[MBA_NKBD_EN] Rev.: 10/2015
31
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15. Technical data
Tab. 15.1
S p e c i f c a t i o n s
NKBD-6
NKBD-12
NKBD-18
NKBD-24
NKBD-30
NKBD-36
NKBD-42
Humidifying capacity *
Transducer
Power supply
Transformer
Humidifier**
Power consumption
Transformer **
kg/h
Unit
V / 50 Hz
V / 50 Hz
VA / 50 Hz
VA / 60 Hz
ST
3.6
6
230
48
185
220
250
7.2
12
230
48
375
448
500
10.8
18
230
48
555
660
800
14.4
24
230
48
735
875
1000
18.0
30
230
48
915
1089
1300
21.6
36
230
48
1095
1303
1600
25.2
42
230
48
1275
1518
1600
*
Humidifying capacity is dependent on the quantitative air flow rate through the humidifier (air ve-
locity in the duct), on the uniformity of flow over the entire fluid tank length, on the level of sup-
ply voltage under load (nominal 48 V), on the water temperature and on the cleanliness of the
fluid tank and the ultrasonic transducers (regular care).
**
The power output of the transformers stated is optimised for the NKBD types. Their power re-
serves are sufficient to bear the power consumption of a correctly laid supply cable with short
distance between humidifier and transformer. Nevertheless, it is advisable to check transformer
selection mathematically according to local conditions.
Tab. 15.2
S a f t y d e v i c e s
Dry-running protection
Overheating protection
Overflow protection
Voltage spike protection
Unterbrechungsschutz
If the water level falls below minimum in the fluid tank, the NKBD
switches humidification off automatically.
The NKBD switches off humidification at water temperatures > 60 °C.
If the NKBD fluid tank is overfilled, the excess water is drained off to
the outside through the overflow.
To suppress voltage peaks a transient suppressor diode works
from the tips.
In case of electrical interruptions between oscillator board and
US-transducer no defects occur.
Tab. 15.3
B e t r i e b s b e d i n g u n g e n
maximum air humidity
Air temperature
Pure water pressure
Pure water quality
Pure water conductivity
< 90 % relative humidity
– no condensation!
5 - 45 °C
1 - 4 bar
fully demineralised
5 - 20 µS/cm
