GB
18
C. Operating unit
1. Proper use
Caution!
Device failure by corrosion!
Use the operating unit BE1 V or Ex-BE1 V for applications in aggressive environments.
Caution!
The electromagnetic compatibility of the device is compatible with the radiated interference and
interference immunity for residential and industrial areas. To avoid interfering influences in a
decentralised installation of individual modules, only use data cables from the Lutz company and route
the data cables separate from low-voltage lines.
Type BE1 BE1 V Ex-BE1 Ex-BE1 V
Display 6-digit LCD-display, 19 mm character height
Quantity l, US-G, IMP-G
Flow rate l/min, US-G/min, IMP-G/min
Change battery, function mode, individual quantity,
total quantity, number of filling processes
Functions • Reset partial quantity and total quantity
• Automatic calibration
• Storing differing calibration factors
• Lock keys against unauthorised access
• Changeover to manual or automatic mode with relay module (optional)
• Cycle counter
• System protection through detection of faults
• Advance cut-out
Type of protection IP 54 in combination with flow meter or optional modules
Power supply 3 x 1.5 V alkaline manganese batteries or by relay module, mains unit
Explosion protection class - - II 2G EEx ib IIA T4 II 2G EEx ib IIA T4
Use in aggressive areas not recommended suitable not recommended suitable
Electronics replaceable completely replaceable completely
potted potted
Repairs yes no yes no
Weight 200 g 300 g 220 g 310 g
Order No. 0212-001 0212-003 0212-002 0212-004
1.1 Technical data
C. Operating unit
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