The DRUM ALARM for HIGH LIQUID LEVEL alerts your attention to full drums with a bright flashing LED and a loud beeper when
liquid level is high. Just drop it in a drum and never overfill again!
A Better Overfill Alarm...
- Always on duty because the liquid feed tube is permanently attached to the alarm unit.
- Loud warbling tone cuts through the loudest industrial noise.
- Rugged. Built for rough, wet and corrosive environments.
- A functional check is simple - just loosen the cord grip and lift the Tank Alarm out.
- Transfer to a new drum is easy: No need to screw in threads or fiddle around with tube connections, just drop in.
- Safe. 9 volt circuit in a waterproof enclosure.
- No wetted metal parts.
- It can go anywhere because it is battery operated. No need for power outlets.
- Uninterruptible battery power lasts for years.Lithium battery always included.
for drums lets you pump liquids into chemical drums and containers. The high level Drum Alarm is quick and easy to
install - lets you forget about overfilling forever. Simply drop it into a drum and you're ready to go! No wiring.
- The Mounting Cap on the DHL-1 Drum Alarm makes it easy to switch to a new drum when the old one is full since you don't have to
disconnect tubing while you unscrew a cap - it just drops over the bung. The cap keeps debris out of the drum, and suppresses vapors even liquid
ammonium hydroxide is not a problem.
- Attached Feed Tube on the DHL-1 Drum Alarm makes sure the alarm stays with the alarm. Your tubing is secured with a foolprooof
all-polypropylene compression fitting to eliminate chance of spillage due to hose disconnection.
- Float is protected inside a rigid pipe so it can get knocked around without worry. Screen protects float from debris on model DHL-1.
- Uninterruptible battery power works through power failures, can't come unplugged, or be defeated. And because the Tank Alarms
don't use any power until alarming, the batteries last for years. further discussion.
- Any Depth. Standard level alarm depths available up to 5 ft. Custom depths have been made 20 feet deep.
- Different Materials: PVC, Polypropylene, PVDF, Stainless Steel.
- Different models
- DHL-1 includes a 1/2" PVC liquid feed pipe to pump liquid into a drum. The cap slips over a standard 2" drum bung. Alarm depth is
fixed at 1" below top of the drum. Polypropylene float and PVC pipe.
- DHA-5 liquid feed pipe and a cap like the DHL-1 but depth can be adjusted with a thumbscrew from 1-5". Polypropyelene wetted parts. (float and pipe)rew.
Polypropyplene wetted parts. (float and pipe).
- DHP-7 has a liquid pipe and mounts on the drum with a 2" NPS threaded plug. Working depth is adjustable from 1-7 inches using a thumbscrew.
Polypropylene wetted parts.
- DHK-7 is an alarm only and does not have a liquid pipe. Mounts on the drum in the 3/4" threaded bung. Can be adjusted from 2" to 7" maximum depth from the
top. All polypropylene wetted parts.
- DHQ-7 is an alarm only with no liquid pipe. Mounts on a drum using a 2 inch NPS plug. (the fine threads) Depth adjustment from 2-7 inches from the top.
Polypropylene wetted parts. Can be adapted to the coarse threads with a buttress adapter. (see options)
- Everything Included - Every unit includes a threaded bushing to adapt the 1" NPT threads for the cord grip to 2" NPT.
threads. Lithium battery is included.
Shutoff Box SH-1
The illuminated button silences buzzer. LED flashes until level is corrected. Resets automatically. Low battery alert.
Silencing Button / Low Battery Alert SL-1
Button silences the audio alarm while LED continues to flash. Resets automatically. Includes a low battery warning.
Button also tests the unit.
Relay Output with Cord RL-AC
Switches a relay to control pumps or solenoids. Silences and test alarm. Piggyback plug makes hookup easy.
AC Power Cord C-NA
When plug-in AC power is preferred. Comes with 3 prong plug and 8 foot rubber jacketed cord. Power convertor inside box.
Rim Mount Bracket MB-R
A bracket designed for mounting on open top tanks and containers. 1.3 inch diameter hole accepts adjustable collar.
Beacon LED BL-x
Higher visibility strobing light illuminates when a cycle is over. Colors: Red, Blue, Amber, and Green.
Check Valve CV-V
Optional check valve for use with diaphragm pumps. Stops the liquid from draining out of the feed pipe during
transfer to a new container. Eliminates re-priming pump.
PLC Output PLC
A circuit board allows you to select N.C. or N.O. output to your PLC. Includes button to silence buzzer. Includes 10 feet of communications cable.
Wireless Transmitter & Receiver W2
Wireless transmitter inside the level alarm sends a wireless signal to the receiver. Buzzer and relay in receiver.
Siren Alarm Box SA-1
Siren alarm gives an extremely loud signal. Suitable for entire buildings.
Different Buzzer Tones BZ-xx
Different buzzer tones to audibly identify different units. (Chime, Stucatto, Whoop, Beep)
Waterproof Screw Lock Connector CN-2
For units with a cable. Makes it easy to connect and disconnect.
Buzzer Volume Control V-1
Snap-on muffler reduces the volume by 20 dB and anywhere in-between just by rotating the slots.