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YOKOGAWA FLXA21 User Manual

YOKOGAWA FLXA21
274 pages
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Users
Manual
Model FLXA202 / FLXA21
2-Wire Analyzer
IM 12A01A02-01E
IM 12A01A02-01E
8th Edition

Table of Contents

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YOKOGAWA FLXA21 Specifications

General IconGeneral
DisplayLCD with backlight
MaterialPolycarbonate
MeasurementpH, ORP, Conductivity, Dissolved Oxygen
Measurement PrincipleElectrochemical
Measurement RangeVaries based on sensor type
AccuracyVaries depending on the sensor and measurement type. Refer to the specific sensor datasheet.
Temperature CompensationAutomatic
Inputstemperature input
OutputsTwo 4-20 mA outputs, HART communication
CommunicationHART
Power Supply24 V DC
Operating Temperature0 to 50 °C
Process TemperatureVaries depending on the sensor. Refer to the specific sensor datasheet.
Process PressureVaries depending on the sensor. Refer to the specific sensor datasheet.
Protection RatingIP66/67, NEMA 4X
Enclosure RatingNEMA 4X

Summary

1. INTRODUCTION AND GENERAL DESCRIPTION

1.1 Instrument check

Verifying the instrument upon delivery for any damage during shipment.

1.4 Regulatory Compliance

Information on safety, EMC, and intrinsic safety approvals and standards.

2. WIRING AND INSTALLATION

2.4 Wiring the power supply

Instructions for connecting the instrument to the power supply according to specifications.

2.5 Sensor wiring

Detailed guidance on connecting various sensor types to the instrument modules.

3. OPERATION OF pH/ORP

3.2 Quick setup

Initial setup steps for basic instrument configuration like date/time and sensor settings.

4. COMMISSIONING OF pH/ORP

4.1 Sensor setup

Selecting and configuring the connected sensor type for accurate measurements.

4.2 Measurement setup

Setting up various parameters related to measurements, dependent on sensor type.

4.3 Output setup

Defining the instrument's output function (Output or Simulate) and process parameters.

4.4 Error configuration

Configuring how the system notifies users of various error causes and their statuses.

5. CALIBRATION OF pH/ORP

5.1 pH calibration

Detailed steps for calibrating the pH sensor using manual, automatic, or sample modes.

6. OPERATION OF SC (Conductivity)

6.2 Quick setup

Initial setup steps for basic instrument configuration like date/time and sensor settings.

6.7 Calibration and Commissioning

Allows calibration and configuration of the instrument, with password protection options.

7. COMMISSIONING OF SC (Conductivity)

7.1 Measurement setup

Setting up various parameters related to measurements, dependent on sensor type.

7.2 Output setup

Defining the instrument's output function (Output or Simulate) and process parameters.

7.3 Error configuration

Configuring how the system notifies users of various error causes and their statuses.

8. CALIBRATION OF SC (Conductivity)

8.1 Cell constant (manual)

Manual adjustment of the sensor's cell constant for accurate conductivity measurements.

9. OPERATION OF ISC (Inductive Conductivity)

9.2 Quick setup

Initial setup steps for basic instrument configuration like date/time and sensor settings.

9.7 Calibration and Commissioning

Allows calibration and configuration of the instrument, with password protection options.

10. COMMISSIONING OF ISC (Inductive Conductivity)

10.1 Measurement setup

Setting up various parameters related to measurements, dependent on sensor type.

10.2 Output setup

Defining the instrument's output function (Output or Simulate) and process parameters.

10.3 Error configuration

Configuring how the system notifies users of various error causes and their statuses.

11. CALIBRATION OF ISC (Inductive Conductivity)

11.1 Cell constant (manual)

Manual adjustment of the sensor's cell constant for accurate conductivity measurements.

12. OPERATION OF DO (Dissolved Oxygen)

12.2 Quick setup

Initial setup steps for basic instrument configuration like date/time and sensor settings.

12.7 Calibration and Commissioning

Allows calibration and configuration of the instrument, with password protection options.

13. COMMISSIONING OF DO (Dissolved Oxygen)

13.1 Sensor setup

Selecting and configuring the connected sensor type for accurate measurements.

13.3 Output setup

Defining the instrument's output function (Output or Simulate) and process parameters.

13.4 Error configuration

Configuring how the system notifies users of various error causes and their statuses.

14. CALIBRATION OF DO (Dissolved Oxygen)

16. COMMISSIONING OF SENCOM pH/ORP

16.3 Output setup

Defining the instrument's output function (Output or Simulate) and process parameters.

16.4 Error configuration

Configuring how the system notifies users of various error causes and their statuses.

17. CALIBRATION OF SENCOM pH/ORP

17.1 pH calibration

Detailed steps for calibrating the pH sensor using manual, automatic, or sample modes.

19. TROUBLESHOOTING

FLXA21 Replacement of Modules

Procedures for safely replacing modules in the FLXA21 instrument.

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