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PG9602™ OPERATION AND MAINTENANCE MANUAL 

© 2011 Fluke Calibration 

Page 

56

 

•

 

differential (dif)

:  Defines differential pressures at an absolute static pressure between 

vacuum and two atmospheres by defining an absolute pressure relative to an evacuated 
bell jar and subtracting static pressure monitored by a digital pressure indicator.  An 
offsetting technique ensures that only the digital indicator’s resolution and very short term 
repeatability influence the measurement results. Allows positive and negative differential 
pressure (including gauge pressures) with one common hardware setup.  Covers 
pressures very near and at zero without limitations due to piston-cylinder size and mass 
loads (see Section 3.10.4.1). 

  OPERATION 

To change the pressure measurement mode, press 

[MODE] 

from any run screen.  The resulting 

display depends on the PG9000 Model: 

The cursor is on the number corresponding to the current measurement mode. 

 

Measurement mode: 

1g 2avac 3aatm 4dif 

 

Selecting 

<2avac>

 enables 

absolute by vacuum 

mode.  Selecting 

<3aatm>

 enables 

absolute 

by ATM 

mode.  Selecting 

<4dif>

 enables 

differential 

mode. 

Making a measurement mode selection returns to the previous run screen with the selected 
mode active. 

Note 

When using an  AMH, be sure to apply drive vacuum to the AMH when 
switching operation to absolute by vacuum mode (see 3.7.2.5). 

3.10.4.1  Differential Measurement Mode 

  PURPOSE 

To define gauge pressures near and under atmospheric pressure that cannot be 
covered in conventional gauge mode; to define pressures at a static pressure 
near atmospheric pressure but other than atmospheric pressure. 

Note 

Differential mode operation requires  additional hardware and 
that the PG9000 SETUP selection for AtmP be configured for an 
external  barometer connected to COM2 (see Section 3.11, 
3.12.5.4).  Differential mode operation also requires the PG9000 
Differential Mode Interconnections kit P/N 3070127,  which 
includes the Differential Mode housing. 

  PRINCIPLE 

Differential mode is designed to allow PG9000 to define pressures which piston 
gauges have typically not covered or for which they have been difficult to use.  
This includes positive and negative gauge pressures near  zero, for example 
± 2.5 kPa (10 in. H2O); as well as low differential pressures at low absolute static 
pressures, for example 0 to 2.5 kPa (20 Torr) at 15 kPa absolute (2.2 psia) static 
pressure. 

The principal of differential mode is to define a differential pressure as the 
difference between an absolute pressure relative to vacuum and a second 
absolute pressure (the static pressure) measured by a precision Reference 
Pressure Monitor (RPM).  An offsetting procedure “tares” the RPM so that the 
uncertainty contributed to the differential pressure by the RPM’s measurement is 
a function of the RPM resolution and short term repeatability rather than its 
absolute accuracy and long term stability. 

For differential mode operation, the static pressure is set to the desired value as 
measured by the RPM (atmospheric pressure for gauge pressure 
measurements).  The RPM offset at the static pressure is determined by applying 
the static pressure as defined by the PG9000 following: 

Содержание PG9000 Series

Страница 1: ...2011 Fluke Calibration PG9000 Piston Gauges PG9602 Operation and Maintenance Manual Via Acquanera 29 22100 Como tel 031 526 566 r a fax 031 507 984 info calpower it www calpower it...

Страница 2: ...ay be reproduced or transmitted in any form or by any means electronic or mechanical for any purpose without the express written permission of Fluke Calibration 4765 East Beautiful Lane Phoenix Arizon...

Страница 3: ...Contents 11 2 1 2 1 Platform 11 2 1 2 2 Piston cylinder Modules 12 2 1 2 3 Vacuum Reference Hardware optional 13 2 1 2 4 AMH 100 Automated Mass Handler optional 14 2 1 2 5 Mass Sets 14 2 2 Site Requi...

Страница 4: ...f AMH Functions 45 3 7 2 5 Making and Breaking Reference Vacuum with AMH 46 3 7 2 6 Accessing the Piston Cylinder Module with AMH 46 3 7 2 7 AMH Indicator LED 46 3 7 2 8 AMH Error Messages 47 3 8 Main...

Страница 5: ...2 4 5 4prefs 5level 104 3 12 5 5remote 106 3 12 5 1 COM1 COM2 COM3 and COM4 RS232 107 3 12 5 2 IEEE 488 107 3 12 5 3 RS232 Self Test 107 3 12 5 4 External Barometer RPM Communications COM2 108 3 12 5...

Страница 6: ...10 kPa kg only 168 5 3 2 Disassembly and Reassembly 50 100 and 200 kPa kg 169 5 3 3 Cleaning Piston Cylinders 172 5 3 3 1 Water Detergent Cleaning method 173 5 3 3 2 Quick Method 173 5 3 4 Lubricatin...

Страница 7: ...e Static Pressure 59 Table 14 Valve Settings to Apply PG9000 Pressure to the RPM for Differential Mode Offsetting 60 Table 15 Valve Settings for Operating in Differential Mode 62 Table 16 SETUP File C...

Страница 8: ...ple 33 Figure 13 PG9000 Keypad Layout 34 Figure 14 Piston Stroke and Zones 38 Figure 15 AMH cut away view 42 Figure 16 AMH Installation on PG9000 Platform 43 Figure 17 AMH Indicator location 47 Figure...

Страница 9: ...expressions have specific meaning as they pertain to PG9000s The Glossary see Section 7 is useful as a quick reference for the definition of specific words and expressions as they are used in this man...

