Enmet ISA-40 User Manual

ENMETENMET CorporationPO Box 979Ann Arbor, MI 48106-097980015-00112/05/91MCN-204, 01/19/99MCN-277, 07/01/02ISA-40ISA-40Oxygen MonitorOxygen MonitorMan

ENMET Corporation ISA-40 Oxygen Monitor8Remote Sensor Assembly Top View Remote Sensor Cover (cut away)Side ViewFigure 5: Remote Sensor Oxygen Cell Ins

ISA-40 Oxygen Monitor ENMET Corporation93.2.6 Intrinsic SafetyThe output of the oxygen deficiency transducer cell is approximately 175 micro-Amps at 0

ENMET Corporation ISA-40 Oxygen Monitor103.3.1 Non-Latching RelaysThere is one non-latching, single pole relay per channel. These relays furnish norm

ISA-40 Oxygen Monitor ENMET Corporation114.0 Operation4.0 OperationInstall and power the unit as previously described in section 3.0 through 3.3.3.The

ENMET Corporation ISA-40 Oxygen Monitor125.0 Maintenance5.0 Maintenance5.1 Cell AgingThe output of the cell decreases with cell usage. The change is

ISA-40 Oxygen Monitor ENMET Corporation131. Null adjust:a) Disconnect the oxygen cell from the circuit by disconnecting leads at TB1 or TB2 as shown

ENMET Corporation ISA-40 Oxygen Monitor14c) Adjust the appropriate meter gain potentiometer, shown below, so the channel's meter reads full scal

ISA-40 Oxygen Monitor ENMET Corporation156.0 ISA-40 Specifications6.0 ISA-40 SpecificationsControl Unit SpecificationsPower 110 VAC (or 220 VAC if tra

ENMET Corporation ISA-40 Oxygen Monitor167.2 Return for RepairENMET instruments may be returned to the factory or any one of our Field Service Centers

ISA-40 Oxygen Monitor ENMET Corporation178.0 WARRANTY8.0 WARRANTYENMET warrants new instruments to be free from defects in workmanship and material un

Table of Contents1.0 INTRODUCTION...11.1 Unpack..

ISA-40 Oxygen Monitor ENMET Corporation11.0 Introduction1.0 IntroductionThe ISA-40 system monitors the atmosphere of a work environment where depletio

ENMET Corporation ISA-40 Oxygen Monitor22.0 Features2.0 FeaturesSee figure 1 for location of featuresFeature DescriptionMeter A Oxygen (O2) concentrat

ISA-40 Oxygen Monitor ENMET Corporation33.0 Installation3.0 InstallationWARNING: This equipment is not for use in hazardous combustible atmospheres as

ENMET Corporation ISA-40 Oxygen Monitor43.1.1 Converting to 220 VAC PowerThe input of the transformer must be changed in order to accommodate 220 VAC

ISA-40 Oxygen Monitor ENMET Corporation5ISA-40 Interior ViewFigure 3: Oxygen Cell Installation3.2 Oxygen Cell InstallationFor some ISA-40 systems, sin

ENMET Corporation ISA-40 Oxygen Monitor63.2.2 Remote Sensor Assembly WiringSee Figure 4 for location of terminal blocks and optional intrinsic safety

ISA-40 Oxygen Monitor ENMET Corporation7Figure 4: Interior View of Sensor AssemblyInternal View: Remote Sensor AssemblyTBSRemove ShoringClip or Spring