Level-Trol Pneumatic Liquid 1 Level Controllers and ...

1 1 Product Flier :2500D102776X412 Level -Trol Pneumatic LiquidLevel Controllers andTransmittersW3121-3/ILW3120-2/IL Proportional, Proportional-plus-Reset, Differential Gap(On/Off) Control Mode or transmitter Operation Simple Dial Controls for Set Point, Proportional Band, Reset,Zero, and Span Adjustments The Displacer Sensor Measures Changes in Liquid Level ,Specific Gravity, or Interface Level , and the controller orTransmitter Sends a Pneumatic Signal that is Proportional to the Changes The 249 Series Displacer is Contained in a Rugged Cage forMounting on the Side of a Tank, or the Displacer can beSuspended in a Tank without a Cage Tank Flanged Connections to 8-Inch SizeApril 2001 Product Flier :25002 General SpecificationsProportional Pneumatic controllerProportional band adjustable for full output pressure change over 10 to 100% of displacer length: Type 2500 Proportional-plus-reset Pneumatic controllerProportional band adjustable for full output change over 20 to 200%of displacer length: Type 2502 controller andTransmitter SelectionsProportional-plus reset Pneumatic controller with anti-reset windupProportional band adjustable for full output change over 20 to 200%of displacer length: Type 2502 FTransmitter Selections(Also Refer to SensorTables)Proportional Pneumatic transmitterSpan adjustable for full output change over 20 to 100% of displacerlength.

2 Type 2500 TTables)Differential gap (on-off) Pneumatic controllerwith full adjustmentDifferential gap adjustable for full output change over 0 to 100% ofdisplacer length: Type 2500 SDifferential gap (on-off) Pneumatic controllerwith limited adjustmentDifferential gap adjustable for full output change over 25 to 40% ofdisplacer length (adjustment will vary based on displacer length,specific gravity and supply pressure): Type 2503 Fluid Level or fluid interface levelFrom 0 to 100 percent of displacer length standard lengths for allsensors are 356 mm (14 inches) or 813 mm (32 inches); otherlengths available depending on sensor constructionProcess Sensor Range(Input Signal)Fluid densityFrom 0 to 100 percent of displacement force change obtained withgiven displacer volume standard volumes are 980 cm3 (60 inches3) for Types 249C and 249CP sensors or 1640 cm3 (100 inches3) for most other sensors.

3 Other volumes availabledepending upon sensor constructionAllowable SpecificFluid Level or fluid interface levelType 2503 and 2503R: Specific gravity range, to other types: Specific gravity range, to SpecificGravity (Standard)Fluid densityType 2503 and 2503R: Minimum change in specific gravity, other types: Minimum change in specific gravity, Point Adjustment ( Controllers only)Continuously adjustable to position control point or differential gap of less than 100 percent anywhere within displacer length (fluid orinterface Level ) or displacement force change (density)Zero Adjustment (Transmitters only)Continuously adjustable to position span of less than 100 percentanywhere within displacer length (fluid or interface Level ) ordisplacement force change (density)Reset Adjustment (Proportional-Plus-Reset Controllers Only)Continuously adjustable from to over minutes per repeat(from 200 to under repeats per minute)Anti-Reset Differential Relief (Type 2502F and 2502FR Controllers Only)

4 Continuously adjustable from to bar or 2 to 7 psi differential to relieve excessive difference between proportional and reset pressuresOutput Signal--Direct(Increasing LevelProportional or reset Controllers to or to bar3 to 15 or 6 to 30 psig(Increasing LevelIncreases O tp t) orDifferential gap Controllers with full adjustment0 and or 0 and bar0 and 15 or 0 and 30 psigIncreases Output) orReverse ActionDifferential gap Controllers with limitedadjustment0 and full supply pressureStainless steel heat insulator assembly;OStainless steel heat insulator assembly;OptionsStainless steel heat insulator assemblyJerguson gauges;OptionsJerguson gauges;Mechanical Level indicatorMechanical Level indicatorPerformanceIndependent Linearity (Transmitters Only)1 percent of output pressure change at span of 100 percent of output pressure change at 100 percent of proportional band, differential gap, or percent of displacer length or displacement force changeDeadband (Except Differential Gap Controllers ) percent of proportional band or spanTypical Frequency Response4 Hz and 90-degree phase shift at 100 percent of proportional band, diferential gap, or span with output pipe to typical instrument bellows using meters or 20 feet of mm or 1/4-inch tubingProduct Flier.

5 25003 Supply PressureOUTPUT SIGNALNORMALOPERATING SUPPLYPRESSUREMAXIMUM (TO PREVENTDAMAGE TO PARTS)AIR CONSUMPTION AT NORMAL OPERATINGSUPPLY PRESSURE, Nm3 to or0 and for to or0 and for to 15 or0 and 20 for to 30 or0 and 35 for on-off3545742 TemperaturesTemperat reType or MaterialTemperature CapabilityNotesTemperatureType or Material C FNotesStandard 2500 Series 40 to 71 40 to 160 AmbientHigh-temperature 2500 Series 18 to 1040 to 219 For process temperaturesCast iron sensor parts 29 to 232 20 to 450 For rocess tem eraturesbelow 29 C or 20 F andSteel sensor parts 29 to 427 20 to 801below 29C or 20F andfor guidance on the need for a heat insulator contactStainless steel sensor parts 198 to 427 324 to 801for a heat insulator, contactyour Fisher sales officeProcessN05500 torque tube 198 to 371 324 to 700your Fisher sales the ambient dew point isGraphite/stainless steelgaskets 198 to 427 325 to 800If the ambient dew oint ishigher than the processtemperature, ice might Monel/PTFE gaskets 73 to 204 100 to 400tem erature, ice might form and cause instrumentmalfunction and reduceCombination of ambient andprocessSome combinations of process and ambient temperatures within the above require an optional heat insulator to protect the instrument from high or low temperatures.

