Specifications

molbox™ RFM™ OPERATION AND MAINTENANCE MANUAL
© 1998-2007 DH Instruments, a Fluke Company Page II
3. OPERATION..................................................................... 21
3.1 GENERAL OPERATING PRINCIPLES ......................................................................................................................................21
3.1.1 MOLBLOC-L AND MOLBLOC-S OPERATION................................................................................................................................ 21
3.1.2 MOLBLOC-S BPR LIMITS................................................................................................................................................................. 21
3.1.3 FLOW READY/NOT READY INDICATION....................................................................................................................................... 22
3.1.3.1 MOLBLOC-L OPERATION............................................................................................................................................................ 22
3.1.3.2 MOLBLOC-S OPERATION............................................................................................................................................................ 22
3.1.4 SOFT [ON/OFF] KEY......................................................................................................................................................................... 23
3.1.5 MICRORANGE OPTION (OPTIONAL).............................................................................................................................................. 23
3.1.6 REFERENCE PRESSURE TRANSDUCER (RPT) OVERPRESSURE............................................................................................ 24
3.1.6.1 UPSTREAM AND DOWNSTREAM ABSOLUTE RPTS................................................................................................................ 24
3.1.6.2 DIFFERENTIAL RPT, MICRORANGE OPTION........................................................................................................................... 24
3.2 MAIN RUN SCREEN...................................................................................................................................................................25
3.2.1 MOLBLOC-L OPERATION................................................................................................................................................................ 25
3.2.2 MOLBLOC-S OPERATION................................................................................................................................................................ 26
3.3 MANUAL OPERATION...............................................................................................................................................................27
3.3.1 KEYPAD LAYOUT AND PROTOCOL............................................................................................................................................... 27
3.3.2 SOUNDS............................................................................................................................................................................................. 28
3.3.3 SOFT [ON/OFF] KEY......................................................................................................................................................................... 28
3.3.4 DIRECT FUNCTION KEYS SUMMARY ............................................................................................................................................28
3.4 DIRECT FUNCTION KEYS.........................................................................................................................................................29
3.4.1 [K] ....................................................................................................................................................................................................... 29
3.4.2 [GAS].................................................................................................................................................................................................. 31
3.4.2.1 MOLBLOC-L OPERATION............................................................................................................................................................ 32
3.4.2.2 MOLBLOC-S OPERATION............................................................................................................................................................ 33
3.4.3 [UNIT].................................................................................................................................................................................................. 34
3.4.3.1 MASS FLOW VS. VOLUME FLOW............................................................................................................................................... 35
3.4.3.2 VOLUMETRICALLY BASED MASS FLOW UNITS....................................................................................................................... 36
3.4.3.3 VOLUMETRICALLY BASED MASS FLOW UNITS AT VARIOUS REFERENCE TEMPERATURES (UXXX) ........................... 37
3.4.3.4 VOLUME FLOW UNITS (VLM)...................................................................................................................................................... 37
3.4.3.5 CUSTOMIZING FLOW UNITS AVAILABLE UNDER THE UNIT FUNCTION.............................................................................. 38
3.4.4 [TARE]................................................................................................................................................................................................ 39
3.4.4.1 <1TARE> ....................................................................................................................................................................................... 40
3.4.4.1.1 MOLBLOC-L OPERATION....................................................................................................................................................... 40
3.4.4.1.2 MOLBLOC-S OPERATION....................................................................................................................................................... 43
3.4.4.2 <2PURGE>.................................................................................................................................................................................... 44
3.4.4.3 <3LEAK CHECK>.......................................................................................................................................................................... 46
3.4.4.3.1 LEAK CHECK MOLBOX........................................................................................................................................................... 47
3.4.4.3.2 LEAK CHECK SYSTEM ...........................................................................................................................................................49
3.4.4.4 <4AUTOZ>..................................................................................................................................................................................... 53
3.4.4.4.1 EDIT AUTOZ............................................................................................................................................................................. 55
3.4.4.4.2 RUN AUTOZ............................................................................................................................................................................. 56
3.4.4.5 <5BPR> (MOLBLOC-S OPERATION ONLY) ............................................................................................................................... 58
3.4.5 [P&T] (PRESSURE AND TEMPERATURE)...................................................................................................................................... 59
3.4.6 [DISPLAY].......................................................................................................................................................................................... 61
3.4.6.1 <1RATE> ....................................................................................................................................................................................... 62
3.4.6.2 <2AVG> (AVERAGE) .................................................................................................................................................................... 63
3.4.6.3 <3 HI/LO>....................................................................................................................................................................................... 64
3.4.6.4 <4TOTAL> (TOTALIZER).............................................................................................................................................................. 64
3.4.6.5 <5UNIT>......................................................................................................................................................................................... 66
3.4.6.6 <6DEV>.......................................................................................................................................................................................... 66
3.4.6.7 <7FREEZE>................................................................................................................................................................................... 67
3.4.6.8 <8CLEAN>..................................................................................................................................................................................... 68
3.4.7 [MICRO] (OPTIONAL)........................................................................................................................................................................ 68
3.4.8 [MOLBLOC]........................................................................................................................................................................................ 70
3.4.8.1 MOLBLOC-L AND MOLBLOC-S SIZE AND RANGE DESIGNATIONS....................................................................................... 70
3.4.9 [RES]................................................................................................................................................................................................... 71
3.5 [SETUP].......................................................................................................................................................................................72
3.5.1 <1FLOWU>......................................................................................................................................................................................... 72
3.5.2 <2PRESU>.......................................................................................................................................................................................... 73
3.5.3 <3TEMPU> ......................................................................................................................................................................................... 73
3.5.4 <4MOLBLOC>.................................................................................................................................................................................... 74
3.5.5 <5STAB>............................................................................................................................................................................................ 74
3.5.6 <6ADJ>............................................................................................................................................................................................... 75