Repeatability Test; Lock Test - Honeywell 854 ATG Series Instruction Manual

4.2 Repeatability test

With the repeatability test the displacer is raised for approximately 75 mm (3") and then returns to the product
surface. During the test, the level dimension and level type on the display are replaced by exclamation marks
(!!! !!!) and the status field (I1) changes to TG. When the repeatability test is completed, the selected level
dimension and level type appears and TG is replaced by I1.
Item Name
TG
measurement.
The level reading before and after the test may not differ more than 1 mm (
Note:
A repeatability test can also be performed by holding the magnet in front of the display. Refer to sections
4.1.1 and 4.1.2.

4.3 Lock test

The lock test command brings the displacer to the position, programmed in item MZ (lock test limit switch
level).
During the lock test, the level dimension and level type on the display are replaced by exclamation marks
(!!! !!!) and the status field (I1) changes to LT. When the lock test limit switch level is reached, the status field
changes into BL (block).
Item Name
LT Lock test
The displacer will remain in one of these two positions until an unlock command (UN) is given.
Note:
A lock test can also be performed by holding the magnet in front of the display. Refer to sections 4.1.1 and
4.1.2.
Instruction manual 854 ATG
Description
Test gauge Performs a repeatability test on the level
Description
The Lock test raises the displacer to the programmed MZ position.
Then the gauge goes into block mode (BL).
If MZ is set higher than MH (motor limit switch high) the displacer
stops at the programmed MH position.
Operation
1
/ ").
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