Detcon PI-600 Manuel d'utilisateur

detcon inc.Detcon Model SeriesPI-600Explosion Proof PID-Based Universal VOC Gas Sensors (Also covers Model PI-601)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

Note: If a voltage signal output is desired in place of the 4-20mA output, a 1/4 watt resistor must be installed in posi-tion R1 of the terminal board

g) Replace the plug-in control circuit and replace the junction box cover.3.4.5 Remote Mounting ApplicationsSome sensor mounting applications require

3.5 STARTUPUpon completion of all mechanical mounting and termination of all field wiring, apply system power and observe thefollowing normal conditi

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

3.6.2 Calibration ModeCalibration mode allows for sensor zero and span adjustments. “1-ZERO 2-SPAN”3.6.2.1 Zero AdjustmentZero is set in ambient

3.6.4 Programming Magnet Operating InstructionsOperator interface to MicroSafe™ gas detection products is via magnetic switches located behind the tr

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

NOTE 2: Assuming that there are some residual VOC target gases in the background, you will require the use of thezero air gas standard to perform a co

Span calibration consists of entering the calibration function and following the menu-displayed instructions. The dis-play will ask for the applicati

3.8.4 Calibration FrequencyIn most applications, monthly to quarterly calibration intervals will assure reliable detection. However, industrial envi-

2) If skilled technicians are available, replace just the UV lamp every 9-12 months.3) For abnormally high rates of signal decay, clean the UV lamp mo

4) Using an Exacto Blade, remove the spacer and set it aside5) With fine tipped tweezers, carfully remove the cell assembly by prying under the cell’s

Grab the lamp by the cylindrical glass body and clean the window by rubbing it against the polishing pad. Use a circu-lar motion and try to keep the

and push down on the end with the pins. Make sure the cell assembly is flush with the lamp window.4) Place the spacer around the assembly.5) Place th

3.0 DESCRIPTIONDetcon MicroSafe™ Model PI-600 and PI-601 universal VOC sensors are non-intrusive “Smart” sensors designed todetect and mo

3.9 STATUS OF PROGRAMMING, CALIBRATION LEVEL, AND SENSOR LIFEThe programming menu has a “View Program Status” listing that allows the operator to vie

a) First, enter the programming menu by holding the programming magnet stationary over “PGM 2” for 30 secondsuntil the display reads “VIEW PROG STATU

calibration fault screen which appears as “SPAN FAULT #2”. Previous span calibration is retained.Memory FaultIf new data points cannot successfully be

NOTE 1: If the gas symbol has more than 6 characters, the symbol can be replaced by an abbreviated version of thetarget gas name such as TOL or TOLUEN

40004 Alarm 2 Set pointThis is the trip point for the second alarm.Register #High Byte Low Byte40005 Status Bits Status BitsHigh ByteBit 7 Not used, a

Reg40004 Data Hi 00 0 0000 0000Reg40004 Data Lo 14 20 0001 0100Reg40005 Data Hi 05 5 0000 0101Reg40005 Data Lo 50 80 0101 0000CRC ## #### ####CRC ## #

1. Verify no target or interfering gases are present.2. Redo Zero calibration with validated Zero Gas standard.3. If recovering after a start-up, give

050 = 50 ppm100 = 100 ppm250 = 250 ppm500 = 500 ppm01K = 1,000 ppm05K = 5,000 ppm3.17 WARRANTYDetcon, Inc., as manufacturer, warrants each new PID pl

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

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