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Ametek Land 4200, Руководство пользователя

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Ametek Land 4200 Скачать руководство пользователя страница 46

Page 40

User Guide

Model 4200 Dust & Opacity Monitor

Inputs/Outputs

Current Loop Outputs:  

0, 2, 4 to 20mA Relays:  

 

1.  System OK 

  

2.  Zero Cal in progress 

  

3. Span Cal in progress

  

4. High level alarm (1)

  

5. High level alarm (2)

  

6. Maintenance

Relay

Contact Type/Rating:  

Single pole changeover 1A at 24Vdc, 0.5A 

at 125Vac, for System OK and High Alarm

Environmental Protection

Operating Temperature:  

-20 to +55°C (-4 to +131°F) 

Maximum Flue Gas Temperature:  

600ºC (1112ºF) 

Protection Rating:  

IP65/NEMA4

Safety:  

Conforms with EN 61010

Electromagnetic Compatibility (EMC):   Conforms with EN50 081 & EN50 082

Electrical Data

Power Rating:  

10W

Voltage:  

100 - 240V a.c. 

Frequency:  

50/60 Hz

Fuse rating and characteristics:  

3.15A (T)

Continuous product development may make it necessary to change these details 

without notice.

Содержание Land 4200

Страница 1: ...Land Instruments International 2017 User Guide Model 4200 Dust Opacity Monitor Publication N 770 026 Language English Issue 11 05 May 2017...

Страница 2: ...e user documentation supplied before installing and operating the equipment The safety of any system incorporating this equipment is the responsibility of the assembler Protective Clothing Face and Ey...

Страница 3: ...ent damage during transit You must include a written report of the problem together with your own name and contact information address telephone number email address etc Design and Manufacturing Stand...

Страница 4: ......

Страница 5: ...1 Theory 3 3 2 Beer Lambert s Law 4 4 System Description 5 4 1 The System 5 4 2 Keypad Functions 9 4 3 Display Panel LEDs 10 5 Installation 11 5 1 Preliminary Considerations 11 5 2 Standpipe Installa...

Страница 6: ...Opacity 31 10 5 Isokinetic Sampling for Dust Measurement 31 11 Maintenance 34 11 1 Periodic Maintenance Routines 34 11 2 Cleaning the Optical Surfaces 35 11 3 Recommended Spares 36 11 4 Available Opt...

Страница 7: ...im Save the packing with the damaged article for inspection by the carrier 1 2 Checking on Receipt All equipment is thoroughly inspected before dispatch and no further checking should be required on r...

Страница 8: ...erminal on the mains connector must be properly terminated for operator safety Continuity of the protective earth conductor MUST be checked before the unit is switched on for the first time 2 3 Face a...

Страница 9: ...ions measurements the opacity of the smoke leaving a stack was measured by the Ringelmann method in which a trained observer makes a visual estimate of its appearance Modern methods for opacity measur...

Страница 10: ...out of the medium see 2 below a Attenuation Coefficient c Concentration of Pollutant l Distance light beam travels through the medium see 3 below Fig 3 1 Since opacity Op 1 the above equation becomes...

Страница 11: ...parts available for the system Air purge units which provide a stream of clean air to keep dust and stack gases away from the optical surfaces Without the air purge units dust could rapidly build up...

Страница 12: ...cross the measuring path to the distant retro reflector Light returned from the retro is focused by the lens onto measurement detector Dm The portion of light originally reflected by the beamsplitter...

Страница 13: ...ment mode Shutters optional Fig 4 1 1 Transmissometer Unit 2 Retroreflector Unit 3 Fail safe Shutter Unit 4 Beamsplitter 5 Detector Measurement 6 Detector Reference 7 Collomating Lens 8 Span Calibrati...

Страница 14: ...ed that will give added protection to the transmissometer from the environment 4 1 4 Auto Failsafe Shutters optional Both the transmissometer and the retro reflector can be further protected from air...

Страница 15: ...s or dust in the range between 10 and 1000mg m3 in steps of 10mg m3 Time Constant sets the signal damping between a range of 0 999 Set output low level 0 2 or 4mA Set alignment mode Note Holding the k...

Страница 16: ...ssometer signal socket These provide for the Alarm and System OK facilities See the Installation Electrical section for connection detail section 6 0 4 3 2 Output Current loop The single current loop...

Страница 17: ...uld be as much negative pressure as possible for example a stack updraft The mounting area must have a safe walkway if necessary a sufficiently large and accessible platform should be constructed Figu...

Страница 18: ...ide Model 4200 Dust Opacity Monitor Installation Site Requirements Model 4200 Fig 5 2 Installation Dimensions for Instrument Key 1 Transmissometer 2 Fail Safe Shutter 3 Retro Reflector 4 Flange to fla...

Страница 19: ...mately 300 12in with automatic fail safe shutters or 165mm 7in without automatic fail safe shutters as a minimum distance beyond the stand pipes for installation 3 Additional clearance is required of...

Страница 20: ...Model 4200 Dust Opacity Monitor Fig 5 4 Standpipe Mounting Flange Key 1 3 Studs Shown on 100 0PCD 4 Rubber Sealing Ring 2 Spherical Washers 5 M10 Nuts 3 Disc Spring Washers Fig 5 3 Standpipe Mounting...

Страница 21: ...ion in the mounting angle between the two flanges does not exceed 1 Accurately mark the centre of each flange on the stack and punch a locating mark through the liner onto the inner stack plating Cut...

