SAMPI LC Sound User Manual
LC Sound
Specifications Sheet
The LC Sound is an ultrasonic air sensor, available
with 2”, 3”, 4” square flange. It continuously
monitors the presence of air/gas in a delivery, and
upon detection of gas the output relay is opened.
The typical application uses the output contact to
control valve, pump or can be connected to a
smart device. The technology guarantees accurate
deliveries with no pressure drop, both in terminal
and truck installations. The sensor uses an
ultrasonic transceiver to transmit a high frequency
pulse: the signal reaches the reflector placed on
the other side of the flange and then comes back
to the transceiver. The signal amplitude level is
proportional to the presence of liquid: if air is
detected, the output relay is opened.
Features
Fast response time (50 ms)
Auto-calibration
No periodic maintenance needed
No moving parts
Low weight
Small dimensions give a neat to simple installation
Negligible pressure drop resulting in quick and economical
deliveries
Eliminates the need of an “Air-check” valve after the meter (in
the meter version with n° 2 LC Sounds)
Can react to emulsified air in the delivery (foam detect)
Works with petroleum based products
Certifications
Electromagnetic compatibility EMC 89/336/CEE and successive laws
Explosive atmospheres ATEX 94/9/CE
Recommendations OIML (International Organization for Legal Metrology) R 117
Specifications
Power supply 10-30 Vdc
Power consumption < 1W
Degree of protection IP67
ATEX certification Eexd II C T6
Storage temperature -40°C to 85°C (-40°F to 185 °F)
Operating temperature -20°C to 60°C (-4°F to 140°F)
Output 1 output relay E.M. (max 250V, 2°)
Intervention time 50 ms
Material Aluminium alloy
Weight 1 kg (2.20 lbs)
Dimensions
Pipe
Diameter
2” 0 mm S3050-4
3” 0 mm S3050-4
4” 0 mm S3050-4
6” 48 mm S3050-12
8” 99 mm S3050-13
10” 150 mm S3050-14
12” 201 mm S3050-15
14” 252 mm S3050-16
16” 302 mm S3050-17
Extended Ultrasonic
Reflector Lenght
Part. No.
SAMPI spa
A unit of IDEX Corporation
Via Amerigo Vespucci, 1
55011 Altopascio (Lucca) – Italy
Phone: +39 0583 24751
Fax: +39 0583 264748
www.sampi.it
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