4.1 Case
The case can be locked or tamper sealed with a padlock or seal on the door hasp.
4.2 Metrological protection modes
Item classifications
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Item classifications
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Access restriction Item 139 configuration options
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Event log full note
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Changing item 139
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Using MasterLink Software Application SQL to change item 139
4.2.1 Item classifications
Each item has a fixed classification – one of those below. Contact Honeywell for classification of each
item. These classifications pertain to the access restriction modes below.
Type ICB Dump
Terminology
When Writable Changes Logged Example
Always
Writable
OPEN Unless item 139 = 1 (Full
Read Only)
If and only if item
139 = 0 or 3
Display list
configuration
Read-Only READONLY Never (implicitly, per
their function)
Never Battery voltage
Change only
if Event
Logged
EVENT LOG If not in Metrological
Protection mode OR if
event log not full
Always Gas
composition
(item 53)
Change only
if no
restrictions
SEALED Only if not in
metrological protection
mode
Always (if changed,
but not possible
unless 139=0)
Calibration
4 Securing the device
4.1 Case
Honeywell 2024
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