Level sensor: 1.Output Singal: 0-190ohm 2.Mounting: BSP1 1/4" Thread 3.Length of ... according to customer's requirements. Output signal: Resistance control signal, 0~190Ω , 240~33Ω, or customized as required; You can also ... choose current control signal, 0~20mA, 4~20mA or Voltage control signal, 0.5~4.5VDC, 0~5VDC. Resolution range: 10~40mm ...