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Campbell CRS451, Руководство по эксплуатации продукта

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7.4.1 Using an additional CRS45X

One simple way to complete this correction is to deploy an additional CRS45X as a reference
sensor. For this method, in the Select Field Application window, choose Barometer Pressure
Reference (see

Configure CRS45X for measurements

(p. 12)).

7.4.2 Using a barometer

The barometric pressure data from a nearby Campbell Scientific weather station or other
Campbell Scientific monitoring platform can also be used to compensate for barometric pressure.
The Data tab is used to process and merge the data file from the test sensor with the data file
from the barometric reference sensor. The procedure for doing this follows:

1. Press the browse button next to the Collected Data File field to browse to the data files

retrieved from the CRS45X.

2. Select a data file you wish to be corrected by barometric pressure values.

a. The Field Application Used to Produce Collected Measurement Data information will

be shown based on the collected data file selected.

CRS451/CRS456 Submersible Water-Level Recording Sensor

17

Содержание CRS451

Страница 1: ...Revision 09 2019 Copyright 2013 2019 Campbell Scientific Inc...

Страница 2: ...ucts to CSI CSI will return such Products by surface carrier prepaid within the continental United States of America To all other locations CSI will return such Products best way CIP port of entry per...

Страница 3: ...ing address is CAMPBELL SCIENTIFIC INC RMA _____ 815 West 1800 North Logan Utah 84321 1784 For all returns the customer must fill out a Statement of Product Cleanliness and Decontamination form and co...

Страница 4: ...work l Wear a hardhat and eye protection and take other appropriate safety precautions while working on or around tripods and towers l Do not climb tripods or towers at any time and prohibit climbing...

Страница 5: ...e reading 7 6 7 Memory 7 6 8 Attaching suspension cable to CRS451 CRS456 8 6 9 Heyco cable grip 9 7 Programming 10 7 1 Settings 10 7 2 Connect to the CRS451 CRS456 11 7 3 Configure CRS45X for measurem...

Страница 6: ...Appendix A Calibration certificate 31 Appendix B Conversion to units of measurement 32 Table of Contents v...

Страница 7: ...sed in saltwater or other harsh environments 2 Precautions l Although the CRS451 CRS456 is a rugged and reliable device it is also a highly precise scientific instrument and should be handled as such...

Страница 8: ...ielding a temperature and pressure value This measurement cycle can be as fast as 1 second The design features a piezoresistive sensor housed in a 316L stainless steel CRS451 or titanium CRS456 packag...

Страница 9: ...t micro USB Internal data collection memory 4 MB HydroSci supported operating systems Windows XP Windows Vista or Windows 7 Logging scanning modes Standard Delta Logarithmic Power requirements Interna...

Страница 10: ...35 full scale range Overpressure 2x pressure range Dry storage temperature 30 to 80 C Operating temperature 0 to 60 C CAUTION Freezing conditions may damage the CRS451 CRS456 see Avoiding freezing con...

Страница 11: ...bility and thermal effects over the compensated temperature range per ISA S51 1 6 Installation The CRS451 CRS456 is designed for water level measurements Typical applications include agricultural wate...

Страница 12: ...solid surface could damage the CRS451 CRS456 CAUTION If the bubbles are not removed by rotation and shaking underwater or bleeding out the air in a closed system the CRS451 CRS456 reading will drift...

Страница 13: ...and then replaced HydroSci will assume a fresh battery was added to the device and the estimated remaining battery life will be overstated For similar reasons if the operating system is upgraded or s...

Страница 14: ...6 8 Attaching suspension cable to CRS451 CRS456 Attach the split ring to the CRS451 CRS456 cap CRS451 CRS456 Submersible Water Level Recording Sensor 8...

Страница 15: ...and disturbances while also providing a more secure means of anchoring the sensor to minimize movement The Heyco fitting is not meant to be water tight and water will likely fill the submerged pipe be...

Страница 16: ...bes CRS451 CRS456 configuration is available at www campbellsci com videos crs451crs456 sensors configuration CAUTION If you are using an XP computer please have the driver disk in the CD DVD drive be...