Страница 10: ...PG9602 OPERATION AND MAINTENANCE MANUAL 2011 Fluke Calibration Page X Notes...

Страница 11: ...000 platforms PG9602 and PG9607 They are both designed for laboratories to realize and dissembinate fundamental pressure measurements The PG9602 uses type 7100 7600 gas operated gas lubricated piston...

Страница 12: ...puter COM2 Residual vacuum sensor external COM3 Automated pressure generator controller COM4 Unused spare or pass through Host computer Fuses PEM Fuse 1A 250V 5x20mm Slow blow Internal power supply Fu...

Страница 13: ...ll environmental and operational variables Full gas and liquid fluid head corrections including DUT head correction and piston position head correction Barometer head correction included for atmospher...

Страница 14: ...tion RPM4 Relative Humidity1 Range Resolution Measurement Uncertainty 5 to 95 RH 1 RH 10 RH Piston Position Range Resolution Measurement Uncertainty 4 5 mm 0 1 mm 0 2 mm Piston Rotation Rate and decel...

Страница 15: ...ally certified 35 kg or 55 kg if it was delivered with a PG7102 PC 7100 7600 10 TC PC 7100 7600 10 L Operation Piston Material Cylinder Material Nominal Diameter Nominal Area Mounting System Gas opera...

Страница 16: ...der effective area and typical measurement uncertainty in pressure defined by the piston gauge see the piston cylinder calibration report and current revision of Fluke Calibration Technical Note 0180T...

Страница 17: ...face The terminal front panel assembly is the same for all PG9000 models Display Keypad Figure 1 PG Terminal Front Panel The rear panel assembly provides the communications connection to the PG9000 Re...

Страница 18: ...ter Mounting Post PRT Connector to PG Remote Electronics Module TH Probe Connector COM 4 RS232 Pass Through COM 1 RS232 Remote Host Communications IEEE 488 Remote Host Communications AMH Connection Co...

Страница 19: ...ped in a corrugated container with other PG9000 accessories including operating instructions and calibration reports Open the PG9000 Base shipping crate 71 cm x 71 cm x 56 cm Carefully lift the PG9000...

Страница 20: ...all parts from the shipping boxes See Section 2 1 2 4 for more detail 2 1 1 5 AMH Mass Set optional PG9000 AMH masses are shipped in reusable molded shipping and storage cases One of the cases contain...

Страница 21: ...or any missing components or accessories referring to Tables 1 8 Should any items be missing contact Fluke Calibration or your local Fluke Calibration representative A parts list of items supplied is...

Страница 22: ...42 3122928 3122229 3124345 3124345 O rings 3134867 3136458 3134867 3136458 3134867 3136458 3134880 3136458 3134880 3136458 Insertion Tool 3071793 3071841 N A N A N A Calibration Report 3152121 3152121...

Страница 23: ...085 Bell Jar 3478417 Bell Jar Gasket 3788743 Vacuum Vent Valve and Fittings 3841060 2 KF40 Clamp 3140221 KF40 Blank Off Cap 3140671 KF40 Centering Ring with SS Screen 3142830 KF40 Centering Ring with...

Страница 24: ...41776 2 1 2 5 Mass Sets PG9000 mass sets are composed of different combinations of individual masses and accessories depending on the specific mass set ordered see Tables 2 5 If an AHM 100 is not used...

Страница 25: ...ARY MASS CARRIER 3 PARTS MS AMH 40 3071528 40 3 1 1 1 1 1 1 1 1 MS AMH 60 3071519 60 5 1 1 1 1 1 1 1 1 MS AMH 80 3071504 80 7 1 1 1 1 1 1 1 1 MS AMH 100 3071440 100 9 1 1 1 1 1 1 1 1 All mass sets inc...

Страница 26: ...G Terminal and to the pressure generation control component s if needed If using a PPC or MPC to generate control pressure see its Operation and Maintenance Manual for information on the pressures sou...

Страница 27: ...without having a vacuum supply connected to the AMH Vent Always check that the AMH is supplied with vacuum BEFORE establishing reference vacuum in the AMH bell jar Failure to do so may result in dama...

Страница 28: ...ed with the PG Platform Connect electrical power 100 to 240 VAC 50 60 Hz to the PG9000 Terminal using the power cable supplied Any grounded power cable with a standard IEC320 313 connection may be use...

Страница 29: ...mass set accessories at the desired location then install the individual masses on the mass loading tray For convenience the main masses are stacked in reverse order to facilitate the proper mass load...

Страница 30: ...but is thinner It is a nominal 9 kg mass A 55 kg or smaller mass set uses a 4 kg make up mass The 9 kg Make Up mass is placed on top of the main mass stack It is always the top of the stack The idea o...

Страница 31: ...rt Caution The stability over time of PG9000 pressure measurements is a function of the stability of the masses loaded on the piston Precautions should be taken in handling the masses to minimize infl...

Страница 32: ...the bell The smaller masses load onto the pyramidal steps of the binary mass carrier The mass loading process is mostly complete The mass set is in the all loaded position but do not yet install the...

Страница 33: ...he drive vacuum supply see Table 4 Locate the drive vacuum connection accessories including Quick connector stem with blue band and three way sleeve valve assembly 2 meter 1 4 inch O D PFA tubing 2 me...

Страница 34: ...the AMH over the masses before performing an AMH startup risks damaging internal AMH components 2 3 1 6 Setting Up Vacuum Reference Hardware optional PG9000 may be operated in atmosphere reference or...

