Natural gas: On-site calibration optimised at the metering skid

On-site calibration of measuring instruments is frequently very time-consuming and expensive. Aggravate is also true for applications with several measurands. One of these of this is the metering skid, something for the custody transfer measurement of the amount of natural gas transferred. A global player in the market from Saudi Arabia has now significantly streamlined the testing process at this stage: with the multi-functional CPH8000-P1 calibrator from WIKA, a ?calibration laboratory in an incident?.
The center of a metering skid may be the flow computer. It processes the info from all the measuring instruments and calculates the precise amount of gas that flows to the customer. Gas is compressible, therefore the tabs on pressure and temperature during gas transfer plays a crucial role.
Verification is the law
Because even small measuring errors could cause noticeable losses in turnover, the measuring instruments must be calibrated regularly. This is usually done at the facility. Each on-site calibration must also be verified relative to regulations. This implies proving consistent repeatability of the test results and traceability to the assigned references. Furthermore, Reward require the test equipment to be approved for used in hazardous areas.
In view of the requirements, the calibration personnel of WIKA customers previously had to use many different devices so that you can adequately fulfil their tasks. In addition to pressure and temperature calibrators, this included a pneumatic pump for the test pressure, a HART� communicator and a resistance decoder. The on-site calibration cost time and effort accordingly.
The CPH8000-P1 multi-functional calibrator significantly reduces your time and effort necessary for on-site calibration.
Four measuring channels
The gas company in Saudi Arabia has reduced this effort in one fell swoop with the CPH8000-P1 portable multi-function calibrator from WIKA. The case-mounted instrument calibrates pressure measuring instruments and resistance thermometers and thermocouples. The test pressure is generated with an integrated pump. The CPH8000-P1 has four measuring channels. It could thus perform and display around four measurements simultaneously. The ATEX-approved version also supplies the test items and reference sensors in the metering skid with voltage (DC 24 V) without danger.
Documentation without problems
Through the test procedure, the CPH8000-P1 ? via its integrated HART� module ? communicates directly with the measuring instruments, which may also be HART�-capable. Its powerful data logger and the large memory capacity support the user in the next documentation of the on-site calibration. The machine provides all the information relevant for verification.
Note
Detailed information on the model CPH8000 multi-function calibrators can be acquired on the WIKA website. Each instrument has a modular design and may therefore be specified for the respective selection of applications. Should you have any further questions, your contact will gladly help you.

Leave a Comment