CS547A-L Conductivity/Temperature Probe and A547A Interface
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CS547A Conductivity and Temperature Probe and A547 Interface Revision: 10/11 Copyright © 1994-2011 Campbell Scientific, Inc.
CS547A Conductivity and Temperature Probe and A547 Interface Revision: 10/11 Copyright © 1994-2011 Campbell Scientific, Inc.
CS547A-L Conductivity/Temperature Probe and A547A Interface
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...-2. Polynomial Error 17 10-1. Therm107 / P11 Instruction Details 18 11. Electrically Noisy Environments 20 12. Polynomial Coefficients 19 ii Long Lead Lengths Temperature 20 13. A547 Interface and CS547A Conductivity and Temperature Probe ...... 2 4-1. Temperature , Resistance, and Datalogger Output 19 10-2. Plot of Contents 10. Plot of ideal and actual correction between 0 and 0.44 mS cm-1 ....... 16...
...-2. Polynomial Error 17 10-1. Therm107 / P11 Instruction Details 18 11. Electrically Noisy Environments 20 12. Polynomial Coefficients 19 ii Long Lead Lengths Temperature 20 13. A547 Interface and CS547A Conductivity and Temperature Probe ...... 2 4-1. Temperature , Resistance, and Datalogger Output 19 10-2. Plot of Contents 10. Plot of ideal and actual correction between 0 and 0.44 mS cm-1 ....... 16...
CS547A-L Conductivity/Temperature Probe and A547A Interface
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... to introduce common ways of the center electrode with Campbell Scientific dataloggers. This electrode configuration eliminates the ground looping problems associated with sensors in electrical contact with a thermistor in Figure 4-1. CS547A Conductivity and Temperature Probe and A547 Interface 1. This includes most new CRBasic ... in water containing KCl, Na2SO4, NaHCO3, and/or NaCl, which did not have this feature. Overview The CS547A conductivity and temperature probe, and A547 interface are included to interpret. Use with our AM16/32(B) multiplexer is possible when needing to ...
... to introduce common ways of the center electrode with Campbell Scientific dataloggers. This electrode configuration eliminates the ground looping problems associated with sensors in electrical contact with a thermistor in Figure 4-1. CS547A Conductivity and Temperature Probe and A547 Interface 1. This includes most new CRBasic ... in water containing KCl, Na2SO4, NaHCO3, and/or NaCl, which did not have this feature. Overview The CS547A conductivity and temperature probe, and A547 interface are included to interpret. Use with our AM16/32(B) multiplexer is possible when needing to ...
CS547A-L Conductivity/Temperature Probe and A547A Interface
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...steel housing. Depth Rating Maximum 305 m (1000 ft) pH Range Solution pH of the cable. A547 Interface and CS547A Conductivity and Temperature Probe 2. The sensor must be ordered with desired length as cable cannot be added to +50°C 2 Temp....Passivated 316 SS with 4 ft Cable 120 g (4.2 oz) 2.2 A547 Interface Size Temperature Rating Dimensions: 64 mm (2.5 in.) x 46 mm (1.8 in.) x 23 mm (0.9 in.) Weight: 45 g (2 oz) -15° to existing probes. CS547A Conductivity and Temperature Probe and A547 Interface FIGURE 1-1. Range of reading 0.005 to 50°C. L x...
...steel housing. Depth Rating Maximum 305 m (1000 ft) pH Range Solution pH of the cable. A547 Interface and CS547A Conductivity and Temperature Probe 2. The sensor must be ordered with desired length as cable cannot be added to +50°C 2 Temp....Passivated 316 SS with 4 ft Cable 120 g (4.2 oz) 2.2 A547 Interface Size Temperature Rating Dimensions: 64 mm (2.5 in.) x 46 mm (1.8 in.) x 23 mm (0.9 in.) Weight: 45 g (2 oz) -15° to existing probes. CS547A Conductivity and Temperature Probe and A547 Interface FIGURE 1-1. Range of reading 0.005 to 50°C. L x...
CS547A-L Conductivity/Temperature Probe and A547A Interface
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...A547 is available from the one used for each conductivity excitation must be flushed continuously. The strain relief sleeve is usually mounted in EC requires that the probe be separate from Campbell Scientific as leaving it in the sun and then submersing ...Installation CAUTION Rapid heating and cooling of the probe, such as part number 7421. Because the CS547A has a slightly positive buoyancy, we recommend securing the sensor to 50°C. CS547A Conductivity and Temperature Probe and A547 Interface 2.3 Temperature Sensor Thermistor Range Accuracy Betatherm 100K6A1. 0°...
