148-0598 Rev. A
Page 1
May 1998
HASTINGS MOD 4/6
DIGITAL
VACUUM INSTRUMENT
TELEDYNE BROWN ENGINEERING
HASTINGS INSTRUMENTS
P. O. Box 1436
Hampton, VA 23661, USA
Telephone (757) 723-6531
(800) 950-2468
FAX (757) 723-3925
148-0598 Rev.A
Page 1: ...Page 1 May 1998 HASTINGS MOD 4 6 DIGITAL VACUUM INSTRUMENT TELEDYNE BROWN ENGINEERING HASTINGS INSTRUMENTS P O Box 1436 Hampton VA 23661 USA Telephone 757 723 6531 800 950 2468 FAX 757 723 3925 May 1998 148 0598 Rev A ...
Page 2: ...NTIFY 2 3 0 INSTRUMENT SET UP TUBE INSTALLATION 3 3 1 WIRING 3 3 2 CONFIGURATION 3 3 3 INSTALLING VACUUM GAUGE TUBE 4 4 0 OPERATION 5 4 1 AVC MODULE 5 4 2 TAKING A VACUUM MEASUREMENT 5 4 3 RESOLUTION OF DIGITAL METER 5 5 0 CALIBRATION 5 5 1 RESTORE FACTORY CALIBRATION 5 5 2 CUSTOM CALIBRATION 6 5 3 REFERENCE TUBE CALIBRATION 7 6 0 MAINTENANCE 8 7 0 TROUBLE SHOOTING AND REPAIR 8 7 1 TROUBLE SHOOTIN...
Page 3: ...ch heats a pair of noble metal thermocouples A change in pressure in the gauge tube changes the thermal conductivity of the gas surrounding the thermocouples thus changing the heat loss of the thermo couples due to thermal conductivity This results in a temperature change in the thermocouples thus changing their dc millivolt output The dc millivolt output varies inversely with pressure with 10mv e...
Page 4: ...r use Hastings Instruments shall not be liable for any indirect or consequential damages Teledyne Brown Engineering Hastings Instruments will at its option repair replace or refund the selling price of the product if Teledyne Brown Engineering Hastings Instruments determines in good faith that it is defective in materials or workmanship during the warranty period provided that the product is retur...
Page 5: ...d d 6C To check your current configuration 3 2 1 Plug the AVC module into either a DV 4 or DV 6 tube The tube should be at atmospheric pressure 3 2 2 Remove the front bezel and the front panel Locate the black push button in the lower right hand corner 3 2 3 Turn the MODEL 4 6 ON or plug into 115vac Since the tube is at atmospheric pressure the display should read _or_ for over range It may read E...
Page 6: ...splay will advance to the next program mode 3 2 13 When the program has advanced to the next mode the display will read either d 4 d 6 d 4C or d 6C NOTE The d 4 and d 6 settings are not used with the AVC module If the tube setting is correct do nothing and the display will automatically advance to the next mode in about 5 sec If you wish to change the tube setting press and release the push button...
Page 7: ...LUTION OF DIGITAL METER 4 3 1 The resolution of the digital meter varies with pressure For the DV 4 0 10 to 20 Torr range the resolution is Range Resolution 0 010 to 0 100 Torr 0 002 Torr 0 10 to 1 00 Torr 0 01 Torr 1 0 to 10 0 Torr 0 1 Torr 10 to 20 Torr 1 Torr 4 4 3 The resolution of the digital meter varies with pressure For the 0 001 to 2 Torr range the resolution is Range Resolution 0 001 to ...
Page 8: ... wish to change the tube setting press and release the push button within 5 sec until the correct tube setting is displayed In about 5 sec the display will advance to the next program mode DO NOT PRESS THE MODE SWITCH AGAIN UNTIL THE MODEL 4 6 RETURNS TO THE MEASUREMENT MODE AND READS _or_ This takes about 50 seconds 5 2 CUSTOM CALIBRATION CAUTION The MODEL 4 6 will only accept two high calibratio...
Page 9: ...e DB 16D which is used with the DV 4 range or the DB 20 is which is used with the DV 6 range The DB 16D should have a marked calibration value between 0 01 Torr and 0 20 Torr The DB 20 should have a marked calibration value between 0 001 Torr and 0 010 Torr 1 to 10 millitorr You do not need access to the push button for this calibration procedure 5 3 1 Connect the Reference Tube to the AVC module ...
Page 10: ...on when tube was not at the correct pressure REMEDY Re configure MODEL 4 6 or activate Factory Reset 7 2 WARRANTY REPAIR Hastings Instruments will repair or replace at their option any vacuum product covered under the warranty expressed in Section 1 5 that is returned transportation prepaid to their plant in Hampton Virginia All products returned must be accompanied by the Service Form or a writte...
