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NEW! Industrial Silicon Glass Fused Sensor Series Pressure Transmitters

Features of the P600 Series

Robust single piece sensor
  • No welds to cause fatigue fractures – diaphragm rated at over 100,000,000 full scale deflections
  • No o-rings, gaskets or seals to leak
  • No fill fluids (P611) that can leak into the process
  • 316L SS for broad compatibility with process media
Silicon strain gauges
  • Silicon used is bulk silicon without p-n junctions that are present in most every other silicon strain gauge sensor (p-n junctions migrate within the silicon and cause changes in the strain gauge's resistance which causes calibration drift errors over time and with temperature variations)
Glass fusing
  • Glass is inorganic and produces a stable and unchangeable bond between the strain gauges and the metal sensor diaphragm
  • There are no organic adhesives, glues or epoxies which promote time and temperature induced movements of the strain gauges with respect to the diaphragm that produce calibration errors
ASIC* based DC electronics
  • Custom ASIC reduces discrete parts count resulting in significantly improved reliability
  • ASIC also optimizes the performance of the electronics for higher accuracies and reduced thermal effects
* Application Specific Integrated Circuit

User's Instructions

Installation:
Tel-Tru pressure transmitters may be mounted in any plane with negligible effect on performance. Although these transmitters are designed to withstand substantial shock and vibration, it is recommended they be mounted in an area of minimal vibration. Always use a wrench on the hex flats when installing. Never use a pipe wrench on the housing or in the area of the electrical connection.

Maintenance:
Tel-Tru pressure transmitters require no maintenance. Re-calibration is dependent upon the user's Quality Assurance Program.

Calibration and re-ranging:
Tel-Tru pressure transmitters may be re-ranged dependent upon the Upper Range Limit (URL) of the sensor in the specific transmitter. Click here to find the URL from which the original calibrated range was based. The amount of zero and span adjustability is given in the table. Once that is known, the new range can be set using the following procedure.

Using a pressure source and meter with adequate accuracy, perform the following steps:
  • Remove plugs from zero and span access holes in the housing
  • With no pressure applied, adjust the zero potentiometer for the correct zero output
  • Apply the correct full scale pressure to the unit
  • Adjust the span potentiometer for the correct span output
  • Re-check zero and span, adjusting as required to achieve the desired calibration
  • Re-install the plugs

P600 Series Load Resistance

P611 Wiring Diagram

P621 Wiring Diagram




Additional Resources

P600 Series Rangeability Table

Wiring Colors and Pinouts

User's Instructions and Calibration Record

Three Year Warranty

 

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