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< PART – B Software >
B-91
IM 39J06B40-01EN 14th Edition: May 30, 2022
SEE ALSO
For details on how the wavenumber is calculated, see Chapter C2.
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Correction
The correction function performs correction of DTSX3000 measured temperature using
linear correction coefficients. We do not recommend using this correction function of the
DTSX3000; it is provided for compatibility reasons. To perform temperature correction
using linear correction coefficients, enable [Use] and specify the following parameters.
- Linearity
Specify the linearity as a value from 0.001 to 9.999 in units of 0.001.
- Slope
Specify the temperature slope (the temperature change [deg C] per 100 meters) as
a value from -9.999 to 9.999 in units of 0.001.
- Offset
Specify the temperature offset as a value from -273.15 [deg C] to 999.99 [degC] in
units of 0.01 [deg C].
The corrected measured temperature is calculated using the following formula:
Corrected temperature (°C)
= Linearity x pre-correction temperature (°C) + Slope x (Depth (m) / 100) + Offset (°C)

Noise Filter
A noise filter can be installed at ±5 m of an optical fiber splice point to reduce spike
noise.
A noise filter can be configured for each spliced fiber section; the setting will apply to the
splice connecting the previous section. For instance, if a noise filter function is defined
for section 2 of the sensor optical fiber, a noise filter is installed at ±5 m of the boundary
between section 1 and section 2.
A median filter is used for noise filtering.
To use the noise filter function, enable [Use], and specify the following parameter.
- Number Of Data
Select either 3 Points or 5 Points for the number of points for the median filter.