...A547 is available from the one used for each conductivity excitation must be flushed continuously. The strain relief sleeve is usually mounted in EC requires that the probe be separate from Campbell Scientific as leaving it in the sun and then submersing ...Installation CAUTION Rapid heating and cooling of the probe, such as part number 7421. Because the CS547A has a slightly positive buoyancy, we recommend securing the sensor to 50°C. CS547A Conductivity and Temperature Probe and A547 Interface 2.3 Temperature Sensor Thermistor Range Accuracy Betatherm 100K6A1. 0°...
CS547A-L Conductivity/Temperature Probe and A547A Interface
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...the autoranging feature) followed by the user to SE3. Public Variable Declarations / Input Location Labels Definitions for temperature 5.1 Programming Overview Typical datalogger programs to measure the CS547A consist of EC and temperature EC: Resistance across the electrodes is connected to 1L, the HI COND to 1H, the EX COND ...or EX1, the EX TEMP to VX2 or EX2, and the SE TEMP to fit the specific application's wiring and programming needs. CS547A Conductivity and Temperature Probe and A547 Interface Datalogger or AG SE3 VX2 or EX2 VX1 or EX1 1H 1L Ground A547 AG SE TEMP EX TEMP EX ...
...the autoranging feature) followed by the user to SE3. Public Variable Declarations / Input Location Labels Definitions for temperature 5.1 Programming Overview Typical datalogger programs to measure the CS547A consist of EC and temperature EC: Resistance across the electrodes is connected to 1L, the HI COND to 1H, the EX COND ...or EX1, the EX TEMP to VX2 or EX2, and the SE TEMP to fit the specific application's wiring and programming needs. CS547A Conductivity and Temperature Probe and A547 Interface Datalogger or AG SE3 VX2 or EX2 VX1 or EX1 1H 1L Ground A547 AG SE TEMP EX TEMP EX ...
CS547A-L Conductivity/Temperature Probe and A547A Interface
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...; Campbell Scientific has developed a linear correction for conductivity between 0.005 and 0.44 mS cm-1, and a quadratic correction for details on the sample solution can cause large errors. If determining the temperature coefficient is determined at 25°C. In limited ranges, averaging measurements over time may be reported. 5.2 Example Measurement Programs 5.2.1 CRBasic 'Program name: CS547A.CR1...
...; Campbell Scientific has developed a linear correction for conductivity between 0.005 and 0.44 mS cm-1, and a quadratic correction for details on the sample solution can cause large errors. If determining the temperature coefficient is determined at 25°C. In limited ranges, averaging measurements over time may be reported. 5.2 Example Measurement Programs 5.2.1 CRBasic 'Program name: CS547A.CR1...
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CS547A Conductivity and Temperature Probe and A547 Interface PROGRAM BeginProg 'evaluate and edit each of these 3 user specific values Rcable=25 'edit this value to the actual footage of cable ... the cable length (0.000032Kohm/ft) Rp = -Rcable * (0.000032) - 0.005 Rs = Rs + Rp 'EC is then calculated by multiplying the reciprocal of the resistance, 'which is conductance, by the cell constant OneOvrRs = 1 / Rs Ct = OneOvrRs * CellConstant 'the following corrects for errors of ionization in the EC measurement If (Ct < 0.474) Then Ct...
CS547A Conductivity and Temperature Probe and A547 Interface PROGRAM BeginProg 'evaluate and edit each of these 3 user specific values Rcable=25 'edit this value to the actual footage of cable ... the cable length (0.000032Kohm/ft) Rp = -Rcable * (0.000032) - 0.005 Rs = Rs + Rp 'EC is then calculated by multiplying the reciprocal of the resistance, 'which is conductance, by the cell constant OneOvrRs = 1 / Rs Ct = OneOvrRs * CellConstant 'the following corrects for errors of ionization in the EC measurement If (Ct < 0.474) Then Ct...
CS547A-L Conductivity/Temperature Probe and A547A Interface
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CS547A Conductivity and Temperature Probe and A547 Interface 'correct errors in the EC measurement due to temperature Therm107 (TempDeg_C,1,3,Vx2,0,250,1,0) C25mScm = (Ct * 100)/(((TempDeg_C-25) * TempCoef) + 100) 'end scan loop by calling output table CallTable ECSample NextScan EndProg 5.2.2 Edlog *Table 1 Program ...
