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TABLE OF CONTENTS 

 

Page I 

© 2004-2007 DH Instruments, a Fluke Company 

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T A B L E   O F   C O N T E N T S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I

 

T A B L E S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I I I

 

F I G U R E S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I I I

 

1 .

 

I N T R O D U C T I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

 

1.1

 

PRODUCT OVERVIEW ...........................................................................................................................1

 

1.2

 

SPECIFICATIONS ...................................................................................................................................1

 

1.2.1

 

GENERAL SPECIFICATIONS.......................................................................................................................1

 

1.2.2

 

COMPONENT IDENTIFICATION OF THE AVAILABLE MOLSTIC-S CONFIGURATIONS........................2

 

1.2.2.1

 

MOLSTIC-S, SINGLE 1/4 IN., STANDARD CONFIGURATION ................................................................2

 

1.2.2.2

 

MOLSTIC-S, SINGLE 1/2 IN., STANDARD CONFIGURATION ................................................................3

 

1.2.2.3

 

MOLSTIC-S, DUAL 1/4 IN., STANDARD CONFIGURATION....................................................................4

 

1.2.2.4

 

MOLSTIC-S, DUAL 1/2 IN., STANDARD CONFIGURATION....................................................................5

 

1.2.2.5

 

MOLSTIC-S, SINGLE 1/4 IN., WITH REGULATION .................................................................................6

 

1.2.2.6

 

MOLSTIC-S, SINGLE 1/2 IN., WITH REGULATION .................................................................................7

 

1.2.2.7

 

MOLSTIC-S, DUAL 1/4 IN., WITH REGULATION .....................................................................................8

 

1.2.2.8

 

MOLSTIC-S, DUAL 1/2 IN., WITH REGULATION .....................................................................................9

 

1.2.2.9

 

MOLSTIC-S, SINGLE 1/4 IN., WITH LOW- OR MID- FLOW METERING VALVE ..................................10

 

1.2.2.10

 

MOLSTIC-S, DUAL 1/4 IN., WITH LOW- OR MID- FLOW METERING VALVE......................................11

 

1.2.2.11

 

MOLSTIC-S, SINGLE 1/4 IN., WITH LOW- OR MID- FLOW METERING                                              
VALVE AND REGULATION.....................................................................................................................12

 

1.2.2.12

 

MOLSTIC-S, DUAL 1/4 IN., WITH LOW- OR MID- FLOW METERING VALVE AND REGULATION.....13

 

2 .

 

I N S T A L L A T I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5

 

2.1

 

UNPACKING AND INSPECTION .......................................................................................................... 15

 

2.1.1

 

REMOVING FROM PACKAGING ...............................................................................................................15

 

2.1.2

 

INSPECTING CONTENTS...........................................................................................................................15

 

2.1.2.1

 

ACCESSORIES INCLUDED WITH MOLSTIC-S SHIPMENTS ...............................................................15

 

2.2

 

SITE REQUIREMENTS.......................................................................................................................... 16

 

2.3

 

INITIAL SETUP......................................................................................................................................16

 

2.3.1

 

PREPARATION FOR OPERATION ............................................................................................................16

 

2.3.2

 

INSTALLATION AND SWAPPING OF MOLBLOC-S .................................................................................16

 

2.3.2.1

 

REPLACING VCR INLET FLANGES ON MOLBLOC-S (AS REQUIRED) ..............................................16

 

2.3.2.2

 

INSTALLATION OF MOLBLOC-S ONTO MOLSTIC-S............................................................................18

 

2.4

 

MOLSTIC-S INTERCONNECTIONS .....................................................................................................20

 

2.4.1

 

GAS SUPPLY CONNECTIONS TO MOLSTIC-S ........................................................................................20

 

2.4.1.1

 

MOLSTIC-S USE WITH DHI SUPPLIED REGULATORS .......................................................................21

 

2.4.1.2

 

