Portable Liquid Level Sensors
Models SP-PY, SP-PYH, and SP-PYFU
Featuring Dynacheck® – Automatic and Continuous Self-Checking Circuitry
DESCRIPTION
The SP-PY, SP-PYH, and SP-PYFU liquid detection sensors are single point sensors, and are used in numerous top loading applications such as rail cars and chemical trailers. They provide overll protection by determining when liquid product has reached a predetermined level in the tank compartment.
These sensors are intended for use with Scully control monitors, which incorporates Dynacheck®. Dynacheck® circuitry monitors the sensor, wiring, connections, and its own operation 30 times per second. When a sensor comes in contact with liquid, or if an unlikely fault occurs within the system itself,
Dynacheck® signals for the immediate shutdown of the loading operation and/or sounds an audible alarm.
The SP–PY and SP–PYFU sensors are used in unheated liquids. The SP–PYH sensor is used in heated liquids. Each model has an adjustable clamp or coupling depending on its intended use.
Scully SP-PY, SP-PYH and SP–PYFU sensors are portable style units which connect to the rack via a plug and cable. A socket is mounted to the rack for this purpose. They may also be wired directly. They are hung at the rack location or stored elsewhere when not in use. The sensor is inserted into the tank compartment. An adjustable clamp or coupling lets you determine the sensing level and holds the sensor in place in the tank.
Scully portable sensors are available in aluminum or stainless steel. Units with connection cables that detach from the rack location are also available.
The SP-PY and SP-PYH sensors are compatible with Scully ST-15 series control monitors which have housing and indicator options. Consult data sheets #60629. SP-PYFU sensors are compatible with Scully ST-35 series control monitors. Consult ST-35 data sheet #67253.
FEATURES AND BENEFITS
- Incorporates Dynacheck® automatic and continuous self-checking circuitry when used with Scully control monitors.
- Signals for the immediate shutdown or sounds an audible alarm when the vehicle is fully loaded.
- Adjustable sensing depth.
- Uses proven thermistor or optic sensing technology.
- Stores easily at the rack location.
- Can be used for a wide range of liquid products.
- Over 25 years of reliable operation.
TECHNICAL SPECIFICATIONS
Temperature:
- SP-PY;-40° to +120°F(-40°to +48°C)
- SP-PYH;0° to +200°F(-18°to +93°C)
- SP-PYFU;-40° to +140°F (-40°to +60°C)
Construction:
- -SP-PY and PYH wetted parts (Pyrex®): Aluminum, Viton®, Borosilicate glass.
- -SP-PY(SS) and PYH(SS) wetted parts: 316 stainless steel, Teon®, borosilicate (Pyrex®) glass.
- -SP-PYFU wetted parts: Aluminum, Viton®, Epoxy. All model have Stainless Clamp screws.
Level Repeatability: +/- 1⁄16″ (1.6mm)
Size: Refer to diagram
Cable: 20′ (6m) fuel resistant
Scully SP-PY, SP-PYH, and SP-PYFU portable sensors are part of an intrinsically safe system using entity parameters in conjunction with Scully control monitors approved by FMC.
The intrinsically safe outputs of these control units allow the sensors to be used in Class I Division 1, Group D Hazardous Locations. Consult Scully for other specic details.
Cane-Sensor
ScuL-Sense™ Five-Wire Optic Sensor
Liquid Level Sensor for Tank Truck Overll Prevention
Featuring Dynacheck® – Automatic and Continuous Self-Checking Circuitry
DESCRIPTION
Scully ve-wire optic sensors are purpose-built for liquid petroleum product overll prevention and point level detection.
They are designed to be used with the Scully Intellitrol® and ST-35 series loading rack control monitors. The sensors can also be used with the Scully IntelliCheck® II Monitor or Scully Load
Anywhere® Truck Monitor. There is no waiting for the control monitors’ permit light to go on because the sensor requires no warm up time. Overll prevention applications include road tankers, rail cars and storage tanks.
The five-wire optic sensor is a critical component in Scully’s unique and patented Dynacheck circuit design. When used in conjunction with Scully electronic monitoring equipment, our overll protection sensor will provide consistent failsafe monitoring. By constantly checking a “closed loop” pulsing signal across the entire system, Scully ensures a safe and reliable loading operation. If rising fuel contacts the sensor, this signal is interrupted and the controlling pumps and valves are shutdown. No operator involvement is needed to end the loading operation.
FEATURES AND BENEFITS
- Maximum safety with Dynacheck— Automatic and continuous self-checking circuitry when used with Scully electronic rack and vehicle onboard monitoring systems.
- Scully’s eld-proven electro-optics technology.
- Wide Temperature Range.
- Adjustable Sensing Level.
- Instant-On™—Instant permissive signal. No warmup time required.
- Quick purging of liquid—”fast” repermit as product level drops below the sensing point.
- Fully compatible with all Scully optic controllers.
- FM approvals for Class I, Division 1, Groups C and D hazardous locations in the US and Canada.
- Meets requirements of API Recommended Practice RP-1004.
