High level drum alarms enable pumping into chemical drums without overfilling. When the liquid level in the drum rises above the protected float switch, a loud buzzer sounds, and an LED flashes. The alarms include a long-lasting lithium-ion battery for years of uninterruptible use and a low-battery alert. Adjusting the depth of the alarm is done by simply loosening the thumb knob on the lid and positioning the pipe to the desired depth by hand for a minimum of 2" and a maximum of 7" (alarm only) or 5" (alarms with liquid feed pipe). The float switch is protected inside the pipe from physical damage, making it easy to store and transfer to another container. Models are available with liquid feed tubes of varying sizes or without a feed tube. For systems with automatic filling, the alarms with the feeding tube are an excellent option, as the tube is inseparable from the float switch, guaranteeing the alarm stays with the feed pipe. These models have a slip-on cap for easy transferring from drum to drum and fit a 2" bung. The cap shields the bung opening from debris and suppresses noxious vapors, even liquid ammonia, and the secure compression tubing connection eliminates air leakage into feed lines. The alarms without the liquid feed pipe are ideal for manual filling applications and can fit a 3/4" bung. Accessories, including an AC power cord, 30-minute silencer button, relay output, and wireless transmitter/receiver, are available; contact us for a quote.
- 1/2" Schedule 80 polypropylene float pipe with 2" to 7" working depth (alarm only)
- 3/4" Schedule 80 polypropylene float pipe with 2" to 5" working depth (alarm with feed pipe)
- PVC lid/collar; Buna-N rubber drum plug gasket
- Battery-powered alarms can be conveniently located anywhere without wires or power outlets
- Easy to install
- Ruggedly built for rough, wet & corrosive environments
- No wetted metal parts
- Maximum temperature: 195°F