SPECTEC FLCLT- 10 are capacitance type level transmitters. The probe is based on properties of capacitor. Vessel wall & probe form 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 contact between two electrodes. Air & vacuum have relative dielectric constant as 1 & that of liquids, it is greater than 1. The capacitance of the capacitor the therefore depends on how much material lies between the probe & vessel wall i.e. Weather the probe is covered with or free from material. The capacitor changes with change in level of material & provides corresponding 4-20 Ma DC continuous output.
| Probe length | As per requirement(max 3 mtr.) |
| Type of output | 4 to 20 mA DC , 2 wire |
| Accuracy | ±2% F.S. |
| Linearity | ±2% |
| Probe MOC | 30kg/cm³ max. |
| Processes temperature | 250°C maximum |
| Power supply | SS316 with Teflon coating |
| Power consumption | 24 v DC, External |
| Isolation | 1.4 KV between I/O & P.S |
| Response time | < 6 VA |
| Temperature coefficient | <1000 mSec |
| Process connection | Flame-proof, [P-65, IIA, IIB,CMRI Certified] |
| Mounting | flanged or threaded |
| Operating conditions | Top of the tank |
| Optional | Temperature 0 to 55°C / Humidity 5 to 95%,Non-condensing |
| Local Display | 8x1 LCD |