Страница 35: ...vacuum sensor or any other capacitance diaphragm gauge it is important to install in a vertical orientation Due to gravitational influences on the diaphragm installation in any other orientation may r...

Страница 36: ...n the piston cylinder module and the top of the PG9602 mounting post Slight resistance will be encountered in the second half of travel as the piston cylinder module O rings seat in the mounting post...

Страница 37: ...l acceleration due to gravity at the site of PG9000 use must be entered This is accomplished by pressing SPECIAL 6gl see Section 3 12 6 and editing the value of local gravity Edits to this value may b...

Страница 38: ...mes the use of a manual mass set and that the PG9000 system assembly has been completed including pressure interconnection see Section 2 3 If an AMH mass set is being used then the AMH 100 operation m...

Страница 39: ...ll and piston to begin rotating Within 5 to 30 seconds depending on the mass load the rotation rate should reach about 50 rpm Current rotation rate can be observed by pressing SYSTEM see Section 3 10...

Страница 40: ...e of each column is facing in towards the middle of the AMH The first part of the initialization process is to visually verify the position of the binary mass pins and the mass columns This is perform...

Страница 41: ...8AMH 2control 3loadall The trim mass tray should rise approximately 2 5 cm 1 in above the top of the lifter followed by the sound of the main mass selection columns rotating Then the trim mass tray s...

Страница 42: ...ss loading bell see Sections 3 10 2 3 12 1 10 3 12 1 15 Verify the piston cylinder installed in the mounting post is the active piston cylinder data set being used by the PG9000 by pressing the P C ke...

Страница 43: ...lied by the mass accelerated by gravity PG9000 stores the metrological data calibrated values of the piston cylinders and masses in on board files see Section 3 12 1 To determine the effective area of...

Страница 44: ...r functions that are NOT generally used as a part of day to day operation These keys enter numerical values when editing Figure 13 PG9000 Keypad Layout Key press confirmation is provided by both tacti...

Страница 45: ...n of when PG9000 conditions are such that the value of pressure it is defining is valid and in tolerance A user should look for two asterisk symbols look for three if operating in Absolute by Vacuum m...

Страница 46: ...e mass carrying bell must be installed for PG9000 piston position measurement to operate correctly any random piston position values that may be indicated are not valid when the mass carrying bell is...

Страница 47: ...and displayed real time on the MAIN run screen see Section 3 8 and in the first SYSTEM run screen see Section 3 10 5 1 Piston position is used as a criterion for the Ready Not Ready indication as val...

Страница 48: ...ractional masses of 0 1 kg and larger and the main masses are machined so the nominal mass value is within 20 ppm of the true mass value as laser marked on the mass The measured and known true mass va...

Страница 49: ...gg g In mass to pressure mode the entry of the mass currently loaded on the piston is formatted Nominal mass load kkk k kg and gg gg g kkk k and gg gg must be expressed and loaded following the mass...

Страница 50: ...e piston cylinder to the mass selection position 2 selecting the individual masses to be loaded and retained and then 3 placing the masses to be loaded back onto the piston It uses pneumatic drive pre...

Страница 51: ...e last side has no ledges and is used to select all the main masses for loading It is this smooth side that faces inward when an AMH initialization sequence is invoked When the mass load is lifted to...

Страница 52: ...olumn Main masses Figure 15 AMH cut away view 3 7 2 AMH Operation Once the mass set and the AMH have been installed and the AMH system has been initialized see Section 2 4 10 regular operation of the...

Страница 53: ...d breaking the reference vacuum in AMH Section 3 7 2 6 accessing the piston cylinder module when an AMH is installed Section 3 7 2 7 and 3 7 2 8 description of the indications of the AMH LED and a lis...

Страница 54: ...hand then tighten it using the allen wrench supplied with the AMH until you feel the masses rotate If the mass lifting shaft is not fully threaded the mass will not align properly with the AMH mass h...

Страница 55: ...ars the masses and set it on a flat surface The AMH mass handler weighs about 25 lb 12 kg 3 7 2 3 AMH Mass to pressure or Pressure to mass Operation Generally the PG9000 is used to set pressures by lo...

Страница 56: ...eing used it must be set to the VACUUM position just before establishing the reference vacuum This position closes the circuit isolating it from atmosphere When operating with atmosphere in the bell j...

Страница 57: ...AMH error condition is indicated on the PG Terminal by an error message and listing of the error number on the bottom right hand of the display An AMH error is indicated remotely by the PG9000 return...

Страница 58: ...AMH logic failure JTAG illegal state 118 AMH logic failure JTAG ENDxR state unknown 119 AMH logic failure JTAG unknown error 120 AMH unable to lift mass load Mass lift valve not sensed 121 AMH unable...

Страница 59: ...Ready when automated pressure generation is adjusting pressure r Piston Rotation Ready Not Ready when Ready when Not Ready due to piston rotation rate too low or motorized rotation engaged if piston p...

Страница 60: ...local gravity Figure 18 outlines the operating protocol of the run screens and associated key presses Figure 18 Run Screen Flow Chart 3 10 Direct Function Keys 3 10 1 Direct Function Keys Summary Loca...

Страница 61: ...AMBIENT run screen which displays current values of barometric pressure ambient temperature ambient humidity and local gravity as specified in the active SETUP file Activate motorized control manually...

Страница 62: ...of the characteristics of the active piston cylinder module is displayed for example 1 Nominal pressure to mass conversion coefficient of the piston cylinder module that is currently selected active...

Страница 63: ...to the active unit To change the pressure unit select the desired unit The display returns to the previous run screen with the selected unit active If the pressure unit selected is inWa Inches of Wat...

