CS616 and CS625 Water Content Reflectometers
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INSTRUCTION MANUAL CS616 and CS625 Water Content Reflectometers Revision: 2/14 Copyright © 2002-2014 Campbell Scientific, Inc.
INSTRUCTION MANUAL CS616 and CS625 Water Content Reflectometers Revision: 2/14 Copyright © 2002-2014 Campbell Scientific, Inc.
CS616 and CS625 Water Content Reflectometers
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Initial Inspection 1 4. Overview 1 5. The Water Content Reflectometer Method for Measuring Volumetric Water Content 24 7.1 Description of this document. Specifications 2 5.1 Dimensions 3 5.2 Weight 3 5.3 Electrical Specifications 3 5.4 Operational Details 4 6. Introduction 1 2. Use the PDF reader bookmarks tab for CS616 16 6.4.5.1 CS616 Sample Edlog Program 1 16 6.4.5.2 CS616 Sample Edlog Program 2 17 6.4.5.3 CS616 Sample Edlog Program 3 18 6.4.5.4 CS616 Sample Edlog Program 4 19 6.4.5.5 CS616 Sample Edlog Program 5 21 7. Table of...
Initial Inspection 1 4. Overview 1 5. The Water Content Reflectometer Method for Measuring Volumetric Water Content 24 7.1 Description of this document. Specifications 2 5.1 Dimensions 3 5.2 Weight 3 5.3 Electrical Specifications 3 5.4 Operational Details 4 6. Introduction 1 2. Use the PDF reader bookmarks tab for CS616 16 6.4.5.1 CS616 Sample Edlog Program 1 16 6.4.5.2 CS616 Sample Edlog Program 2 17 6.4.5.3 CS616 Sample Edlog Program 3 18 6.4.5.4 CS616 Sample Edlog Program 4 19 6.4.5.5 CS616 Sample Edlog Program 5 21 7. Table of...
CS616 and CS625 Water Content Reflectometers
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... Attenuation Error 30 7.6 Temperature Dependence and Correction 31 8. CS616/625 wiring code 5 6-2. Table of Contents 7.4 Operating Range 29 7.4.1 Soil Electrical Conductivity 29 7.4.2 Soil Organic Matter, Clay Content and Soil Bulk Density......... 29 7.5 Error Sources in % volumetric water content between linear and quadratic forms of Soil Water Content A-1 Figures 6-1. 6-2. 7-1. 7-2. 7-3. 7-4. CS616 Water Content Reflectometer 5 CS625 Water Content Reflectometer 5 CS616 and CS625 linear and quadratic calibrations derived from...
... Attenuation Error 30 7.6 Temperature Dependence and Correction 31 8. CS616/625 wiring code 5 6-2. Table of Contents 7.4 Operating Range 29 7.4.1 Soil Electrical Conductivity 29 7.4.2 Soil Organic Matter, Clay Content and Soil Bulk Density......... 29 7.5 Error Sources in % volumetric water content between linear and quadratic forms of Soil Water Content A-1 Figures 6-1. 6-2. 7-1. 7-2. 7-3. 7-4. CS616 Water Content Reflectometer 5 CS625 Water Content Reflectometer 5 CS616 and CS625 linear and quadratic calibrations derived from...
CS616 and CS625 Water Content Reflectometers
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... probe sensitivity to the dielectric constant of the CS616/CS625, inspect the packaging and contents for damage. Both water content reflectometers are designed to the datalogger control ports so that the probes are not enabled simultaneously. 3. File damage claims with the Campbell Scientific CR200(X) series dataloggers. Before installing the CS616 or CS625, please study • Section 2, Cautionary Statements...
... probe sensitivity to the dielectric constant of the CS616/CS625, inspect the packaging and contents for damage. Both water content reflectometers are designed to the datalogger control ports so that the probes are not enabled simultaneously. 3. File damage claims with the Campbell Scientific CR200(X) series dataloggers. Before installing the CS616 or CS625, please study • Section 2, Cautionary Statements...
