Detcon PI-500 Manual de usuario

detcon inc.Detcon Model SeriesPI-500Explosion Proof PID-Based Universal VOC Gas Sensors (Also covers Model PI-501)Operator’s Installation & Instru

3.2.3 Relative Response Gas Matrix (page 5 of 8)10.6 eVCompound Name Synonym/Abbreviation Formula Response Factor Confirmed Value IP (eV) TWAIodine I

3.2.3 Relative Response Gas Matrix (page 6 of 8)10.6 eVCompound Name Synonym/Abbreviation Formula Response Factor Confirmed Value IP (eV) TWAMethylen

3.2.3 Relative Response Gas Matrix (page 7 of 8)10.6 eVCompound Name Synonym/Abbreviation Formula Response Factor Confirmed Value IP (eV) TWAPhenol H

3.2.3 Relative Response Gas Matrix (page 8 of 8)10.6 eVCompound Name Synonym/Abbreviation Formula Response Factor Confirmed Value IP (eV) TWATolylene

3.3 SPECIFICATIONSMethod of DetectionPlug-in Miniature PID SensorRepeatability± 2% FSResponse TimeT90 < 30 secondsTemperature Range0-50°C; 32-122°

Density - Placement of sensors relative to the density of the target gas is such that sensors for the detection of heavier than airgases should be loc

3.4.4 Installation Procedurea) Securely mount the sensor junction box in accordance with recommended practice. See dimensional drawing (Fig. 2).b) Re

3.5 START UPUpon completion of all mechanical mounting and termination of all field wiring, apply system power and observe thefollowing normal condit

3.6 OPERATINGSOFTWARE& MAGNETICINTERFACEOperating software is menu listed with operator interface via the two magnetic program switches located u

3.6.3.4 Zero OffsetThe Zero Offset is settable between 0 and 10 ppm to account for residual backgrounds of active VOCs in ambient air. Themenu item a

Table of Contents3.0 Description3.1 Principle of Operation3.2 Application3.3 Specifications3.4 Installation3.5 Start-up3.6 Operating Software & Ma

3.7 SOFTWAREFLOWCHART3.8 CALIBRATIONMaterial Requirements* Detcon PN 943-003270-000 MicroSafe™ Programming Magnet* Detcon PN 943-000006-132 Calibrat

d) Remove the zero air gas and cal adapter and allow the sensor 3-5 minutes to rest on ambient air. If there are residualactive VOC gases in the area

a) Verify the current calibration gas level setting as indicated by the programming status menu. To do this, follow theinstructions in section 3.9

3.8.5 PID Plug-In Sensor Maintenance The plug-in PID Sensor will need to be properly maintained to achieve proper long-term performance. All PID sen

3.8.5.2 PID Plug-In Sensor Maintenance ProcedureAll piD Sensor Cells contain six user replacable parts.Disassembly1) Power down the instrument and rem

5) With a fine tipped tweezers, gcarefilly remove the cell assembly by prying under the cell’s edge where the connectorpins are located.6) With a fine

Reassembly1) Install the lamp into the sensor, making sure that the lamps metalized pads are aligned with the corresponding exci-tation springs inside

5) Place the filter media over the Cell Assembly centered on the top of the sensor. Make sure the filters are installed inthe correct order. Filter

1 - The software version number.2 - Range is ###.3 - Calibration gas level setting. The menu item appears as: “CalLevel @ xxPPM”4 - Response Factor Se

To adjust the display contrast, remove the enclosure cover and use a jewelers screwdriver to turn the contrast adjust screwlocated beneath the metalli

3.0 DESCRIPTIONDetcon MicroSafe™ Model PI-500 and PI-501 universal VOC sensors are non-intrusive “Smart” sensors designed todetect and monitor

Reading Lower than Anticipated Probable Causes: Zero Calibration done before unit finished stabilizing, Incorrect Span Calibration.1. Redo Zero and

005 = 5 ppm010 = 10 ppm020 = 20 ppm025 = 25 ppm050 = 50 ppm100 = 100 ppm250 = 250 ppm500 = 500 ppm01K = 1,000 ppm05K = 5,000 ppm3.15 WARRANTYDetcon,

3.0.2 Universal Microprocessor Control Transmitter CircuitThe control circuit is microprocessor based and is packaged as a universal plug-in field re

3.1 PRINCIPLE OFOPERATIONIonizable target gases diffuse into the PID sensor chamber through a sintered flame arrestor. These target gases areexposed

3.2.3 Relative Response Gas Matrix (page 1 of 8)10.6 eVCompound Name Synonym/Abbreviation Formula Response Factor Confirmed Value IP (eV) TWAAcetalde

3.2.3 Relative Response Gas Matrix (page 2 of 8)10.6 eVCompound Name Synonym/Abbreviation Formula Response Factor Confirmed Value IP (eV) TWAButyl ce

3.2.3 Relative Response Gas Matrix (page 3 of 8)10.6 eVCompound Name Synonym/Abbreviation Formula Response Factor Confirmed Value IP (eV) TWADichloro

3.2.3 Relative Response Gas Matrix (page 4 of 8)10.6 eVCompound Name Synonym/Abbreviation Formula Response Factor Confirmed Value IP (eV) TWAEthanola