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NivoSWITCH series
Vibration fork level switches for liquids and powders
General
Level switches are the simplest form of level measurement instruments. However simple, a great number of technologies are offered to provide a full coverage of level switching applications. One of the most versatile technologies is the Vibrating Fork, offering significant benefits over other technologies. Nivelco now offers a revamped and extended range of the popular Nivoswitch, including models with short fork sections featuring increased vibration immunity.
Application
Applications under arduous conditions are possible due to the unique signal processing incorporated in the Nivoswitch, combining frequency and amplitude sensing for an unparalleled performance. Extreme application conditions such as vibrating vessels, turbulent liquid surfaces as well as light granules are routine tasks for the "intelligent" NivoSwitch.
Specifications
| NivoSwitch series |
| |
Standard |
Mini |
Ex |
| Housing |
Alu-cast or plastic |
Stainless steel |
| Output |
1 or 2 x SPDT relay |
2-wire AC |
PNP/NPN selectable |
Ex. 2-wire DC |
| Power supply |
AC 20-255V
DC 20-60V |
AC 20-255V |
DC 12-55V |
DC 15-27V
from switching unit |
| Process connection |
1" BSP/NPT, flanges, various hygienic fittings |
| Length of probe |
0.69 m to 3 m |
| Wetted parts |
Stainless steel, polished or ECTFE (Halar) coated |
| Ex protection |
- |
EEx ia IIC T4..T6 |
| Certificates |
WHG |
Download PDF brochure (1 mb)
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NivoSwitch series
Vibrating fork level switch
Features
- No moving parts
- Self-cleaning for most mediums
- Stainless steel, carbon steel and ECTFE coated probes
- Solid rod extension up to 3 m
- Stainless steel or Alu-cast housing
- Selectable sensitivity
- High or low fail-safe mode
Applications
- Most liquids with max. 10000 mm2/s viscosity
- Various output configurations
- 'Ex' versions available
- Corrosive, thick, turbulent, flowing liquids
- Powders and light granules with min. density 0.01 kg/dm3
Specifications
| |
Power
supply:
|
20-255VAC, 20-60VDC
|
| |
Temperature:
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-40°C to +130°C
|
| |
Pressure:
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max. 40 bar
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| |
Process
connection:
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1" flanges, hygienic fittings
|
| |
Output:
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Relay, 2-wire AC or DC (PNP,NPN)
|
| |
Protection:
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IP65 or IP68
|
| |
Approvals:
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EEx ia IIC T4..T6,
WHG
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