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Maretron TLM150 - page 1
Revision 1.2 Page i ® ® TLM150 Gasoline Tank Level Monitor User’s Manual Revision 1.2 Copyright © 2010 Maretron, LLP All Rights Reserved Maretron, LLP 9014 N. 23 rd Ave #10 Phoenix, AZ 85021 http://www.maretron.com Maretron Manual Part #: M002301 ...
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Maretron TLM150 - page 2
TLM150 User’s Manual Page ii Revision 1.2 Revision History Revision Description 1.0 Original document 1.1 Corrected typo in NMEA 2000 protocol PGN list Corrected maximum depth in specification table 1.2 Added documentation on mounting locations and theory of operation Corrected torque specifications Added prohibition of red Loctite thr eadlocking ...
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Maretron TLM150 - page 3
Revision 1.2 Page iii ® ® Table of Contents 1 General .............................................................................................................................. .. 1 1.1 Introduction .................................................................................................................... 1 1.2 Ga ...
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Maretron TLM150 - page 4
TLM150 User’s Manual Page iv Revision 1.2 Table of Figures Figure 1 – TLM150 Mounting – SAE 5-Hole Bolt Pattern .......................................................... 5 Figure 2 – Mounting TLM150 to SAE 5-Hole Tank with Focus Tube ......................................... 6 Figure 3 – TLM150 Mounting With Threaded Adapter .... ...
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Maretron TLM150 - page 5
Revision 1.2 Page 1 ® ® 1 General 1.1 Introduction Congratulations on your purchase of the Mare tron Tank Level Monitor (TLM150). Maretron has designed and built your monitor to the highest standards for year s of reliable, dependable, and accurate service. The TLM150 is used to sense leve ls of gasoline tanks using ultrasonic technology and tran ...
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Maretron TLM150 - page 6
TLM150 User’s Manual Page 2 Revision 1.2 1.5 TLM150 Accessories Maretron offers the following accessories for the TLM150: • TA-5H-1.5NPT 1.5” NPT Dis placement Hull Tank Adapter • TA-5H-1.25BSP 1.25” BSP Displ acement Hull Tank Adapter • TFT-5H SAE 5-Bolt Pattern N on-Displacement Hull Focus Tube • TFT-1.5NPT 1.5” NPT Non-Displaceme ...
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Maretron TLM150 - page 7
® ® TLM150 sensor component is 6°. Please refer to Figure 1 below for a diagram of the waves emitted and received by the TLM150. Please note that due to limitations of ultrasonic technology, the minimu m depth that can be measured by the TLM150 is 2” (5.08cm). Figure 1 - TLM150 Operation 2.3 Choosing a Mounting Location The primary function of ...
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Maretron TLM150 - page 8
TLM150 User’s Manual Page 4 Revision 1.2 • The sensor component of the TLM150 mu st be mounted over the deepest part of the tank, in order to obtain accurate dept h readings when the tank is empty or near empty. • In order to obtain accurate readings wh en the tank is empty, the tank bottom directly under the TLM150 mu st be both smooth and f ...
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Maretron TLM150 - page 9
® ® WARNING • Gasket installs only one way and must be properly aligned to the tank and sensor for proper operation • Use only supplied gasket – other gaskets may obstruct and render device inoperative – do not use silicone sealant around the gasket • Use only Maretron adapters – others may have wrong diameter, rendering device inoper ...
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Maretron TLM150 - page 10
TLM150 User’s Manual 2.4.1.2 Installation on a Tank with a SA E J1810 5-Bolt Fitting and Focus Tube If a focus tube is used for a tank with a SAE J1810 5-bolt fitting, determine the depth of the tank at the location of the t ank sensor mounting hole and use a saw with a metal-cutting blade to trim the focus tube so that it reaches 1” above the ...
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Maretron TLM150 - page 11
® ® 2.4.1.3 Installation on a Tank with a 1.25”BS P or 1.5”NPT Threaded Tank Fitting For a threaded tank sender mounting hole, firs t thread the adapter into the tank opening and tighten to a torque of 3-5 ft-lbs (4.1-6.8 N·m). Next, place the TLM150 gasket over the adapter so that the bolt holes on the gasket line up with the bolt holes on ...
