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4750-PM Particulate Measurement System

4750-PM

USER GUIDE

PUBLICATION N

813214

LANGUAGE: ENGLISH

ISSUE: 1

DATE: 17 JULY 2019

Q U A L I T Y C U S T O M E R S O L U T I O N S

Содержание 4750-PM

Страница 1: ...4750 PM Particulate Measurement System i 4750 PM USER GUIDE PUBLICATION NO 813214 LANGUAGE ENGLISH ISSUE 1 DATE 17 JULY 2019 Q U A L I T Y C U S T O M E R S O L U T I O N S...

Страница 2: ...sponsibility of the assembler Protective Clothing Face and Eye Protection It is possible that this equipment is to be installed on or near to machinery or equipment operating at high temperatures and...

Страница 3: ...address etc Design and Manufacturing Standards The Quality Management System of Land Instruments International is approved to BS EN ISO 9001 for the design manufacture and on site servicing of combus...

Страница 4: ...Particulate Measurement System User Guide 4750 PM Blank...

Страница 5: ...stallation 4 1 4 1 Unpacking and Inspection 4 1 4 2 Preparation Overview of Process 4 1 4 3 Prerequisites and Guidelines 4 2 4 4 Installing the Sensor 4 4 4 5 Connecting the Sensor 4 6 4 6 Power up Qu...

Страница 6: ...INTRODUCTION 1...

Страница 7: ...quipment NOTES are used to highlight important information that assist the user in carrying out a procedure or in understanding the text In addition the following symbols are used on the product WARNI...

Страница 8: ...jury to others All personnel must be fully trained and adhere to local and if applicable site specific health and safety laws and guidelines It is the responsibility of the local organizations to enfo...

Страница 9: ...medium to large stacks for industrial and combustion processes The sensor illuminates particles in the stack with laser light to detect and measure the amount of back scattered light The measurement o...

Страница 10: ...TEK Land declares that this instrument within the limits specified in this manual complies with the essential requirements and other provisions of the following European Union Directives Low Voltage D...

Страница 11: ...TECHNICAL DATA 2...

Страница 12: ...se in applications with water droplets Location This equipment is for outdoor or sheltered use 2 2 4750 PM Sensor Specification Sensor version Standard sensor 0 250 C up to 480 F Weight 9 6kg 21lb Ove...

Страница 13: ...s 560Vpeak Reverse polarity protected Power Requirements Power Supply Voltage 100 to 240V AC 50 60Hz 1A Power Consumption 1 7W 2 2W 24V FuseD 5mm x 20mm HRC type T1AH250V approved to IEC 60127 UL reco...

Страница 14: ...o detect a low flow or no flow condition E Auditing Single value Manual Audit Unit MAU E This feature includes an optical shield to protect the instrument s optics by minimizing flue gas deposition on...

Страница 15: ...2 3 User Guide Particulate Measurement System 4750 PM...

Страница 16: ...Eight slots 19 x 31 5mm 0 7 x 1 2in on a PCD of 156mm 6in Mounting hole ID 80 to 110mm 3 2 to 4 3in Additional Options Optical shield to protect the optical elements Flue gas blocker stack cover plate...

Страница 17: ...For mains power connections use an appropriate cable with a conductor area range from 0 75 2 5mm in accordance with your local regulations A suitable approved and rated two pole mains isolation device...

Страница 18: ...PRODUCT DESCRIPTION 3...

Страница 19: ...velocity associated with variable speed fans or plant load changes and for a given particle size and type the instrument response is proportional to dust concentration The instrument has been designed...

Страница 20: ...articulate Measurement System 4750 PM 3 2 2 Sensor Display and Controls 1 M20 cable glands 3 off 3 Self check LED 2 Hinged enclosure lid with 4 off screws 4 Power Comms LED Fig 3 2 4750 PM Sensor Disp...

Страница 21: ...ics and optical components including a laser module and photodiode detector required to illuminate particles in the stack with laser light to detect and measure the amount of back scattered light The...

Страница 22: ...ic sensor self check is standard on high temperature sensor variants see below 3 4 Purge Air Blower The 4750 PM sensor requires purge air at all times during installation operation and maintenance AME...

Страница 23: ...k from the particles is measured Stray scattering from the far side of the stack wall is eliminated by tuning the instrument s field of view Ambient light is eliminated by use of a modulated laser sou...

Страница 24: ...INSTALLATION 4...

Страница 25: ...supplied the purge air blower is supplied separately The sensor may be supplied with the following items and accessories 4750 PM Description Standard Sensor incl enclosure and body with built in flan...

Страница 26: ...rmal operation Use of controls or adjustments or performance of procedures other than those specified in this manual can result in hazardous radiation exposure A laser radiation warning label below is...

Страница 27: ...arly marked mains isolation device with separate fuse must be installed in the power supply wiring For more information refer to Section 2 3 Cabling When installing leave sufficient cable to allow the...

Страница 28: ...nstalling the Sensor 4 4 1 Connecting the Purge Blower WARNING Risk of electric shock A suitable approved and rated two pole mains isolation device must be installed close to the unit within a 2m 6 ft...

Страница 29: ...gned so that there is no need to install a beam dump at the far side of the stack However be aware of possible interference which may be due to the stack diameter and or reflectivity of the stack wall...

Страница 30: ...are in line with the DN80 and ANSI flanges Ensure that the size of the hole in the stack or standoff is larger than 80mm The sensor flange will also accommodate JIS 100 5 and 100 10 stack flanges Refe...

Страница 31: ...An easily accessible disconnect device such as a switch or circuit breaker along with a separate fuse must be fitted to the power supply wiring one each per mains powered sensor and purge blower unit...

