Related Manuals for Ametek 742R
Summary of Contents for Ametek 742R
- Page 1 TECHNICAL MANUAL OPERATION, MAINTENANCE AND INSTALLATION INSTRUCTIONS MODELS 742R, 742C, 742V PRESSURE TRANSDUCER MODELS 742D DIFFERENTIAL PRESSURE TRANSDUCER PMT PRODUCTS AK796466 Rev. D June 2017...
- Page 2 INSERT LATEST CHANGED PAGES. DESTROY SUPERSEDED PAGES LIST OF EFFECTIVE PAGES. NOTE: a vertical line in the outer margins of the page indicates the portion of the text affected by the changes. Changes to illustrations are indicated by miniature pointing hand. Changes to wiring diagrams are not identified.
- Page 3 CHANGE RECORD CHANGE DATE TITLE OR BRIEF DESCRIPTION ENTERED BY Added Storage Temperature Limits -67 °F (-55 °C) August 17,2005 to 257 °F (125 °C) to page 1-5 Removed breather disc in Figure 1-1 and 1-2 October 2, 2015 Changed available standard ranges pressure transducers and differential pressure transducers paragraph 1-3.1 (page 1-4) and on Table 1-1, Reference Data Specification (page1-5) and...
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Page 4: Table Of Contents
TABLE OF CONTENTS Chapter/Paragraph Page GENERAL INFORMATION AND SAFETY PRECAUTIONS General Information and Safety Precautions Introduction Equipment Description Reference Data Equipment Safety Precautions OPERATING PROCEDURES Introduction Controls and Indicators Operating Procedures Zero & Span Adjust Potentiometer Operation Calibration Connections FUNCTIONAL DESCRIPTION Introduction Functional Description SCHEDULED MAINTENANCE... - Page 5 TABLE OF CONTENTS Chapter/Paragraph Page LIST OF ILLUSTRATIONS Figure Page Pressure Transducer Differential Pressure Transducer Pressure Transducer Model Designation Differential Pressure Transducer Model Designation Controls and Indicators Calibration Test Set-up (4-20 mA dc Output Models) Calibration Test Setup (0-5 V dc Output Models) Outline Dimensions - Pressure Transducer Outline Dimensions - Differential Pressure Transducer LIST OF TABLES...
- Page 6 SAFETY SUMMARY The following warnings appear in the text of this manual and are repeated here for emphasis. Before performing any maintenance or repair of the equipment, personnel must read and understand all applicable warnings. WARNING Observe all precautions given in the calibration technical manual and in Navy precautions for forces afloat OPNAVINST 5100.
- Page 7 CAUTION Do not attempt to adjust the DDI or meter readings by turning the transducer zero or span potentiometer (Refer to Page 4-1). CAUTION To prevent equipment damage, do not exceed the pressure rating of the transducer when calibration is performed (Refer to Page 6-4). CAUTION Do not place any cleaning tools inside the pressure port connection of the sensor.
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Page 8: General Information And Safety Precautions
1-2 INTRODUCTION. This technical manual provides information from general descriptions to calibration, maintenance and installation procedures for the Model 742R pressure transducers (Figure 1-1) and Model 742D differential pressure transducers (Figure 1-2). Information contained in the manual includes:... - Page 9 FIGURE 1-1 Pressure Transducer – Model 742R (742V or 742C)
- Page 10 FIGURE 1-2 Differential Pressure Transducer – Model 742D...
- Page 11 1-3.1 The pressure transducers are available with gauge, absolute, compound and vacuum ranges (see Fig. 1-3 for ranges ) with pressure ranges of 0-5 psi to 0-6000 psi including PSIA, PSIG, IN of Hg whichever is applicable. The differential pressure transducers are available in PSID pressure ranges of 0-150" WCD through 100 PSID with line pressure rating of 150 psi and 0-200 to 0-600 PSID with line pressure ratings of 600 psi.
- Page 12 -67 °F (-55 °C) to 257 °F (125 °C) Pressure Input Connector 7/16-20 thread for ¼” tube connector per MS16142 Electrical Interface Connector MS3452Wl4S-5P & MS3456Wl4S-5S connector pair Dimensions: Models 742R, 742C, 742V Height 2.28 inches Width 3.50 inches Depth 4.60 inches...
