Nivelco Nivopress - Level probes for liquids:

Nivopress NPK - General Purpose:

Nivopress NCK - Sewerage/Black water:

Product Specifications:

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Nivopress NPK
Nivopress NPK - General Purpose.

Nivopress NCK
Nivopress NCK - Sewerage/Black water.

Description:

Nivopress NPK / NCK level probes are 2-wire 4~20mA submersible transmitters used for the hydrostatic measurement of levels in liquids. The pressure is converted into an electrical signal.
Applications include: level measurement in wells, boreholes, wastewater plant, vessels, and standing or running water.

Features:

Nivopress NPK - General Purpose: Nivopress NCK - Sewerage/Black water:
  • Stainless Diaphragm.
  • Housing; 145mm x ø22mm, stainless steel.
  • Protection; IP68.
  • Cable; polyurethane Ø 7mm.
  • Accuracy; on full scale, <0.5%.
  • Operating temp; -10~60°C.
  • Temp coefficient; ±0.05% / 10°C.
  • Output; 4~20mA, 2 wire, loop powered.
    UT = 12~30Vdc. HART programmable.
  • Load resistance; max. RL = UT-12V) / 0.02A.
  • Ceramic Diaphragm.
  • Housing; 145mm x ø40mm, stainless steel.
  • Protection; IP68.
  • Cable; polyurethane Ø 7mm.
  • Accuracy; on full scale, <0.5%.
  • Operating temp; 0~60°C.
  • Temp coefficient; ±0.05% / 10°C.
  • Output; 4~20mA, 2 wire, loop powered.
    UT = 12~30Vdc.
  • Load resistance; max. RL =(UT-12V) / 0.02A.

Ordering Information:

Nivopress NPK - General Purpose (programmable range): Re-range down to:
NPK-41-03 0~1 metre H2O, with 3 metres of cable. 0.5m
NPK-42-05 0~2 metres H2O, with 5 metres of cable. 0~1m
NPK-43-10 0~5 metres H2O, with 10 metres of cable. 0~2.5m
NPK-44-15 0~10 metres H2O, with 15 metres of cable. 0~5m
Note: Other ranges and cable lengths are available on request.
 
Nivopress NCK - Sewerage/Black water (fixed range):
NCK-22-05 0~2 metres H2O, with 5 metres of cable.
NCK-23-10 0~5 metres H2O, with 10 metres of cable.
NCK-24-15 0~10 metres H2O, with 15 metres of cable.
 
Common Accessories for Level Transmitters:
NAA-101 Terminal Box with filter.
Protection: IP65.
Size: 93 x 93mm.
NAA-102 Terminal Box with filter and integral OVP.
As above, with Overvoltage protection:
Voltage clipping: slow - 90 Vpp, fast - 33 Vpp.
Line resistance: 13 ohm.
Max rating: 600 W / 1ms.
NAA-209 Hanging Cable Clamp.
LPN-OVP (Rev 1) DIN Rail mount OVP unit.
For best possible protection in Lightning prone areas, we strongly recommend using OVP protection at both ends of the installation.
Our LPN-OVP overvoltage protection device is ideal for this purpose.

Terminal Box with filter
NAA-101/2
Hanging Cable Clamp
NAA-209

Note: A close proximity or direct lightning strike may compromise the OVP protection.

 

Example Installation in Tank:

 

Please Note: Intech Instruments Ltd are the New Zealand distributor for Nivelco products. Please contact the Nivelco distributor in your country if you require sales or service support for Nivelco products.