Enmet PID-Guard User Manual

ENMET CorporationPO Box 979Ann Arbor, MI 48106-0979Manual Part Number80002-050MCN-383, 11/05/07PID-GUARDCompressed Air LineHydrocarbon MonitorManual

PID-GUARDENMET Corporation84.0 OperationWhen the PID-GUARD is installed as described in Section 3, and in clean air, the POWER green LED is on, the di

PID-GUARDENMET Corporation94.2 Normal Display ModeWhen the PID-GUARD is installed as described in section 3, and in clean air, the POWER green LED is

PID-GUARDENMET Corporation105.0 MaintenanceThe PID-GUARD maintenance menus that are accessed by pressing the MENU button and entering a valid access c

PID-GUARDENMET Corporation115.2 PID-GUARD Maintenance AdjustmentsPushbutton switches control the MENU and SELECT functions. The MENU and SELECT butto

PID-GUARDENMET Corporation125.2.3 Gas Span CalibrationIt is recommended that the Zero Function be performed first.Do not perform a calibration unless

PID-GUARDENMET Corporation13Enter the maintenance menu. See Figure 7, PID-GUARD Maintenance Menu flow chart.1. Press the MENU button until Span disp

PID-GUARDENMET Corporation145.2.4 Alarm Set PointsThe PID-GUARD alarm set points can be changed within limits.To change any of the three alarm points:

PID-GUARDENMET Corporation15Normal Gas DisplayFIGURE 7: PID-GUARD Maintenance Menu Flow Chart5ppmMENUPress and HOLD the MENU button for 2 – 4 seconds

PID-GUARDENMET Corporation165.4 Sensor ReplacementWARNING: Power must be removed from the PID-GUARD before this or any internal procedure. Failure to

PID-GUARDENMET Corporation176.0 Replacement PartsENMET replacement part numbers:Description of Part Part NumberSensor PID 03028-000Calibration Regulat

Table of Contents1.0 INTRODUCTION...

PID-GUARDENMET Corporation188.0 WARRANTYENMET warrants new instruments to be free from defects in workmanship and material under normal use for a peri

PID-GUARDENMET Corporation19Appendix A: Gas Ionization PotentialsChemical Name IP (eV) Chemical Name IP (eV)Ap-Bromotoluene 8.672-Amino pyridine 8.00

PID-GUARDENMET Corporation20Chemical Name IP (eV) Chemical Name IP (eV)(D continued)FDecaborane 9.88 2-Furaldehyde 9.21Diazomethane 9.00 Fluorine 15.7

PID-GUARDENMET Corporation21Chemical Name IP (eV) Chemical Name IP (eV)M(P continued)2-Methyl furan 8.39 2-Pentanone 9.382-Methyl napthalene 7.96 2-Pi

PID-GUARDENMET Corporation22Chemical Name IP (eV) Chemical Name IP (eV)(T continued)WTrimethyl amine 7.82 Water 12.59Tripropyl amine 7.23XV2,4-Xylidin

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

PID-GUARDENMET Corporation11.0 IntroductionThe PID-GUARD is a compressed air monitoring instrument that measures and detects Hydrocarbons in industria

PID-GUARDENMET Corporation22.0 Components of the PID-GUARD2.1 PID-GUARD elementsSee Figure 1 for location of elements: Feature Description Enclosure A

PID-GUARDENMET Corporation3Figure 1: External PID-GUARD FeaturesFigure 1a: Optional REGULATOR AND SAMPLE AIR HOSERegulatorFemale Quick ReleaseFitting

PID-GUARDENMET Corporation42.3 Circuit Board FeaturesThe Display Panel is attached by a cable and is released by unscrewing the 4 screws located in th

PID-GUARDENMET Corporation53.0 InstallationThe PID-GUARD should be located near the pipe or tank containing the air to be monitored, and upstream from

PID-GUARDENMET Corporation63.2 Wiring the PID-GUARDThe electrical installation should conform to appropriate electrical codes, such as the National El

PID-GUARDENMET Corporation73.2.3 Relay ContactsRelay contacts are available for each alarm; these are SPDT, rated at 10Amp at 110VAC, and may be latch