Страница 64: ...e SETUP 2PresU menu OPERATION To customize the units of measure displayed when pressing UNIT function key From the main run screen press SETUP and select 2PresU The display is 1 The UNIT number in the...

Страница 65: ...sure pressure below atmosphere called negative gauge pressure Differential pressure defined relative to another pressure that may be but is not necessarily atmospheric pressure This term is commonly u...

Страница 66: ...onventional gauge mode to define pressures at a static pressure near atmospheric pressure but other than atmospheric pressure Note Differential mode operation requires additional hardware and that the...

Страница 67: ...c pressure For differential mode operation the PG9000 Differential Mode Interconnections Kit should be used to provide the DUT high and low test connections and support the RPM offsetting procedure se...

Страница 68: ...tial mode principles and includes a complete uncertainty analysis Consult Fluke Calibration or visit www flukecal com OPERATION To select differential mode operation and access differential mode funct...

Страница 69: ...equent determinations is 0 1 Pa then less frequent offset determinations may be considered Select 2yes to proceed with a new determination of the RPM offset The display is 1 Current pressure reading o...

Страница 70: ...trim masses The differential pressure values are loaded with the resolution specified in RES see Section 3 10 10 This is the standard nominal mass loading in instruction display of pressure to mass m...

Страница 71: ...l Mode Note for information on differential mode operation The value of the RPM offset typically should be inside of 20 Pa An RPM offset value outside of this range may indicate a poorly calibrated RP...

Страница 72: ...troller and its valves Set RPM offset at desired static pressure see Section 3 10 4 1 Selecting Differential Mode Setting Static Pressure Finding RPM Offset 1run Select pressure to mass or mass to pre...

Страница 73: ...3 10 4 1 Selecting Differential Mode Setting Static Pressure Finding RPM Offset 1run Also consider correcting all the DUT readings by the difference in the zero reading found in the two different cond...

Страница 74: ...changed Indicates HSTOP when the piston is at the high stop all the way up and LSTOP when the piston is at the low stop all the way down Flashes when Not Ready and piston is floating see Section 3 4...

Страница 75: ...a min and cannot be changed Indicates when information is unavailable or out of range Indicates TO if external device is not connected or communicating Blank when in gauge or absolute by ATM modes 4 n...

Страница 76: ...screen returns operation to the MAIN run screen Pressing advances through the first second and third SYSTEM run screen All function keys are active from the second SYSTEM run screen and operation retu...

Страница 77: ...essed from it Note The current selection in SETUP determines the source of the values used by PG9000 for atmospheric pressure ambient temperature and relative humidity If the SETUP setting is user or...

Страница 78: ...efined by the PG9000 at its reference level and the pressure actually applied to the device under test located at a different height In this case it is useful to make a head correction to the pressure...

Страница 79: ...ng a motor driven belt around the bottom of the mass loading bell to accelerate or brake the rotation rate of the mass bell and piston The motorized rotation system can engage with the piston at any p...

Страница 80: ...tion is suspended when the current PG9000 mass load does not include the mass loading bell Proper operation of the rotation system is dependent on PG9000 s measurements of piston position When using A...

Страница 81: ...to set operating parameters associated with automated pressure control With automated pressure generation control ON PG9000 uses the automated control component to float and refloat the piston when a...

Страница 82: ...see Section 3 4 1 after any mass to pressure or pressure to mass command has been confirmed It will continue to attempt to float the piston until ENT is pressed to initiate a new command a function ke...

Страница 83: ...s function is used to protect against accidental overpressure when using the PG9000 automated pressure generation function see Section 3 10 9 and the generation component s Operation and Maintenance M...

Страница 84: ...pressure measurement and the pressure indicated by the PG9000 when its piston is floating 3 10 9 5 6refloat PURPOSE To turn ON and OFF a function that causes the automated generation component see Se...

Страница 85: ...re complex to load as it requires relatively complex mass accounting and the manipulation of very small sub gram trim masses To avoid handling a difficult odd mass value one might instead decide to lo...

Страница 86: ...10 4 Press P OR M and select pressure to mass or mass to pressure mode see Section 3 10 12 Press ENT SET P and enter a target pressure or mass value If the piston is floating and AutoRoate is ON the b...

Страница 87: ...measurement mode see Section 3 10 4 a absolute 2 Current pressure unit of measure see Section 3 10 3 3 Entry field for the target value of pressure to be set Target pressure 100 0000 kPa a Use the nu...

Страница 88: ...ruction and the true mass displayed in the main run screen are slightly different values This is normal operation see Section 3 6 3 10 11 2 ENT SET P In Mass to Pressure mode PURPOSE To set a target m...

Страница 89: ...ON Vent pressure control component if AutoGen is ON or prompt operator to vent A special run screen displays reflecting that the PG9000 is at rest and the mass loading bell may not be installed The di...

Страница 90: ...n 3 10 8 Motorized rotation can also be engaged manually to accelerate or brake the piston rotation at any time under direct operator control is used for momentary acceleration of piston rotation Pres...

Страница 91: ...e of barometric pressure used to calculate air density and to add to gauge pressure to define absolute pressure in absolute by atmosphere mode could come either from PG9000 s internal sensor an extern...

Страница 92: ...is the SETUP choice setting for all variables in a new SETUP file SETUP file 1 is fixed to factory SETUP choices and cannot be altered OPERATION To access the SETUP menu press SETUP from the main run...

