Hengesbach NC1 Level Module


Hengesbach NC1 Level Module is a self-adjusting level module designed for installation into the head of a conductive measuring sensor. The NC1 is used for product and foam detection. A low- and high-resistance switch output enables “full” and “empty” messages to be sent for liquids with a high or low conductivity.

It can even be used for foaming liquids. Intricate adjustments of the NC1 and adaptation to the various product conductivities, tank geometries and electrode lengths are no longer required. The NC1 finds its own switch points, using innovative methods.

In addition, the NC1 is protected against reverse polarity of the supply voltage and against output overload. The outputs are low-active, so that the output signal will be triggered even if there is a drop in voltage or if the wire breaks. The operating mode, i.e. high-level or low-level, is determined via a link plug.

Hengesbach NC1 Level Module Features:

  • self-adjusting level module for product and foam detection
  • for installation into the NKS level sensor
  • connection to SPS possible
  • low installation costs

Hengesbach NC1 Level Module Specification:

Operating voltage DC24V ± 25%
Current consumption < 5mA plus output currents
Switch points 2, low- and high-resistance
Resistance ranges 30 Ω … 300k Ω
Conductivity range 33mS … 3.3µS
Output signals low-active
inactive approx. 1V when applying operating voltage
active disconnected
Output load max 200mA (sum of both outputs)
Diameter < 43mm
Height < 21mm (incl. terminals)
Weight approx. 20g
Environmental conditions
Temperature -20°C … +85°C
Humidity -20°C … +85°C
Installation into conductive level sensors of the type NKS 11 and NKS 13
Terminal connection + and –   connections for operating voltage DC 18V … 30V
E unused
1 product detection, low active output signal for the low-resistance switchpoint
2 foam detection, low active output signal for the low-resistance switchpoint
Link plug HL full message (high level)
LL empty message (low level)

Download Data Sheet: Level Module NC1 Series

Ref: Hengesbach.com

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