- Page 13 TABLE 1-2. EQUIPMENT AND DOCUMENTS SUPPLIED Quantity Nomenclature Number Transducer, Pressure Refer to Fig. 1-3 or 1-4 Technical Manual, Operation and Maintenance, Pressure Transducer...
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Page 16: Introduction
Chapter 2 OPERATING PROCEDURES 2-1 INTRODUCTION. This chapter contains a description of the operator controls and provides general procedures on the use of the transducer controls and indicators. 2-2 CONTROLS AND INDICATORS. Operating control and indicators are shown in Figure 2-1 for all models. - Page 17 Figure 2-1 Pressure and Differential Pressure Transducer Operating Controls...
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Page 18: Functional Description
CHAPTER 3 FUNCTIONAL DESCRIPTION 3-1 INTRODUCTION. This chapter contains a functional description of the pressure and differential pressure transducer. 3-2 FUNCTIONAL DESCRIPTION. The transducers consist of a piezoresistive strain gage transducer/electronic assembly characterized for temperature variations. The sensor is vented to atmosphere for gauge pressure less than 600 psi, and all compound ranges. - Page 19 Figure 3-1 Functional Block Diagram...
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Page 20: Scheduled Maintenance
CHAPTER 4 SCHEDULED MAINTENANCE 4-1 INTRODUCTION. This chapter contains preventive maintenance procedures to be accomplished on a scheduled basis. The scheduled maintenance instructions in this manual are canceled when the Planned Maintenance System (PMS) is implemented for this equipment aboard your ship or station. 4-2 MAINTENANCE PROCEDURES. -
Page 21: Troubleshooting
CHAPTER 5 TROUBLESHOOTING 5-1 TROUBLESHOOTING. This chapter contains information necessary to troubleshoot the transducer. 5-2 TROUBLESHOOTING PROCEDURES. Troubleshooting procedures are presented in the form of troubleshooting charts. The charts present troubles that may be encountered, probable cause of the malfunction, and suggested remedies to return the equipment to serviceable condition. -
Page 22: Corrective Maintenance
CHAPTER 6 CORRECTIVE MAINTENANCE 6-1 INTRODUCTION. This chapter provides corrective maintenance procedures for the transducer. These procedures include testing, cleaning, inspection, adjustment, and final checkout. Corrective maintenance should be performed as a result of improper performance during operation or malfunctions that may occur during testing and troubleshooting procedures. - Page 23 Figure 6-1 Calibration Test Set-up (4-20 mA dc Output Models)
- Page 24 Figure 6-2 Calibration Test Set-up (0-5 V dc Output Models)
- Page 25 b) Select an approved calibration system in accordance with the range and output option of the transducer being calibrated. WARNING Observe all precautions given in the calibration technical manual and in Navy precautions for forces afloat OPNAVINST 5100. Air or nitrogen under pressure is used in the operation of the pressure transducer calibration system.
- Page 26 g) Refer to the transducer's nameplate to determine the pressure range. h) For gauge, compound and vacuum transducers, attach the appropriate calibration system and pressure source to the pressure connection in accordance to the calibration system technical manual. Adjust the pressure source to 100% of the pressure transducer's range (Figure 6-1, 6-2).
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Page 27: Cleaning
6-4 CLEANING Clean the external metal components using approved cleaning solution on a cloth and wipe with a clean, lint free cloth. Remove stubborn accumulations with a nonmetallic, stiff bristle brush. CAUTION Do not immerse the transducer or MS connector assembly in cleaning solutions. Do not allow cleaning solutions to enter the transducer housing. -
Page 28: Installation
CHAPTER 7 INSTALLATION 7-1 INTRODUCTION. This chapter contains the information pertaining to the installation of the transducer. This information includes sitting, installation procedures, electrical and pneumatic interface requirements and post installation checkout procedures. 7-2 SITE. The transducer may be mounted in any orientation. The preferred direction is with the input pressure or high-side port facing downward. - Page 29 Figure 7-1 Gauge, Compound or Vacuum Pressure Transducer Outline Drawing...
- Page 30 Figure 7-2 Differential Pressure Transducer Outline Drawing...
- Page 32 PMT PRODUCTS 205 Keith Valley Road Horsham, PA 19044 Phone: 215-674-1234 Fax: 215-354-1801 www.ametekusg.com...
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