SGB VLXE Ex M Series, Documentation, Page: 9 / 56

28/07/2020
VACUUM LEAK DETECTOR VLXE .. Ex M and VLXE .. Ex MMV - 9 -
3. Technical Data of the Leak Detector
3.1 General Data
Dimensions and drilling pattern see Section 12.3
Weight 10 kg
Storage temperature range -40°C to +60°C
Operating temperature range -40°C to +55°C
Buzzer volume 105 dB with external horn
Housing protection class IP 54
Version without solenoid valve ≤ 5 bar
(feed pressure)
with solenoid valve > 5 ≤ 25 bar
(feed pressure)
with solenoid valve and
additional pressure switch > 25 ≤ 90 bar
(feed pressure)
3.2 Electrical Data
Power supply 100 to 240 V AC, 50/60 Hz
or: 24 V DC
Power input 50 W (incl. heating)
Terminals 5, 6, external signal: max. 24 V DC; max. 300 mA
Terminals 11 – 13, potential free: DC ≤ 25 W or AC ≤ 50 VA
Fuse protection: max 2 A (1500 A)
Overvoltage category: 2
3.3 EX data
Leak detector
II 1/2(2)G Ex db eb ib [ib Gb] mb IIB+H
2
T4 Ga/Gb
with F 501:
II 1/2(2)G Ex db eb ib [ib Gb] mb IIB3 T4 Ga/Gb
with F 502:
II 1/2(2)G Ex db eb ib [ib Gb] mb IIC T4 Ga/Gb
3.4 Switching Values
Type Alarm ON, at
the latest:
Pump OFF,
not more than:
Functionality* of the
interstitial space given
for
34 - 34 mbar - 120 mbar - 650 mbar
230 - 230 mbar - 360 mbar - 650 mbar
255 - 255 mbar - 380 mbar - 650 mbar
330 - 330 mbar - 450 mbar - 700 mbar
410 - 410 mbar - 540 mbar - 750 mbar
500 - 500 mbar - 630 mbar - 850 mbar
570 - 570 mbar - 700 mbar - 900 mbar
Special values can be agreed upon between the client and SGB.
Overpressure alarm (VLXE .. Ex MMV) at + 50 mbar
* fundamental lower values are possibly valid for double-walled steel
tanks, if need be with the use of an underpressure valve
Technical Data