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Industrial automation, bearings, instrumentation and fluid-control products — selection and RFQ support for customers worldwide
CrestVane Industrial
Solutions

Process Instrumentation

Application and selection overview

Instrumentation for pressure, temperature, flow, level and process monitoring applications. We help match transmitters, sensors and process instruments with the required range, connection and signal type.

Key parameters to confirm

ItemInformation to provide
Measurement taskPressure, temperature, flow, level or analysis, including normal, minimum and maximum values.
Process conditionsMedium, density, viscosity, corrosiveness, solids, pressure and temperature.
InstallationThread, flange, sanitary fitting, insertion length, straight run and orientation.
Signal and system4–20 mA, HART, fieldbus, pulse, switch output, supply and DCS/PLC interface.
Performance and complianceAccuracy, repeatability, response, enclosure, hazardous area, SIL and calibration documents.

RFQ checklist

  • Send the instrument datasheet, P&ID tag, full model and nameplate.
  • State normal, design and limit conditions rather than one set point.
  • Confirm all wetted materials, seals and process-connection standards.
  • List display, remote transmission, protocol, certificates and accessories.

Common mistakes and risks

  • Selecting by range only and ignoring medium, temperature, installation and response.
  • Incompatible flange, thread, signal or hazardous-area scheme preventing use.
  • Treating laboratory accuracy as total installed measurement uncertainty.

Frequently asked questions

Can the old model be quoted directly?

It can be identified first, but process and connection data are still recommended because the configuration may be obsolete or unsuitable for current conditions.

Is a calibration certificate required?

It depends on the quality system and industry. State traceable calibration, material or pressure-test documents in the RFQ.

What is needed for a hazardous area?

Zone, gas or dust group, temperature class, protection concept and local approval scheme must be confirmed.

Next step

Provide the tag, full model, medium, range, pressure and temperature, connection, output, accuracy, approvals, quantity and destination.

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