Dixon Ads Overfill Overflow

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ADS Outalarms with Probe

Specifically designed for liquid terminal operation on batch loading and overfill protection, tank cars, tanks trucks, marine barges, suitable for open and closed dome

24”, 36”, 48” and 60” probe lengths standard, other lengths available

Wetted materials: 316 stainless steel, PTFE standard, other materials available

• totally self-contained; no wires, tubing or external power
• rugged weather and corrosion resistant construction
• no moving parts, tip sensitive phase shift™ digital capacitance sensor for conductive and nonconductive fluid, conductivity sensor with integral splash shield
• requires no calibration or adjustment
• adjustable insertion length through a standard 1/2 ” NPT fitting
• high intensity audible and flashing visual outputs
• optional opto-isolated solid state contact output
• full, hard graduated laser engraved rod
• A100 operates up to 2500 hours on a single 9V alkaline battery
• fail safe continuous battery monitor goes to alarm state on low battery
• battery current drain < 0.23 ma during standby; < 50 ma in alarm state

• minimum dielectric constant 1.7
• temperature range: capacitance probe: -14°F to 250°F (-26°C to 121°C) high-temp capacitance probe: -14°F to 325°F (-26°C to 163°C)
• activation point 1/4 ” above liquid surface
• compatible with any liquid or dry bulk material with a dielectric constant of 1.7 or greater
• horn intensity 101 dB at 2’
• light output 3 each 3000 mcd high intensity flashing LED’s
• pressure rating on standard unit: 50 PSI, consult Dixon® for applications up to 300 PSI

• intrinsically safe design per ANSI/UL913 for Class I, Div I Groups A, B, C and D Hazardous Areas

ADS Spillguard™ Systems

shutdown and alarm system for tank cars, tank trucks, barges and ships, suitable for open and closed dome

standard cable lengths: 15’, 25’ and 50’, other lengths available
insertion lengths 4" to 60" standard, other lengths available

wetted materials: 316 stainless steel and PTFE standard, other materials available
controller housing NEMA 4X, NEMA 7, Explosion Proof, Class I, II, Groups B, C and D

• rugged, explosion proof, weather, chemical and corrosion resistant
• LED status lights visible through glass cover
• inserts into tank through standard 1/2” NPT fitting
• probe can be portable or permanently installed in the vessel
• laser engraved graduated rod with ¼" graduations
• probe-to-controller cable protected by stainless steel interlocking armor sheath and heavy duty latching connectors at both ends
• fail safe design, unit trips in the event of an open or shorted cable or loss of power
• choice of capacitance, conductivity, ultrasonic, temperature or float sensors
• input power: 120 VAC, 240 VAC or 24 VDC, 2.5 watts
• output relay de-energizes on high level, broken or shorted sensor cables or loss of power
• sensor excitation open circuit voltage 8 VDC, short circuit current 8 MA with built-in FM approved barrier
• optional self test feature, tilt and ground verification interlocks and latching circuit available

• probe temperature range: -14°F to 212°F (-26°C to 100°C)
• probe pressure rating: 50 PSI with standard fitting, consult Dixon® for applications up to 300 PSI
• sensor suitable for Class I, II, III, Div 1, Groups A, B, C and D when used with supplied controller and cable lengths of 10,000' or less
• output relay contacts 2 form C (2PDT) rated 2 amps at 120/240 VAC, 1 form C (SPDT) with optional latching circuit and reset switch

• cable connectors designed for repeated mating meet IP 65 mechanical and environmental specifications
• FM, CSA HAZ Loc Class I Div I, Groups B, C and D

A210 Spillguard™ Monitors

ADS Spillguard™ Probes

Capacitance Probes

for materials with dielectric constant > 1.7, liquids, powders, slurries

probe: 316 stainless
housing: NEMA 4X, IP66

• 1/2” NPT sliding fitting standard, 3/4 ” fitting optional
• open dome adapter and washout fitting available
• tilt sensor optional

•capacitance probe: 250°F (121°C) maximum
•high temp probe: 325°F (163°C) maximum

• for conductive fluids such as acids and water based mixtures

• probe: 316 stainless, Hastelloy available for HCL service


• housing: NEMA 4X, IP66

• 1/2 ” NPT sliding fitting standard, ¾" fitting optional
• open dome adapter and washout fitting available
• pressure and tilt sensor options
• single electrode protected in housing
• dual electrodes exposed for

Float Probes

• for use with foaming, very low density, or highly viscousliquids

• probe: 316 stainless, Hastelloy available for HCL service
• housing: NEMA 4X

• single point standard, dual or multi-level float available
• open dome adapter and washout adapter available
• A100 battery powered monitor

Muti-Point Ultrasonic Probes

• Up to 5 sense points available
• pressure sensor
• ground verification
• tilt storage probe only active in vertical operational position

ADS Spillguard™ ultrasonic probes are built special order to customer specifications. Contact Dixon Bayco at 513-874.8499 to discuss with our technical specialists.

ADS Outage Gauges

• set level fill point for manual / visual fill control
• measure outage requirements on mobile tanks

• 316 stainless steel

• open dome bracket

Setting Outage on Closed Dome with A100LT Locating Tab

Setting Outage on Open Dome Operation

ADS Gauge Rods

• used to gauge liquid levels in any mobile tank

• 1/2” x .065 weight hardened 316 stainless steel

• laser engraved scale with 1/4” graduations
• rods come in two sections that screw together at the midpoint
• foot marks inscribed on rod at 1” intervals below the inch mark
• heavy duty plastic handle

ADS Spillguard™ Cables

• 3 or 5 pin connector
• 316 stainless steel armoured cable or yellow rubber cable
• custom lengths available, call 513.874.8499 or 877.582.3569 for more information

Rubber Cable1

ADS Parts and Accessories