ISO 5764 Upgrade Kit
4D3101
(4D3 Instruments with Serial Suffix G through T)
Contents:
1 4D3102 Non-Metallic Sample Probe Kit
1 716824R Model 4D3 Software Upgrade
Kit
Overview:
This kit provides the materials necessary to
upgrade an Advanced Instruments Model 4D3
Cryoscope, serial suffix G-T, for compliance
with the requirements of the new ISO 5764:
Milk -- Determination of Freezing Point stan-
dard.
The new ISO 5764 plateau-seeking method
affects two elements of the Model 4D3
cryoscope:
• The software used to control the process
and determine the final reading has been
updated to comply with the require-
ments of the standard.
• The sample probe is now manufactured
with a non-metallic shaft.
NOTE: To comply with the new ISO 5764
standard, both the new non-metallic
probe and the new software must be
used.
Instruction:
1. Replace the sample probe according to
the instructions contained in the 4D3102
Sample Probe Replacement kit.
2. Upgrade the cryoscope firmware accord-
ing to the instructions contained in the
716824R EPROM Replacement kit.
3. Configure the Model 4D3 to the new ISO
5764 standard by selecting Setup menu
item #10, “Select Plateau Mode”, and
then selecting ISO 5764. (See Changing
operating settings in the User’s Guide.)
For additional information or technical assistance,
please contact Advanced Instruments Hot-Line
®
Service Center (U.S. 1-800-225-4034, outside
North America +US 1-781-320-9000).
4D3P01 Rev0
(4D35 Service Manual)
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