Emerson L2 Data Sheet
Contents
1. Figure 2 Dimensions LEVER ARM NPT OR SLIP ON 1 2 14 NPT EXTERNAL CONDUIT CONNECTION 88 149 5 87 ma AN ELECTRIC Cc LEVEL CONTROLLER 142 5 60 Sensor Configuration with A B c D E F Optional Extensions mm Inch mm 1 7 8 x 12 PVC Displacer INCH with one inch Extension 58923 19 335 13 19 287 11 31 302 11 88 48 1 88 318 12 50 3 x 6 PVC Displacer with one 3inch Extension 363 4 14 31 258 7 10 19 211 8 31 152 4 6 00 76 2 3 00 168 1 6 62 Neither Emerson Emerson Process Management nor any of their affiliated entities assumes responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any product remains solely with the purchaser and end user Fisher and easy Drive are marks owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co All other marks are the property of their respective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees2. Level Change Required for Full Change in State of Output 5 0 to 559 mm 0 2 to 22 inches Vessel level differential gap DG is dependant on factors such as valve sizing actuator speed rate liquid out flow and vessel size Contact your Emerson Process Management sales office for Fisher Electric Level Loop performance optimization Specific Gravity Limits Minimum SG 0 15 Maximum SG PVC Displacer 1 3 SST Displacer 1 1 Electrical Rating Output Mi easy Drive actuator application 7 MA 5 VDC E Other applications 1 amp resistive 0 5 amp inductive 28 VDC Note Use with easy Drive after first being used in other high power application is not recommended Power Consumption Switch consumes no power to operate so it has no current leakage or voltage drop Sensor to Vessel Connection E 2 NPT threaded or W NPS 2 CL150 through 1500 slip on flange connection Controller Connection Electrical 1 2 14 NPT external conduit connection with 18 inches of 18 AWG lead wires located at the bottom of the case continued Displacer Sizes E 48 X 305 mm 541 cm 1 7 8 X 12 inches 33 in HE 76 X 152 mm 688 cm 3 X 6 inches 42 in Maximum Displacer Rod Length 2 Horizontal or Vertical 1 7 8 x 12 Displacer with one 6 inch extension optional use 3 x 6 Displacer with one 3 inch extension optional use Displacer Material and Maximum Sensor Working Pressure 3 PVC Displacer Consistent with CL1500 pressur
3. express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Marshalltown lowa 50158 USA Sorocaba 18087 Brazil Chatham Kent ME4 4QZ UK Dubai United Arab Emirates eS Singapore 128461 Singapore www Fisher com i Tal CJ J EMERSON 2013 2014 Fisher Controls International LLC All rights reserved ee
4. L2e Controller D103532X012 Product Bulletin 34 2 L2e June 2014 Fisher L2e Electric Level Controller The rugged Fisher L2e electric on off level controller uses a displacer type sensor to detect liquid level or the interface of two liquids of different specific gravities This controller is ideal for controlling level in oil and gas separators treaters and scrubbers The reliability of the L2e force balanced sensor design makes it well suited for applications in the oil and natural gas production compression and processing industries Features m Repeatable Electric Level Control In conjunction with the Fisher easy Drive electric actuator a fully electric level control loop is tunable for a wide variety of applications see figure 1 Effective Level Loop Tuning Intuitive Zero and Span adjustments allow flexibility in setting loop performance over a level range of 5 0 to 559 mm 0 2 to 22 inches More Reliable Control Premium quality hermetically sealed switch with gold contacts and advanced knife edge sensing provide highly dependable and accurate liquid level control On Line Field Support QR code on inside cover gives instrument technicians instant access to wiring setup calibration tuning and trouble shooting Environmentally Responsible Replacing a conventional pneumatic level loop with fully electric level control eliminates controller and dump valve venting and requires less maintenance C