Страница 93: ...source choices and values of the active SETUP file for viewing only 2view does not make the viewed SETUP file active To select the active SETUP file press SETUP and select 1select See Table 16 for a l...

Страница 94: ...Selecting an item leads to the variable source choices menu for that item The cursor is on the source choice that is currently selected in that SETUP file number Select the desired variable source Th...

Страница 95: ...ce choices 1internal Use real time readings from PG9000 s on board piston cylinder temperature platinum resistance thermometers embedded in the piston cylinder module mounting post 2normal Use a fixed...

Страница 96: ...ted by a flashing arrow in the second line of the display Press the and keys to move the cursor to access the lines that are NOT visible or directly enter the number of the hidden menu choice if you k...

Страница 97: ...ected The piston cylinder module and mass set information required by PG9000 is reported on the calibration reports that are delivered with the metrological elements When the PG9000 Platform and metro...

Страница 98: ...stored This data will be used by PG9000 in calculating the defined pressure piston cylinder range pressure to mass and mass to pressure values when the piston cylinder module is made active The requir...

Страница 99: ...of relative change per MegaPascal n nn x 10 6 MPa This value is reported in the calibration report for the piston cylinder module The default is 0 00 Piston cylinder surface tension effect Edit the va...

Страница 100: ...Uninformed or accidental altering of this information may lead to out of tolerance measurements Piston cylinder module information should only be edited by qualified personnel as part of the PG9000 c...

Страница 101: ...C MS and select 1PC 4delete The display identifies the active piston cylinder module Press P C or press or to advance through the piston cylinder modules available see Section 3 10 2 When the desired...

Страница 102: ...ially numbered 1 The value of this mass is 9 kg if the mass set main masses are 10 kg and 4 kg if the mass set main masses are 5 kg The purpose of this mass is to arrive at a whole number nominal mass...

Страница 103: ...ition of a mass set Also one PG9000 system may be used with several piston cylinder modules mass loading bells and mass sets Therefore the piston mass and mass loading bell mass information are not pa...

Страница 104: ...anding of mass set structure and mass groups Consult Section 3 6 PRINCIPLE to familiarize yourself with this information before attempting to create or edit a mass set Before creating or editing an AM...

Страница 105: ...e display is 1 Sequential ID number of this specific mass within the mass group 2 Edit field for the true value of this specific mass 5 0 kg mass 1 True mass 5 000032 Edit the mass value to the true v...

Страница 106: ...et details of an existing mass set OPERATION To view information contained in an existing mass set file press SPECIAL 1PC MS and select 2mass set 1view The viewing function operates in the same manner...

Страница 107: ...nitialize the AMH on power up if an AMH mass set is the active mass set 3 12 1 11 Add a Mass Loading Bell PURPOSE To create a new mass loading bell that will be available for selection as the active m...

Страница 108: ...l changes made to the mass loading bell and exit Select 2no to abandon all changes made to the mass loading bell and exit Save bell S N 2832 1no 2yes 3 12 1 12 Edit a Mass Loading Bell PURPOSE To edit...

Страница 109: ...n of the reference pressure OPERATION To select the active mass loading bell set press SPECIAL 1PC MS and select 3mass bell 5select 3 12 2 2presU PURPOSE To customize the selection of pressure units t...

Страница 110: ...pressure In this way the defined pressure calculated by PG9000 is always the pressure at the reference level marked on the mounting post even if the piston is not at midstroke position The PISTON head...

Страница 111: ...are on the same surface and the REM is horizontal the distance is 17 3 cm for PG9602 The default value of 10 cm must be edited to reflect the actual distance used with the PG9602 Note The ATM head hei...

Страница 112: ...unt of time The default time activates the screen saver after 10 minutes The time can be adjusted by the user or screen saving can be disabled OPERATION To access the SCREEN SAVER function press SPECI...

Страница 113: ...000 also allows the user to store a unique twelve character alpha numeric ID number This feature is frequently used to assign an organizational control ID such as an asset number tool number standard...

Страница 114: ...manager and or calibration facility It allows access and editing in all areas including critical metrological information and other settings that affect measurement integrity Low Low security is desig...

Страница 115: ...any selection 4delete SPECIAL 1PC MS 1PC 5select SPECIAL 1PC MS 2mass set 5select SPECIAL 1PC MS 2mass bell 5select SPECIAL 2presU SPECIAL 3head SPECIAL 4prefs SPECIAL 4prefs 3time make changes SPECI...

Страница 116: ...required to access the User Level menu This is the factory default with a security level of 2low Caution Once a password has been entered the User Level cannot be changed without reentering the passw...

Страница 117: ...to view and edit external barometer communications settings see Section 3 12 5 4 To access the RS232 self test press SPECIAL 5remote 5RS232test 3 12 5 1 COM1 COM2 COM3 and COM4 RS232 The COM ports can...

Страница 118: ...a COM port is defective 3 12 5 4 External Barometer RPM Communications COM2 PURPOSE To set up communications with an external barometer from which PG9000 will read the value of atmospheric pressure an...

Страница 119: ...no abandon the edits Also if ENT is pressed on the 20 th character the string is saved automatically and operation advances to the next screen Note The external barometer parameters including the comm...

Страница 120: ...bell jar used in the calculation of absolute pressure in absolute by vacuum measurement mode see Section 3 10 4 Note The source of the value of vacuum pressure used by PG9000 in its internal calculat...

Страница 121: ...ugh a list of available alpha numeric characters Holding the key steps through the characters Character order going up is blank space symbols lower case letters upper case letters numbers Press ENT to...

