Nivobob
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NB 3000
gi130109
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Continuous level measuring system
NB 3000
Technical information / Instruction manual
page G
Operating conditions
Process overpressure
-0.3 ..+0.3bar (-4.4 ..+4.4psi)
-0.5 .. + 1.7 bar (-7.3 .. +25psi) optional
Process temperature
-40°C ..+80 /150 / 250°C (-40 ..+176 / 302 / 482°F)
Ambient temperature
-20°C .. +60°C (-4 .. +140°F)
-40°C .. +60°C (-40 .. +140°F)
CE, FM General Purpose
with internal heater
-40°C .. +60°C (-40 .. +140°F)
ATEX, FM Class II on request possible
max. +40°C (104°F)
Version with Process temp. 150°C (302°F)
Min. powder density
see "Sensor weight guide" on next page
Minimum time between
measuring starts
measuring height 5m (16ft )-> 3min
measuring height 10m (33ft) -> 6min
measuring height 20m (66ft) -> 12min
measuring height 30m (98ft) -> 18min
measuring height 40m (131ft) -> 24min
Rope/tape operating time
see page G38
Max. permitted tractive force
Tape version:
with brushless motor:
ca. 3000N
standard motor:
ca. 800N
Rope version:
with brushless motor:
ca. 1000N
standard motor:
ca. 800N
with increased corrosion resistance:
ca. 700N
Relative humidity
0-100%, suitable for outdoor
Altitude
max. 2000m (6.562ft)
Technical data
Approvals
Hazardous Locations*
ATEX II 1/2 D (zone 20/21)
FM Class. II, III Div.1 Gr. E-G
General purpose *
CE
EN 61010-1
FM
General purpose
EMC
EN 61326 -A1 (industrial standard)
* Depending on selected version in pricelist