Operating Instructions 4. Regulation Use Any use of the Differential Pressure Sensor, model: PMP, which exceeds the manufacturer’s specification, may invalidate its warranty. Therefore, any resulting damage is not the responsibility of the manufacturer. The user assumes all risk for such usage.
5. Operating Principle The differential pressure sensor PMP is used for controlling and measuring the differential pressure of air or non-corrosive gases. It is mainly used for the monitoring of filters and filter cartridges. The devices are equipped as follows: Differential Pressure Measurement The differential pressure is shown on a four-digit LED display.
All connecting operations are completed, if the planned external devices are connected to both limit contacts and to the analogue output. The device can now be put into operation. The adjustment of the output signals is described in the following sections. PMP K03/0218 page 5...
Change menu item -> main menu item Change submenu item -> menu item Change value setting -> menu item/submenu item Automatic return to displayed value after 1 min without keypress! 8.2 Value setting Menu item Save Menu item page 6 PMP K03/0218...
Submenu item [dEL1] + [dEL2]: delay time value setting 0…999,9 sec The relay output activates when the limit value is exceeded after this time. The shift-in is carried out immediately. factory setting: [000.0] page 8 PMP K03/0218...
Basic setting: [4] mA When leaving the main menu item Simulation [SINU] the menu item Alarm 1 [ALr1], Alarm 2 [ALr2] and Analogue Output [OUt] are resetted to the basic setting and the outputs behave according the display. PMP K03/0218 page 9...
10. Commissioning When used in machines according the guideline 89/392/EEC, the commissioning is forbidden until the machine fulfils the regulations of the guideline. Attention! The max. allowable pressure of 750 mbar is not allowed to be exceeded. page 10 PMP K03/0218...
11. Maintenance In case the medium to be measured is not polluted, the unit PMP is maintenance- free. 12. Technical Information Measuring range: 0 … 500 mm H O (50 mbar) LED-indication: 4 digits, 15 mm high 2 relay outputs: max.
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