WIKA CPH7650, Operating Instructions Manual, Page: 3 / 144

3 WIKA operating instructions, model CPH7650
EN
14261987.02 01/2019 EN/DE
Contents
1. General information 5
2. Short overview 6
2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Description . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 Scope of delivery . . . . . . . . . . . . . . . . . . . . . 7
3. Safety 8
3.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . 8
3.2 Intended use. . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Improper use . . . . . . . . . . . . . . . . . . . . . . 9
3.4 Personnel qualification . . . . . . . . . . . . . . . . . . . 12
3.5 Labelling, safety marks . . . . . . . . . . . . . . . . . . . 13
4. Design and function 14
4.1 Front . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.2 Voltage supply . . . . . . . . . . . . . . . . . . . . . . 15
4.2.1 Using the power supply unit . . . . . . . . . . . . . . . . 15
4.2.2 Use of lithium-ion rechargeable batteries . . . . . . . . . . . 17
4.2.3 Charging the lithium-ion rechargeable battery. . . . . . . . . . 17
4.3 Electrical connections to the CPH7650 . . . . . . . . . . . . . . 18
4.3.1 Electrical connection of potential-free pressure switches . . . . . . 20
4.3.2 Electrical connections for a 2-wire test item . . . . . . . . . . 21
4.3.3 Electrical connections for a 3-wire test item . . . . . . . . . . 22
4.4 Reference pressure sensor CPT6000 . . . . . . . . . . . . . . 23
4.4.1 Connection of the model CPT6000 reference pressure sensor to the
CPH7650 . . . . . . . . . . . . . . . . . . . . . . 24
4.4.1.1 Electrical connection . . . . . . . . . . . . . . . . . 24
4.4.1.1 Mechanical connection . . . . . . . . . . . . . . . . 24
4.5 Connection of the test item . . . . . . . . . . . . . . . . . . 25
4.6 User interface . . . . . . . . . . . . . . . . . . . . . . 26
5. Transport, packaging and storage 28
5.1 Transport . . . . . . . . . . . . . . . . . . . . . . . . 28
5.2 Packaging and storage . . . . . . . . . . . . . . . . . . . 28
6. Commissioning, operation 29
6.1 Location . . . . . . . . . . . . . . . . . . . . . . . . 29
6.2 Requirements for test assemblies with the CPH7650 . . . . . . . . . 29
6.2.1 Compensation for height differences . . . . . . . . . . . . . 30
6.2.2 Important instrument settings for calibration using calibration mode . . 30
6.3 Switching on the pressure calibrator . . . . . . . . . . . . . . . 31
6.4 Menu structure (operating modes) . . . . . . . . . . . . . . . 32
6.5 Explanation of the display . . . . . . . . . . . . . . . . . . 33
6.5.1 Instrument status messages shortly after switching on the CPH7650 . . 33
6.5.2 Switching the pressure calibrator off . . . . . . . . . . . . . 34
Contents