MOLSTIC-S USE WITH REGULATORS NOT SUPPLIED BY DHI .........................................................22

 

2.4.2

 

INLET CONNECTION - MOLSTIC-S USE WITH DUT UPSTREAM...........................................................22

 

2.4.3

 

INLET CONNECTION - MOLSTIC-S USE WITH DUT DOWNSTREAM ....................................................24

 

2.4.4

 

OUTLET CONNECTION - MOLBLOC-S OUTLET CONNECTION ............................................................24

 

2.5

 

CONNECTING, DISCONNECTING AND MOUNTING MOLBLOC-S

                                                  

WITH ISO-KF STYLE VACUUM FLANGE (MOLBLOC-S OUTLET FITTING) .....................................24

 

2.5.1

 

ISO-KF STYLE VACUUM FLANGE FITTINGS...........................................................................................24

 

2.5.2

 

MAKING AND BREAKING PROCEDURE FOR MOLBLOC-S ISO-KF                                                  
VACUUM FLANGE CONNECTION.............................................................................................................25

 

2.5.2.1

 

MOLSTIC-S USE WITH DUT UPSTREAM..............................................................................................25

 

2.5.2.2

 

MOLSTIC-S USE WITH DUT DOWNSTREAM .......................................................................................25

 

Содержание MOLSTIC-S

Страница 1: ...2004 2007 DH Instruments a Fluke Company molstic S Engineered Mounting Systems for molbloc S Mass Flow Elements Operation and Maintenance Manual...

Страница 2: ...warranty expressed or implied is provided DH Instruments disclaims any responsibility or liability for any direct or indirect damages resulting from the use of the information in this manual or produ...

Страница 3: ...STIC S DUAL 1 4 IN WITH LOW OR MID FLOW METERING VALVE AND REGULATION 13 2 INSTALLATION 15 2 1 UNPACKING AND INSPECTION 15 2 1 1 REMOVING FROM PACKAGING 15 2 1 2 INSPECTING CONTENTS 15 2 1 2 1 ACCESSO...

Страница 4: ...EGULATOR MAXIMUM PRESSURE ADJUSTMENT 31 3 2 3 LOCKING THE BACK PRESSURE REGULATOR ADJUSTMENT OPTIONAL 31 3 2 4 BACK PRESSURE REGULATOR OPERATION 31 3 3 LEAK CHECK RECOMMENDATIONS 32 3 4 MOLSTIC S FLOW...

Страница 5: ...ure 7 molstic S Dual 1 4 in with Regulation 8 Figure 8 molstic S Dual 1 2 in with Regulation 9 Figure 9 molstic S Single 1 4 in with Low or Mid Flow Metering Valve 10 Figure 10 molstic S Dual 1 4 in w...

Страница 6: ...MOLSTIC S OPERATION AND MAINTENANCE MANUAL 2004 2007 DH Instruments a Fluke Company Page IV N NO OT TE ES S...

Страница 7: ...rovide pressure control capability to the user Calibration test devices that are capable of controlling flow must be installed upstream of the molbloc S if they are to be tested in control mode Use th...

Страница 8: ...ORDERING INFO DESCRIPTION P N FAM0009 molstic S molstic for molbloc S Option 01 1 Single Channel 1 4 in Plumbing Figure 1 molstic S Single 1 4 in Standard Configuration 1 Inlet adaptor 1 4 in tube x...

Страница 9: ...09 molstic S molstic for molbloc S Option 01 2 Single Channel 1 2 in Plumbing Figure 2 molstic S Single 1 2 in Standard Configuration 1 Inlet adaptor 1 2 in tube x 1 2 in male VCR 2 Flow shut off mete...

Страница 10: ...molstic S molstic for molbloc S Option 01 3 Dual Channel 1 4 in Plumbing Figure 3 molstic S Dual 1 4 in Standard Configuration 1 Inlet adaptor 1 4 in tube x 1 4 in male VCR 2 Particulate filter 2 mic...