CS547A Conductivity and Temperature Probe and A547 Interface 'correct errors in the EC measurement due to temperature Therm107 (TempDeg_C,1,3,Vx2,0,250,1,0) C25mScm = (Ct * 100)/(((TempDeg_C-25) * TempCoef) + 100) 'end scan loop by calling output table CallTable ECSample NextScan EndProg 5.2.2 Edlog *Table 1 Program ...
CS547A-L Conductivity/Temperature Probe and A547A Interface
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CS547A Conductivity and Temperature Probe and A547 Interface 6: BR Transform Rf[X/(1-X)] (P59) 1: 1 Reps 2: 1 Loc [ Rs ] 3: 1 Multiplier (Rf) 7: End (P95) 8: If Case Location < F (P83) 1: 9.25 F 2: 30 Then Do 9: Full Bridge (P6) 1: 1 ...
CS547A Conductivity and Temperature Probe and A547 Interface 6: BR Transform Rf[X/(1-X)] (P59) 1: 1 Reps 2: 1 Loc [ Rs ] 3: 1 Multiplier (Rf) 7: End (P95) 8: If Case Location < F (P83) 1: 9.25 F 2: 30 Then Do 9: Full Bridge (P6) 1: 1 ...
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NOTE: The cell constant (Kc) is printed on the label of resistance, ;which is conductance, by the cell constant. It is then calculated by the blocking capacitors ;(0.005Kohm) and the cable length (0.000032kohm/ft). Enter cable lead ;...] ;EC is entered in place of nnn below . ; 17: Z=F (P30) 1: nnn 2: 00 3: 5 F Exponent of 10 Z Loc [ Rp ] Enter cable length in the EC ;measurement. ; 9 CS547A Conductivity and Temperature Probe and A547 Interface ; ;Subtract resistance errors (Rp) caused by multiplying the reciprocal of each sensor or it can be calculated (see Section 6.4).
NOTE: The cell constant (Kc) is printed on the label of resistance, ;which is conductance, by the cell constant. It is then calculated by the blocking capacitors ;(0.005Kohm) and the cable length (0.000032kohm/ft). Enter cable lead ;...] ;EC is entered in place of nnn below . ; 17: Z=F (P30) 1: nnn 2: 00 3: 5 F Exponent of 10 Z Loc [ Rp ] Enter cable length in the EC ;measurement. ; 9 CS547A Conductivity and Temperature Probe and A547 Interface ; ;Subtract resistance errors (Rp) caused by multiplying the reciprocal of each sensor or it can be calculated (see Section 6.4).
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CS547A Conductivity and Temperature Probe and A547 Interface 24: IF (XF) (P89) 1: 3 X Loc [ Ct ] 2: 4 < 3: .474 F 4: 30 Then Do 25: Z=X*F (P37) 1: 3 X Loc [ Ct ] 2: .95031 F 3: 3 Z Loc [ Ct ] 26: Z=X+F (... C1 6: .02846 C2 7: .000000 C3 8: .000000 C4 9: .000000 C5 29: End (P95) ;This next program set will correct errors in the EC measurement resulting ;from temperature differences. ; 30: Temp (107) (P11) 1: 1 Reps 2: 3 SE Channel 3: 2 Excite all reps w/E2 4: 4 Loc [ Temp_degC ] 5: 1.0 Mult 6: 0.0 Offset 31: Z=X+F (P34) 1: 4 X Loc [ Temp_degC ] 2: -25 F ...
CS547A Conductivity and Temperature Probe and A547 Interface 24: IF (XF) (P89) 1: 3 X Loc [ Ct ] 2: 4 < 3: .474 F 4: 30 Then Do 25: Z=X*F (P37) 1: 3 X Loc [ Ct ] 2: .95031 F 3: 3 Z Loc [ Ct ] 26: Z=X+F (... C1 6: .02846 C2 7: .000000 C3 8: .000000 C4 9: .000000 C5 29: End (P95) ;This next program set will correct errors in the EC measurement resulting ;from temperature differences. ; 30: Temp (107) (P11) 1: 1 Reps 2: 3 SE Channel 3: 2 Excite all reps w/E2 4: 4 Loc [ Temp_degC ] 5: 1.0 Mult 6: 0.0 Offset 31: Z=X+F (P34) 1: 4 X Loc [ Temp_degC ] 2: -25 F ...
