... corrugated pipe cover is optional)2.professional design can pass the vibration test.3.Operating temperature:-40~+ ... 190Ω , 240-33Ω, or customized as required; You can also choose current controlsignal, 0-20mA, 4-20mA or ... 5VDC, 0-5VDC,0-8VDC,0-10VDC, it can also be customized according to your requirements6. Applying ... 1 1/4”thread YES water level alarm sensor Lefei water level alarm sensor