Kobold NBK-ATEX, Operating Instructions Manual

Page: 4 / 57

NBK-03 to -33 ATEX
page 4 NBK-03 to -33 ATEX K10/0322
Classification according to Pressure Equipment Directive 2014/68/EU
NBK-03 to NBK-33
Category assignment for not dangerous media (from diagram 2)
Density
[kg/dm³]
PN
[bar]
Kategorie ML
[mm]
Category ML
[mm]
Category ML
[mm]
Category ML
[mm]
NBK-03
1,0
16
← Cat. I →
4711
← Cat. II →
6000
← Cat. III →
6000 - / -
0,9/0,8/0,7/
0,6/0,54
4600 6000 6000 - / -
NBK-06
1,0
40
1698 6000 6000 - / -
0,9/0,8/0,7 1588 6000 6000
- / -
NBK-07
1,0
63
1060 6000 6000
← Cat. IV →
∞
0,9/0,8/0,7 950 6000 6000 ∞
NBK-10
1,0
100
577 4084 6000 ∞
0,9/0,8 467 3974 6000 ∞
NBK-31
1,0
160
≤2090 5600 - / -
0,9 ≤2020 5600 - / -
0,8 ≤1900 5400
- / -
NBK-32
1,0
250
≤1180 4410 5600
0,9 ≤1110 4340 5600
0,8 ≤985 4220 5400
NBK-33
1,0
320
≤1040 4090 5600
0,9 ≤970 4010 5500
0,8 ≤830 3870 5400
ATTENTION! If the calculated bypass length is exactly within the range limit, then the stricter test method must be used
3. Instrument Inspection
Instruments are inspected before shipping and sent out in perfect condition.
Should damage to a device be visible, we recommend a thorough inspection of the
delivery packaging. In case of damage, please inform your parcel service /
forwarding agent immediately, since they are responsible for damages during
transit.
Scope of delivery:
The standard delivery includes:

Bypass Level Indicator model: NBK-…
4. Regulation Use
Any use of the Bypass level Indicator, model: NBK, which exceeds the
manufacturer’s specification, may invalidate its warranty. Therefore, any resulting
damage is not the responsibility of the manufacturer. The user assumes all risk for
such usage.
The NBK Bypass Level Indicator is used for continuous measurement, indication,
and monitoring of liquids in tanks, vessels, reservoirs, basins etc. The indication
occurs via a magnetically coupled roller indicator.