Operational specifications
Relative dielectric permittivity specifications provides the operational specifications.
|
CS650 |
CS655 |
---|---|---|
Relative dielectric permittivity |
||
Range |
1 to 81 |
|
Accuracy† 1 to 40: |
±(2% of reading + 0.6) for solution electrical conductivity (EC) ≤3 dS/m |
±(3% of reading + 0.8) for solution EC ≤8 dS/m |
40 to 80: |
±1.4 for solution EC ≤3 dS/m |
±2 for solution EC ≤2.8 dS/m |
Precision‡ |
<0.02 |
|
Volumetric water content |
||
Range |
0% to 100% |
|
Accuracy† |
±1% (with soil specific calibration), ±3% (typical with factory VWC model) where solution EC < 3 dS/m |
±1% (with soil specific calibration), ±3% (typical with factory VWC model) where solution EC < 10 dS/m |
Precision‡ |
<0.05% |
|
Electrical conductivity |
||
Range solution EC |
0 to 3 dS/m |
0 to 8 dS/m |
Range bulk EC |
0 to 3 dS/m |
0 to 8 dS/m |
Accuracy† |
±(5% of reading + 0.05 dS/m) |
|
Precision‡ |
0.5% of bulk electrical conductivity (BEC) |
|
Temperature |
||
Range |
–50 to 70 °C |
|
Resolution |
0.001 °C |
|
Accuracy† |
±0.1 °C
(for typical soil temperatures |
|
Precision‡ |
±0.02 °C |
|
Sensing volume* |
7800 cm3 |
3600 cm3 |