5. e temperature ratings per ASME B16 34 up to maximum pressure of 258 5 bar 3750 psig For PED 97 23 EC maximum pressure limited to 200 bar 2900 psig 31603 SST Displacer CL600 pressure temperature ratings per ASME B16 34 up to maximum pressure of 99 3 bar 1440 psig Note For slip on flange connection maximum sensor working pressure must be consistent with the flange ratings Operative Ambient Temperature Limits Controller 40 to 75 C 40 to 167 F Operative Process Temperature Limits 3 Sensor Wi PVC Displacer 18 to 71 C 0 to 160 F E S31603 SST Displacer 40 to 204 C 40 to 400 F Construction Materials Controller Case and Cover Marine grade aluminum Switch Stainless steel Span Levers Stainless steel Springs Stainless steel Sensor Sensor Body LCC O Rings Fluorocarbon Pivot Assembly Stainless steel Displacer m Polyvinylchloride PVC or m S31603 SST Sensor Spring Stainless steel Product Bulletin L2e Controller 34 2 L2e D103532xX012 June 2014 Specifications continued Hazardous Area Classifications Available IECEx i Flameproof Ex d IIC T6 Ta 40 C to 75 C Switch Only Dust Ex tb IIIC T85 C Db IP6X Ta 40 to 75 C 1AM cCSAus i Explosion proof Class Division 1 Groups ABCD Canadian Registration CRN Dust Ignition proof Class II Division 1 Groups EFG The L2e utilizes the same sensor unit pressure Dual Seal component as the L2 pneumatic controller vers
6. ion Refer to L2 CRN which is deemed applicable to the ATEX Il2GD L2e Flameproof Ex d IIC T6 Ta 40 C to 75 C Dust Ex tb IIIC T85 C Db IP6X Ta 40 to 75 C Dimensions 1 A Max Refer to figure 2 NOTE Specialized instrument terms are defined in ANSI ISA Standard 51 1 Process Instrument Terminology 1 Converting from a threaded NPT connection to a flange connection is to be done by the end user Refer to Converting a Threaded NPT Connection to a Flange Connection instruction Manual Supplement D103277X012 available at www Fisher com or from a Emerson Process Management sales office 2 Maximum span setting with 1 7 8 x 12 inch horizontal displacer plus 6 inch extension is not recommended due to potentially insufficient zero adjustment 3 The pressure and temperature limits in this document and any applicable code limitations should not be exceeded Figure 1 Electric Level Loop Solutions PRODUCTION FLUID FROM WELL HEAD e INLET L2e ELECTRIC LEVEL CONTROLLERS MAINTAIN LEVEL AT DESIRED DG D3 D4 WITH easy Drive ACTUATOR CONTROLS THE FLOW OF OIL AND WATER PRODUCTION FLUID OUT OF THE SEPARATOR FROM WELL HEAD INLET HORIZONTAL SEPARATOR L2e ELECTRIC LEVEL CONTROLLERS MAINTAIN LEVEL AT DESIRED DG FISHER D3 D4 WITH easy Drive ACTUATOR CONTROLS THE FLOW OF OIL AND WATER OUT OF THE SEPARATOR VERTICAL SEPARATOR Product Bulletin 34 2 L2e June 2014 L2e Controller D103532X012
7. onsumes No Electrical Power Quality of design and components help ensure no leakage current Vibration Resistant Sensor Dynamics Controller performance and reliability does not degrade in high vibration installations such as on compressor scrubbers SCAN OR CLICK THE QR CODE FOR L2e AND easy Drive ELECTRIC LEVEL LOOP FIELD SUPPORT Field Configurable Vertical or Horizontal Displacer Displacer may be adjusted in the field for vertical or horizontal operation without additional parts Field Technician Friendly The sensor can be easily disassembled to inspect or replace process seals The controller with no repairable or replaceable parts is easily replaced in the field NACE Service Ready Standard construction uses materials that comply with the requirements of NACE MRO175 2002 CL1500 Pressure Rating Sensor assembly is designed and specified for ASME B16 34 CL1500 service when using a Polyvinylchloride PVC displacer For PED 97 23 EC maximum pressure is limited to 200 bar 2900 psig iS EMERSON www Fisher com Process Management Product Bulletin 34 2 L2e June 2014 Specifications L2e Controller D103532X012 Available Configurations Controller On Off electric control action with intuitive Zero and Span Adjustments in SPDT dry contact configuration Sensor Displacer type liquid level sensor for mounting to side of vessel Input Type Liquid level or liquid to liquid interface
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