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Maretron TLM150 - page 12
TLM150 User’s Manual 2.4.1.4 Installation on a Tank with a 1.25”BSP or 1.5”NPT Threaded Tank Fitting and Focus Tube If a focus tube is used for a tank with a SAE J1810 5-bolt fitting, determine the depth of the tank at the location of the t ank sensor mounting hole and use a saw with a metal-cutting blade to trim the focus tube so that it rea ...
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Maretron TLM150 - page 13
® ® 2.4.2 Mounting the TLM150 Interface Component The actual mounting of the TLM150 interface component is not critical and the unit can be mounted in any orientati on. The TLM150, NMEA 2000 ® connector, and cable are all waterproof (rated IP67 – prot ected against temporary immersi on in water) so you can mount the unit virtually anywhere. On ...
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Maretron TLM150 - page 14
TLM150 User’s Manual Figure 7 – NMEA 2000 ® Connector Face Views 3 Configuring the TLM150 The TLM150 has several configurable paramete rs, which are shown below including the default values. If you are not using the defaul t values, then you will need to refer to the corresponding section for confi guring the TLM150 appropriately. 1. Tank Numb ...
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Maretron TLM150 - page 15
Revision 1.2 Page 11 ® ® 3.2 Configuring Tank Capacity In addition to indicating the gasoline level within a tank, the TLM150 also has the abilit y to be configured or programmed wit h the attached tank’s capacity. This way, you will be able to view the tank’s capacity as well as the amount of gasol ine remaining anywher e on the vessel where ...
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Maretron TLM150 - page 16
TLM150 User’s Manual Page 12 Revision 1.2 5 Troubleshooting If you notice unexpected operation of the Mare tron TLM150, follow the troubleshooting procedures in this section to remedy simple problems. Symptom Troubleshooting Procedure No tank level output 1. If operating in the NMEA 2000 ® Mode , check the connection to the NMEA 2000 ® interfac ...
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Maretron TLM150 - page 17
Revision 1.2 Page 13 ® ® Symptom Troubleshooting Procedure Erratic Readings 1. Remove the sender and place it on top of a standard paper towel roll core. Be sure the towel core is on a hard surface. Reset the unit to factory defaults using either a DSM250 display or N2KAnalyzer. Power the unit up and wait for tw o minutes. The tank level value sh ...
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Maretron TLM150 - page 18
TLM150 User’s Manual Page 14 Revision 1.2 6 Technical Specifications Specifications Parameter Value Comment Accuracy ±2% Resolution ± 1% Number of Tank Types 1 Fuel (Gasoline only) Number of Tanks per Tank Type 16 16 Tanks per Tank Type Numbe red 0-15 Maximum Tank Depth 24” (0.61m) Minimum Depth Reading 2” (5.08cm) Sensor Deadband Support f ...
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Maretron TLM150 - page 19
Revision 1.2 Page 15 ® ® Mechanical Parameter Value Comment Size 3.9”” x 1.2” x 1.0” (99mm x 30.5mm x 25.4mm) Interface Component 2.7” dia. X 0.9” (68.6mm dia. x 22.9mm) Sensor Component 8.5” (215.9mm) Interconnecting Cable Weight 12 oz. (340g) Mounting SAE J1810 5-hole bolt pattern Can mount to 1.25” BSP or 1.5” NPT using avail ...
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Maretron TLM150 - page 20
TLM150 User’s Manual Page 16 Revision 1.2 8 Maretron (2 Year) Limited Warranty Maretron warrants the TLM150 to b e free from defects in materials and workmanship for t wo (2) years from the date of original purchase. If within the applicable per iod any such products sh all be proved to Maretron’s satisfaction to fail to meet the above lim ited ...
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Maretron TLM150 - page 21
Revision 1.2 Appendix A – NMEA 2000 ® Interfacing Page A1 ® ® Appendix A – NMEA 2000 ® Interfacing TLM150 NMEA 2000 ® Periodic Data Transmitted PGNs PGN 127505 – Fluid Level The TLM150 uses this PGN to indicate the attached tank’s fluid instance, fluid type, fluid level, and tank capacity. Field 1: Fluid Instance – This field is us e ...
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