Capacitive Level Sensors (SD 1351) 
PART No. TCSA111A_ _ _ (length)
Length 250mm Price Each: $760.00 list
Length 500mm Price Each: $825.00 list 
Stock Level = 1 piece of each
Omron have deleted this product from their range & this is a suitable replacement. | Model | SA111 A/B/C(Standard Type) | | Operating Temp. | -20°C ~ 80°C | | Probe Material | SUS 304 | | Insulated Material | UPE | | Connection | 1” BSPT | | Sensitivity Range | 10pf (std) | | Weight | Approx. 1.9kg | | Housing Spec. | Aluminium IP65 | | Supply Voltage | 110/220VAC+/-10% | | Delay Time | 0 ~ 6 seconds | | Power Consumption | 2W | | Contact Rating | 5A/240VAC | Principle
The capacitance level sensor measuring principle is based on the physical properties of a capacitor formed by the sensor and the vessel wall, the electric capacity is affected by the dielectric value of products. When the sensor is not covered, the dielectric constants = 1 (Air is usually = 1) when the sensor is covered, the dielectric constant will increase capacity, the electronic oscillator (1 MEGA Hz radio frequency) will create a resonating signal, which will turn the unit on or off for level control purpose. | 
