Electronet’s series LCS-02 are capacitance type switch. The probe is based on properties of capacitor. Vessel wall & probe forms two electrodes. If vessel is of non conductive material, the probe will be double rod type. The distance between electrode & surface area of electrodes remain unchanged. The variable is the depth of the material being measured which represents the dielectric constant between two electrodes. Air & vacuume have relative dielectric constant as 1 & thet of liquids, it is greater than 1. The capacitor of the capacitor therefore depends on how much material lies between the probe & vessel wall i.e. whether the probe is covered with or free from material. The capacitor changes with change in level of the material & provides switching output at desired preset level.
Technical Specifications
Probe Length: As per requirement (max 300 mm)
Type of Output: Potential free Relay Contact – 1 no.
Contact Rating: 1 c/o, 1 Amp.
Accuracy: +/- 2% F.S.
Process Temperature: 250oC max
Process Pressure: 30 kg/cm2 max
Probe MOC: SS 316 with Teflon coating
Power Supply: 24 V DC, External
Power Consumption: < 6 VA
Response Time: < 1000 mSec
Temperature Coefficient: +/- 0.1% peroC
Transmitter Enclosure: Flame-proof, lP-65, llA, llB, CMRI Certified
Process Connections: Flanged / Threaded
Mounting: Top of the tank
Operating Conditions: Temperature 0 to 55oC / Humidity 5 to 95% non condensing
