【Function
and Purpose】
Shengli
SL-480A underground pipeline detector can determine the running direction,
location and buried depth of various underground metal pipes and cables in a
quick and convenient manner without excavation.
This
device is widely used in such sections as urban gas, tap water, railway,
factories and mines, electricity, communications and municipal construction and
geological prospecting, which provides the basis for engineering exploration
and pipeline maintenance and repair.
【Characteristics】
1.
Multi-frequency transmission, high anti-interference, applicable to detection
of complicated pipelines;
2.
Signal application modes: induction mode and direct link mode, applicable to
different situations;
3.
Various response modes: twin coil maximum method, single-coil maximum method,
minimum method
4.
Various depth investigation methods: direct reading method, 80% method, 70% method,
and 50% method;
5.
Large-capacity battery pack: able to work for a long time and rechargeable;
6.
The display is provided with the backlight, able to work in emergency at night;
7.
Indication with left and right arrows, able to locate the pipeline quickly.
【Primary
Technical Parameters】
Receiver:
1.
Location accuracy: ±5％ of depth
2.
Depth investigation accuracy: ±5％ of depth (without interference from adjacent
pipelines)
3.
Current accuracy measured: ±5％ of actual current
4.
Measuring range of depth: ＜5 meters
5.
Working modes: single horizontal antenna maximum method, double-horizontal
antenna maximum method, vertical antenna minimum method
6. Working
frequencies: 50Hz, 512Hz, 8K, 33K, and radio
7.
Working temperature: -10℃-＋55℃
8.
Battery: 7.4V
Transmitter:
1.
Power output: 0-10W, adjustable
2.
Working frequencies: 512Hz, 8K, 33K
3.
Working modes: direct link, induction
4.
Battery: 12V lithium battery pack
5.
Working temperature: -10℃-＋55℃
【Principles
and Methodology】
Shengli
SL-480A underground pipeline detector has two working modes: passive mode and
active mode. The passive mode is used to search for unknown electrical cables
in a region, and the active mode is used to trace and locate the signal from the
transmitter.
There’re
two modes for applying signals: direct link and induction.
The
receiver is provided with three detection modes: single horizontal antenna peak
method, double-horizontal antenna peak method and vertical antenna zero method.
Notes: Shengli SL-480A underground pipeline detector has been upgraded to SL-480B
full-frequency pipeline detector; in case the damaged points on the coating are
to be detected (A-bracket is optional), please find “Shengli SL-580B
multi-purpose full-frequency pipeline detector”