Страница 122: ...gauge must be defined and the PG9000 COM2 port and vacuum gauge COM port must have the same communications settings or if the vacuum gauge is connected to COM2 of a RPM3 or RPM4 the RPM COM2 and vacuu...

Страница 123: ...3 7 PRINCIPLE An optional automated mass handling system is available for PG9000 Platforms AMH 100 VAC operates in either atmospheric reference gauge or absolute by ATM or vacuum reference absolute by...

Страница 124: ...s is loaded Move the cursor to a mass and press or to change its status Main indicates the number of main masses that are loaded Edit this number to the desired value If any condition in the discreet...

Страница 125: ...The display is 1sets 2units 3com 4cal 5setups 6all Select the desired reset After confirmation the reset occurs A reset always puts PG9000 through its start up routine as if power had been turned OFF...

Страница 126: ...9reset 2units PURPOSE OPERATION To access Reset Units press SPECIAL and select 1reset 2units Reset Units clears and sets to default all unit of measure functions This includes UNIT pressure unit of me...

Страница 127: ...emperature Sensors RZ Slope Calibration Date 100 000 0 3896 20000101 Vacuum Gauge Adder Multiplier Calibration Date 0 1 20000101 Note Reset Cal has no effect on the reference resistance values used to...

Страница 128: ...PG9602 OPERATION AND MAINTENANCE MANUAL 2011 Fluke Calibration Page 118 Notes...

Страница 129: ...s ensures that PG9000 has completed the command An exception is the use of any of the IEEE STD 488 2 Common Commands see Section 4 3 4 1 via the IEEE 488 interface common commands all start with an as...

Страница 130: ...nation PIN FUNCTION DESCRIPTION 2 RxD This pin accepts serial data from another PG9000 or another device 3 TxD This pin transmits serial data from the PG9000 to another PG9000 or another device 4 DTR...

Страница 131: ...4 3 2 Command Summary Table 21 Command Summary COMMAND DESCRIPTION CLS Clear the status registers and all queues ESE Read or set the Event Status Enable Register ESR Read the Event Status Register IDN...

Страница 132: ...ONVARx Set or read additional piston variables PISTONx Set or read the piston header information PISTON Set or read the piston in use PPC Send a command to an external pressure generation control comp...

Страница 133: ...or description for each Table 22 Error Messages REPLY DESCRIPTION ERR 0 OK ERR 1 First argument missing or out of range ERR 2 Second argument missing or out of range ERR 3 Third argument missing or ou...

Страница 134: ...ll other functions 4 3 4 1 IEEE Std 488 2 Common And Status Commands PG9000 supports a set of commands that are common to all instruments conforming to IEEE Std 488 2 protocol Though defined by the IE...

Страница 135: ...a comma Query Reply The version string Example Command Reply IDN FLUKE PG9602 1001 Ver3 00a Lib nmcm OPC Purpose Sets the operation complete bit when all operations have completed Syntax OPC OPC Remar...

Страница 136: ...et to default as if the RST program message was executed and the TST query returns a 1 If PG9000 passed the test on power up OR if the TST query was used at least once since the unit was powered up th...

Страница 137: ...e the SETUP command Source The measurement source This can be INTERNAL NORMAL USER RPM or the user defined barometer label Meas The current measurement used in kPaa This can only be set if the source...

Страница 138: ...elds Example Typical command Typical reply AMBT2 USER 22 00 USER 22 0 dC Typical command Typical reply AMBT9 INTERNAL INTERNAL 23 2 dC Error See Section 4 3 34 3 3Error Messages ERR 1 ERR 2 ERR 3 The...

Страница 139: ...and held in the mass handler by a single command Setting 1 causes the AMH to operate to load all the masses Setting 0 causes the AMH to operate to unload all the masses This command can only be execut...

Страница 140: ...value can be set from 1 000 to 1 000 cm Example Typical command Typical reply ATMHEIGHT 17 3 20 00 cm Error See Section 4 3 3 Error Messages ERR 1 The argument was 1000 or 1000 See Also 3 10 7 PRINCI...

Страница 141: ...r COM1 port 2 for COM2 port 3 for COM3 port 4 for COM4 port Remarks The available parameters are listed below Once the port is configured the configuration is stored in permanent memory and becomes ac...

Страница 142: ...0 Pa 101325 0 Paa Argument Offset NEW Saves the current calculation of RPM offset if PG9000 is currently in the offset determination mode else set the differential offset value in Pa Pressure The PG9...

Страница 143: ...e the DIFLOAD and DIFOFFSET commands ERR 1 The barometer measurement resulted in an invalid mass load ERR 23 ERR 28 Vacuum reference not supported by this PG9000 An external measurement device has not...

Страница 144: ...ed the AMH automated mass handler is initialized Example Typical command Typical reply MASS MASS 1 Error See Section 4 3 3 Error Messages ERR 1 ERR 13 n invalid or specifies a mass set that is not def...

Страница 145: ...command Use the MASSx command to create a new mass set prior to using the MASSSETx command to add masses to the set To define the mass set contents send the MASSSETx nominal true AMHType command to sp...

Страница 146: ...ult N A Argument N A Remarks On power up a memory test is run to check the integrity of the internal data RAM If the memory has been corrupted then FATAL MEMORY LOSS will be displayed to alert the use...

Страница 147: ...e PG9000 piston with bell installed may be controlled manually instead of using the auto rotate function see the AROT command The PG9000 will only rotate the piston if the bell is installed and the pi...

Страница 148: ...automatic rotation is enabled the masses are rotated when floating 6 The PG9000 achieves a Ready condition at the requested mass load This command replies before execution of the steps actually start...

