Mettler-Toledo梅特勒-托利多安装手册 pH变送器pH 2800X.pdf

pH Transmitter 2800 X Your Consultant: 02/97 52 120 694 Mettler-Toledo GmbH, Process, Postfach, 8902 Urdorf, Switzerland Phone +41 (01) 736 22 11, Fax +41 (01) 736 26 36 pH Transmitter 2800X Warranty Defects occurring within 3 years from delivery date shall be remedied free of charge at our works (carriage and insurance paid by sender). Accessories and display backlighting: 1 year TA–187.300–MTE01 020899 Software Version: 2.x Safety Information Be sure to read and observe the following requirements! Before connecting the apparatus to mains, make sure that the mains voltage corre- sponds to the voltage rating given on the nameplate. Opening the apparatus exposes live parts. Therefore, the apparatus shall not be opened. If repair should be required, return the apparatus to our factory. If opening the apparatus is inevitable, it shall first be disconnected from all voltage sources. Make sure that the mains plug has been pulled out. Repair or adjustment of an opened apparatus under voltage shall be carried out only by a skilled person who is aware of the hazard involved. Remember that the voltage across accessible parts of the open apparatus may be dangerous to life. Whenever it is likely that the protection has been impaired, the apparatus shall be made inoperative and secured against any unintended operation. The protection is likely to be impaired if, for example: the apparatus shows visible damage the apparatus fails to perform the intended measurements after prolonged storage at temperatures above 70 C after severe transport stresses Before recommissioning the apparatus, a professional routine test according to EN 6