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PrimaX® IR

31

Maintenance

GB

Fig. 21

Environmental Guard Cleaning

5.6

Calibration Cap Cleaning Procedure

In general, the calibration cap should not require any maintenance. However, if it is used in extremely
dirty or solvent based environments, it may be necessary to clean the light sensor if the calibration cap
performance is not adequate.

(8)

Use a clean, dry applicator and isopropyl alcohol to gently swab the light sensor, as shown in
Fig. 22.

CAUTION!

Never immerse the calibration cap in water or damage will occur.

Fig. 22

Calibration cap diode cleaning

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Summary of Contents for PrimaX IR

Page 1: ...MSAsafety com Operating Manual PrimaX IR Infrared Gas Monitor Order No 10113581 04 CR 800000041694 ...

Page 2: ...Schlüsselstrasse 12 8645 Rapperswil Jona Switzerland MSA 2020 All rights reserved ...

Page 3: ... Junction Box Instructions 12 3 2 Electrical installation 14 Wiring Requirements 14 External Controllers 15 4 Start up and Calibration 16 4 1 Initial Startup 16 Calibrations 16 4 2 PrimaX IR Calibration 17 Bump Check Procedure 20 Calibration Cap Procedure 21 HART Calibration Procedure 24 4 3 Calibration Kits 26 5 Maintenance 27 5 1 General 27 5 2 Troubleshooting 27 5 3 HART Information for Trouble...

Page 4: ...hield 34 7 3 Duct Mount Kit 34 7 4 HART Module 35 7 5 Insect Guard Remote Calibration Inserts 35 8 Approvals 37 8 1 Marking Certificates and Approvals According to the Directive 2014 34 EU ATEX 37 8 2 Special conditions for the safe use according to ATEX and SIL applications 41 ...

Page 5: ...ns personnel to the presence of hydrocarbon combustible gas It is imperative that this operating manual be read and observed when using the product In particular the safety instructions as well as the information for the use and operation of the product must be carefully read and observed Furthermore the national regulations applicable in the user s country must be taken into account for a safe us...

Page 6: ...d the scope of these maintenance instructions or by anyone other than an authorized MSA service provider could cause the product to fail to perform as designed There are no field repairable internal components for this device Return to MSA for warranty replacement per the Warranty section This device does not detect the presence of hydrogen gas and must never be used to monitor for hydrogen gas Th...

Page 7: ...gations under this warranty in the event repairs or modifica tions are made by persons other than its own or authorized service personnel or if the warranty claim results from physical abuse or misuse of the product No agent employee or representative of the Seller has any authority to bind the Seller to any affirmation representation or warranty concerning the goods sold under this contract Selle...

Page 8: ...ut signal Other detailed device status is available via the HART signal Details about this interface can be found in the PrimaX IR HART Specification located on the product CD shipped with the device The optional calibration cap provides an LCD display for easy and intuitive calibration of the device The proper usage of this calibration cap is described in chapter 4 2 The device should be installe...

Page 9: ... papers to identify all PrimaX IR accessories that have been ordered Fig 1 Overview of PrimaX IR parts 1 Environmental guard 4 Calibration cap optional 2 PrimaX IR sensor 316 stainless steel 5 HART Calibration cap Bump cap optional 3 Stainless steel junction box optional 6 Remote HART calibration kit optional 4 1 2 3 4 5 6 ...

Page 10: ...ap for calibration operations Optional tether strap for environmental guard Optional HART Calibration cover Bump cap Optional Remote HART Calibration kit The complete list of accessories is provided in chapter 7 The device will be labeled with the information shown below Target gas calibration gas and span value Serial number and date of manufacture Area classification markings ...

Page 11: ... box is not being used mount the device on a support by using suitable hardware not supplied and in accordance with local regulatory requirements To ensure specified response time mount the sensor with the legs horizontal relative to each other as shown in Fig 4 MSA recommends mounting the sensor horizontally Horizontal mounting will help prevent the build up of particulate or liquid matter on the...

