SenTec

SRC400 Capacitive level gauge

SRC400 Capacitive level gauge is a new type of capacitive continuous level meter. Due to the use of radio frequency technology and microcomputer technology, the traditional capacitive level gauge solves the problem of large temperature drift, difficult calibration and fear of adhesion, and can be widely applied to continuous measurement of various liquid solid level and interface. Especially in the environment of high temperature, strong corrosion and dust, it is unmatched by other types of level gauges.

SRC400 Capacitive level gauge is a new type of capacitive continuous level meter. Due to the use of radio frequency technology and microcomputer technology, the traditional capacitive level gauge solves the problem of large temperature drift, difficult calibration and fear of adhesion, and can be widely applied to continuous measurement of various liquid solid level and interface. Especially in the environment of high temperature, strong corrosion and dust, it is unmatched by other types of level gauges.

working principle:

 When the liquid level sensing electrode is installed in the container, a capacitor is formed. The metal rod (measuring electrode) of the electrode serves as a plate of the capacitor. The container: (Note: If the wall of the container is insulating material, it should extend into the other electrode. , referred to as the reference electrode) as the other plate of the capacitor, when the level rises, the air or other gas normally enclosed between the two plates has a different dielectric constant, when measured

The material changes the dielectric capacity due to the change in dielectric properties between the plates. The RF capacitance level meter detects this change in capacitance through the RF circuit and converts it into a linear current output. The relative dielectric constant of the general process medium should be above 1.5.

Parameters

ITEMSPARAMETER
Sensor typecoaxial rod type, parallel rod type, coaxial cable type, parallel cable type
Sensor lengththe pole type is up to 2 meters and the cable length is up to 20 meters.
Sensor materiallCrl8Ni9Ti or 316 stainless steel, Teflon
Medium temperature-20 ° C ~240 ° C
Applicable pressure-0. 1MPa~32MPa
Measuring range0-0. 2-20m
Power supply12-36V/DC
Adjustment range≥30%
Ambient temperature-20~7 °C
Measurement accuracy±0. 5% FS
Measuring mediumnon-crystalline conductive liquid such as acid, alkali or water having a conductivity of not less than 10-3 s/m
Maximum load≤500Ω
Electrical interface1/2NPT
Shell materialdie-cast aluminum
Shell sprayingthe main part is milky white polyurethane, the end cover is dark green
Protection level IP65
Explosion-proof gradeExdIIBT6

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