Fluke CalPower RUSKA 3990 Series User Manual Download Page 4 | Manualshive

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RUSKA Series 3990

Users Manual

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Summary of Contents for CalPower RUSKA 3990 Series

Page 1: ...n USA Specifications are subject to change without notice All product names are trademarks of their respective companies RUSKA Series 3990 Manual Pressure Control Packs Users Manual Via Acquanera 29 22100 Como tel 031 526 566 r a fax 031 507 984 info calpower it www calpower it ...

Page 2: ...rvice center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that failure was caused by neglect misuse contami...

Page 3: ...ols Used in this Manual 2 General Information 2 Standard Equipment 2 Features 3 Theory of Operation 3 Gauge Mode 3 Positive Gauge Mode 3 Vacuum Negative Gauge Mode 3 Absolute Mode 3 Connections 4 Preliminary Operation 6 Positive Gauge Mode Operation 6 Vacuum Mode Negative Gauge Operation 7 Absolute Mode Operation 8 Maintenance 9 Precise Pressure Controller 9 Automatic Equalizing 9 Maintenance 9 Cl...

Page 4: ...RUSKA Series 3990 Users Manual ii ...

Page 5: ...iii List of Tables Table Title Page 1 Symbols 2 2 Service Kit 3893 801 40801 9 3 Specifications 10 ...

Page 6: ...RUSKA Series 3990 Users Manual iv ...

Page 7: ...d Setup for Operation in Positive and Negative Gauge and Absolute Modes Using Two Vacuum Pumps 4 2 Optional Setup for Positive Gauge Mode Only 5 3 Optional Setup for Operation in Positive and Negative Gauge and Absolute Modes Using One Vacuum Pump 5 ...

Page 8: ...RUSKA Series 3990 Users Manual vi ...

Page 9: ...ngapore 65 738 5655 Anywhere in the world 1 425 446 5500 Or visit Fluke s website at www fluke com To register your product visit http register fluke com To view print or download the latest manual supplement visit http us fluke com usen support manuals Safety Information Safety Summary The following are general safety precautions that are not related to any specific procedures and do not appear e...

Page 10: ...nd in this manual are explained in Table 1 Table 1 Symbols Symbol Description J Earth Ground W Important Information refer to manual Do not dispose of this product as unsorted municipal waste Go to Fluke s website for recycling information General Information The 3990 801 and 3990 803 Manual Pressure Control Packs are typically used in conjunction with the Gas Lubricate Deadweight Piston Gauge DWG...

Page 11: ...the piston is used as test pressure The test pressure must be lower than ambient pressure and is referred to as a negative gauge or vacuum mode pressure In practice the bottom of the 3990 801 DWG piston is connected to the reference port of the device under test and both the 3990 801 and the device under test are totally isolated from ambient pressure Thus the test port pressure is not truly a neg...

Page 12: ... Figure 1 Recommended Setup for Operation in Positive and Negative Gauge and Absolute Modes Using Two Vacuum Pumps 1 As shown in Figure 2 no vacuum pumps are required if operation is limited to positive gauge mode 2 For negative gauge and absolute mode operation the Supply Vacuum Pump can be omitted if the Supply Vacuum line is connected to the Reference Vacuum Pump However this can result in dela...

Page 13: ...egative gauge mode operation However it is highly beneficial in the absolute mode especially when only one vacuum pump is used The isolation valve allows the bell jar to be vented to atmosphere as when changing masses without deactivating the vacuum pump Leaving the vacuum pump active allows the bell jar to return to a stable vacuum more quickly In the single vacuum pump absolute mode configuratio...

Page 14: ...gulator on the pressure supply to approximately 350 kPa 50 psi greater than the desired test port pressure 5 If sub atmosphere pressures will be generated in the test port activate the Supply Vacuum Pump If a vacuum isolation valve is included in the system configuration close it before activating the vacuum pump 6 If operating in the absolute mode it may be advantageous to evacuate the reference ...

Page 15: ...n about 10 to 20 turns b Push to close the Equalize valve and rotate the Pressure Adjuster knob to adjust the final pressure and float position Vacuum Mode Negative Gauge Operation Please refer to Figures 1 2 or 3 as appropriate 1 Verify that the mode valve is set to Vacuum Negative Gauge 2 Verify that the bell jar is mounted on the deadweight gauge 3 Close the Test Port Vent valve and carefully o...

Page 16: ...Adjuster knob to adjust the final pressure and float position 3 For subsequent pressure changes a Pull to open the Equalize valve b Carefully open the Pressure Supply valve to increase the pressure the Test Port Vent valve to decrease the pressure if the test port pressure is greater than ambient air or the Vacuum Supply valve to decrease pressure if the test port pressure is less than ambient c C...

Page 17: ... will occur at a differential pressure of about 0 7 MPa 100 psi If a larger or smaller differential is desired adjust the slotted nuts located on each end of the push pull stem of the by pass valve A special tool for this purpose is provided with the instrument Note It is advisable to exercise the by pass valve stem after long periods of inactivity This will prevent sticking which could result in ...

Page 18: ...5 psi Supply Pressure 7 MPa 1000 psi 21 MPa 3000 psi Temperature Range 5 ºC to 50 ºC 5 ºC to 50 ºC Test Pressure Gauge Range 0 7 MPa 0 21 MPa Electric Power Required None None Connections 1 4 NPT 1 4 NPT Size 17 1 8 X 10 1 4 X 8 17 1 8 X 10 1 4 X 8 Weight About 40 lbs About 40 lbs Will vary with total system volume and pressure Via Acquanera 29 22100 Como tel 031 526 566 r a fax 031 507 984 info c...

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