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Summary of Contents for Metal Samples MS2601E
- Page 1 MS2601E High Resolution ER 4-20mA Transmitter Operator’s Manual Metal Samples Company A Division of Alabama Specialty Products, Inc. 152 Metal Samples Rd., Munford, AL 36268 Phone: (256) 358-4202 Fax: (256) 358-4515 E-mail: msc@alspi.com Internet: www.metalsamples.com...
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Page 3: Table Of Contents
Testing the Current Loop ................12 i. Calibration ....................12 ii. Testing loop output zero (4mA) and span (20mA) ......... 12 iii. Testing the MS2601E with the Meter Prover .......... 12 c. Interpreting Data .................... 13 i. Metal Loss ....................13 ii. -
Page 5: Introduction
Practical current loop distances can be many thousands of feet (see pages 6 and 7 for exact specifications.) The MS2601E is compatible with all types of Metal Samples ER probes, as well as any standard ER probe from other manufacturers. Unlike competitors’ products, the MS2601E Transmitter does not require factory modification to accommodate different probe types. - Page 6 The MS2601E measures an ER probe utilizing a high-resolution, 16-bit measurement. This allows the MS2601E to detect much smaller amounts of metal loss, thus responding faster to corrosion events and upsets (compared to traditional ER meters.) At 16-bit resolution the MS2601E can measure metal loss amounts as small as 0.0015% of the probe life.
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Page 7: Technical Specifications
C. Technical Specifications Model MS2601E - High Resolution ER 4-20mA Transmitter Physical Data Instrument Weight: 5.25 lb. (2.38 Kg) Total Weight w/ Accessories: 7.31 lb. (3.31 Kg) Instrument Dimensions: 9.0"H x 5.3"W x 5.0"D (22.86cm H x 13.46cm W x 12.70cm D) -
Page 8: Installation And Operation
II. Installation and Operation A. Receiving the MS2601E Transmitter Check the MS2601E Transmitter for any shipping damage when it is first received. When the MS2601E is unpacked, verify that the following items are included: MS2601E Transmitter • • Meter Prover •... -
Page 9: Remote Mounting
Figure 2. MS2601E Direct Mount Installation b. Remote Mounting When it is not practical to direct-probe mount the MS2601E transmitter, the unit can be remote mounted instead. In this case the instrument is mounted to a separate mounting pole using the optional Remote Mounting Hardware Kit. -
Page 10: Current Loop Connection
2. Current Loop Connection a. Making Connections The MS2601E current loop connection wiring enters the transmitter through the 1/2" female NPT conduit port shown in Figure 4 below. Please refer control drawing for wiring and Terminal identification. When used in a hazardous area, the conduit or cable connections must be made in such CAUTION: a way that all hazardous area requirements are met. -
Page 11: Wiring For A Hazardous Area Installation
Limiting electrical energy is the most practical method of protecting the MS2601E measuring system when the Transmitter is installed in a hazardous area. In the MS2601E system, electrical energy limits are maintained using a power supply with Um of 28V installed in the 4-20 mA current loop per standard practice. -
Page 12: Setup And Operation
3. Setup and Operation a. Probe Selection Switches Housed within the MS2601E enclosure are probe selection switches which allow the instrument to be set for any standard ER probe type. They also allow the instrument to be placed into several test modes which output fixed values, allowing verification of the current loop connection and DCS program. -
Page 13: Calibration
Testing the Current Loop i. Calibration The MS2601E is fully calibrated when shipped from the factory. The calibration settings are fixed to avoid accidental change which could result in erroneous data. In general no field calibration is required. However, it is important to test the MS2601E upon installation, and during periodic maintenance inspections, to ensure the unit is operating properly. -
Page 14: Testing The Current Loop
Testing loop output zero (4mA) and span (20mA) The MS2601E Probe Selection Switches (page 9) offer three test settings that allow the unit to be placed into various diagnostic modes as follows: 1) 4mA Output – Forces a constant 4mA output on the current loop. -
Page 15: Interpreting Data
4mA = 0 mils (0% Metal Loss) 20mA = Probe Life in mils (100% Metal Loss) The Probe Life can be found in Table 1 and is also listed on the Metal Samples probe tag (as the “Multiplier”.) Figure 6. Metal Samples Probe Tag Figure 7 illustrates the relationship between Loop Current and Metal Loss. -
Page 16: Calculating Corrosion Rate
ii. Calculating Corrosion Rate As explained previously, ER probes and instruments report Metal Loss. However, the value that is of ultimate interest is Corrosion Rate. The Corrosion Rate is essentially Metal Loss over time, so the Corrosion Rate can be calculated using the following formula: ∆Loop Current(mA) Corrosion Rate(mpy) = ×... -
Page 17: Commissioning
Commissioning Once the MS2601E transmitter has been installed, tested, and properly configured for the probe in use, it can then be closed and put into service. First, perform one last visual inspection to ensure that all electrical connections are secure and that the enclosure o-ring is in place and is in good condition. -
Page 18: Maintenance
C. Maintenance Once installed, the MS2601E requires little maintenance. However, it is important to verify the following items periodically to ensure continued safe operation. Before performing any tests or maintenance on the MS2601E, ensure that all hazardous area CAUTION: requirements are met. - Page 19 MS2601E is malfunctioning, or if you need further assistance in troubleshooting, contact Metal Samples Technical Support. CAUTION: If the MS2601E shows any signs of damage remove it from service immediately and consult the factory. ATTENTION: Si le MS2601E montre des signes de dommages, mettez-le immédiatement hors service et...
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Page 20: Service And Warranty Information
III. Service and Warranty Information A. Warranty Metal Samples warrants that any part of the MS2601E and accessories which proves to be defective in material or workmanship within one year of the date of original shipment to Purchaser will be repaired or replaced, at Metal Samples option, free of charge. -
Page 21: Instrument Repair Form
C. Instrument Repair Form This form may be photocopied for use when returning an instrument to Metal Samples for repair. Please fill in all known information and enclose a copy of the completed form with the instrument. General Information Model... -
Page 22: Appendix A: Revision History
Appendix A: Revision History Revision Date Changes 03/11/16 Initial Release Revisions to Technical Specifications page 01/16/17 03/31/20 New Model with Isolator 10/23/20 Additional Warnings added... -
Page 23: Appendix B: Hazardous Area Certification Details
Appendix B: Hazardous Area Certification Details... -
Page 29: Appendix C: Drawings
Appendix C: Drawings A. Wiring Diagrams Control Drawing (Hazardous Area Wiring Diagram) - Page 30 HAZARDOUS AREA SAFE AREA MS2601E/MS2651E/MS2901E/MS2951E HIGH RESOLUTION ER 4-20mA TRANSMITTER V(+) V(-) = 28V Current Loop Supply (24V Dc) from PLC/DCS/PSU/..V(+) V(-) Meter Prover Probe Cable Assembly (Sold Separately) ER Probe (Simple Device) MAXIMUM OUTPUT ENTITY PARAMETERS (Sold Separately)
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