Campbell HydroSense II, User Manual

Page 1: ...HydroSense II User Guide 10 11...

Page 2: ...HydroSense II Soil Moisture Measurement System...

Page 3: ...out prior authorization The following contact information is for Australian and International customers residing in countries served by Campbell Scientific Australia directly Affiliate companies handl...

Page 4: ...formation 14 6 3 2 Status information 15 6 3 3 Measurement display 15 6 3 4 Deficit Display 16 7 Data Storage and Retrieval 17 7 1 Storing Data 17 7 2 What is stored 17 7 3 Software 17 7 4 Connecting...

Page 5: ...11 11 Brightness 29 11 12 Backlight On Time 29 11 13 Light Sensing 29 11 14 GPS Settings 30 11 15 GPS Power 30 11 16 Coordinate format 30 11 17 System Settings 31 11 18 System On Time 31 11 19 Restore...

Page 6: ...the features of the different versions Feature HydroSense CD620 HydroSense II Portable Yes Yes Battery life 2000 readings 1000 readings Probe length 12cm 20cm interchangeable 12cm 20cm not interchange...

Page 7: ...power saving features the device turns off when it has been idle for a configurable period the backlight brightness and on time are adjustable the backlight is automatically disabled in bright condit...

Page 8: ...ndard parts are listed in the table below Qty Description 1 HydroSense II measurement and display unit pn CD660 1 CS658 20cm or CS659 12cm water content sensor 4 AA batteries factory installed inside...

Page 9: ...oSense II is turned on Start up the HydroSense II by holding the Menu PWR button for 3 seconds In order to store data with positional information it may take up to 1 minute to establish GPS synchronis...

Page 10: ...value and field capacity as wet The relative water content is calculated as follows 100 x VWC VWC VWC VWC RWC dry wet dry In this equation VWC is the current measurement of volumetric water content V...

Page 11: ...ense II are preset to typical values These values may be used or overwritten as desired but it is important to record what soil types were used for each profile stored in the display The default soil...

Page 12: ...t CLEAR SOIL and press OK Please note that this step cannot be reversed The probe length stored in a soil profile is automatically updated to match the probe used whenever the wet and dry reference va...

Page 13: ...rposes only and will not actually be visible on the screen of the device 6 1 Buttons Below are a list of the buttons on the HydroSense II and their functions User Interface Buttons The Menu PWR button...

Page 14: ...n After the splash screen disappears the main screen is shown The main screen contains a number of different elements which are explained in the following subsections 6 3 1 GPS information The top bar...

Page 15: ...icon is shown when the GPS has acquired synchronisation with the GPS satellite constellation This icon disappears when the GPS is turned off or GPS sync is lost Bluetooth Connection This icon is displ...

Page 16: ...lfunctioning the display will show SENSOR TIMEOUT as shown above 6 3 4 Deficit Display When deficit mode is enabled the water deficit section is displayed on the centre right of the main screen The to...

Page 17: ...if GPS synchronisation has been achieved If the GPS is switched off or does not have a valid synchronisation the time and date are still used however the time and date may not be accurate When using...

Page 18: ...tion settings For more information please refer to the HydroSense II Software User Guide 8 GPS The HydroSense II incorporates a receiver for the Global Positioning System GPS This is a group of satell...

Page 19: ...ed the HydroSense II is able to store water content data that is tagged with position information latitude longitude Using this position information data can be grouped by geographical location These...

Page 20: ...HydroSense II uses the soil dielectric permittivity to estimate the volumetric water content The dielectric permittivity of water is much greater than the other soil constituents making it possible t...

Page 21: ...easurements may be required to establish a representative measurement 9 3 Soil factors which can affect the Measurement The HydroSense II is very sensitive to changes in dielectric permittivity and th...

Page 22: ...replacement batteries close to hand It is recommended to carry them in the spare battery holder provided in the carry case Configuration settings stored data and zones are all preserved when the batte...

Page 23: ...the HydroSense II and hold the power button to activate 10 2 Rod installation replacement Threaded inserts in the epoxy body of the CS658 and CS659 allow user replacement of the stainless steel rods I...

Page 24: ...lacement rods and screwing them firmly into the sensor body using the wrench provided Unlike the original HydroSense the HydroSense II sensors do not support interchangeable rods The CS658 will only m...

Page 25: ...Deficit is displayed on the main screen Select ON to show the deficit results and OFF to hide them To quit this menu without saving the changes press the Back button 11 3 Bluetooth Power This menu con...

Page 26: ...layed for reference To save the adjusted time to the clock press OK To exit without saving press Back Adjusting time and date with this menu is not usually necessary By default the HydroSense II uses...

Page 27: ...to UTC 14 are available Please see the diagram below for information on global time zones Use the up and down keys to select a time zone to use and OK to save the selection To exit without making chan...

Page 28: ...it the menu press Back 11 9 Display Settings This submenu contains a list of settings related to the screen of the HydroSense II Using the up and down keys highlight one of the options shown and press...

Page 29: ...to save or Back to quit 11 12 Backlight On Time The LCD backlight turns on whenever a button is pressed This menu configures how long it remains lit after each press The Left and Right keys change th...

Page 30: ...however the time and date used by the HydroSense II will be much less accurate and any stored data will not be geo tagged for future display and charting Using the up and down keys select a power sta...

Page 31: ...riods and press OK to save the change Pressing Back will exit without saving If the system on time is set to Always on the HydroSense II will only turn off when the MENU PWR button is used This will i...

Page 32: ...Moisture Measurement System 32 11 20 Serial Number This screen displays the serial number of the HydroSense II This should match the serial number labelled on the front panel of the unit Press Back t...

Page 33: ...a grain size from 0 05mm up to 2mm silt has a grain size 0 002mm up to 0 05mm and clay has a particle size less than 0 002mm Below is a simplified soil texture triangle The goal of the soil triangle...

Page 34: ...determine typical wilting point and field capacity from Hydrosense II volumetric water content VWC measurements This allows informed management decisions to be made about a crop 12 2 Typical Soil Wat...

Page 35: ...ke a measurement the volumetric water content is displayed as is displayed to indicate that the water content sensor was unable to determine the volumetric water content for these soil conditions It i...

Page 36: ...versions are available New firmware can be downloaded to the HydroSense II using Bluetooth For details of the operating system update procedure please refer to the HydroSense II Software User Guide Up...

Page 37: ...Corp CSC 11564 149th Street NW Edmonton Alberta T5M 1W7 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Centro Caribe S A CSCC 300 N Cementerio Edificio Breller Santo Domingo...