Page 12: ...mage the monitor MSA recommends that the device s environmental guard should be installed on the unit at all times If the device is to be operated without the guard frequent checks must be made to ensure particulate or liquid matter has not collected on the windows 1 Use a wrench on the hex nut in the sensor neck to install or remove the sensor Do not apply torque to the two sensor legs Optional J...

Page 13: ...cket for Aluminum Junction Box Fig 6 Mounting bracket for Stainless Steel Junction Box 2 If not using an MSA supplied junction box refer to Fig 2 for the dimensional drawing to ensure that there is adequate clearance Ensure that the environmental guard can be easily removed and re installed 3 The optimum orientation for the device is horizontal ...

Page 14: ...to the input wires or with an optional junction box The following table provides typical cable lengths and wire sizes for installation The HART signal requires a load across the signal Proper installation should prevent water and dirt from entering the unit via the wires or conduit The device is provided with 4 wires for use The table below shows the wire color definitions Use a maximum Line Load ...

Page 15: ...mA sourcing analog signal For FM approved systems the connecting device must have latching alarms with manual reset Ensure that your controller can read all signals Check the MSA website www MSAsafety com for available controllers The HART output is intended to be used with digital control systems that are compatible with HC Revision 7 0 protocol Power requirements Input voltage at sensor Nominal ...

Page 16: ...e at regular intervals in accordance with applicable national and regional regulations The device is calibrated at the factory Nevertheless it is recommended to recalibrate the device after installation New sensors should be calibrated more often until the calibration records prove sensor stability The calibration frequency can then be reduced to the schedule set by the safety officer or plant man...

Page 17: ... interface Calibration methods CAUTION The standard environmental guard is designed to offer fast response time and should not be used for bump or calibration without the Remote Calibration Inserts see chapter 7 5 P N 10116419 Failure to do so could dilute the sample and result in inaccurate calibration Although both a full calibration zero and span and zero only calibration can be performed on th...

Page 18: ...PrimaX IR 18 Start up and Calibration GB Fig 8 MSA Calibration Cap Fig 9 Remote HART Hand held ...

Page 19: ...lable an alternative span gas can be used with the values shown in the table below The sensor label will identify the span gas and value used by the factory for calibration Use of a reference gas for calibration may decrease accuracy The user may change the gas monitor s span value gas name and gas curve through use of the PrimaX IR Link software found on the product CD Please refer to the PrimaX ...

Page 20: ...5 10 s 25 s 2 Toluene 0 50 Yes 2 5 v v Methane 57 11 s 28 s 3 n Butane 0 100 Yes 0 6 v v Propane 37 10 s 24 s 2 n Pentane 0 100 Yes 0 55 v v n Pentane 50 11 s 24 s 2 n Hexane 0 100 Yes 0 5 v v n Hexane 50 11 s 24 s 2 Propylene 0 100 Yes 1 0 v v Propylene 50 11 s 25 s 3 Ethane 0 100 Yes 1 2 v v Ethane 50 11 s 23 s 3 Propylene Oxide 0 100 Yes 2 5 v v Methane 19 11 s 25 s 3 Acetone 0 100 Yes 2 5 v v ...

Page 21: ...ther slot Fig 12 Calibration cap 3 If the user can confirm that the ambient air is free of combustible gas ambient air can be used in place of the zero gas cylinder See Fig 15 for a visual representation of the calibration process 4 Install the calibration cap Press firmly to ensure cap is properly seated The calibration process will start automatically when the cap is fully seated on the sensor h...

Page 22: ...another zero attempt If multiple failures occur contact an authorized MSA service center 9 When the display flashes the span gas symbol apply the span gas through the calibration cap port see Fig 12 The unit must see gas within 30 seconds after the span symbol starts to flash or a calibration fault may occur The initial 30 seconds are intended to give the user time to apply gas to the sensor Durin...

Page 23: ...of Events Zero Calibration Start Span Calibration Start Zero Calibration Complete Pass or Fail Span Calibration Complete Pass or Fail Solid Display Flashing Display Fast Flashing Display 5 sec 30 sec Apply zero gas until complete 300 sec 5 sec 30 sec 30 0 sec Apply span gas until complete 120 sec Line Descriptions ...