Страница 11: ...olstic S molstic for molbloc S Option 01 4 Dual Channel 1 2 in Plumbing Figure 4 molstic S Dual 1 2 in Standard Configuration 1 Inlet adaptor 1 2 in tube x 1 2 in male VCR 2 Flow shut off flow meterin...

Страница 12: ...3 2 With 1 4 in Pressure Reducing Regulator 03 4 With 1 4 in Back Pressure Regulator Figure 5 molstic S Single 1 4 in with Regulation 1 Inlet quick connect includes stem with 1 4 in SWG not shown 2 Pr...

Страница 13: ...03 3 With 1 2 in Pressure Reducing Regulator 03 5 With 1 2 in Back Pressure Regulator Figure 6 molstic S Single 1 2 in with Regulation 1 Inlet quick connect includes stem with 1 2 in SWG not shown 2 P...

Страница 14: ...With 1 4 in Pressure Reducing Regulator 03 4 With 1 4 in Back Pressure Regulator Figure 7 molstic S Dual 1 4 in with Regulation 1 Inlet quick connect includes stem with 1 4 in SWG not shown 2 Pressur...

Страница 15: ...3 With 1 2 in Pressure Reducing Regulator 03 5 With 1 2 in Back Pressure Regulator Figure 8 molstic S Dual 1 2 in with Regulation 1 Inlet quick connect includes stem with 1 2 in SWG not shown 2 Pressu...

Страница 16: ...4 in Plumbing 04 2 With 1 4 in Low Flow Metering Valve Option 04 3 With 1 4 in Mid Flow Metering Valve Figure 9 molstic S Single 1 4 in with Low or Mid Flow Metering Valve 1 Inlet adaptor 1 4 in tube...

Страница 17: ...With 1 4 in Low Flow Metering Valve Option 04 3 With 1 4 in Mid Flow Metering Valve Figure 10 molstic S Dual 1 4 in with Low or Mid Flow Metering Valve 1 Inlet adaptor 1 4 in tube x 1 4 in male VCR 2...

Страница 18: ...Pressure Regulator 04 2 With 1 4 in Low Flow Metering Valve Option 04 3 With 1 4 in Mid Flow Metering Valve Figure 11 molstic S Single 1 4 in with Low or Mid Flow Metering Valve and Regulation 1 Inlet...

Страница 19: ...r 04 2 With 1 4 in Low Flow Metering Valve Option 04 3 With 1 4 in Mid Flow Metering Valve Figure 12 molstic S Dual 1 4 in with Low or Mid Flow Metering Valve and Regulation 1 Inlet quick connect incl...

Страница 20: ...MOLSTIC S OPERATION AND MAINTENANCE MANUAL 2004 2007 DH Instruments a Fluke Company Page 14 N NO OT TE ES S...

Страница 21: ...2 1 ACCESSORIES INCLUDED WITH MOLSTIC S SHIPMENTS Table 1 Accessory Kit 1 4 in molstic S versions P N 401938 DESCRIPTION PART 1 molstic S Operation and Maintenance Manual 550130 1 16 mm ISO KF Blanki...

Страница 22: ...ility such as MFCs and are to be tested in flow control mode must be tested in the upstream location Install this type of DUT upstream of the molbloc S only 2 3 2 INSTALLATION AND SWAPPING OF MOLBLOC...

Страница 23: ...22 for use with the new flange Be careful not to damage this seal in any way as a leak can result which will cause errors during flow measurement Position the replacement VCR inlet flange on the end o...

Страница 24: ...sconnecting molbloc S elements with VCR connections Connecting Disconnecting and Mounting molbloc S with VCR Face Seal Fittings molbloc S Inlet Fitting In making the molbloc S inlet flow connection al...

Страница 25: ...cked off Never use wrenches to hold the molbloc S body 2 3 2 2 2 molbloc S Connections to molbox For the pressure connections use the molbox to molbloc S pressure tubes P N 401125 supplied with the mo...

