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Model 653A01
Loop Powered, Current Output, Industrial Displacement Sensor
Installation and Operating Manual
For assistance with the operation of this product,
contact PCB Piezotronics, Inc.
Toll-free: 800-959-4464
24-hour SensorLine: 716-684-0001
Fax: 716-684-3823
E-mail: imi@pcb.com
Web: www.imi-sensors.com
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Summary of Contents for PCB Piezotronics IMI SENSORS 653A01
- Page 1 Model 653A01 Loop Powered, Current Output, Industrial Displacement Sensor Installation and Operating Manual For assistance with the operation of this product, contact PCB Piezotronics, Inc. Toll-free: 800-959-4464 24-hour SensorLine: 716-684-0001 Fax: 716-684-3823 E-mail: imi@pcb.com Web: www.imi-sensors.com...
- Page 2 Assistance is needed to safely operate equipment PCB Piezotronics is an ISO-9001 certified company whose Damage is visible or suspected calibration services are accredited by A2LA to ISO/IEC Equipment fails or malfunctions 17025, with full traceability to SI through N.I.S.T.
- Page 3 CAUTION Refers to hazards that could damage the instrument. NOTE Indicates tips, recommendations and important information. The notes simplify processes and contain additional information on particular operating steps. The following symbols may be found on the equipment described in this manual: This symbol on the unit indicates that high voltage may be present.
- Page 4 PCB工业监视和测量设备 - 中国RoHS2公布表 PCB Industrial Monitoring and Measuring Equipment - China RoHS 2 Disclosure Table 有害物质 镉 汞 铅 (Pb) 六价铬 (Cr(VI)) 多溴联苯 (PBB) 多溴二苯醚 (PBDE) 部件名称 (Hg) (Cd) 住房 PCB板 电气连接器 压电晶体 环氧 铁氟龙 电子 厚膜基板 电线 电缆 塑料 焊接...
- Page 5 Component Name Hazardous Substances Lead (Pb) Mercury (Hg) Cadmium (Cd) Chromium VI Polybrominated Polybrominated Compounds Biphenyls (PBB) Diphenyl Ethers (Cr(VI)) (PBDE) Housing PCB Board Electrical Connectors Piezoelectric Crystals Epoxy Teflon Electronics Thick Film Substrate Wires Cables Plastic Solder Copper Alloy/Brass This table is prepared in accordance with the provisions of SJ/T 11364.
- Page 6 Model 653A Series Industrial 4-20mA Displacement Sensor Operating Guide with Enclosed Warranty Information 3425 Walden Avenue, Depew, New York 14043-2495 Phone (716) 684-0003 Fax (716) 684-3823 Toll Free Line 1-800-959-4IMI MANUAL NUMBER: 43145 MANUAL REVISION: A ECN NUMBER: 49766...
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Page 7: Table Of Contents
Table of Contents Introduction ........................Page 3 General Features Operation and Wiring ....................Page 3-4 Standard Wiring Taking Measurements Installation ........................Page 5-8 Direct Adhesive Mount Standard Stud Mount Adhesive Stud Mount Magnetic Mount ESD Sensitivity ........................ Page 9 Warranty/Servicing Warranty, Service &... -
Page 8: Introduction
Introduction The Model 653A Series Industrial 4-20mA Sensors combine the capabilities of a piezoelectric vibration sensor and a 4-20mA vibration transmitter. The sensor outputs a 4-20mA signal that is proportional to the overall displacement of the machinery. Ideal for monitoring the vibration of process equipment such as low rotation speed fans, motors and pumps, the output of the sensor is used for process control or predictive maintenance. -
Page 9: Taking Measurements
The resistor in a loop will generate a DC voltage that is proportional to current by: V = IR If R = 250 ohms and I = 6mA, then V = 1.5 Vdc Note: Resistor value must be less than: (Vsupply – 12) x 50. For integral cable sensors: RED wire is positive, BLUE wire is negative. -
Page 10: Installation
Installation When choosing a mounting method, consider closely the advantages and disadvantages of each technique. Typical mounting types are stud, direct adhesive, adhesive mounting base and magnetic mounting base. Since the frequency response is limited to 300 Hz on the 653A, any of the four methods can be used without seriously affecting the data values. -
Page 11: Standard Stud Mount
Standard Stud Mount Procedure This mounting technique requires smooth, flat contact surfaces for proper operation and is recommended for permanent and/or secure installations. Stud mounting is also recommended when testing at high frequencies. Note: DO NOT attempt mounting on curved, rough or uneven sufaces, as the potential for misalignmen and limited contact surface may significantly reduce the senor’s upeer operating frequnecy range. -
Page 12: Adhesive Stud Mount
Adhesive Stud Mount Procedure Adhesive mounting is often used for temporary installation or when the machine surface cannot be adequately prepared for stud mounting. Adhesives like hot glue or wax work well for temporary mounts; two-part epoxies and quick –bonding gels provide a more permanent mount. Note: Adhesively mounted sensors often exhibit a reduction in high-frequency range. -
Page 13: Magnetic Mount
Magnetic Mount Procedure Magnetic mounting provides a convenient means for making portable measurements and is commonly used for machinery monitoring and other portable or tending applications. Note: The correct magnet choice and an adequately prepared mounting surface is critical for obtaining reliable measurements, especially at high frequencies. -
Page 14: Esd Sensitivity
Warning 2 – ESD sensitivity This equipment is designed with user safety in mind; however, the protection provided by the equipment may be impaired if the equipment is used in a manner not specified by PCB Piezotronics. Caution 1 – ESD sensitivity Cables can kill your equipment. - Page 15 Customer Service IMI, a division of PCB Piezotronics, guarantees Total Customer Satisfaction. If, at any time, for any reason, you are not completely satisfied with any IMI product, IMI will repair, replace or exchange it at no charge. You may also choose to have your purchase price refunded.
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