... alarm in the central control room or the instrument console.B. Features.Once Sensor: composed of the float, test ... and junction boxes etc. Range: S-type ≤ 4M, G type, F type: ≤ 12MH1, H2 can not be less than ... 100mm.Operating temperature: G-type, F type: -40 °C ~ 120 °C, S-type: ... needs to make to order.Working pressure: G-type: 0.6 MPa, F-type: 0.25MPa, S-type atmospheric ...