User manual FLUKE PPCH-G

[. . . ] Operation and Maintenance Manual PPCH-GTM High Gas Pressure Controller/Calibrator © 2007 DH Instruments, a Fluke Company High pressure liquids and gases are potentially hazardous. Energy stored in these liquids and gases can be released unexpectedly and with extreme force. High pressure systems should be assembled and operated only by personnel who have been instructed in proper safety practices. This instrument is not to be operated in any other manner than that specified by the manufacturer. © 2007 DH Instruments, a Fluke Company All rights reserved. Information in this document is subject to change without notice. [. . . ] OPERATION To access the TIME function press [SPECIAL], <5pref>, <3time>. The display is: Edit: 1time 2date 08:32:11 am 20020925 Select <1time> to edit the time. Edit hours, then minutes, then am/pm by pressing [ENT] after each entry. Seconds go to zero when minutes are entered. This can be used to synchronize the time with a time standard. The date must be specified in YYYYMMDD format. The PPCH-G date and time are set to United States Mountain Standard Time in the final test and inspection process at the factory. If desired, use the TIME and DATE functions to set your local time and date. 3. 5. 5. 4 <4ID> PURPOSE To view or edit the PPCH-G user ID and to view the PPCH-G serial number. OPERATION To access the ID function press [SPECIAL] and select <5pref>, <2ID>. Select <1view> to view the current ID. When the edit screen is opened, the cursor is on the first character. Numerical values can be entered directly from the keypad. Page 79 © 2007 DH Instruments, a Fluke Company PPCH-GTM OPERATION AND MAINTENANCE MANUAL In addition, the cursor control keys can be used to toggle through a list of available alpha numeric characters. Holding the key slews through the characters. Character order going up is: blank space, symbols, lower case letters, upper case letters, numbers. After selecting a character, press [ENT] to activate it and move to the next character field. When a character is selected the cursor moves to the next character. To leave a blank character, press [ENT] with the field for that character blank. Use this for the trailing characters if the ID being entered is less than twelve characters. After the last of the twelve characters has been entered, the <Save ID?> option is offered. Select <1no> to return to the ID edit screen. Select <2yes> to save the edited ID. The ID can be set remotely from a computer which is quite a bit more convenient than entering characters from the keyboard (see Section 4. 4, ID command). [. . . ] PPCH-G Q-RPTs are designated by a leading A (absolute) followed by three numbers and a letter indicating the maximum range of the Q-RPT in MPa (nnnM). 2. Ramp Control Mode Rate Ready/Not Ready Automated pressure control mode in which pressure is set and maintained at a target rate of change The rate of change of the current measured pressure. Indicated in the MAIN RUN screen when control is suspended and in certain phases of automated pressure control. Indication used to indicate when control PPCH-G pressure meets specific behavior criteria. Ready/Not Ready is indicated by an LED on the PPCH-G front panel and is used to determine when test readings should be taken. [. . . ]