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Model 137B21B

ICP® Pressure Sensor

Installation and Operating Manual

For assistance with the operation of this product,

contact PCB Piezotronics, Inc.

Toll-free: 800-828-8840

24-hour SensorLine: 716-684-0001

Fax: 716-684-0987

E-mail: [email protected]

Web: www.pcb.com

Summary of Contents for ICP 137B21B

Page 1: ... Sensor Installation and Operating Manual For assistance with the operation of this product contact PCB Piezotronics Inc Toll free 800 828 8840 24 hour SensorLine 716 684 0001 Fax 716 684 0987 E mail info pcb com Web www pcb com ...

Page 2: ...oid the factory warranty Calibration Routine calibration of sensors and associated instrumentation is recommended as this helps build confidence in measurement accuracy and acquired data Equipment calibration cycles are typically established by the users own quality regimen When in doubt about a calibration cycle a good rule of thumb is to recalibrate on an annual basis It is also good practice to...

Page 3: ... warranty against defective material and workmanship for a period of one year from date of original purchase Contact PCB for a complete statement of our warranty Expendable items such as batteries and mounting hardware are not covered by warranty Mechanical damage to equipment due to improper use is not covered by warranty Electronic circuitry failure caused by the introduction of unregulated or i...

Page 4: ... any case care must be taken such that the sensor s diaphragm is not oriented down to avoid ground reflections In some cases where flash temperatures such as those generated by blasts and shock fronts are present it may be necessary to thermally insulate the diaphragm to minimize signals generated by these effects Photo 2 Common black vinyl electrical tape has been found to be an effective thermal...

Page 5: ... hundreds or thousands of feet use a higher current up to 20 mA maximum Use of low capacitance cable i e RG 62 U and impedance matching variable resistors are suggested to improve long cable performance characteristics See Guide G 0001 for a discussion on cable considerations 3 1 POLARITY The 137B2XX Series produces a positive going output voltage for increasing pressure output 4 0 LOW FREQUENCY R...

Page 6: ...t Quartz Quartz Housing Material Aluminum Aluminum Diaphragm Invar Invar Sealing Epoxy Epoxy Electrical Connector BNC Jack BNC Jack Weight 12 4 oz 352 gm 1 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 ICP is a registered trademark of PCB Group Inc OPTIONAL VERSIONS ...

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