6 For example, an ambient temperature of 86 F or 30 C and a process temperature of 200 C or 392 F require a heat and reduceinsulator SensorW0660-1/ILCaged SensorW2141-1/ILW0656-1/ILTypical ControllerProduct Flier :25004 MaterialsPartSensor TypeStandard MaterialNotesSensor249 Cast ironCage head and torque tube arm249 CPCF8M (316 stainless steel)Cage, head, and torque tube arm249K, 249L, and 249 NSteel249P and 249 VCast iron or steelTorque tubeAll except 249 CPN05500 (K-Monel)For optional materials and for partsTorque tube249 CPS31600 (316 stainless steel)For o tional materials and for artsnot shown, contact your FisherlffiAll except 249CP and 249LS30400 (304 stainless steel)ysales lacer249LA91100F (solid aluminum)BoltingAllB7 steel studs or cap screwsand 2H steel nutsController or TransmitterBourdon tube or bellowsBrass, plus stainless steel 3-wayvalve for Type 2503 or 2503 RcontrollerRelay diaphragmsNitrile (standard) or polyacrylate(high-temperature)

7 Relay O-ringNitrileGasketingNeoprene (standard) or rubber(high-temperature)- - -Seal ring O-rings (and reset relief valve O-rings if used)Nitrile (standard) or fluoroelastomer(high-temperature)CaseAlu minumCoverAluminum with glass gaugewindows and nitrile cover gasketSensor Sizes, Connections, and RatingsRatingConnection SizeConnection TypeSensor TypeNumberCaged DisplacersClass 125 or 250;cast iron1-1/2 or 2 inchesScrewed or flanged249 Class 125 or 250; cast iron2 inchesFlanged249PN 10/16, 25/40, or 63/100; steelDN 40 FlangedPN 10/16 or 25/40; steelDN 50 Flanged249 BFClass 600; steel1 1/2 or 2 inchesNPT or socket-welding ends249 BFClass 150, 300, or 600; steel1-1/2 or 2 inchesRaised-face flanged or ring-type joint flangedClass 1500; steel1-1/2 or 2 inchesRaised-face flanged or ring-type joint flanged249 KClass 2500; steel2 inches (if a top connectionis specified, it will be 1-inchflanged)Ring-type joint flanged249 LClass 900; steel1-1/2 or 2 inchesRaised-face flanged or ring-type joint flanged249 NTop- mounted Cageless SensorsClass 150, 300, or 600; 316 stainless steel3 inchesRaised-face flanged249 CPPN10/16, 25/40, or 63(Ratings to PN 250 also available);steel or stainless steelDN 100 Flanged249 PClass 900 or 1500; steel or stainless steel4 inchesRaised-face flanged or ring-type joint flanged249 PClass 150 through 2500; steel or stainlesssteel6 or 8 inchesRaised-face flangedSide- mounted Cageless SensorsClass 125 or 250; cast iron4 inchesFlat-face flangedClass 150.

8 Steel4 inchesRaised-face flanged or flat-face flangedClass 300 through 1500; steel4 inchesRaised-face flanged or ring-type joint flanged249 VClass 2500; steel4 inchesRing-type joint flanged249 VClass 150; stainless steel4 inchesRaised-face flanged or flat-face flangedClass 300, 600, or 900; stainless steel4 inchesRaised-face flanged or ring-type joint flangedProduct Flier :25005 Displacer Lengths and VolumesSensor TypeNumberDisplacer LengthDisplacer VolumeCaged DisplacersmmInchescm3 Inches3249356 or 81314 or 32249BF, 249K, 249L, 249 NTop- mounted Cageless Sensors356, 813, 1219, 1524,14 32 48 60 72 84 96 Type 249 CP: 983 Type 249 CP: 60249CP, 249P356, 813, 1219, 1524,1829, 2134, 2438, 2743,14, 32, 48, 60, 72, 84, 96,108 120Ty e 249 CP: 983 All others: 1639Ty e 249 CP: 60 All others.

9 100 Side- mounted Cageless Sensors1829, 2134, 2438, 2743,3048108, 120249 VConnection Styles and PositionsE0669 / ILA6924/ILBOTTOMCONNECTIONTOP CONNECTIONUPPER SIDE CONNECTIONLOWER SIDE CONNECTIONAPPROXIMATEDISPLACERLENGTHALTE RNATE POSITIONS FORLEFT OR RIGHT HANDMOUNTINGLEFT HAND MOUNTING(INSTRUMENT ON LEFTOF SENSOR WHENVIEWED AS SHOWN)TANKLEFTC onnection Types:S = ScrewedF = FlangedSW = Socket WeldingConnectionStyle 1 Style 2 Style 3 Style 4 ConnectionLocations:Top and bottomTop and lower sideUpper side and lower sideUpper side andbottomExample:F-1 means flanged connections at the top and bottom of the Flier :25006 For Further Information, - Zentrum No Sud Stra e 2a, obj M29A- 2351 Wr. Neudorf) + + Kleetlaan 4B-1831 Diegem) + + Control17, Mila Rodina 1408 Sofia) + + Trubetskaya Street 8 - 11th floorCIS-119881 Moscow) + + 1910000 Zagreb) + + RepFisher-RosemountVolsin ch 75Cz- 100 97 Praha 10) + 663 + 11DK-3450 Aller d) + +.

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