Страница 26: ...n the DUT and the molbloc The gas supply to the molstic S has the following requirements The gas supply must be clean and free of particulate contamination in order to avoid damage to the molbloc For...

Страница 27: ...ade kits that are available in 1 4 in or 1 2 in P N 401880 and 401881 respectively Figure 16 molstic S with Supplied Regulator DHI also offers the supply only platform that includes the regulator with...

Страница 28: ...tem leak testing The pressure reducing regulators supplied by DHI are selected for the following characteristics High quality High sensitivity and stability Outlet control pressure range 0 to 100 psig...

Страница 29: ...om particulate contamination Consult factory for availability of 1 2 in inline filter kit Connect DUT to molstic S inlet Since there are so many types and sizes DUTs that can be calibrated by the molb...

Страница 30: ...TYLE VACUUM FLANGE FITTINGS The outlet connection system on the molbloc S body is the ISO KF style vacuum flange It utilizes an internal centering ring an external overpressure ring and clamp The seal...

Страница 31: ...e separated Remove the clamp centering ring and overpressure ring Never use wrenches to hold the molbloc S body or tighten the wing nut 2 5 2 1 MOLSTIC S USE WITH DUT UPSTREAM During operation the mol...

Страница 32: ...he Downstream Tee Assembly end fitting type is the 25 mm ISO KF style vacuum flange These fittings can be converted to either Swagelok tube fitting or VCR Face Seal fittings using one of the following...

Страница 33: ...as not designed to accommodate the DUT directly on its platform For the sake of flexibility the molstic S is supplied with 50 cm of PFA tubing to help make the inlet and outlet connections Use of the...

Страница 34: ...MOLSTIC S OPERATION AND MAINTENANCE MANUAL 2004 2007 DH Instruments a Fluke Company Page 28 N NO OT TE ES S...

Страница 35: ...er to obtain the most accurate and stable set point 3 1 1 SYSTEM PRESSURIZAION Begin with system pressure vented Make sure that the system pressure is vented Set inlet pressure to minimum Turn the reg...

Страница 36: ...sure Vent the system pressure Use the procedure in Section 3 1 to re pressurize and verify the regulator pressure setting Readjust if necessary Replace regulator knob cover Place the regulator adjustm...

Страница 37: ...te the back pressure regulator adjustment knob clockwise in order to raise the pressure level upstream of the regulator Rotate the back pressure regulator adjustment knob counterclockwise in order to...

Страница 38: ...S and will provide the control of inlet pressure to the molbloc S If the DUT does not have its own flow control capability the inlet pressure to the molbloc S must be controlled by either an upstream...

Страница 39: ...the test system Adjust system flow rate Rotate the flow control valve adjustment knob to set the desired flow rate on the molbloc S Fine adjustments in flow rate can be achieved by combining adjustme...

Страница 40: ...MOLSTIC S OPERATION AND MAINTENANCE MANUAL 2004 2007 DH Instruments a Fluke Company Page 34 N NO OT TE ES S...

Страница 41: ...com 4 2 UPGRADE OF MOLSTIC S WITH 1 4 IN METERING VALVE The 1 4 in molstic S is delivered with integrated shut off metering valves These valves provide a measure of flow control when calibrating devi...

Страница 42: ...MOLSTIC S OPERATION AND MAINTENANCE MANUAL 2004 2007 DH Instruments a Fluke Company Page 36 N NO OT TE ES S...

Страница 43: ...stic S filter is a sealed 2 micron pleated mesh filter Swagelok SS 4FW VCR 2 It can be cleaned by backflushing with clean gas but must be removed from the molstic S When removing cleaning and re insta...

Страница 44: ...MOLSTIC S OPERATION AND MAINTENANCE MANUAL 2004 2007 DH Instruments a Fluke Company Page 38 N NO OT TE ES S...

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