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Model B12-69 Wet Oxidant Gas Transmitter

O & M Manual

- 2 -

Rev-G, 7/15

TABLE OF CONTENTS

INTRODUCTION ........................................................................................................................................... 4

SPECIFICATIONS ......................................................................................................................................... 6

INSTALLATION ............................................................................................................................................ 7

MECHANICAL

MOUNTING ....................................................................................................................... 7

ELECTRICAL CONNECTION ....................................................................................................................... 9

WET OXIDXANT GAS SENSOR ASSEMBLY ........................................................................................... 11

OPERATION ............................................................................................................................................... 13

TRANSMITTER

TEST

POINTS ............................................................................................................... 13

DIGITAL

DISPLAY

OPTION .................................................................................................................... 14

CALIBRATION ............................................................................................................................................ 15

ZERO

ADJUSTMENT .............................................................................................................................. 15

SPAN

ADJUSTMENT .............................................................................................................................. 15

SENSOR

RESPONSE

TEST ................................................................................................................... 16

MAINTENANCE .......................................................................................................................................... 17

SPARE PARTS LIST .................................................................................................................................. 18

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Содержание B12-69

Страница 1: ...Technology Inc ATI UK Limited 6 Iron Bridge Drive Unit 1 2 Gatehead Business Park Collegeville PA 19426 Delph New Road Delph Phone 800 959 0299 Saddleworth OL3 5DE 610 917 0991 Phone 44 0 1457 873 318...

Страница 2: ...4 SPECIFICATIONS 6 INSTALLATION 7 MECHANICAL MOUNTING 7 ELECTRICAL CONNECTION 9 WET OXIDXANT GAS SENSOR ASSEMBLY 11 OPERATION 13 TRANSMITTER TEST POINTS 13 DIGITAL DISPLAY OPTION 14 CALIBRATION 15 ZE...

Страница 3: ...ATI 0223 5 FIGURE 3 NEMA 4X TRANSMITTER ENCLOSURE DIMENSIONS ATI 0198 7 FIGURE 4 EXPOLSION PROOF TRANSMITTER ENCLOSURE DIMENSIONS ATI 0226 8 FIGURE 5 WET OXIDANT GAS SENSOR DIMENSIONS ATI 0276 8 FIGU...

Страница 4: ...als in the transmitter through the Pg 11 cable gland located in one of the enclosure knockouts One cable gland and one conduit hub is supplied for customer installation An optional LCD provides local...

Страница 5: ...15 Figure 2 shows a typical flow through B12 69 gas monitoring system The sensor is shown with the low volume flowcell in place If used in insertion applications the low volume flowcell must be remov...

Страница 6: ...ability 1 of span Electronic Linearity 0 5 of span Output Loop powered 4 20 mA 675 ohms maximum at 24 VDC Power 12 28 VDC Display None Optional LCD available Enclosure NEMA 4X polystyrene Explosion pr...

Страница 7: ...t is to be used for wiring the transmitter the transmitter can be supported directly from the conduit system without the use of mounting screws The transmitter weighs only 4 ounces so normal conduit s...

Страница 8: ...is used to mount to the vent The sensor should be installed perpendicular to the air flow and should be inserted far enough into the vent so that the sensor tip is at least into the stack The 1 adapt...

Страница 9: ...r the sensor wire and a conduit hub for output loop connection The sensor connects to terminal block TB2 on the transmitter circuit board as shown in Figure 6 The output loop wiring is connected to TB...

Страница 10: ...Model B12 69 Wet Oxidant Gas Transmitter O M Manual 10 Rev G 7 15 Figure 7 Electrical Connections ATI 0182...

Страница 11: ...the side of the sensing element 2 Remove the front nut from the bottom of the chamber and discard the protective membrane O rings are contained in grooves on both the bottom and top of the chamber Be...

Страница 12: ...g at the top of the chamber is compressed Once again do not use tools to tighten 7 Shake excess electrolyte from the vent hole on the side of the sensor and replace the fill screw and o ring The sensi...

Страница 13: ...l and the system must be allowed to stabilize for at least a few hours before making any adjustments The sensor must be connected to the transmitter and the transmitter must be powered for the sensor...

Страница 14: ...n is not available on explosion proof transmitters The LCD indicates gas concentration directly in PPM or depending on the range It is directly in the 4 20 mA output circuit so that it is a very accur...

Страница 15: ...at it is no longer declining and that it is stable 4 mv Use the zero potentiometer Figure 6 to adjust the test point voltage to 0 040 VDC 40 mv If the transmitter is supplied with the LCD option no DV...

Страница 16: ...e the response at the transmitter without display it is necessary to connect a DVM to the test points indicated in Figure 6 If the transmitter is supplied with the LCD option no DVM is required Place...

Страница 17: ...wet oxidant gas sensor uses a microporous membrane that can lose sensitivity with the accumulation of solids or precipitates in the membrane As a preventive measure sensors should be rebuilt with new...

Страница 18: ...ing screws pkg of 4 for Explosion proof enclosure 44 0017 Pg 16 to NPT conduit hub with nut 44 0018 Seal ring required for NEMA 4X rating on conduit hubs 00 0077 Wet oxidant acid gas sensor 02 0016 Se...

Страница 19: ...improper storage or extended exposure to excessive gas concentrations Should inspection indicate that sensors have failed due to any of the above the warranty shall not apply The Manufacturer assumes...

Страница 20: ...DUCTS NH3 Ammonia CO Carbon Monoxide H2 Hydrogen NO Nitric Oxide O2 Oxygen CO Cl2 Phosgene Br2 Bromine Cl2 Chlorine ClO2 Chlorine Dioxide F2 Fluorine I2 Iodine HX Acid Gases C2H4O Ethylene Oxide C2H6O...

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