Страница 22: ...uring the welding and alignment procedures be sure the flange to flange measurement path does not exceed 1 of the distance specified If the measuring path is easily accessible and short enough the fla...

Страница 23: ...To use the flange alignment tool follow these instructions Important During the welding and alignment procedures be sure the flange to flange pathlength is accurately maintained Ensure flange orienta...

Страница 24: ...Page 18 User Guide Model 4200 Dust Opacity Monitor Fig 5 7b Fig 5 7a...

Страница 25: ...nit Fail Safe Shutter Air Purge Unit Part Number 703 003 Part Number 703 073 Though negative pressure within a stack may draw sufficient air through the air purge nozzle to prevent a build up of dust...

Страница 26: ...ing been factory selected for the required voltage as indicated by the customer at the time of sale The system should have the capability of being totally electrically isolated Land Instruments Intern...

Страница 27: ...ons Plug pin number Description Normal Terminal State 1 System OK Relay Open 2 System OK Relay Closed 3 System OK Relay Common 4 High Alarm Relay Open 5 High Alarm Relay Closed 6 High Alarm Relay Comm...

Страница 28: ...ting studs leaving the stack of disc springs 318 327 in place Place the mounting flange of the head onto the studs and replace the spherical washers and M10 nuts Tighten the nuts until the gap between...

Страница 29: ...e spot The third nut should only be used to adjust tension Make sure the spring washers are only under moderate tension if the tension becomes excessive it is very likely that the third nut has been o...

Страница 30: ...es the sighting hole display LEDs and keypads Viewed through the hole in the PCB the ringed target is illuminated and clearly visible located on the instrument casting behind the PCB 2 Press the left...

Страница 31: ...T OUTPUT 0 20 2 20 or 4 20 TIME CONSTANT t INTENSITY i 9 2 Basic Display Flow Chart BLANK DISPLAY OPACITY o DUST d CAL CHECK c c SELECT UNITS OPAC duSt DUST GAIN F SET ALARM A A SET O P RANGE r r SET...

Страница 32: ...s selected The gain value can be set between 1 and 9999 This is represented on the display as 0 001 and 9 99 SET ALARM A High alarm limits in the range of 1 0 to 99 9 for opacity or 1 to 999mg m3 for...

Страница 33: ...Page 27 User Guide Model 4200 Dust Opacity Monitor Full Display Flowchart Fig 9 1...

Страница 34: ...DO NOT REMOVE THE YELLOW GREEN WIRE Fig 10 1 Key 1 Front Detail Panel 2 Filter Holders 3 Top Covers 10 1 1 Zero check Retrieve the zero reflector holder dispatched in separate packaging part number 70...

Страница 35: ...g surface facing the display end of the transmissometer in the position nearest the stack 3 Place the 20 filter in the other vacant filter holder position 4 Allow the display reading to settle and the...

Страница 36: ...the filter holder position nearest the stack with the blank side non reflective nearest the display For instruments with a path length greater than 5 metres remove the top plate from the retroreflecto...

Страница 37: ...strument is automatically setting the zero point When the decimal point stops flashing the display value should be 0 00 5 Place the zero reflector holder supplied as a separate item into the filter ho...

Страница 38: ...e Select the Dust mode display Step through the selections using the Mode key until d is displayed in the right hand side of the display The display will now be displaying the dust values in the stack...

Страница 39: ...s 150 125 1 20 Dust Gain Factor Gradient 0 1 1 20 0 1 0 120 10 5 4 Input new Dust Gain Factor Set the Dust Gain Step through the selections using the Mode key until F is displayed in the left hand sid...

Страница 40: ...emove the filter from the filter housing Remove the rubber cup then empty wipe out and replace Filter Element 701 980 90 days Examine for holes or rips Wash thoroughly dry then replace Replace annuall...

Страница 41: ...nal Warning avoid finger contact with the reflector surface Disconnect the power and signal cables before commencing To clean the retro reflector remove the top plate on the retro reflector loosen the...

Страница 42: ...013 1 Fan unit Voltage and frequency detail required 1 or 2 Auto shutters 703 073 1 Weather cover 703 069 For transmissometer only 1 Alignment unit 703 070 2 parts Light transmitter optical receiver...

Страница 43: ...lt Plus Plus Plus 1 M LED Failure 2 F LED Failure 3 M LED Failure F LED Failure 4 ADC Overrange 5 M LED Failure ADC Overrange 6 F LED Failure ADC Overrange 7 M LED Failure F LED Failure ADC Overrange...

Страница 44: ...cators If a The 5v LED is OFF Check the power supply source to the unit is switched on Fuse failures or overload trip of circuit breakers should not be replaced or reset until the cause of failure has...

Страница 45: ...User set average time 1s 59s 1min to 59min or 1hr to 8hrs Flange to Flange Pathlength 0 3m to 10m 1ft to 32ft minimum flange to flange width Calibration Method Push buttons for setup calibration align...

Страница 46: ...5A at 125Vac for System OK and High Alarm Environmental Protection Operating Temperature 20 to 55 C 4 to 131 F Maximum Flue Gas Temperature 600 C 1112 F Protection Rating IP65 NEMA4 Safety Conforms w...

Страница 47: ...erials or workmanship but due to application conditions Land Instruments International reserve the right to charge additionally for all labour on establishing this at the customer s works Warranty cov...

Страница 48: ......

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