Страница 32: ...er Mains Pin Connections L R L Live PE Protective Earth GND N Neutral 4 Route the power supply cable through the right hand cable gland and connect to the mains power terminals as outlined in the foll...

Страница 33: ...m 1 to 32 The address switch uses binary coding to calculate the address Example to set sensor address number 5 set both switch 1 binary 1 and switch 3 binary 4 to ON LEFT resulting in 4 1 5 MODBUS Co...

Страница 34: ...8 route a suitable cable through a vacant cable gland and connect to the Digital Input terminal The maximum voltage across input is 48V nominal 24V The maximum current allowed per pin is 16mA 4 5 8 4...

Страница 35: ...is the installed software version in this example v5 5 2 This is followed by 170 indicating a 4750 PM 3 Both status LEDs should be GREEN when the sensor is first switched ON If the Purge Air Fail alar...

Страница 36: ...OPERATION 5...

Страница 37: ...eaching the last menu entry RUN T displays the top menu DUST 5 1 1 Menu Navigation and User Interface For information on internal and external layouts refer to Section 3 2 Components Feature Action De...

Страница 38: ...e principles that apply to all settings functions in this chapter The range of essential functions available in the standard menu is shown in the below menu map If required set the jumper to LK4 defau...

Страница 39: ...the password unchanged and return to the main menu 5 2 3 Display Smoothing Time Value DISP Not currently in use 5 2 4 Calibration CAL Setting the Calibration Factor The sensor can be calibrated to sc...

Страница 40: ...orrespond to the actual mg m reading in the stack use the formula below Note that the instrument readings during the period of an isokinetic sampling run need to be recorded then calculate as follows...

Страница 41: ...and the Calibration Factor NOTES i Ensure that the Audit mode AUd is turned OFF after the manual audit has been completed and that the instrument is returned to normal operation Failure to do this ma...

Страница 42: ...ntrol and interrogate the sensor see Fig 5 2 below Move the jumper from LK4 to LK3 and press the RESET button to access this menu Use the internal navigation buttons see Fig 3 3 to view and adjust the...

Страница 43: ...5 7 User Guide Particulate Measurement System 4750 PM Fig 5 2 Engineering Menu...

Страница 44: ...tting the sensor nominally outputs 4mA Use the UP DOWN buttons to adjust the 4 20mA Zero calibration value default 223 to trim the 4mA value b Similarly when accessing the 4 20mA Full Scale 420F setti...

Страница 45: ...bag filter cleaning The default delay is 5 seconds Increase this as required to adapt it to the duration of the dust spikes displayed NOTES i Different alarm delays can be set on the two alarms Avera...

Страница 46: ...s indicates to the sensor that the process has stopped In this case the following changes are made Emission alarms relays are disabled The 4 20mA output is set to 4mA The display value and 4 20mA outp...

Страница 47: ...automatically close to protect the sensor optics should the purge air supply be interrupted or fall below a set threshold Set SH EN to NOFL if the instrument is not fitted with a Purge Air Flow Sensor...

Страница 48: ...ts are available Manual Zero and Span checks which are run from the sensor on demand Purge Air Flow check optional automatic sensor self check requires a Purge Air Flow sensor see Section 2 2 3 This i...

Страница 49: ...press LEFT to return to the previous setting Sensor Check Reading Displayed ZERO Zero test result SPAN Span or Upscale test result FLOW Purge air flow test result if available 5 7 Auditing the Sensor...

Страница 50: ...it NOTE Ensure that the shutter if fitted and tube are both clean before assembling and attaching the MAU block If necessary clean these by following the cleaning procedures see Section 6 3 L Note tha...

Страница 51: ...anking tubes 1 off short and 1 off long Fit the appropriate tube to the MAU by inserting it into the opening on the rear of the MAU back plate see Fig 5 5 below a If an optical shield is fitted use th...

Страница 52: ...he carry case to keep them clean 8 Check that the sensor parts are free from contamination If fitted rotate the flue gas blocker to open the port then close and secure the sensor body with the quick r...

Страница 53: ...MAINTENANCE 6...

Страница 54: ...ion at all times during installation maintenance and normal operation Take precautions when performing maintenance on the sensor especially when the sensor body is open as laser light could exit when...

Страница 55: ...e Centre engineer M Depending on stack conditions and contamination 6 3 Cleaning the Sensor WARNING Contaminants Disconnecting the unit from a positive pressure stack may result in hot stack gas or du...

Страница 56: ...o remove sticky residue on the metal sensor parts only NOTES It is best practice to not apply the cleaning fluid directly to the surface you are trying to clean Instead place the small amount needed o...

Страница 57: ...e Mains powered Sensors only WARNING Hazardous voltages are still present when the fuse has failed Disconnect and isolate the instrument from the power supply Fuses must only be changed by a trained a...

Страница 58: ...ng the alarm 2 Carry out the sensor cleaning procedure see Section 6 3 then rerun the checks 3 If the sensor checks fail repeatedly the sensor PCB may need replacing 6 5 1 Alarms The 4750 PM monitors...

Страница 59: ...RESETTING THE SENSOR 7...

Страница 60: ...ault values The procedure given in this section must therefore be carried out only by suitably trained and qualified personnel This function may be used to reset the sensor if necessary 1 Switch to an...

Страница 61: ...GENERAL NOTICES 8...

Страница 62: ...c equipment according to local government regulations RoHS Compliance Statement AMETEK Land Instruments International is compliant with the EU Directive on the restriction of the use of certain hazard...

Страница 63: ...4750 PM Particulate Measurement System User Guide...

Страница 64: ...Email land enquiry ametek com www ametek land com AMETEK Land Americas 150 Freeport Road Pittsburgh PA 15238 U S A Tel 1 412 826 4444 Email irsales ametek com www ametek land com AMETEK Land China Ser...

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