Overview of the Design Variations
Vacuum leak detectors VL(R) are available in different versions that are described more precisely
by the letters attached to them. The levels of availability and the possible combinations depend
on the device. Please contact our sales team. Phone +49 0271 48964-0, email sgb@sgb.de
VL(R) .. E FA P M MV LG LE S Si T
“Tightness alarm”
“Service Indication”: (LED) display
with variably adjustable service
periods
“Service display”: Integrated service
display with fixed 12-month interval
“LOD Ethernet”: Leak detector online
diagnosis remote monitoring with
Ethernet module
“LOD GSM module”: Leak detector online
diagnosis remote monitoring with wireless
module
“Solenoid valve” (MV): An MV with monitored
function can be connected for applications
with high pressure in the inner pipe.
“Manometer”: The leak detector is equipped with a
digital pressure indicator in the housing cover.
“Protected”: Leak detector version in a weather-
protected housing
“Filling level indicator” (FA): An electronic filling level in-
dicator is integrated in the leak detector
“Enhanced functions”: This version provides the option of con-
necting additional equipment, such as a solenoid valve and/or a
probe in the leak detector.
“..” = numerical value stands for the alarm vacuum of the leak de-
tector. The alarm pressures range from 34 mbar to 570 mbar.
“Vacuum Leak detector for pipes” (R). The leak detector operates with
negative pressure toward the atmosphere.
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