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Scully SCUL-SENSE™ Stainless Steel High-Pressure Chemical Sensor

The stainless steel optic Scully ScuL-SenseTM sensors are intended for chemical product overflow prevention and point level detection.

On overland prevention sensors for xed tank trailer and storage tank applications, Scully provides a 5-year warranty. Scully sensors are produced at its U.S. factory, which takes pride in upholding stringent quality and safety standards, and have the longest history of safety in the sector.

They are made to work with loading rack control monitors from the ST-15, ST-35, and/or Scully Intellitrol® series. They can be applied to storage tanks, rail carriages, and road tankers to prevent overfilling.

There are 2 wire and 5 wire versions of these chemical sensors. The sensors are an essential part of Scully's patented and distinctive Dynacheck circuit architecture. Our overll protection sensor will deliver reliable failsafe monitoring when coupled with Scully electronic monitoring gear. Scully ensures a secure and dependable loading operation by continuously monitoring a "closed loop" pulsing signal over the entire system. This signal is disrupted and the controlling pumps and valves are switched off if increasing gasoline reaches the sensor. To stop the loading process, the operator is not required.

Scully stainless steel chemical sensors can withstand a variety of chemicals and are made of SS 316 Stainless Steel, Borosylicate (Pyrex® Glass), and SIMRIZ® O-rings.

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  • Features
  • Chemical Compatibility
  • Dimension
  • Technical Specifications
  • Ordering Information
  • Maximum safety is provided by dynacheck, which combines automatic and continuous self-checking circuitry with scully loading rack controls and onboard monitors for the vehicle.
  • 600 psi usable pressure limit.
  • A wide range of chemical compatibility.
  • A broad temperature range.
  • The shaft has wrench slots and is internally and externally threaded.
  • Scully controller compatibility complete.
  • As per directive 94/9/ec, atex clearances.
  • Groups c and d of class i, division 1 hazardous areas have received fm and csa approval.
  • Complies with api specifications. Rp-1004 is a recommended practice.
  • Can be used as a component of a sil system.
  • Gasoline
  • Jet Fuel (JP3, JP4, JP5)
  • Fuel Oils
  • Oils
  • Ethanol
  • Alcohols
  • Sodium Peroxide
  • Hydrogen Peroxide
  • Mineral Spirits
  • Arsenic Acid
  • Boric Acid
  • Carbonic Acid
  • Nitric Acid
  • Acetic Acid Glacial
  • Stearic Acid
  • Methyl Ethyl Ketone (MEK)
  • Phosphorus Trichloride
  • Methyl Bromide

NOTE: Compatibility is based on compatibility with sensor components. In rare cases, optical properties
of the chemical may interfere with proper operation. Always perform operational tests before deploying.

Temperature Range: -40° F to +140° F (-40°C to +60°C)
Product Range: Groups C & D hazardous materials and non-hazardous materials which are compatible with optic sensing technology. Consult the factory for specific chemical compatibility.
Exposed Materials: SS 316 Stainless Steel, Borosilicate (Pyrex®) Glass, SIMRIZ® Seal.
Detection Level and Size: Fixed, refer to diagram. The sensor may be adjusted to any length using 3/4″ stainless steel pipe and a pipe coupling.
Level Repeatability: ±1/16″ (1 mm)
Electrical Leads: 36″ (45 cm) long Teflon insulated wires, 22 AWG (0.33 mm2)
Cable Entry: Two holes, 1/2″ NPT threads.
Weight: Sensor: 15.5 oz (0.45 kg)
Holder: 2.8 lbs (1.27 kg)
Approvals: SIL Capable
North America: The sensor is intrinsically safe for mounting Class I, Division 1, Groups C and D Hazardous location in accordance with Scully Control unit approval ratings
International: The sensor is intrinsically safe for mounting in Zone 0 according to ATEX Directive 94/9/EC Ex ia IIB T5 Ga (-40°C ≤ Ta ≤ +60°C)
Part Number Description
 09375L1 SP-TO(SS) – Two-Wire Optic Stainless Steel Chemical Sensor only
09376L1 SP-FU(SS) – Five-Wire Optic Stainless Steel Chemical Sensor only
09376EL1 SP-FU(SS) “E”- Five-Wire Optic Stainless Steel Chemical Sensor (EN13922 wire colors)
 08585 SP-MHC(SS) – Stainless Steel Holder assembly with 3/4″ NPT thread (no sensor)
 09477 SP-MHCE(SS) – Stainless Steel Holder assembly with 3/4″ NPT, 2″ BSPT, M20 (no sensor)

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