MMC D-2615-11 Скачать руководство пользователя страница 25 | Manualshive

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Содержание D-2615-11

Страница 1: ...SENSOR GAUGING TAPE CLOSED AND RESTRICTED APPLICATIONS MODEL D 2615 11 APPROVED BY BASEEFA AS INTRINSICALLY SAFE FOR USE IN CLASS I DIVISION I GROUPS C D HAZARDOUS ENVIRONMENTS MMC INTERNATIONAL CORP...

Страница 2: ...S 7 4 2 RECOMMENDED SAFE USAGE CONDITIONS 7 4 3 FLUID LEVEL ULLAGE OF TANK OR OTHER VESSEL 8 V OPERATION 5 1 FAMILIARIZATION WITH OPERATING CONTROLS FEATURES LOCATED ON THE TAPE REEL HUB BEZEL NAMEPLA...

Страница 3: ...CONTINUED FROM PREVIOUS PAGE VII CALIBRATION PROCEDURE 7 1 METHOD OF CALIBRATION 12 VIII FAULT FINDING 14 15 IX APPENDIX 16 X LIST OF APPLICABLE DRAWINGS 24...

Страница 4: ...1000 Hours Depends on night light use Battery Drain Display Night Light off 1 0 MA IN AIR 0 7 ma with 8 Oxygen Night Light Battery Drain 9 0 ma use Storage Temperature 20 C to 40 C Tape Length Standar...

Страница 5: ...ape Reel Position Lock Watertight Electronics Housing with Sealed Switches Stainless Steel Fasteners Nylon Coated Aluminum Frame for lightweight portability Low Battery Indicator Liquid Crystal Displa...

Страница 6: ...replacing oxygen cells WARNING This equipment is solely intended for use in determining the percent by volume of the oxygen that may be present in a protective blanket of inert gas It is not claimed o...

Страница 7: ...an 8 level 2 6 A single 9 volt battery contained within the hub assembly powers the oxygen sensor tape and sensor assembly Battery drain is extremely low approximately 0 75 milli amperes and if the un...

Страница 8: ...may be used to give instant push button calibration of the system in air See section 7 0 3 5 When the oxygen sensor is powered in a normal ambient environment the reading of the digital will show an...

Страница 9: ...flash slowly The horn is silent If the sensor is now lowered into a tank which contains an oxygen level below 18 but above 8 the horn will now emit a pulsating audible tone and the red lamp will then...

Страница 10: ...CONDITIONS 4 2 1 The apparatus sensor should preferable be entered into a tank or vessel within an earthed sounding tube or pipe where such devices are provided and are normally used for temperature...

Страница 11: ...liable means 4 3 2 With the fluid level known the oxygen sensor can be entered into the tank and unreeled to the mid point position of free space above and between the liquid level and tank top CAUTIO...

Страница 12: ...NTIFICATION FUNCTION IDENTIFICATION FUNCTION DIGITAL DIS LAY PERCENT OXYGEN DISPLAYED LO EAT LOW EATI ERY INDICATOR L E D RSD RAPIDLY FT ASHES WHEN OXYGEN 0 LEVEL IS ABOVE 8 SLOWLY FLASHES AT LEVEL AB...

Страница 13: ...turning 6 0 6 Never permit tape and sensor head to unwind freely control speed of descent by use of a restraining force on tape reel crank 6 1 BATTERY REPLACEMENT In Safe Area Only The battery should...

Страница 14: ...he cell assembly Replace screen and retaining cap Then follow procedure given for cell calibration in Section 7 0 6 3 GAUGING TAPE REPLACEMENT In case of damage the gauging tape may be replaced by fol...

Страница 15: ...aking sure that the tape numerals face in the same direction as the previous tape numerals faced 6 3 13 Use a silicone rubber sealant to re seal area around slotted tape entrance to reel hub Re wind t...

Страница 16: ...ned look at the upper left corner of the display If LO BAT appears indicating a low battery condition replace the 9 volt battery contained in the hub following the procedure given in Section 6 Note Wh...

Страница 17: ...is symptom is usually indicative of a faulty power On Off push button switch Check the switch with an Ohmmeter as explained in Problem No 1 above PROBLEM NO 3 When turned on in normal air unit does no...

Страница 18: ...Hold the cell housing so that the V notch in the center ring of the connector is up See drawing A 2615 17 Connect the positive lead of a digital voltmeter capable of reading millivolts to pin from th...

Страница 19: ...ay only make circuitry repair Unauthorized repairs will void any guarantee or warranty given elsewhere in this manual In addition to the above statement it is equally if not more important to understa...

Страница 20: ...APPENDIX PAGE NUMBER A MMC Warranty Statement 21 B Oxygen Sensor Gauging Tape Warranty Addendum 22 C Glossary of Approvals 23 D BASEEFA Certificate of Conformity Ex93C2037X 25 28 20...

Страница 21: ...upon discovery of the defects B Upon receipt of written authorization from the seller the equipment is to be returned as directed transportation prepaid by the buyer C Buyer is to disclose the use of...

Страница 22: ...reements with the above mentioned approval agencies and yet accommodate our customers as much as possible we have developed four modules which can be purchased as units installed by the owners of the...

Страница 23: ...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 24: ...2615 17 Oxygen Sensor Cell Outline Drawing B 2615 14 Tape Reel Hub Electronics Module Assembly S 2615 OCX Flexi Dip Portable Tape Assembly Oxygen Sensor Closed Gauging DB 2615 1FRX Flexi Dip Portable...

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