Страница 17: ...de a USB connection to your computer click on the Show Connect Instructions and Device Installation drop down arrow 4 After clicking the drop down arrow you get the following instructions 5 After maki...

Страница 18: ...rby barometer to correct for the barometric pressure b Disable To preserve battery between deployments always configure the sensor for storage after use 4 Add offset to relate water level measurements...

Страница 19: ...not make correct measurements If an offset calculation is needed a Start Time must be selected far enough in the future that the sensor can be properly placed in its measurement position before measu...

Страница 20: ...o four different Data Tables can archive data at independent intervals with any combination of elements samples averages maximum etc b Contents of the Data Table are selected in the next screen CRS451...

Страница 21: ...Once the Data Tables have been configured the configuration process is finished and the Finish button can be selected 9 Once the configuration is complete it must be copied to the CRS451 CRS456 before...

Страница 22: ...configuration file is copied so you will want to collect any data before sending the configuration file This option allows you to save the configuration file for future reference or for easy use in ot...

Страница 23: ...rm can also be used to compensate for barometric pressure The Data tab is used to process and merge the data file from the test sensor with the data file from the barometric reference sensor The proce...

Страница 24: ...Press the browse button next to the Barometric Pressure Reference Data File field to browse the data files from the barometric reference sensor CRS451 CRS456 Submersible Water Level Recording Sensor 1...

Страница 25: ...d with it The units can be any pressure or level units as defined in HydroSci and they must match exactly the HydroSci abbreviation as shown here The following pressure and level units are defined in...

Страница 26: ...ta File button 7 Once the corrected data file has been built press the View Corrected Data File button to open the file in View The View Data button at the bottom of the screen can also be used to ope...

Страница 27: ...ata file with a single mouse click The selection will be highlighted and will automatically be added to the graph Multiple columns can be added by holding the Ctrl key and dragging the mouse pointer o...

Страница 28: ...tric pressure compensated data is shown here The original data are shown in blue and the compensated data are shown in red The barometric pressure sensor data are shown below also in blue CRS451 CRS45...

Страница 29: ...Every visit l Collect data l Visually inspect the physical conditions l Check battery condition by using a laptop and HydroSci software to view the battery voltage see Battery voltage reading p 7 The...

Страница 30: ...cribes CRS451 CRS456 battery replacement is available at www campbellsci com videos crs451crs456 sensors battery replacement Remove the set screws on the cap end of the CRS451 CRS456 CRS451 CRS456 Sub...

Страница 31: ...Gently pull the end out of the housing Unplug the connecter CRS451 CRS456 Submersible Water Level Recording Sensor 25...

Страница 32: ...Gently pull the battery out the end Disconnect the battery CRS451 CRS456 Submersible Water Level Recording Sensor 26...

Страница 33: ...Remove the battery Slide in the new battery CRS451 CRS456 Submersible Water Level Recording Sensor 27...

Страница 34: ...Plug in the new battery Slide the battery into the housing CRS451 CRS456 Submersible Water Level Recording Sensor 28...

Страница 35: ...the end piece with its O rings into the housing CAUTION Nicking the O ring could result in a leak Line up the holes and insert the set screw Do not over tighten the set screw CRS451 CRS456 Submersible...

Страница 36: ...r damage Damage to diaphragm due to excessive pressure l Atmospheric pressure not subtracted from pressure reading Problem Unit will not respond when attempting USB communications Suggestion Replace b...

Страница 37: ...of testing Pressure After kPa represents the resulting measurement output by the CRS451 CRS456 at the given pressure and temperature Finally Deviation After F S provides the difference between the act...

Страница 38: ...tors used to convert psi to other units For example 1 psi 2 30666587369 ft Table B 1 PSI conversion factors Unit of measurement Factor of conversion Feet 2 3066587369 Inches 27 679904843 Meters 0 1019...

Страница 39: ...cc Website www campbellsci cc France Location Vincennes France Phone 0033 0 1 56 45 15 20 Email info campbellsci fr Website www campbellsci fr Germany Location Bremen Germany Phone 49 0 421 460974 0...

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