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°C

+88

NITE

ULLAGE/ INTERFACE

TEMPERATURE

POWER

OFF / ON

HORN TONE
STEADY

IN OIL

LIGHT

HORN BEEPS

AT OIL- WATER

INTERFACE

MODE SELECT

U / I T°

INTRINSICALLY SAFE APPARATUS

PUSH

WARNING USE ONLY DURACELL/PROCELL MN1604 BATTERY REPLACEMENT

DO NOT REPLACE BATTERY WHERE AN EXPLOSIVE GAS ATMOSPHERE MAY

BE PRESENT.

BE AWARE OF POTENTIAL ELECTRO-STACTIC CHARGING HAZARDS AFTER

LOADING DISTILLED PETROLEUM PRODUCTS . SEE INSTRUCTION MANUAL
THIS DEVICE MUST BE GROUNDED. SEE INSTRUCTION LABEL.

MMC INTERNATIONAL CORP.

INWOOD, NY

YEAR MANUF.

MOD. D-2401-2

SER. NO..

BASEEFA

Ex ia IIC T4 Ga

-20 °C ≤Ta ≤ +40 °C

2813

TRI

MODE

II 1 G

BAS02ATEX1274X

LED

GOLD FILED BOXES

Содержание D-2401-2

Страница 1: ...RE OF ULLAGE OIL WATER INTERFACE AND TEMPERATURE MODEL D 2401 2 TECHNICAL APPROVED BY CSA ATEX FOR CLASS I DIVISION I GROUPS C D AND LLOYD S REGISTER BUREAU VERITAS MED APPROVED IN ACCORDANCE WITH IMO...

Страница 2: ...S AND RECOMMENDATIONS FOR SAFE USAGE 7 4 1 REQUIRED CONDITIONS 7 4 2 RECOMMENDED SAFE USAGE CONDITIONS 7 4 3 GROUNDING PRECAUTIONS 7 8 V GAUGING TAPE OPERATION 9 5 1 TANK ENTRY 9 5 2 PRODUCT GAUGING O...

Страница 3: ...8 1 ULLAGE AND INTERFACE 15 8 2 TEMPERATURE SENSOR CALIBRATION 15 16 IX GAUGING TAPE REPLACEMENT 17 18 X HUB COVER AND P C BOARD REPLACEMENT 19 XI FAULT FINDING 20 21 XII APPENDIX 22 XIII WARRANTY 23...

Страница 4: ...ing product such as a petroleum product and water is a steady tone changing to a beeping tone at the interface level A special note to our chemical customers is the fact that some chemical cargoes may...

Страница 5: ...installed by suitably trained personnel in accordance with the applicable code of practice typically IEC EN 60079 14 5 The equipment does not require assembly or dismantling 6 With regard to safety i...

Страница 6: ...MM Minimum Detectable Floating Product Level 1 8 3MM Batteries for Intrinsically Safe Operation Only Duracell MN1604 supplied Battery Drain Temperature Mode 1 3 ma In Air 2 6 ma In Fluid Display 3 1 2...

Страница 7: ...in accordance with API Chapter MPMS 3 1A industrial guideline System Linear Accuracy English Reading 1 8 of reading Metric Reading 2MM of reading plus 0 01 of total tape length GENERAL STATEMENT OF LI...

Страница 8: ...el Fasteners Nylon Coated Aluminum Reel Housing for Lightweight Portability Low Battery Display Indicator High Daylight Visibility with Liquid Crystal Display Push Button Night Light Rapid Multiple Te...

Страница 9: ...und return The plastic surface of the tape has been treated to make it sufficiently conductive to prevent the build up of static charges Temperature indication is provided by a large digital liquid cr...

Страница 10: ...reel hub assembly below the P C board of the modular hub cover assembly 3 4 When the system is placed in the ullage interface mode and as the sensor is immersed in a non conductive fluid such as oil...

Страница 11: ...adjustment A complete temperature calibration procedure is later described in this manual See section VIII Temperature recalibration is recommended at yearly intervals Please note that units returned...

Страница 12: ...the Tri Mode gauging assembly shown on drawing S 256201TR has been carefully constructed to eliminate the escape of cargo vapors to the atmosphere and to minimize exposure of operating personnel to th...

Страница 13: ...o clean oils as generally easing the need for proper precaution unless actual and specific product testing has shown the product to have conductivity levels which eliminate the danger of static electr...

Страница 14: ...el hub clockwise To lock the reel at a desired tank depth pull the knurled knob up and out of its hub socket and rotate it downward against the case The reel is not locked To unlock the reel reverse t...