CS616 and CS625 Water Content Reflectometers
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... rods can be connected to Campbell Scientific CR200(X) series dataloggers. Refer to a printed circuit board. The water content reflectometer output is essentially a square wave. The probe output period ranges from the surface or buried at any orientation to the surface CS616 Compatibility Dataloggers: CR800 series CR1000 CR3000 CR5000 CR510 CR10X CR23X 2 The water content reflectometer consists of the multivibrator...
... rods can be connected to Campbell Scientific CR200(X) series dataloggers. Refer to a printed circuit board. The water content reflectometer output is essentially a square wave. The probe output period ranges from the surface or buried at any orientation to the surface CS616 Compatibility Dataloggers: CR800 series CR1000 CR3000 CR5000 CR510 CR10X CR23X 2 The water content reflectometer consists of the multivibrator...
CS616 and CS625 Water Content Reflectometers
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... meets EN61326 requirements for protection against electrostatic discharge and surge. 3 CS616 and CS625 Water Content Reflectometers CS625 Compatibility Dataloggers: CR200X series CR200 series Probe-to-Probe Variability: ±0.5% VWC in dry soil, ±1.5% VWC in typical saturated soil Resolution: better than 0.1% volumetric water content 5.1 Dimensions Rods: Probe Head: 300 mm (11.8 in) long, 3.2 mm (0.13 in...
... meets EN61326 requirements for protection against electrostatic discharge and surge. 3 CS616 and CS625 Water Content Reflectometers CS625 Compatibility Dataloggers: CR200X series CR200 series Probe-to-Probe Variability: ±0.5% VWC in dry soil, ±1.5% VWC in typical saturated soil Resolution: better than 0.1% volumetric water content 5.1 Dimensions Rods: Probe Head: 300 mm (11.8 in) long, 3.2 mm (0.13 in...
CS616 and CS625 Water Content Reflectometers
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... sensitivity of wetting fronts or other media, but the response may be installed horizontal to the surface to characterize accuracy. CS616 and CS625 Water Content Reflectometers 5.4 Operational Details The accuracy specification for the volumetric water content measurement using the CS650G insertion guide tool. The major contributor to saturated. The soils were typically sandy loam and coarser...
... sensitivity of wetting fronts or other media, but the response may be installed horizontal to the surface to characterize accuracy. CS616 and CS625 Water Content Reflectometers 5.4 Operational Details The accuracy specification for the volumetric water content measurement using the CS650G insertion guide tool. The major contributor to saturated. The soils were typically sandy loam and coarser...
CS616 and CS625 Water Content Reflectometers
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6.3 Wiring CS616 and CS625 Water Content Reflectometers TABLE 6-1. CS616 Water Content Reflectometer power Red gnd Black output Green enable Orange drain/gnd Clear FIGURE 6-2. CS625 Water Content Reflectometer 5 power Red output gnd Black output Green enable Orange drain/power gnd Clear FIGURE 6-1. color red green orange black clear function +12 V output enable signal ...) datalogger connection +12 V SE analog channel control port G G NOTE Both the black ground wire and the clear shield wire must be connected to datalogger ground. CS616/625 wiring code.
6.3 Wiring CS616 and CS625 Water Content Reflectometers TABLE 6-1. CS616 Water Content Reflectometer power Red gnd Black output Green enable Orange drain/gnd Clear FIGURE 6-2. CS625 Water Content Reflectometer 5 power Red output gnd Black output Green enable Orange drain/power gnd Clear FIGURE 6-1. color red green orange black clear function +12 V output enable signal ...) datalogger connection +12 V SE analog channel control port G G NOTE Both the black ground wire and the clear shield wire must be connected to datalogger ground. CS616/625 wiring code.
CS616 and CS625 Water Content Reflectometers
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..., CR10X, and CR23X to measure the output period of measurements that is the number of the CS616. The CRBasic instruction CS616() is used by the CR800, CR850, CR1000, CR3000, and CR5000 dataloggers to enable and measure a CS616 Water Content Reflectometer. The period value is used in saturated soil with amplitude of 0 to 3.3 Vdc and a frequency that...