Page 24: ...communications interface with Device Descrip tion capability DD such as the Emerson 375 or 475 Field Communicator see Fig 8 Ensure that the HART hand held communicator is compatible with the area classification This hand held HART communicator must be HART revision 7 0 compliant and can be obtained from a HART authorised supplier See the PrimaX IR HART specification found on the product CD for the...

Page 25: ...tead of the environ mental guard while applying the zero and span gas Gas should be applied at 1 5 l min See Fig 16 for a picture of the calibration cover Fig 17 HART Calibration Cover WARNING Ensure that the calibration cover is removed after calibration is complete This cover is intended to block the flow of ambient air into the sensor during calibration and in normal operation must ALWAYS be re...

Page 26: ...lable for the device The recommended calibration kits are shown in the following table Conversion defined by IEC60079 20 1 2012 See the PrimaX IR section of www MSAsafety com for additional PrimaX IR calibration gases GAS TYPE CAL CYLINDER CYLINDER P N SPAN VALUE 100 LEL to vol CAL KIT Methane 2 5 Methane 10028032 57 LEL 4 4 vol 40 Propane 0 6 Propane 10028034 35 LEL 1 7 vol 40 Zero Gas 100 Nitrog...

Page 27: ... supply and restart Check to ensure that the calibration cap was not left on the sensor for an extended time If an Underrange error is indicated via the HART interface perform a zero calibration OBSCURATION mA output Verify optical path is not obscured or perform the cleaning procedure below Elevated gas reading when no gas is expected to be present Clean the optical window and mirror using the cl...

Page 28: ...l the cap off and evacuate gas from the calibration cap Retry the calibration procedure and verify the Zero calibra tion was successful If Zero calibration returns and the Span calibration fails verify adequate span gas and flow Verify that the Span gas is applied within the 30 second window Check the o ring integrity to ensure a good seal between the sensor and the calibration cap Check the cap f...

Page 29: ...ight path for longer than 10 seconds an Obscuration fault will be set on the mA output see chapter 4 1 The device enters the Cleaning Mode for 5 minutes Fig 20 Light path obscuration WARNING The sensor will not respond to the presence of gas in cleaning mode Ensure that the environment is free of combustible gases before starting the cleaning procedure The analog current output will be set to the ...

Page 30: ... the windows it is advisable to check the sensor s response to both zero and calibration gas CAUTION Do not place foreign objects in the sensor s analytical region except per the Cleaning Procedure above otherwise the infrared beam can be partially blocked causing the sensor to generate false readings All objects must be removed from the sensor s analytical region for it to function properly CAUTI...

Page 31: ...ver if it is used in extremely dirty or solvent based environments it may be necessary to clean the light sensor if the calibration cap performance is not adequate 8 Use a clean dry applicator and isopropyl alcohol to gently swab the light sensor as shown in Fig 22 CAUTION Never immerse the calibration cap in water or damage will occur Fig 22 Calibration cap diode cleaning ...

Page 32: ...E 1 FS STEP CHANGE RESPONSE t50 with Environmental Guard 10 sec t90 with Environmental Guard 25 sec Methane 20 sec Propane HUMIDITY 15 to 95 RH non condensing PRESSURE 600 900 mmHg 80 120 kPa SENSOR LIFE see chapter 1 4 IN RUSH CURRENT 350 mA POWER INPUT 18 32 VDC including any AC components POWER CONSUMPTION 6 0 W SIGNAL OUTPUT 4 20 mA 3 wire current source PHYSICAL CHARACTERISTICS LENGTH 203 mm ...

Page 33: ... the response times stated in chapter 6 Description Part No Calibration cap 10111874 Fig 1 Aluminum junction box kit Includes mounting bracket 10117607 NPT 10117606 M25 Chapter 3 1 316 stainless steel junction box kit Includes mounting bracket 10117608 NPT 10117609 M25 Fig 1 Insect screen Remote calibration inserts 10116419 Chapter 7 5 Sun shield 10113481 Chapter 7 2 HART calibration cover Bump Ca...