Страница 15: ...ding the tape after having fully payed out the tape length in an opposite fold over sense When a tape is fully extended a hard stop to further tape reel rotation will occur Do not force this stop as t...

Страница 16: ...to D converter some digital displays whenever is the Ullage Interface mode will read 00 0 instead of 1XX X 6 1 4 Now momentarily depress the Mode switch at the right of the panel The display should n...

Страница 17: ...lage referenced point and read ullage on tape Note this reading as the surface liquid ullage level 6 2 8 To find the oil water interface point continue to lower the sensor into fluid noting that the a...

Страница 18: ...oggling procedure is a necessity to ensure accurate readings The viscous nature and low thermal conductivity properties of these petroleum products makes the joggling procedure a necessity to ensure a...

Страница 19: ...t the upper left corner of the display If the sensor is used to obtain temperature reading when the battery is low large errors may result Always replace battery in a gas free atmosphere Remove the si...

Страница 20: ...ted in one tenth degree intervals If mercury thermometers are employed use two separate thermometers to provide greater resolution One to cover low temperatures and the other to cover the high tempera...

Страница 21: ...d bath with the sensor and stir Now adjust the span potentiometer until the two readings are equal the displayed reading and the reading of reference thermometer 8 2 12 Check readings in hot bath Slig...

Страница 22: ...and main reel housing cover 9 2 With the main reel cover removed the tape reel and tape pay out through the wiper housing can be seen Take careful note of how the tape is directed around the various r...

Страница 23: ...uter reel plate and it s flat head screw attachment to the reel core With the partially assembled tape reel still freewheeling on the drive shaft alight the slotted end of the drive shaft to be in lin...

Страница 24: ...res goes to a point on the P C Board labeled V The other to a point on P C Board labeled SIG Note which goes to top and which goes to bottom conductor For example SIG to top connector and V to bottom...

Страница 25: ...ush button switch Check the switch with an Ohmmeter as explained in Problem No 1 above PROBLEM NO 3 Unit turns on and off however when Mode switch is depressed system does not switch to temperature it...

Страница 26: ...tom side only with cotton swab wet with alcohol being careful not to saturate LCD with fluid CAUTION Do not spray contact cleaner on LCD display or permanent damage may be incurred Re assemble in reve...

Страница 27: ...APPENDIX PAGE NUMBER A MMC Warranty Statement 23 B Glossary of Approvals 24 C Temperature Conversion Chart 25 D List of Corrosive Chemicals 26 E Guideline for Tape Repair 27 F List of Drawings 28 22...

Страница 28: ...his product within hazardous chemical substances It is the responsibility of the buyer to clean or decontaminate this product before returning for repairs Buyer s refusal will void repair warranty at...

Страница 29: ...SPECTION BODIES APPORVALS ABS American Bureau of Shipping CCS China Classification Society DNV Det Norske Veritas Norway LLOYD S Lloyd s of London U K BV Bureau of Veritas GAUGING TAPE AND OTHER MEASU...

Страница 30: ...96 91 11 71 6 22 5 56 230 0 110 43 33 388 4 198 92 22 75 2 24 4 44 233 6 112 44 44 392 0 200 93 33 78 8 26 3 33 237 2 114 45 56 395 6 202 94 44 82 4 28 2 22 240 8 116 46 67 399 2 204 95 56 86 0 30 1 1...

Страница 31: ...L2 CHLOROBENZENE C6H5CL NITRO BENZENE C6H5NO2 CRESOL CH3C6H4OH PHENOL C6H5OH CYCLOHEXANONE C6H10O PYRDINE C5H5OH DICHLOROBENZENE C6H4CL2 TOLUENE C6H5CH2 1 2 DICHLORETHANE CH2CLCH2CL TRICLOROETHYLENE C...

Страница 32: ...mers as much as possible we have developed three sets of modules which can be purchased as units and installed by the owners of the tapes However we must know the serial number of the tapes involved i...

Страница 33: ...auging B 2401 31 A P C Board Component Placement LCD Assembly B 2401 72 C Sub Assembly Hub Cover plate and P C Board ATEX B 2562 92 B Tape Wiper to Barrel Assembly B 2562 269 B Tape Wiper and Plate Su...

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Страница 37: ...Y REPLACEMENT DO NOT REPLACE BATTERY WHERE AN EXPLOSIVE GAS ATMOSPHERE MAY BE PRESENT BE AWARE OF POTENTIAL ELECTRO STACTIC CHARGING HAZARDS AFTER LOADING DISTILLED PETROLEUM PRODUCTS SEE INSTRUCTION...

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