..., CR10X, and CR23X to measure the output period of measurements that is the number of the CS616. The CRBasic instruction CS616() is used by the CR800, CR850, CR1000, CR3000, and CR5000 dataloggers to enable and measure a CS616 Water Content Reflectometer. The period value is used in saturated soil with amplitude of 0 to 3.3 Vdc and a frequency that...
CS616 and CS625 Water Content Reflectometers
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... be used for the next two measurements. MeasPerPort = 2 will result in four sequential ports being used to control the CS616 sensor(s). Mult, Offset: The Mult and Offset parameters are programmed similarly. CS616 and CS625 Water Content Reflectometers Code 1 2 3 4 5 6 7 8 Description Control Port 1 Control Port 2 Control Port 3 Control Port 4 Control Port 5 Control Port 6 Control Port 7 Control Port...
... be used for the next two measurements. MeasPerPort = 2 will result in four sequential ports being used to control the CS616 sensor(s). Mult, Offset: The Mult and Offset parameters are programmed similarly. CS616 and CS625 Water Content Reflectometers Code 1 2 3 4 5 6 7 8 Description Control Port 1 Control Port 2 Control Port 3 Control Port 4 Control Port 5 Control Port 6 Control Port 7 Control Port...
CS616 and CS625 Water Content Reflectometers
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CS616 and CS625 Water Content Reflectometers CR1000 Program Example 1 'Declare Public and Dim Variables Public batt_volt Public Panel_temp Public Period (8) Public VWC (8) Public Flag (1) Dim I 'Declare Constants 'CS616 Default Calibration Constants const a0= -0.0663 const a1= -0.0063 const a2= 0.0007 'Flag logic constants const high = true const low = false 'Define Data Tables DataTable (...
CS616 and CS625 Water Content Reflectometers CR1000 Program Example 1 'Declare Public and Dim Variables Public batt_volt Public Panel_temp Public Period (8) Public VWC (8) Public Flag (1) Dim I 'Declare Constants 'CS616 Default Calibration Constants const a0= -0.0663 const a1= -0.0063 const a2= 0.0007 'Flag logic constants const high = true const low = false 'Define Data Tables DataTable (...
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...Declare Public and Dim Variables Public batt_volt Public Panel_temp Public Period (48) Public VWC (48) Public Flag (1) Dim I 'Declare Constants 'CS616 Default Calibration Constants const a0= -0.0663 const a1= -0.0063 const a2= 0.0007 'Flag logic constants const high = true const low ...& Clear Gnd Gnd Even H CS616#3_Green 1H COM Odd H Even L #1,2,3_Orange 1L COM Odd L Gnd Gnd 2H COM Even H C6 COM Even L *Three sensors to measure 48 CS616 probes connected in the 4x16 configuration. CS616 and CS625 Water Content Reflectometers 6.4.1.2 CS616 Sample CRBasic Program 2 The following ...
...Declare Public and Dim Variables Public batt_volt Public Panel_temp Public Period (48) Public VWC (48) Public Flag (1) Dim I 'Declare Constants 'CS616 Default Calibration Constants const a0= -0.0663 const a1= -0.0063 const a2= 0.0007 'Flag logic constants const high = true const low ...& Clear Gnd Gnd Even H CS616#3_Green 1H COM Odd H Even L #1,2,3_Orange 1L COM Odd L Gnd Gnd 2H COM Even H C6 COM Even L *Three sensors to measure 48 CS616 probes connected in the 4x16 configuration. CS616 and CS625 Water Content Reflectometers 6.4.1.2 CS616 Sample CRBasic Program 2 The following ...
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...the measurement. CS616 and CS625 Water Content Reflectometers 'Main Program BeginProg Scan (5,Sec,0,0) 'scan instructions every 5 sec Battery (Batt_volt) PanelTemp (Panel_temp,250) ' 'Set flag 1 High every 30 min (Note: User can be used to measure the CS625 Water Content Reflectometer. PeriodAvg(Dest..., SEChan, Option, Cycles, Timeout, Port, Mult, Offset) Dest: The Dest parameter is a variable in which to Volumetric Water Content VWC(I)=a0 + al*Period(I) + a2*Period(I)^2 Next ' PortSet...
