Gizmo Engineering DHP-7-1/4

<p><strong>Features: </strong> </p> <ul><li>2" NPS Plug Mounting Type. </li> <li>With attached tube guarantee the alarm stays with the feed pipe so an operator cannot forget it. </li> <li>Your tubing is secured with a polypropylene compression fitting to eliminate chance hose disconnection or air leaks. </li> <li>Float switch is protected inside a rigid pipe so it can get knocked around without worry. </li> <li>Adjustable depth with no tools required. Just loosen the thumb knob and slide the pipe to set the desired depth. </li> <li>Uninterruptible battery power works through power failures, can't come unplugged. </li> <li>Polypropylene is the standard material because it is suitable for almost all chemicals, it has very good toughness, and will tolerate temperatures up to 200?F. </li> <li>Built for tough industrial environments. Waterproof, acid -proof, PVC housing, with Lexan LED lens, stainless steel buzzer diaphragm. </li> <li>Always on duty because the liquid suction tube is permanently attached to the alarm unit. </li> <li>It can go anywhere because its battery powered. No need for power outlets. </li> <li>Uninterruptible battery power lasts for years. Lithium battery included. </li> <li>Loud warbling tone cuts through the loudest industrial noise. </li> <li>Rugged. Built for rough, wet and corrosive environments. </li> <li>Transfer to a drum is easy: no need to fiddle around with tube connections. </li> <li>A functional check is simple ? just lift the Drum Alarm out of the drum. </li> <li>No wetted metal parts. </li> <li>Has a threaded drum plug mount. 2" NPS thread. </li> <li>Working depth is adjustable from 2-7 inches using a thumbscrew. </li> <li>Liquid feed pipe is removable to allow the drum plug to unscrewed without winding the liquid tubing. </li> </ul> <p><strong>Chemical Resistance: </strong> </p> <ul><li>Aqueous Ammonia (conc.) </li> <li>Aqueous solutions to 100?C </li> <li>Hydrochloric acid (conc.) </li> <li>Nitric acid (30%) </li> <li>Oils (including waste oils) </li> <li>Potassium carbonate (40%) </li> <li>Sodium hydroxide (50%) </li> <li>Sulfuric acid 70% </li> <li>Sodium Hypochlorite </li> </ul> <p>Our overfill alarms for drums lets you pump liquids into chemical drums and containers without having to check the level. When the level gets above the float switch, a loud buzzer sounds and LED flashes to let you know. Easy to install the high level Drum Alarm: once the battery is installed, simply drop it into a drum and you're ready to go! No wiring. Lets you forget about overfilling for good. These liquid level alarms can be adapted to any drum. </p>