Страница 149: ...COM3 Error See Section 4 3 3 Error Messages ERR 1 ERR 27 Invalid port x The device on the port is currently active See Also COMx PPCPR PCTx Purpose Set or read the source for the piston cylinder temp...

Страница 150: ...nabled this is also the point at which the rotation system will engage This does not apply if the bell is not loaded MaxRPM The target maximum rotation rate when automated rotation engages to rotate t...

Страница 151: ...must be defined before selecting it Example Typical command Typical reply PISTON PISTON 1 Error See Section 4 3 3 Error Messages ERR 1 n invalid or specifies a piston cylinder set that is not defined...

Страница 152: ...tion status R for Ready NR for Not Ready x This 3rd character indicates any ongoing activity by the PG9000 to reach a Ready condition Any character except a whitespace will keep the PG ready status No...

Страница 153: ...eturned The mass load needed to set the pressure is calculated using the current mass loading resolution and the measured pressure resulting from this mass is calculated Then a series of actions can o...

Страница 154: ...l reply READY2 USER 3 10 USER 3 0mm 10Paa Error See Section 4 3 3 Error Messages ERR 1 2 3 4 Invalid arguments See Also 3 4 3 12 1 1 SETUP VACP PISTONRDYx READYCK READYCK Purpose To set or check the r...

Страница 155: ...ed after the PG9000 calculates the new target mass load and loads the if an AMH automatic mass handler is active The pause is too allow a host program to instruct the operator to load trim mass if des...

Страница 156: ...5 TIME Purpose To read or set the internal real time clock Syntax TIME HH MMxp TIME Default N A Argument The time is in the HH MMxp format HH MM xp The hour 1 to 12 The minute 00 to 59 am or pm Remark...

Страница 157: ...settings After setting up the COM2 port and defining the device use the AMBPx and SETUP commands to direct PG9000 to use the external barometer to use the device as the source of atmospheric pressure...

Страница 158: ...to read both an external barometer and an external vacuum sensor with the PG COM2 port The barometer must be an RPM3 or RPM4 plugged into the PG COM2 port and selected as an active external barometer...

Страница 159: ...uum label meas The current measurement used in Paa This can only be set if the source argument is USER If specified the limit for this argument is 0 to 99 Paa Remarks The PG9000 optional vacuum refere...

Страница 160: ...T Purpose To vent the test pressure to atmosphere if an automated pressure generation control component is being used for automatic pressure generation Syntax VENT n Default VENT 0 Argument n 1 n 0 Ac...

Страница 161: ...The status subsystem is layered under and reports to the status reporting system It follows the model of the IEEE Std 488 2 and works for the COM1 and the IEEE 488 port with slight differences PG9000...

Страница 162: ...mary bit Bit 7 This bit is not supported by PG9000 RQS Requested Service Bit 6 Indicates that the SRQ line of the IEEE 488 interface has been asserted by PG9000 This bit is cleared when a serial poll...

Страница 163: ...t time this bit was read or cleared URQ User Request Bit 6 Indicates that PG9000 was set to local operation manually from the front panel by the user pressing the ESC key CMD Command Error Bit 5 Indic...

Страница 164: ...PG9602 OPERATION AND MAINTENANCE MANUAL 2011 Fluke Calibration Page 154 Notes...

Страница 165: ...vides information on maintenance adjustment and calibration procedures and certain repair procedures Note Calibration maintenance and repair services for PG9000 are offered by authorized Fluke Calibra...

Страница 166: ...to bell jar The measurement uncertainty specification of the on board sensor should be taken into consideration when selecting a reference relative to which to adjust them see Section 1 2 1 3 The amb...

Страница 167: ...ers and Multipliers and their use in adjusting internal sensors 5 2 1 3 Ambient Temperature sensor PURPOSE To view and adjust the output of the on board ambient temperature sensor Note The ambient tem...

Страница 168: ...Multipliers and their use in adjusting internal sensors 5 2 1 5 Piston Cylinder Module Temperature Sensors PURPOSE To view and adjust the output of the on board temperature sensors that are used to m...

Страница 169: ...ss SPECIAL 7cal and select either 4PCT1 2cal or 4PCT2 2cal to access a screen in which the values of RZ and S can be edited From here press ESC and select 1view to view the individual PRT reading with...

Страница 170: ...osition see step 5 and tightening the four socket head screws reassemble in the reverse order Thermal grease may be applied lightly to the PRTs if available Reconnect the PG9000 terminal to the PG9000...

Страница 171: ...ion system load the mass bell on the piston and a 5 kg mass disc Then press SPECIAL 7cal 5Pposition 2cal Special Considerations When Using a Manual Mass Set The prompt Hold piston at max down stop app...

Страница 172: ...bell If this does not yield the desired results then it may be necessary to replace the drive belts Note A set of spare drive belts is included in the accessories delivered with the PG9000 Platform To...

Страница 173: ...urn gas from contaminated DUTs that are connected to the PG9000 system Caution The PC 7100 7600 piston cylinder module design affords maximum protection to the piston cylinder element assuring that it...

Страница 174: ...two holes on the sleeve nut Step 1 and 2 Remove the O ring assembly 8 Then being sure to support the cylinder 7 so it doesn t fall out turn the remaining assembly over so that the piston cap 2 is up S...

Страница 175: ...ibration Remove the main module housing 4 by sliding it upward leaving behind the piston cylinder assembly Caution Do not touch the polished surfaces of the piston or the cylinder at any time Step 5 R...