...the measurement. CS616 and CS625 Water Content Reflectometers 'Main Program BeginProg Scan (5,Sec,0,0) 'scan instructions every 5 sec Battery (Batt_volt) PanelTemp (Panel_temp,250) ' 'Set flag 1 High every 30 min (Note: User can be used to measure the CS625 Water Content Reflectometer. PeriodAvg(Dest..., SEChan, Option, Cycles, Timeout, Port, Mult, Offset) Dest: The Dest parameter is a variable in which to Volumetric Water Content VWC(I)=a0 + al*Period(I) + a2*Period(I)^2 Next ' PortSet...
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...or expression by which to scale the results of 1 is recommended if 10 is used to switch power to the CS625 Water Content Reflectometer. A value of the raw measurement. Port: The Port parameter is the control port or analog channel that the datalogger will... Single-Ended Channel 1 thru 4 (SE1-4) blacks associated grounds for CS625 TABLE 6-2. Store average hourly readings to volumetric water content. CS616 and CS625 Water Content Reflectometers Timeout: The Timeout parameter is the maximum time duration, in milliseconds, that will wait for the number of Cycles to...
...or expression by which to scale the results of 1 is recommended if 10 is used to switch power to the CS625 Water Content Reflectometer. A value of the raw measurement. Port: The Port parameter is the control port or analog channel that the datalogger will... Single-Ended Channel 1 thru 4 (SE1-4) blacks associated grounds for CS625 TABLE 6-2. Store average hourly readings to volumetric water content. CS616 and CS625 Water Content Reflectometers Timeout: The Timeout parameter is the maximum time duration, in milliseconds, that will wait for the number of Cycles to...
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... leads CR200(X) green Single-Ended Channel 1 (SE1) black ground for 1 CS625. CS616 and CS625 Water Content Reflectometers 'CR200(X) program to read 4 CS625s 'Standard calibration is used to convert CS625 output 'period to volumetric water content. 'Sensors are read hourly and average water content and temperature are written to storage every 4 hours. 'Declare Variables Public period(4),vwc...Switched excitation channel 1 (EX1) red Single-Ended Channel 5 (SE5) purple G clear G 12 Use standard calibration equation to convert temperaturecorrected period to volumetric water content.
... leads CR200(X) green Single-Ended Channel 1 (SE1) black ground for 1 CS625. CS616 and CS625 Water Content Reflectometers 'CR200(X) program to read 4 CS625s 'Standard calibration is used to convert CS625 output 'period to volumetric water content. 'Sensors are read hourly and average water content and temperature are written to storage every 4 hours. 'Declare Variables Public period(4),vwc...Switched excitation channel 1 (EX1) red Single-Ended Channel 5 (SE5) purple G clear G 12 Use standard calibration equation to convert temperaturecorrected period to volumetric water content.
CS616 and CS625 Water Content Reflectometers
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...control port. 13 Each measurement uses the same multiplier and offset. The option chosen in consecutive channels. CS616 and CS625 Water Content Reflectometers 'CR200(X) program to read 1 109 temperature probe and 1 CS625. 'Use temperature to correct CS625 ... = a0 + a1*corrected + a2*corrected^2 CallTable ofile NextScan EndProg 6.4.4 Measuring CS616 Using Edlog 6.4.4.1 Using Edlog Instruction 138 See Section 6.4.5.1, CS616 Sample Edlog Program 1, for example on using Instruction 138. 1: CS616 Water Content Reflectometer (P138) 1: 1 Reps 2: 00 SE Channel 3: 00 Control Port Code 4:...
...control port. 13 Each measurement uses the same multiplier and offset. The option chosen in consecutive channels. CS616 and CS625 Water Content Reflectometers 'CR200(X) program to read 1 109 temperature probe and 1 CS625. 'Use temperature to correct CS625 ... = a0 + a1*corrected + a2*corrected^2 CallTable ofile NextScan EndProg 6.4.4 Measuring CS616 Using Edlog 6.4.4.1 Using Edlog Instruction 138 See Section 6.4.5.1, CS616 Sample Edlog Program 1, for example on using Instruction 138. 1: CS616 Water Content Reflectometer (P138) 1: 1 Reps 2: 00 SE Channel 3: 00 Control Port Code 4:...
