Intrinsically Safe Drum Level Alarm

Features:Has a Stainless Steel pipe and BUNA float switch, protected with a SS float guard. BUNA rubber is compatible with most oils, non-aromatic hydrocarbons and fuels.Fits in 3/4" Bung (no Liquid Pipe).Always on duty because battery power is uninterruptible.Replaceable Lithium battery lasts for years.Loud buzzer is 101dB at 2 ft. (like a smoke alarm)Rugged. Built for rough, wet and corrosive environments.Low battery alert.Optional relay output.Class 1, Div. 1. Gas groups C and/or D. 60079-0 and 60079-11.Monitors high liquid level in drums by beeping and flashing.When there is a high or low level condition, the buzzer sounds and the beacon LED will flash. In the default mode, the user presses the button to silence the buzzer, and the LED continues to flash as a reminder. The 101 dB buzzer has a unique warbling sound cuts through factory noise so it will be heard. Different mountings are all adjustable by hand. Simply loosen the nut or thumbscrew and slide the alarm to the depth you want. Other mounting hardware available if needed.Different behaviors are field-selectable using DIP switches on the circuit board.Battery Power is uninterruptible and allows installation anywhere. No outlets, electricians, or inspectors needed. The Lithium batteries included and have a shelf life of 20 years. A 2400mA-hr capacity combined with smart software allows these to sound for 25 days straight! In typical situations the batteries will last for many years. When the batteries do run low, a unique low-battery signal is given. (different from the level alarm signals) Batteries are user-replaceable in the hazardous location.