TECHNICAL SPECIFICATIONS
- Operating Temp. Range: -40°F to +140°F (-40°C to +60°C)
- Petroleum Product Range: Gasoline blends & light fuel oils Exposed Materials: Aluminum, zinc, borosilicate (Pyrex®) glass, epoxy, conductive nylon and Viton® seals
- Level Repeatability: ±1⁄16″ (±1 mm)
- Electrical Leads: 18” (45cm) long, 22 AWG (0.33 mm)
- Cable Entry: Two holes, 1⁄2″ NPT threads
- Detection Level and Size: The detection level is adjustable, refer to sensor outline drawing above, shown for 7″ shaft length
Approvals:
The sensor is intrinsically safe for mounting in Class I, Division 1, Groups C & D Hazardous location in accor dance with Scully Control Unit approval ratings
ORDERING INFORMATION
5Wire-Optic_FM
ScuL-Sense™ Two-Wire Optic Sensor
Liquid Level Sensor for Tank Truck Overll Prevention
Featuring Dynacheck® – Automatic and Continuous Self-Checking Circuitry
Scully two-wire optic sensors are purpose-built for liquid petroleum product overfill prevention and point level detection.
They are designed to be used with the Scully Intellitrol® and ST-15 series loading rack control monitors.
The sensors can also be used with the Scully IntelliCheck® II Monitor. There is no waiting for the control monitors’ permit light to go on because the sensor requires no warm up time.
Overfill prevention applications include road tankers, rail cars and storage tanks.
The two-wire optic sensor is a critical component in Scully’s unique and patented Dynacheck circuit design. When used in conjunction with Scully electronic monitoring equipment, our overfill protection sensor will provide consistent failsafe monitoring. By constantly checking a “closed loop” pulsing signal across the entire system, Scully ensures a safe and reliable loading operation. If rising fuel contacts the sensor, this signal is interrupted and the controlling pumps and valves are shutdown. No operator involvement is needed to end the loading operation.
FEATURES AND BENEFITS
- Maximum safety with Dynacheck—Automatic and continuous self-checking circuitry when used with Scully electronic rack and vehicle onboard monitoring systems.
- Scully’s field-proven electro-optics technology.
- Wide Temperature Range.
- Adjustable Sensing Level.
- Instant-On™—Instant permissive signal. No warmup time required.
- Quick purging of liquid—”fast” repermit as product level drops below the sensing point.
- Fully compatible with all Scully thermistor controllers.
- FM approvals for Class I, Division 1, Groups C and D hazardous locations in the US and Canada.
- Meets requirements of API
- Recommended Practice RP-1004.
TECHNICAL SPECIFICATIONS
- Operating Temp. Range: -40°F to +140°F (-40°C to +60°C)
- Petroleum Product Range: Gasoline blends & light fuel oils
- Exposed Materials: Aluminum, zinc, borosilicate (Pyrex®) glass, epoxy, conductive nylon and Viton® seals
- Level Repeatability: ±1⁄16″ (±1 mm)
- Electrical Leads: 18” (45cm) long, 22 AWG (0.33 mm)
- Cable Entry: Two holes, 1⁄2″ NPT threads
- Detection Level and Size: The detection level is adjustable, refer to sensor outline drawing above, shown for 7″ shaft length
Approvals:
The sensor is intrinsically safe for mounting in Class I, Division 1, Groups C & D Hazardous location in accordance with Scully Control Unit approval ratings.
ORDERING INFORMATION
2Wire-Optic_FM
ScuL-Sense™ Stainless Steel High Pressure Chemical Sensor
Liquid Level Sensor for The Chemical Industries
Featuring Dynacheck® – Automatic and Continuous Self-Checking Circuitry
DESCRIPTION
Scully ScuL-Sense™ stainless steel optic sensors are designed for Chemical product overll prevention and point level detection.
Scully offers a 5-year warranty on overll prevention sensors for xed tank trailer and storage tank applications. Scully sensors have the longest running safety record in the industry and are manufactured in Scully’s U.S. factory, which prides itself on its strict quality and safety standards.
They are designed to be used with the Scully Intellitrol®, ST-15, and/or ST-35 series loading rack control monitors. They can be used for overll prevention on road tankers, rail cars and storage tanks.
These chemical sensors are available in either 2 wire or 5 wire versions. The sensors are a critical component in Scully’s unique and patented Dynacheck circuit design. When used in conjunction with Scully electronic monitoring equipment, our overll protection sensor will provide consistent failsafe monitoring. By constantly checking a “closed loop” pulsing signal across the entire system, Scully ensures a safe and reliable loading operation. If rising fuel contacts the sensor, this signal is interrupted and the controlling pumps and valves are shutdown. No operator involvement is needed to end the loading operation.
Scully stainless steel chemical sensors are constructed of SS 316 Stainless Steel, Borosylicate (Pyrex® Glass) and SIMRIZ® O-rings and are compatible with a wide range of chemicals.
FEATURES AND BENEFITS
- Maximum safety with Dynacheck— Automatic and continuous self-checking circuitry when used with Scully loading rack controls and vehicle onboard monitors.
- Usable to pressures of 600 PSI.
- Broad chemical compatibility.
- Wide Temperature Range.
- Shaft threaded inside and out and incorporates wrench flats.
- Fully compatible with Scully controllers.
- ATEX approvals per directive 94/9/EC.
- FM and CSA approvals for Class I, Division 1, Groups C and D hazardous
- locations.
- Meets requirements of API
- Recommended Practice RP-1004.
- Can be employed as part of a SIL system.
CHEMICAL COMPATIBILITY
Compatible products include: (not a complete list)
- 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.
Liquid Level Sensor for The Chemical Industries
TECHNICAL SPECIFICATIONS
- 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 specic chemical compatibility.
- Exposed Materials: SS 316 Stainless Steel, Borosili cate (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 Teon 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 in 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)
