42
9.
STORING AND TRANSPORTATION OF THE TOOL
It is necessary to store the level gauge in a special package in dry
heated rooms; the ambient temperature should be in the range from -10
С
up to +40
С and the air humidity content should be not more than 80%.
It is permitted to transport the tool in a special package with any type
of transportation when the ambient temperature is in less than — 50
С or
more than +50
С.
While transportation, avoid strong vibration and impacts.
When storing the tool, it is necessary to inspect the voltage of the
built-in battery cell once per month and, if necessary, to charge it. The cell
charging is allowed only when the ambient temperature is above zero!
SUPPLEMENTS
Supplement 1.level monitoring under complicated conditions
In some situations it is difficult to detect an acoustic signal reflected
from the fluid level accurately and, consequently, it is difficult for the tool
to render automatic determination of the fluid level reliably. Some reasons
for this, recommended measurement techniques and modes and methods of
result analysis are described in the given supplement.
Supplement 1.1. Recommendations on measurements
under complicated conditions
Factors making automatic determination of a level to be more
difficult are as follows:
1. A high fluid level (not deeper than 30 m)
from the wellhead makes a period of
acoustic transient signal response to be
shorter than the duration of the signal itself
A response arrives on the
initial signal background, and,
therefore, it is difficult to
detect it.
Содержание SUDOS-mini 2
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