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Varian 947 Instruction Manual

Manual is about: Leak Detectors

Summary of 947

  • Page 1

    D raf t 2/4/02 instruction manual manual no. 699909985 revision c december 2001 service pendant hand-held terminal.

  • Page 2: Draf

    Draf t 2/4/02 service pendant hand-held terminal ii hazard and safety information this manual uses the following standard safety protocols: warning the warning messages are for attracting the attention of the operator to a particular procedure or practice which, if not followed correctly, could lead...

  • Page 3: Draf

    1 service pendant hand-held terminal draf t 2/4/02 the service pendant the service pendant is used to set up and display parameters for the model 947, 948 and 960 leak detectors. It is a hand-held terminal with a 40-key keypad and a 20 character by 4 line backlit lcd display (see figure 1). The serv...

  • Page 4: Draf

    Draf t 2/4/02 service pendant hand-held terminal 2 keypad functions figure 2 shows the service pendant keypad. A glossary of the keys begins on page 8. Table 1 on page 8 explains the keys that perform special functions when entering information. Table 2 on page 8 explains the remaining keys, which a...

  • Page 5: Draf

    Service pendant hand-held terminal draf t 2/4/02 3 figure 3 has four illustrations of the keypad each highlighting a different functional group of keys (service, system setup, operation/status, and auto sequence). As an operator, you will primarily use the system setup and the operation/status keys....

  • Page 6: Draf

    Draf t 2/4/02 service pendant hand-held terminal 4 example 1 – set reject set point four individual reject set points can be set, but only one reject set point is enabled at a time. To set a reject set point value and make it the active reject set point: 1. Display (show) the existing reject set poi...

  • Page 7: Draf

    Service pendant hand-held terminal draf t 2/4/02 5 example 2 – check and set the value of the crossover (transfer) pressure to fine test the pressure at which a test transfers to fine (or gross) test can be set and verified using the pendant. The value can also be verified on the test port pressure ...

  • Page 8: Draf

    Draf t 2/4/02 service pendant hand-held terminal 6 example 3 – check and set the auto sequence parameters the auto sequence rough time and test time intervals can be set and the auto sequence option turned on using the pendant. 1. Display the currently set rough time and test time. ❑ press: the pend...

  • Page 9: Draf

    Service pendant hand-held terminal draf t 2/4/02 7 example 4 – check and set the value of the internal standard leak to set the value of the internal standard leak: 1. Display the current value of the internal standard leak. ❑ press: the pendant displays the current value of the standard leak. 2. En...

  • Page 10: Draf

    Draf t 2/4/02 service pendant hand-held terminal 8 glossary the keys listed in table 2 start at the top left corner of the keypad and continue from left to right. Table 1 glossary of function keys shift performs the red function on the key that is pressed after the shift key is pressed. Lk rate e en...

  • Page 11: Draf

    Service pendant hand-held terminal draf t 2/4/02 9 [shift] set gr xfr show sets the value of the gross leak transfer point. Enter x.Xe − x (the desired value), followed by shift, then the function key. Example: 5.0e − 3 [shift] set gr xfr (sets gross leak transfer point to 500 mtorr). Set fn xfr sho...

  • Page 12: Draf

    Draf t 2/4/02 service pendant hand-held terminal 10 [shift] prsrs show vlv st displays the test port and system pressures in the format: ?Test port 2.3 (value is in mtorr) system tc 1 ok (value is in mtorr) set offset show displays the value of the electronic offset of the preamplifier in the format...

  • Page 13: Draf

    Service pendant hand-held terminal draf t 2/4/02 11 [shift] init emis put sets a permanent new value for emission current. Enter xxxx (the desired value), followed by the shift key, then the function key. Zero tp tc atm initiates an atmosphere calibration of the test port tc. [shift] zero tp tc atm ...

  • Page 14: Draf

    Draf t 2/4/02 service pendant hand-held terminal 12 [shift] 2 fil sel 1 selects filament #2 in the ion source. Out v show fil # displays the active filament number. [shift] out v show fil # displays the format (log or lin) of the analog leak rate output voltage. [shift] raw dta 1 displays a set of r...

  • Page 16

    Sales and service offices argentina varian argentina ltd. Sucursal argentina av. Ricardo balbin 2316 1428 buenos aires argentina tel: (54) 1 783 5306 fax: (54) 1 786 5172 australia varian australia pty ltd. 679-701 springvale road mulgrave, victoria zz 3170 australia tel: (61) 395607133 fax: (61) 39...