Страница 176: ...arefully allow the cylinder to drop down over the white plastic centering ring Holding the cylinder gently remove the piston 6 from the tool Finally remove the tool from the cylinder Step 7 and 8 To r...

Страница 177: ...5 MAINTENANCE ADJUSTMENTS AND CALIBRATION Page 167 2011 Fluke Calibration Figure 23 10 kPa kg piston cylinder module expanded view Figure 24 Gas piston cylinder module sleeve nut tool...

Страница 178: ...alignment ring comes into contact with the polished critical surface of the cylinder The alignment ring is delivered clean and must be kept clean to avoid transferring contamination to the cylinder If...

Страница 179: ...lide down onto the cylinder Pick up the piston cylinder and move the cylinder on the piston checking that they are both clean and there is good mobility of the piston in the cylinder Then reassemble t...

Страница 180: ...er to Figure 26 This procedure applies to the 50 kPa kg 100 kPa kg and 200 kPa kg piston cylinder modules Place the piston cylinder module on a clean stable surface with the piston cap 2 up Using a 3...

Страница 181: ...leeve nut tool is a spanner that fits into the two holes on the sleeve nut Note The 50 and 200 kPa kg module sleeve nuts have a right hand thread so they are loosened by turning counter clockwise Hold...

Страница 182: ...tion recommendations in Section 5 3 4 Figure 26 50 100 and 200 kPa kg gas piston cylinder modules exploded view 5 3 3 Cleaning Piston Cylinders There are two general methods for cleaning a piston cyli...

Страница 183: ...does not back up in the cleaning process If the assembly temperature was elevated during cleaning it may be necessary to wait to allow the temperature of the assembly to return to ambient temperature...

Страница 184: ...is all that is necessary Lubrication with more than a thin film will increase the cost of lubrication and may result in contamination of the piston and or cylinder Areas not indicated for lubrication...

Страница 185: ...be able to perform these calibrations it is recommended that a Fluke Calibration Service be used if possible The recalibration process may find values for piston cylinder effective area pressure defo...

Страница 186: ...our software two pieces are required the binary software file for PG9600 and the WinFlash TM utility Both files are available for download from www flukecal com from the Service and Support link Be ca...

Страница 187: ...as follows Disconnect power Remove the pop off screw covers on the bottom of the case Remove the four case screws Lift OFF the cover Be careful not to over stress the ribbon cables connecting the disp...

Страница 188: ...PG9602 OPERATION AND MAINTENANCE MANUAL 2011 Fluke Calibration Page 178 Notes...

Страница 189: ...as desired 3 12 4 2 Cannot access certain functions Display shows ACCESS RESTRICTED User Level restriction settings limit access to critical functions By default editing metrological information shoul...

Страница 190: ...orized rotation is not operating Automated motorized rotation is OFF Press ROTATE and enable the feature 3 10 8 Manually activated motorized rotation cutoff while the was still pressed Motorized rotat...

Страница 191: ...trim mass AMH mass handler did not initialize or a manual mass set is selected Adjust mass loading resolution to 0 1 kg initialize AMH mass set by selecting it 3 10 10 3 12 1 10 Select the AMH mass s...

Страница 192: ...PG9602 OPERATION AND MAINTENANCE MANUAL 2011 Fluke Calibration Page 182 Notes...

Страница 193: ...1 1 Pressure Table 26 Pressure Unit of Measure Conversions To convert from Pa to Multiply by Pa Pascal 1 0 mbar millibar 1 0 E 02 kPa kilo Pascal 1 0 E 03 bar Bar 1 0 E 05 mmWa 4 C millimeter of water...

Страница 194: ...m 7 2 2 3 10 7 3 12 3 PHG Fluid head correction in gauge mode Pa Calculated using device heights and medium 7 2 2 3 10 7 3 12 3 Pnom Nominal pressure Pa In pressure to mass mode Pnom Preq In mass to p...

Страница 195: ...2 1 nom C P P P A A 1 20 1 10 6 0 20 Absolute pressure by adding atmospheric pressure atm HA P P m a A P P A A Mg P 2 1 nom C P P P A A 1 20 1 10 6 0 20 Absolute pressure with vacuum reference vac HA...

Страница 196: ...nt pressure temperature and relative humidity values as specified in the active SETUP file see Section 3 11 Assumed to be zero when operating in absolute with a vacuum reference mode Calculated using...

Страница 197: ...celeration due to gravity value as specified in the active SETUP file see Section 3 11 hP piston height m Height of the current piston position above PG9000 reference level 0 0 mm hrlo reference level...

Страница 198: ...to predict the pressure at the level of the DUT which may be different from the PG9000 reference level FS Full Scale The full scale value is the maximum value of a measurement range Limits and specif...

Страница 199: ...ication of when conditions are present to make in tolerance pressure definitions based on specific criteria for each condition Parameters include piston float position rotation rate correct reference...

Страница 200: ...To obtain warranty service contact your nearest Fluke authorized service center to obtain return authorization information then send the product to that service center with a description of the diffi...

Страница 201: ...BV Tel 31 33 46 22 000 info minervaipm com Europe Middle East Africa europascal GmbH Tel 49 61 81 42 309 0 Fax 49 61 81 42 309 22 service europascal de Germany Austria and Switzerland Ohte Giken Inc...

Страница 202: ...PG9602 OPERATION AND MAINTENANCE MANUAL 2011 Fluke Calibration Page 192 Notes Via Acquanera 29 22100 Como tel 031 526 566 r a fax 031 507 984 info calpower it www calpower it...

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