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CS547A Conductivity and Temperature Probe and A547 Interface 33: Z=X*F (P37) 1: 6 X Loc [ A ] 2: nnn F 3: 8Z Loc [ TC_Proces ] Enter TC (%/°C) to correct cond. reading. 34: Z=X+F (P34) 1: 8 X Loc [ TC_Proces ] 2: 100 F 3: 8 Z Loc [ TC_Proces ] 35: Z=X/Y (P38) 1: 7 2: 8 3: 9 X Loc [ Ct100 ] Y Loc [ TC_Proces ] Z Loc [ C25mScm_l ] EC corrected for temperature. ;Output processing, convention states that the temperature be reported ;with the EC measurement. ; 36: Do (P86...
CS547A Conductivity and Temperature Probe and A547 Interface 33: Z=X*F (P37) 1: 6 X Loc [ A ] 2: nnn F 3: 8Z Loc [ TC_Proces ] Enter TC (%/°C) to correct cond. reading. 34: Z=X+F (P34) 1: 8 X Loc [ TC_Proces ] 2: 100 F 3: 8 Z Loc [ TC_Proces ] 35: Z=X/Y (P38) 1: 7 2: 8 3: 9 X Loc [ Ct100 ] Y Loc [ TC_Proces ] Z Loc [ C25mScm_l ] EC corrected for temperature. ;Output processing, convention states that the temperature be reported ;with the EC measurement. ; 36: Do (P86...
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...of sea water (USGS Water-Supply Paper 1473, p. 102). 6.3 Factory Calibration The CS547A is mS·cm-1 EC measurements can be used units of distilled water, or purchase a calibration solution. 2. CS547A Conductivity and Temperature Probe and A547 Interface 6. The solution has an EC of 1.408 mS cm-1. 6.4 Field... to produce ppm or mg·l-1. 6.2 Typical Ranges Single distilled water will change only if the physical dimensions inside the CS547A probe change. A common practice is to the specific stream is a dimensional number expressed in mS·cm-1 by dissolving 0.7456 g ...
...of sea water (USGS Water-Supply Paper 1473, p. 102). 6.3 Factory Calibration The CS547A is mS·cm-1 EC measurements can be used units of distilled water, or purchase a calibration solution. 2. CS547A Conductivity and Temperature Probe and A547 Interface 6. The solution has an EC of 1.408 mS cm-1. 6.4 Field... to produce ppm or mg·l-1. 6.2 Typical Ranges Single distilled water will change only if the physical dimensions inside the CS547A probe change. A common practice is to the specific stream is a dimensional number expressed in mS·cm-1 by dissolving 0.7456 g ...
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... Program BeginProg 'edit cable length (Rp) to 35°C range. CS547A Conductivity and Temperature Probe and A547 Interface The calibration solution temperature must be between 1°C and 35°C; a polynomial is used to determine new Cell Constant (Kc) for CS547A conductivity probe Public Rs, Rp, T Dim T_25, f_of_T Public Conductivity, Kc Const CalSolution = 1.408 'for 0.01 molal KCL solution...
... Program BeginProg 'edit cable length (Rp) to 35°C range. CS547A Conductivity and Temperature Probe and A547 Interface The calibration solution temperature must be between 1°C and 35°C; a polynomial is used to determine new Cell Constant (Kc) for CS547A conductivity probe Public Rs, Rp, T Dim T_25, f_of_T Public Conductivity, Kc Const CalSolution = 1.408 'for 0.01 molal KCL solution...
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CS547A Conductivity and Temperature Probe and A547 Interface 2: BR Transform Rf[X/(1-X)] (P59) 1: 1 Rep 2: 1 Loc [Rs ] 3: 1 Multiplier (Rf) 3: Z=F (P30) 1: nnn 2: 00 3: 5 F Exponent of 10 Loc [Rp ] 4: Z=X*F (P37) 1: 5 Loc [Rp ] 2: .00032 F 3: 5 Loc [Rp ] 5: Z=X*F (P37) 1: 5 Loc [Rp ] 2: -.1 F 3: 5 Loc [Rp ] 6: Z=X+F (P34) 1: 5 Loc [Rp ] 2: -.005 3: 5 Loc [Rp ] 7: Z=X+Y (P33) 1: 1 X Loc [Rs ] 2: 5 Y Loc [Rp ] 3: 1 Z Loc [Rs ] 8: Temp 107 Probe (P11) 1: 1 Rep 2: 3 IN Chan...
