Tecnosens NCL C10, Руководство по сборке

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4. Activation and Maintenance of the Sensor
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4 A
CTIVATION AND MAINTENANCE OF THE SENSOR
4.1 S
ENSOR
C
OMMISSIONING
Once the sensor has been mounted on the probe holder and checked the
correct working conditions, such as the probe insertion height, the control
water flow rate and the pressure, and the connection to the electrical
measuring system has been made, the activation times of the probe are those
shown in Table 3. In any case, the activation times depend on the working
conditions of the system where the sensor is placed.
Table 3: Activation times required for the probe to provide a stable signal
Phase Time [h]
First Installation 1 ÷ 24
Subsequent installations 1 ÷ 24
Gel and/or Cap replacement 1 ÷ 3
4.2 C
ALIBRATION
The probe calibration must be carried out once the probe signal is stable,
therefore not before the activation times indicated in Table 3.
The calibration of the measuring instrument connected to the probe must be
carried out and checked periodically using the DPD-1 method ("Free Chlorine").
P
ROBE
C
ALIBRATION
Depending on the accuracy required of the probe, it may be necessary to
calibrate once a week. It may be necessary to carry out calibration whenever
the working conditions of the water are changed (analyte concentration,
temperature or pressure), or after replacing the gel electrolyte and/or
membrane.