Enmet ISA-44-RALE-OD Manual do Utilizador

ENMETENMET CorporationPO Box 979Ann Arbor, MI 48106-097980003 – 01807-01-91MCN-204; 04/03/00MCN-226; 04/03/00MCN-304, 10/17/03ISA – 44RALE-ODISA – 44R

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD62.0 Features of ISA-44RALE-OD / ISA-44E-OD2.0 Features of ISA-44RALE-OD / ISA-44E-ODControl U

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation7Oxygen Channel:Feature DescriptionMeter Indicates percent by volume oxygen in sampled air. L

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD8Figure 2: Features Sample Head AssemblyFigure 3: Features Terminal Enclosure with Sensors &am

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation9Sample Head Assembly see figure 2Feature DescriptionSample HeadAssemblyThis assembly includes

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD103.0 Installation and Warm-up3.0 Installation and Warm-upWARNING: Area must be declassified d

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation11PRECAUTIONS:♦ Do not drill holes in the enclosures to mount them.♦ Use caution with compress

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD12Figure 4: Interior Terminal EnclosureTable 3: Wiring Information Terminal EnclosureFor ISA-4

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation13Figure 5: View of Terminal PlateTable 4: Wiring Information Terminal PlateFor ISA-44RALE-OD/

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD144.0 Operation4.0 Operation4.1 Operation of the ISA-44RALE-ODThe ISA-44RALE-OD should operate

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation154.3 Operating Alarm ConditionsAny spontaneous alarm on any channel, not triggered by initial

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD16Low-level Gas Alarm State:Condition Signals IndicationLow level Gas Alarm Gas channel green

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation175.0 Rough Test5.0 Rough Test5.1 ISA-44RALE-ODThe rough test is performed weekly after the in

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD187. While the gas is flowing through the sample head assembly, the carbon monoxide channel m

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation196.0 Calibration6.0 CalibrationCalibration is essentially an adjustment of the circuitry affe

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD206.1 CO Channel CalibrationMATERIALS:q cylinder of 20 ppm CO (high level alarm concentration

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation21a. Place the Purge/Operate/Horn-off switch to PURGE. Measure purge voltage across TB4-7 (+

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD225. FULL SCALE ADJUSTMENT:a) Leave the negative lead of the voltmeter at TP101 and connect

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation236.3.1 Routine Gas TestPROCEDURE:NOTE: Units without PURGE skip steps 2, 4 & 51. Make su

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD246.3.2 Recalibration ProcedureRecalibration involves verifying and/or setting the sensor volt

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation257.0 Replacement Procedures7.0 Replacement Procedures7.1 Sensor Replacement ISA-44RALE-ODThe

Table of Contents1.0 INTRODUCTION...

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD26Top View Side View, Cut-awayFigure 11: Oxygen Cell Enclosure3. OXYGEN CELL:Remove the two s

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation277.3 Intrinsic Safety Barrier ReplacementIf the oxygen channel encounters a significant power

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD287.5 Sensor Heater VoltageHeating the sensor promotes the oxidation reaction on the sensor el

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation298.0 Replacement Part Numbers8.0 Replacement Part NumbersDescription ENMET Part NumberGas Cyl

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD3010.0 WARRANTY10.0 WARRANTYENMET warrants new instruments to be free from defects in workmans

PO Box 979680 Fairfield CourtAnn Arbor, Michigan 48106-0979734.761.1270 Fax 734.761.3220Returning an Instrument for RepairENMET instruments may be ret

Repair Return FormMailing Address:ENMET CorporationPO Box 979Ann Arbor, Michigan 48106Phone Number: 734.761.1270FAX Number: 734.761.3220Shipping Addr

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation11.0 Introduction1.0 IntroductionAt many industrial facilities, hazards in the work atmosphere

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD21.1 UnpackUnpack the ISA-44RALE-OD and examine it for shipping damage. If such damage is obs

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation31.2 Operation Principles Explained ISA-44RALE-OD and ISA-44E-ODConnected to the control unit

ENMET Corporation ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD41.3 Calibration Explained for the ISA-44RALE-ODThe alarm settings of the ISA-44RALE-OD are ad

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation51.4 Special CharacteristicsSpecial enclosures and circuitry protect the instrument from becom