BKI 11 ATEX 0012 X le00100a0600p_05 3 / 60
TABLE OF CONTENTS
1. INTRODUCTION.............................................................................................................................................................................................................................. 5
1.1. APPLICATION ............................................................................................................................................................................................................................ 5
1.2. OPERATION PRINCIPLE............................................................................................................................................................................................................... 5
1.2.1. Characteristics of an ideal pH electrode .......................................................................................................................................................................................................... 5
1.2.2. Characteristics of an ideal ORP electrode....................................................................................................................................................................................................... 6
1.2.3. Characteristics of an ideal DO sensor ............................................................................................................................................................................................................. 6
2. ORDER CODES............................................................................................................................................................................................................................... 7
2.1. CONFIGURATIONS.................................................................................................................................................................................................................... 11
3. TECHNICAL DATA........................................................................................................................................................................................................................ 16
3.1. TECHNICAL DATA OF THE PH ELECTRODES (INCLUDING EX VERSIONS) FOR LP-- INSTRUMENTS ................................................................................. 18
3.2. TECHNICAL DATA OF THE ORP ELECTRODES (INCLUDING EX VERSIONS) FOR LR-- INSTRUMENTS............................................................................. 20
3.3. TECHNICAL DATA OF THE DO SENSORS (INCLUDING EX VERSIONS) FOR LD-- INSTRUMENTS ..................................................................................... 22
3.4. ACCESSORIES......................................................................................................................................................................................................................... 22
4. MAINTENANCE AND REAPAIR................................................................................................................................................................................................... 23
4.1. STORAGE ............................................................................................................................................................................................................................... 23
4.2. PERIODIC SETTING, CALIBRATION AND VERIFICATION .................................................................................................................................................................. 23
4.2.1. Periodic calibration of the pH electrode ......................................................................................................................................................................................................... 24
4.2.2. Verification of the ORP electrode .................................................................................................................................................................................................................. 25
4.2.3. Periodic calibration of the DO sensor ............................................................................................................................................................................................................ 25
4.3. MAINTENANCE OF THE PH AND ORP ELECTRODES .................................................................................................................................................................... 27
4.4. MAINTENANCE OF THE DO SENSOR .......................................................................................................................................................................................... 29
4.5. SOFTWARE UPDATE................................................................................................................................................................................................................. 29
5. INSTALLATION............................................................................................................................................................................................................................. 30
5.1. MOUNTING.............................................................................................................................................................................................................................. 30
5.1.1. Installation of pH and ORP electrodes........................................................................................................................................................................................................... 30
5.1.2. Installation of DO sensor ............................................................................................................................................................................................................................... 31
5.1.3. Special application possibilities of the Integrated type instruments............................................................................................................................................................... 33
5.2. WIRING................................................................................................................................................................................................................................... 34
5.2.1. Wiring of Compact instruments...................................................................................................................................................................................................................... 34
5.2.2. Wiring of Integrated instruments.................................................................................................................................................................................................................... 35
5.3. LOOP CURRENT CHECKING WITH HAND INSTRUMENT.................................................................................................................................................................. 35
5.4. CONDITIONS OF EX APPLICATION .............................................................................................................................................................................................. 35