NIVOCAP 2-wire capacitive level transmitters provide an ideal solution for level measurement of conductive or non-conductive liquids. The probe of the instrument and the reference probe (which can be either the metal wall of the tank or installed separately) operate as opposing plates of a capacitor. Between the plates of this capacitor the air is replaced by a medium with greater dielectric constant than the air during filling the tank, therefore the capacitance is changing directly proportional to the level. The incorporated electronic circuitry measures the capacitance difference and converts it to an output signal proportional to level.
Operating Principle:
CapacitiveFeatures:
- 2-wire compact transmitter with HART protcol
- Rod or cable probes up to 65 feet
- Fully or partly insulated probes
- Secondary lightning protection
- 32 point linearisation
- High sensitivity
- Aluminium or plastic housing
- Explosionproof models
Application:
- Liquids, powders, granules with Er>1.5 relative dielectric constant
- Chemicals with dense gas layers above the surface
- Viscose or corrosive mediums
- High pressure, high temperature or vacuum
Specification:
- Power supply: 12-36 VDC
- Ambient temperature: – 13°F to +158°F
- Medium temperature: – 22°F to +392°F
- Pressure: max. 580 psig
- Output: 4-20 mA, HART
- Process connection: 1” or 1 1/2” or flanges
- Protection: IP67
- ATEX approval: II 1 G EEx ia IIB T6
