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Digital AVC Instruction Manual
Accessories
1.3.1.
Installation Accessories
Teledyne Hastings Instruments offers a complete line of system attachments that permit easy
maintenance for contaminated operations. Gauge tubes are offered with various system fittings to match
almost any system requirement. Additionally, Teledyne Hastings' complete line of quick disconnect
attachments allows customers to install these special fittings and easily replace sensors without vacuum
sealant or Teflon® tape. For particularly dirty systems, Teledyne Hastings offers a particle dropout trap
containing a series of nine separate baffles which prevent solid contaminants from having a direct path
to the sensor's thermocouple.
1.3.2.
Calibration Reference Tubes
Reference Tubes employ the same metal thermopiles used in all THI Vacuum Gauge Tubes. The thermopile is sealed
in a glass capsule that has been evacuated, baked, outgassed, and aged to ensure long-term stability. The sealed
capsule is housed in a rugged metal shell to provide a trouble-free assembly. The reference gauge tube is calibrated
to simulate a gauge tube at a given operating pressure (noted on the shell), and provides quick and easy adjustment.
1.3.3.
Accessories Index
Gauge Tubes – 20 Torr Range
EAR99 Technology Subject to Restrictions Contained on the Cover Page
DAVC Compatible Reference Tubes
Hastings #
Model Name
55-101
DB-16D
55-103
DB-18
55-104
DB-20
Vacuum Gauge Tubes
Stock #
Model #
55-19
DV-4D
55-19R
DV-4R
55-258
DV-4D-KF-16
55-266
DV-4D-KF-25
55-227
DV-4D-VCR
55-69
DV-34
55-101
DB-16D
Hastings Tube
Color Band
DV-4
Purple
DV-5
Red
DV-6
Yellow
Description
1/8" MNPT Standard (Purple Base)
1/8" MNPT Ruggedized
TM
KF-16
KF-25
TM
TM
VCR
1/8" MNPT 316SS
Ref Tube (DV-4)
Page 7 of 17
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