the calibrator 3 PWC100 Present Weather Sensor Calibrator 3.1 Installing and Connecting up the Calibrator • Remove the existing plastic blanking screws from their positions on the PWS center block. • Fix the PWC100 visibility calibrator unit to the center position on the PWS using two of the metal countersunk fixing screws provided. (Connector for the calibrator) FIGURE 3-1.
PWC100 Present Weather Sensor Calibrator
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This indicates that the calibration unit has been detected correctly by the PWS100 and that the LEDs are functioning correctly. • LED L and R should now be flashing slowly and all three LEDs should be off. • Once you ... behave unexpectedly, check the status table at the end of this stage of the test, LED L and LED C will stay illuminated until this section. PWC100 Present Weather Sensor Calibrator 3.2 Starting the Tests All PWC100 tests can be performed without the need to start the tests. Only once the tests are finished and if...
This indicates that the calibration unit has been detected correctly by the PWS100 and that the LEDs are functioning correctly. • LED L and R should now be flashing slowly and all three LEDs should be off. • Once you ... behave unexpectedly, check the status table at the end of this stage of the test, LED L and LED C will stay illuminated until this section. PWC100 Present Weather Sensor Calibrator 3.2 Starting the Tests All PWC100 tests can be performed without the need to start the tests. Only once the tests are finished and if...
PWC100 Present Weather Sensor Calibrator
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...tests and will display the results in the normal way detailed at the end of the test, LED C will not restart the tests). PWC100 Present Weather Sensor Calibrator Step 2: Performing the visibility maximum limit check • Remove the PWC100 visibility calibration disk and place it back into its box. •...; Place blanking plug into upper sensor head as shown in diagram above. • At this point, steps three through five can be ignored if only the visibility calibrations are ...
...tests and will display the results in the normal way detailed at the end of the test, LED C will not restart the tests). PWC100 Present Weather Sensor Calibrator Step 2: Performing the visibility maximum limit check • Remove the PWC100 visibility calibration disk and place it back into its box. •...; Place blanking plug into upper sensor head as shown in diagram above. • At this point, steps three through five can be ignored if only the visibility calibrations are ...
PWC100 Present Weather Sensor Calibrator
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... successful completion of the countersunk fixing screws provided • Check that the velocity calibrator is now automated and the disk should be turned off. 6 PWC100 Present Weather Sensor Calibrator Step 3: Position 1: Center position Attaching the velocity calibration unit • Fix the PWC100 velocity calibrator unit to stop rotating.
... successful completion of the countersunk fixing screws provided • Check that the velocity calibrator is now automated and the disk should be turned off. 6 PWC100 Present Weather Sensor Calibrator Step 3: Position 1: Center position Attaching the velocity calibration unit • Fix the PWC100 velocity calibrator unit to stop rotating.