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Overfill Protection & Liquid Level Monitoring
Industrial facilities that manage hazardous liquids face significant risks from tank overfill incidents. These events often lead to environmental contamination, serious safety hazards, and substantial financial losses. A study of 242 tank incidents from 1990 to 2004 revealed that 30% were caused by inadequate maintenance. Additionally, human error accounted for 35% of overfill incidents reported between 2000 and 2013. These findings highlight the urgent need for robust preventative measures and operational vigilance.
The ADS A100 Outalarm® offers a robust solution to mitigate these risks. This self-contained capacitance probe provides bright LED alerts and audible alarms, ensuring accurate liquid level detection and preventing overfill situations. With easy installation and durable construction, the A100 Outalarm® is designed to enhance safety and operational efficiency in industrial settings.
Investing in reliable overfill prevention technology like the ADS A100 Outalarm® is essential for safeguarding personnel, protecting the environment, and avoiding costly incidents. meeting ANSI/UL913 for Class I, Div 1 Groups A, B, C, and D Hazardous Areas. Trust it in any environment where safety is critical.
Key Benefits that Set the A100 Apart
All-in-One Tank Level Alarm System
The A100 combines a high-intensity audible alarm and ultra-bright LED indicators into one fully self-contained unit—no wires, no tubing, and no external power required.
Rugged, Weather-Resistant Durability
Built with a corrosion-resistant enclosure and 316 stainless steel probe, the A100 is designed for long-term, harsh-environment performance.
Spill Protection & Overfill Safety
With instant alarm activation, the A100 helps terminal operators prevent environmental spills and safety incidents during loadout.
Zero Calibration Needed – Plug and Protect
Featuring a digital phase shift capacitance sensor, the A100 accurately detects conductive and non-conductive liquids without calibration or adjustment.
Rapid Installation
Designed for speed and ease, the A100 uses a 1/2" NPT insertion fitting and adjustable insertion length for quick, secure setup.
Technical Specifications
•Temperature Range: Standard: -14°F to 250°F (-26°C to 121°C) High Temp: -14°F to 325°F (-26°C to 163°C)
•Min. Dielectric Constant: 1.82
•Materials: 316 stainless steel probe, PTFE standard
•Sound Output: 101 dB at 2 ft
•LEDs: Over 3,000 mcd high-intensity red flashing LEDs
•Pressure Rating: 50 PSI standard (Up to 300 PSI with custom options)
A100 Outalarm® with Probe
A100 Outalarm? with Capacitance Probe
Supplier Part #: A100C24A
24” 316 stainless steel ADS Outalarm with Capacitance Probe
A100 Outalarm? with Capacitance Probe
Supplier Part #: A100C36A
36” 316 stainless steel ADS Outalarm with Capacitance Probe
A100 Outalarm? with Capacitance Probe
Supplier Part #: A100C48A
48” 316 stainless steel ADS Outalarm with Capacitance Probe
A100 Outalarm? with Capacitance Probe
Supplier Part #: A100C60A
60” 316 stainless steel ADS Outalarm with Capacitance Probe
A100 Outalarm? with Capacitance Probe
Supplier Part #: A100C72A
72” 316 stainless steel ADS Outalarm with Capacitance Probe
A100 Outalarm? with Capacitance Probe
Supplier Part #: A100C84A
84” 316 stainless steel ADS Outalarm with Capacitance Probe
Gain peace of mind with a tank monitoring system that just works—no tuning, no downtime, and no surprises. Contact our team today to learn how the A100 Outalarm® can integrate into your terminal operation and eliminate your risk of spills.
Contact Us
Custom Hydraulics and Design
242 Dick Beam Road, Cherryville
North Carolina 28021


