Throw in Type Liquid Level Sensor Stainless Steel Probe Integrated Water Level Transmitter DC 12‑30V 4‑20mA 0‑4m / 0‑13.1ft Item Type: Liquid Level Sensor Material: 304 Stainless Steel, PVC Temperature Compensation: -10℃-70℃ Medium Temperature: -40℃-80℃ Ambient Temperature: -40℃-85℃ Measuring Medium: Liquid, Water Accuracy: 0.1%F.S, 0.25%F.S (Standard) Zero Temperature Drift: ±0.03%F.S/℃ Sensitivity Temperature Drift: ±0.03%F.S/℃ Overload: 200%F.S Long Term Stability: <0.2%F.S/year Natural Frequency: 5kHz-650kHz Protective Level: IP68 Product Advantages: 304 Stainless Steel Shell, Laser Label Printing High accuracy, isolated circuit board Micro Amplifier, output voltage, current, RS485 signal Strong anti interference ability, good long term stability