Scully Two-Wire Optic Sensor

Liquid Level Sensor for Tank Trailer Overfill Prevention

System-wide “closed loop” Dynacheck pulsing signal ensures safe and reliable loading operation
Purpose-built for liquid petroleum product overfill prevention and point level detection
Designed to be used with the Scully Intellitrol and ST-15 series loading rack control monitors
Can also be used with the Scully IntelliCheck3 and IntelliCheck2 Control Unit

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Description
Brand
Features
Variants
Tech Specs

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.

AYTC is an authorized full service distributor of Scully products. Scully is the market leader in overfill prevention systems, retained product monitoring, vehicle grounding, level alert notification and vehicle to terminal communications.

Requires no warm-up time, so no waiting for permit light
Overfill prevention applications include road tankers, rail cars, and storage tanks
Eliminates operator involvement to end the loading operation—controlling pumps and valves are shutdown if rising fuel contacts the sensor

part#	Model	Description	Shaft Length
09408L1	SP-TO/MHC(MC)	Two-Wire Optic Sensor, 2″ NPT holder, 2 1⁄8″ Medium Cap	7″ (175mm)
09413L1	SP-TO/MHC (MC)		12″ (300mm)
09416L1	SP-TO/MHC (MC)		15″ (375mm)
09407L1	SP-TO/MHCF(MC)	Two-Wire Optic Sensor, flanged holder, 2 1⁄8″ medium cap	7″ (175mm)
09412L1	SP-TO/MHCF (MC)		12″ (300mm)
09415L1	SP-TO/MHCF (MC		15″ (375mm)
08542	SD-5CE	5-Element Electronic Dummy

Employed on tank trucks with less than 6 compartments (8 in Canada) when not using IntelliCheck II monitor

Replacement Parts

part#	Model	Description	Shaft Length
09409L1	SP-TO	Two-Wire Optic Sensor, (without holder)	7″ (175mm)
09414L1			12″ (300mm)
09417L1			15″ (375mm)
09065	SP-MHC (MC)	2″ NPT Threaded Holder Only
08265	SP-MHCF (MC)	Flanged Holder Only

Operating Temp. Range:	-40°F to +140°F (-40°C to +60°C)
Petroleum Product Range:	Gasoline blends and 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 mm²)
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