Page 34: ...ing the direction of flow inside the duct must be as shown in Fig 25 Calibration of the device mounted in an air duct must be done with the HART interface Once calibra tion has been initiated apply the calibration gasses via the gas calibration port Ensure that the duct is free of all gases to which the sensor will respond and the duct flow rate is below 1 m s If hydrocarbon combustible gas is pre...

Page 35: ...ations where HART is being used for calibration and the sensor is located in a remote loca tion where use of the calibration cover is not practical optional screen inserts are available These inserts snap into the environmental guard see Fig 27 and permit a very slow diffusion of gas through the tight mesh screens This allows enough zero and span gas to be retained in the environmental guard for t...

Page 36: ...essories GB Fig 27 Remote cal Insect screen inserts For remote calibrations the HART Remote Calibration Kit is also recommended P N 10122783 The components of this kit are shown below Fig 28 Remote HART Calibration kit ...

Page 37: ...suring function for explosion protec tion EN 60079 29 1 2007 EN 50271 2010 Gas measure range 0 100 LEL Methane Propane n Butane n Pentane n Hexane Propylene Ethane Propylene Oxide Acetone Cyclopentane Ethyl Acetate measure range 0 50 LEL Toluene measure range 0 70 LEL IsoButane Marking PrimaX IR II 2 G Ex db IIC T4 Gb II 2 D Ex tb IIIC T130 C Db IP67 50 C Ta 80 C EC Type Examination Certificate BV...

Page 38: ... monitor After mounting of the gas monitor onto a protection e enclosure the clearances and creepage distances must meet the requirements of 4 3 Table 1 of EN 60079 7 The non shielded cables of the gas monitor must be routed and connected so as to be mechanically protected and corresponding to the temperature resistance of the cables as per 4 2 4 5 1 and 4 8 of EN 60079 7 The PrimaX IR gas monitor...

Page 39: ... 16066 USA Product PrimaX IR Calibration Cap Type of protection EN 60079 0 2018 EN 60079 11 2012 Marking II 2 G Ex ia IIC T4 Gb 30 C Ta 60 C EC Type Examination Certificate LCIE 10 ATEX 3090 X Battery Panasonic BR 1632A Quality Assurance Notification 0080 Year of Manufacture see Label Serial Nr see Label EMC Conformance according to the Directive 2014 30 EU EN50270 2006 Type 2 EN 61000 6 3 2007 A1...

Page 40: ...tandards EN 60079 0 2012 A11 2013 EN 60079 1 2014 EN 60079 7 2007 EN 60079 31 2014 Performance See MSA Controller together with sensor series 47K Marking Cable gland NPT or M25 x 1 5 II 2G Ex db IIC T4 T6 Gb II 2G Ex e IIC T4 T6 Gb II 2D Ex tb IIIB T85 C T135 C Db IP6X Cable gland type HSK M Ex d T4 50 C Ta 80 C T6 50 C Ta 40 C T85 C 50 C Ta 40 C T135 C 50 C Ta 80 C Cable gland type 8161 5 M25 17 ...

Page 41: ...roduct X Series Junction Box Type of protection EN 60079 0 2018 EN 60079 1 2014 Marking II 2 G Ex db IIC Gb 50 C Ta 105 C IP66 II 2 D Ex tb IIIC Db 40 C Ta 105 C IP66 EC Type Examination Certificate FM06ATEX0029U Year of Manufacture see Label Serial Nr see Label Type B Structure 1oo1 or 1oo2 HFT 0 or 1 Safe Failure Fraction SFF 96 DC 92 λS Detected safe failure rate 1154 7fit lDU Undetected danger...

Page 42: ...s to be done every year Calibration and adjustment are part of the function calibration check The test gas must be the gas to be monitored The concentration of the test gas has to be in the middle of the measurement range For zero gas clean air free of hydrocarbon combustible gas or synthetic air has to be used An adjustment has to be done under the following conditions difference at zero 5 UEG LE...

Page 43: ...PrimaX IR 43 Approvals GB ...

Page 44: ...For local MSA contacts please visit us at MSAsafety com ...

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