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... measurement. When Reps is greater than 1, this entry is added to the input location value. CS616 and CS625 Water Content Reflectometers SE Chan: Enter the single-ended analog channel where the sensor's green wire is often used to enable a CS616. For the CR510, only C1 can result in microseconds. With a multiplier of 1 and an offset...
... measurement. When Reps is greater than 1, this entry is added to the input location value. CS616 and CS625 Water Content Reflectometers SE Chan: Enter the single-ended analog channel where the sensor's green wire is often used to enable a CS616. For the CR510, only C1 can result in microseconds. With a multiplier of 1 and an offset...
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...04. Code x1 x2 x3 x4 Max. Loc: Enter the input location that will be measured with the instruction. Suggested value for CS616 is recommended. When Reps are greater than 1, this entry is used in kHz as period in microseconds. No. An Input Location is...Offset: A constant that is connected. of cycles to different units. A multiplier is multiplied by parameter 2. 15 CS616 and CS625 Water Content Reflectometers Reps: Enter the number of CS616s that will store the period measurement. An offset is reserved for each measurement in the datalogger's memory where a ...
...04. Code x1 x2 x3 x4 Max. Loc: Enter the input location that will be measured with the instruction. Suggested value for CS616 is recommended. When Reps are greater than 1, this entry is used in kHz as period in microseconds. No. An Input Location is...Offset: A constant that is connected. of cycles to different units. A multiplier is multiplied by parameter 2. 15 CS616 and CS625 Water Content Reflectometers Reps: Enter the number of CS616s that will store the period measurement. An offset is reserved for each measurement in the datalogger's memory where a ...
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.../Port (P91) 1: 11 Do if Flag 1 is High 2: 30 Then Do 2: CS616 Water Content Reflectometer (P138) 1: 1 Reps 2: 1 SE Channel 3: 1 C1 is connected to 12 Vdc and the black and shield are connected to volumetric water content. Correct CS616 output period for temperature and write result to volumetric water content. Convert CS616 period to datalogger final storage. Write average of one...
.../Port (P91) 1: 11 Do if Flag 1 is High 2: 30 Then Do 2: CS616 Water Content Reflectometer (P138) 1: 1 Reps 2: 1 SE Channel 3: 1 C1 is connected to 12 Vdc and the black and shield are connected to volumetric water content. Correct CS616 output period for temperature and write result to volumetric water content. Convert CS616 period to datalogger final storage. Write average of one...
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... Interval (seconds) 1: Do (P86) 1: 41 Set Port 1 High ;Enable/Turn On the CS616 probe. 2: Period Average (SE) (P27) 1: 1 Reps 2: 4 200 kHz Max Freq @ 2 V Peak to volumetric water content. of Cycles 5: 1 Timeout (0.01 sec units) 6: 1 Loc [ period ] 7: 1.0 Mult 8: 0.0 Offset 17 CS616 and CS625 Water Content Reflectometers 3: Polynomial (P55) 1: 1 Reps 2: 1 X Loc [ period 3: 2 F(X) Loc [ VWC 4: -0.0663 C0 5: -0.0063 C1 6: 0.0007...
... Interval (seconds) 1: Do (P86) 1: 41 Set Port 1 High ;Enable/Turn On the CS616 probe. 2: Period Average (SE) (P27) 1: 1 Reps 2: 4 200 kHz Max Freq @ 2 V Peak to volumetric water content. of Cycles 5: 1 Timeout (0.01 sec units) 6: 1 Loc [ period ] 7: 1.0 Mult 8: 0.0 Offset 17 CS616 and CS625 Water Content Reflectometers 3: Polynomial (P55) 1: 1 Reps 2: 1 X Loc [ period 3: 2 F(X) Loc [ VWC 4: -0.0663 C0 5: -0.0063 C1 6: 0.0007...