CS547A Conductivity and Temperature Probe and A547 Interface 2: BR Transform Rf[X/(1-X)] (P59) 1: 1 Rep 2: 1 Loc [Rs ] 3: 1 Multiplier (Rf) 3: Z=F (P30) 1: nnn 2: 00 3: 5 F Exponent of 10 Loc [Rp ] 4: Z=X*F (P37) 1: 5 Loc [Rp ] 2: .00032 F 3: 5 Loc [Rp ] 5: Z=X*F (P37) 1: 5 Loc [Rp ] 2: -.1 F 3: 5 Loc [Rp ] 6: Z=X+F (P34) 1: 5 Loc [Rp ] 2: -.005 3: 5 Loc [Rp ] 7: Z=X+Y (P33) 1: 1 X Loc [Rs ] 2: 5 Y Loc [Rp ] 3: 1 Z Loc [Rs ] 8: Temp 107 Probe (P11) 1: 1 Rep 2: 3 IN Chan...
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... the example program to compensate for ionization effects on the measurements. Maintenance Routine maintenance includes thoroughly cleaning the orifice of calibration solution 7. Factors were 15 CS547A Conductivity and Temperature Probe and A547 Interface 11: Polynomial (P55) 1: 1 Rep 2: 3 X Loc [T25_01] 3: 4 F(X) Loc [f_of_T ] 4: .99124 C0 5: -1.8817 C1 6: 3.4789 C2 7: -3.51 C3 8: -1.2 C4 9: -43 C5 12: Z=1/X (P42...
... the example program to compensate for ionization effects on the measurements. Maintenance Routine maintenance includes thoroughly cleaning the orifice of calibration solution 7. Factors were 15 CS547A Conductivity and Temperature Probe and A547 Interface 11: Polynomial (P55) 1: 1 Rep 2: 3 X Loc [T25_01] 3: 4 F(X) Loc [f_of_T ] 4: .99124 C0 5: -1.8817 C1 6: 3.4789 C2 7: -3.51 C3 8: -1.2 C4 9: -43 C5 12: Z=1/X (P42...
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CS547A Conductivity and Temperature Probe and A547 Interface derived by measuring the standard solutions described in Section 2.2 with values of ideal and actual correction between 0 and 0.44 mS cm-1 FIGURE 8.1-2. FIGURE 8.1-1. Plot of ideal and actual correction between 0.44 and 7.0 mS cm-1 16 Plot of 0.0234, 0.07, 0.4471, 07, 1.413, 2.070, 3.920, and 7.0 mS cm-1.
CS547A Conductivity and Temperature Probe and A547 Interface derived by measuring the standard solutions described in Section 2.2 with values of ideal and actual correction between 0 and 0.44 mS cm-1 FIGURE 8.1-2. FIGURE 8.1-1. Plot of ideal and actual correction between 0.44 and 7.0 mS cm-1 16 Plot of 0.0234, 0.07, 0.4471, 07, 1.413, 2.070, 3.920, and 7.0 mS cm-1.
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...;C over the range of -38°C to 50°C the interchangeability error is predominantly offset and can then be determined with a single point calibration. CS547A Conductivity and Temperature Probe and A547 Interface 8.2 Temperature Measurement Error The overall probe accuracy is the interchangeability specification of the thermistor, tabulated in Table 8.2-1. Compensation can be done with a 10 ppm...
...;C over the range of -38°C to 50°C the interchangeability error is predominantly offset and can then be determined with a single point calibration. CS547A Conductivity and Temperature Probe and A547 Interface 8.2 Temperature Measurement Error The overall probe accuracy is the interchangeability specification of the thermistor, tabulated in Table 8.2-1. Compensation can be done with a 10 ppm...
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...) and measures the voltage drop due to 25°C. 2. The polynomial input is not necessary for more information on bridge measurements. Record Ct at several temperatures are given in Edlog) outputs a precise 2 VAC excitation (4 V with temperature. The Therm107 instruction (or P11 in Table 10-2. Deriving a Temperature Compensation Coefficient 1. CS547A Conductivity and Temperature Probe and A547 Interface 9.
...) and measures the voltage drop due to 25°C. 2. The polynomial input is not necessary for more information on bridge measurements. Record Ct at several temperatures are given in Edlog) outputs a precise 2 VAC excitation (4 V with temperature. The Therm107 instruction (or P11 in Table 10-2. Deriving a Temperature Compensation Coefficient 1. CS547A Conductivity and Temperature Probe and A547 Interface 9.