Model CPH7650 Portable pressure calibrator
●Measurement and electrical pressure generation at the touch of a button with integrated pump, from -0.85 ... +20 bar [-12 ... 290 psi]
●Accuracy: 0.025 % FS (incl. calibration certificate)
●Generation/measurement of 4 ... 20 mA, and DC 24 V voltage supply to power transmitters
●Robust case design, IP67
■Description
●General information
▲The portable pressure calibrator model CPH7650 is a compact, portable pressure calibrator, which has been designed for mobile use as well as for stationary workshop and laboratory testing. An integrated electrical pump enables you to generate pressures up to 20 bar [300 psi] and an integrated electrical module also enables you to supply transmitters or sensors with a current of max. 30 mA (voltage (idling) = DC 24 V), in addition to the traditional measurement of current and voltage signals.
●Accuracy
▲The exchangeable model CPT6000 reference sensor offers an accuracy of 0.025 % of span. The temperature compensation of the built-in sensor safeguards the accuracy for applications in the field. Readings can be displayed in one of 13 standard units.
●Features
▲With the portable pressure calibrator, not only are accurate pressure measurements possible, but also exact current and voltage measurements, as well as a DC 24 V voltage supply for test items are enabled. Pressure values and electrical measured values are simultaneously shown in the display.
The calibrator is integrated into a robust, as well as dust and waterproof transport case. Thus the mobile pressure calibrator is particularly suited to use in harsh industrial environments.
▲The external universal power supply is designed for an operating voltage of AC 100 ... 240 V.
●Software
▲The WIKA-Cal calibration software is available for online calibrations in connection with a PC. Using this software, the data is automatically transferred into a printable calibration certificate. Furthermore, WIKA-Cal also offers, over and above PC-supported calibration, the management of the calibration and instrument data in an SQL database. A RS-232 interface is available for the data transfer.
●Certified accuracy
▲For the CPH7650, the accuracy is certified by a factory calibration certificate which accompanies the instrument. On request, we can provide a DKD/DAkkS calibration certificate for this instrument.
■Features
●Pressure supply
▲The CPH7650, through an integrated electrical pump, enables the provision of -0.85 ... +20 bar [-12 ... 290 psi].With this, the operator can supply the test item to be calibrated with pressure on-site and does not need any separate pressure supply.
●Current and voltage
▲In addition to pressure, the portable pressure calibrator also measures and simulates 4 ... 20 mA current loop signals, can measure up to DC 30 V and features an internal DC 24 V voltage supply to power the transmitter being calibrated. The DC 24 V voltage supply is switchable for transmitters with mA as well as V output signal.
●Display
▲It can display two calibration values simultaneously. This means that the external reference sensor and electrical test item values (mA or V) can be displayed simultaneously. The instrument has a large graphic LC display with backlighting.
●Pressure ranges
▲The CPH7650 can be fitted with different reference pressure sensors, so that the pressure calibrator is suitable for the calibration of test items with different pressure ranges up to 20 bar [290 psi].
▲Each pressure range can be accurately generated with the integrated electric pump at the touch of a button. The fine adjustment is made with the integrated volume adjuster.
●Functions
▲The CPH7650 has a complete range of useful functions. Switch tests can be carried out and recorded. The deviation of the test item is directly calculated and indicated on the display. A damping function is available. Up to five frequently used instrument settings can be stored and retrieved by pressing a button.
●Robustness
▲The CPH7650 consists of a calibrator, which is built into a rugged service case. With this design, the portable pressure calibrator is suited to extremely harsh operating conditions.
[ Calibration service companies and service industry ][ Measurement and control laboratories ][ Quality assurance ] |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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12/2019 |
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1.1 MB |
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