Advanced Instruments 4D3 - Design Changes

The Advanced
®
3D3/4D3 Service Manual
30
Model 3D3
Osmometer Description
Model 3D3
Osmometer Description
No suffix Original model released.
April 1993
Serial Suffix ‘A’ CSA certification changes.
July 1993
Serial Suffix ‘B’ Changes to accommodate sharing
October 1993 parts with Mark 2.
Serial Suffix ‘C’ • Software for multi-language
March 1994 capability.
• Plug-in probe.
Serial Suffix ‘D’ 512K EPROM.
May 1994
Serial Suffix ‘E’ Software upgrade to add adjust-
April 1995 able buzz point.
Serial Suffix ‘F’ • Added CE/ETL marks.
December 1995 • Added surge arrester to power
entry.
Serial Suffix ‘G’ Cooling assembly change.
March 1996
Serial Suffix ‘H’ Software change to correct
August 1996 silicon ID acquisition.
Serial Suffix ‘I’ ---
omitted
Serial Suffix ‘J’ Painted underside of deck.
December 1996
Serial Suffix ‘K’ Paint changed to off-white.
May 1997
Serial Suffix ‘L’ • Power supply change.
June 1997 • Discontinued CSA.
Serial Suffix ‘M’ Reduce unit reset problem.
November 1977
Serial Suffix ‘N’ • Software change.
November 1997 • Low/High range correction.
Serial Suffix ‘O’ ---
omitted
Serial Suffix ‘P’ Correct reboot problem.
January 1998
Serial Suffix ‘Q’ 4-digit year display, for year
June 1998 2000.
Serial Suffix ‘R’ Sample well changed.
June 1998
Serial Suffix ‘S’ New IEEE display and new
October 1998 cable.
The serial number suffix (referred in this
manual simply as the suffix) indicates the
revision of the instrument. The charts below
list the major changes made at each revision
of the 3D3 Osmometer and the 4D3
Cryoscope.
Design Changes