Yokogawa SPS24 Bedienungsanleitung PDF herunterladen (Seite 18)

<3. Sensor Management>

3-1

IM 12A01S02-01E 1st Edition : May 10, 2013-00

3. Sensor Management

Clicking on [Sensor management] from the toolbar will display “Current measurement readings,”

which shows the measurement value of sensors connected to the PC.

With this function, users can view sensor measurements, adjust sensor performance and

settings, or calibrate sensors.

By default, measurement targets and calibration objects are as shown in Table 3.1.

Table 3.1 Measurement targets and calibration objects

Sensor type *1 pH+ORP measurement *2 Measurement Target Calibration object *3

pH Functions as a pH sensor

regardless of the setting

pH, Temperature pH, Temperature

ORP *4 Functions as an ORP sensor

regardless of the setting

ORP, Temperature ORP, Temperature

pH+ORP pH pH, Temperature pH, Temperature

ORP *4 ORP, Temperature ORP, Temperature

pH+ORP pH, ORP, Temperature pH, ORP, Temperature

pH+rH pH, rH, Temperature pH, rH, Temperature

rH rH, Temperature rH, Temperature

*1: “Sensortype”optionsof[Sensormanagement]–[Sensorsetup].

*2: “pH+ORPmeasurement”optionsof[Setup]–[pH/ORP]–[pH/ORPcommonsettings].

*3: “Calibrationobject”optionsof[Sensormanagement]–[Startcalibration]–[Calibrationwizard].

*4: In the case of the ORP measurement on the basis of a reference electrode, please choose “ORP” of Sensor type “pH+ORP.”

In the case of the ORP measurement on the basis of a glass electrode, please choose Sensor type “ORP.”

For details, refer to User’s Manual of Model FLXA21 2-Wire Analyzer (IM 12A01A02-01E).

3.1 [Performance]

Clicking on [Performance] in “Current measurement readings” will display the sensor

performance screen, which shows the sensor information.

Table 3.2 Sensor performance

Item Description

Calibration /

Maintenande

information

Last calibration pH, ORP, rH,

Temperature

Date/timeoflastcalibrationandtypeofcalibration

Projectes replacement Dateofsensorreplacementrequiredformeasurementaccuracy,

which is predicted based on the preventative maintenance

function.

Calibration

data

pH zero, slope Calibration value and date/time of last update

ORP zero, slope

rH zero, slope

Temperature offset

Sensor

wellness

Zero, Slope, Impedance 1,

Impedance 2

Sensor health

Higher % value of each gauge means superior parameter health.

Measuring

data

pH sensor Electromotive force of the pH sensor

ORP sensor Electromotive force of the ORP sensor

rH sensor Electromotive force of the rH sensor

Impedance 1 Glassmembraneresistance(fordetectingpossibledamageto

the glass electrode)

Impedance 2 Impedance of the reference electrode junction

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 34 35

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