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Summary of Contents for PCB Piezotronics IMI SENSORS HT640B01
- Page 1 Model HT640B01 High Temperature 4-20 mA Velocity Transmitter 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 HT 640/641/645/646 B Series High Temperature 4-20mA Sensor Model HT 640/641/645/646 B Series High Temperature 4-20mA 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: 31330 MANUAL REVISION: NR ECN NUMBER:...
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Page 7: Table Of Contents
Table of Contents Introduction........................Page 3 General Features Dimension Drawing ......................Page 4 Operation and Wiring ...................... Page 5 Standard Wiring Taking Measurements RV Option TO Option Installation ........................Page 9 Direct Adhesive Mount Standard Stud Mount Adhesive Stud Mount Magnetic Mount ESD Sensitivity....................... -
Page 8: Introduction
Introduction The Model HT 640/641/645/646 B Series High Temperature 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 velocity or acceleration of the machinery. Ideal for monitoring the vibration of process equipment such as fans, motors and pumps, the output of the sensor is used for process control or predictive maintenance. -
Page 9: Dimension Drawing
Dimension Drawing Inch (mm) PAGE 4... -
Page 10: Operation And Wiring
Operation and Wiring Standard Wiring The Model 640/641/645/646 B Series operates from a standard 2-wire, 4-20mA loop. If using a loop powered unit, attach the positive (+) input from the power supply to Pin A or Red wire on the sensor and the negative (-) input from the power supply to Pin B or Blue wire of the sensor. -
Page 11: Taking Measurements
Taking Measurements When measuring the current output from the unit, use the following formula to calculate the vibration level: Vibration Output = (Measured Output – 4mA) x (Full Scale Vibration Output /16mA) Measured mA 640BX0 640BX1 640BX2 4.00 0.0 ips, pk 0.0 ips, pk 0.0 ips, pk 8.00... -
Page 12: Rv Option
RV Option RV Option The RV (raw vibration) option includes a 100mV/g ±20% additional output. The accelerometer frequency range is 1 Hz-10 kHz, maximum amplitude of 15 g-pk. Data collectors or analyzers can use this vibration signal for further analysis. Figure 3 –... -
Page 13: To Option
TO Option The TO (Temperature Output) option includes an additional independent 4-20mA output for temperature measurement. The temperature range is from -40°C to 125°C with an overall accuracy of ±5%FSO. The imbedded temperature sensor monitors the environment internal to the sensor housing and is situated at approximately mid level. -
Page 14: Installation
Installation Installation When choosing a mounting method, consider closely the advantages and disadvantages of each technique. 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 Typical mounting types are stud, direct adhesive, adhesive mounting base and magnetic mounting base. -
Page 15: Standard Stud Mount
Standard Stud Mount Procedure 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 surfaces, as the potential for misalignment and limited contact surface may significantly reduce the sensor’s upper operating frequency range. -
Page 16: Adhesive Stud Mount
Adhesive Stud Mount Procedure 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. -
Page 17: Magnetic Mount
Magnetic Mount Procedure Magnetic Mount Procedure Magnetic mounting provides a convenient means for making portable measurements and is commonly used for machinery monitoring and other portable or trending applications. Note: The correct magnet choice and an adequately prepared mounting surface is critical for obtaining reliable measurements, especially at high frequencies. -
Page 18: 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, Inc. Caution 1 – ESD sensitivity Cables can kill your equipment. -
Page 19: Warranty, Service & Return Procedure
Warranty IMI instrumentation is warranted against defective material and workmanship for 1 year unless otherwise expressly specified. Damage to instruments caused by incorrect power or misapplication, is not covered by warranty. If there are any questions regarding power, intended application, or general usage, please consult with your local sales contact or distributor. -
Page 20: Customer Service
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. - Page 21 All specifications are at room temperature unless otherwise specified. In the interest of constant product improvement, we reserve the right to change specifications without notice. 3425 Walden Avenue, Depew, NY 14043 ® is a registered trademark of PCB Piezotronics, Inc.
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