The PROCAP I 3-A and II 3-A meet rigorous USDA, FDA and 3-A material and design standards for sanitary food and dairy processing. They can be used for high and low level detection in bins, silos, tanks, hoppers, chutes and other vessels used for the storage or manufacture of food or dairy products. They operate by detecting the presence or absence of material in contact with the probe by sensing minute changes (as low as 0.5 pF) in capacitance caused by the difference in the dielectric constant of the material versus the air. They feature a Class II hazardous location rating and are available with a wide assortment of probes and extensions to meet a variety of processing needs.

BinMaster capacitance probes provide interference-free operation – working far below the RF level of 9 KHz at just 6 KHz. – and will not interfere with two-way radios or other equipment operating in the radio spectrum. They feature simple “quick set” calibration and fail-safe operation including a visual LED to indicate the sensor status. Accurate level detection is assured even in dusty, sticky or clinging materials by the PRO-Shield feature which compensates for material build up on the sensing probe. They also provide fail-safe protection in the event of a power failure, as well as an adjustable time delay to help prevent false readings.

•3-A approved, food grade design
• “Quick-Set” simple calibration
• Triple thread screw-off cover
• Dual conduit entrance
•Unsurpassed sensitivity 0.5 pF
• PRO-Shield compensates for material buildup
• Operates below RF range, temperature stable calibration and protection from RF interference
• Fail-safe, switch selectable high/low
• Adjustable time delay to 30 seconds
• Visual LED indicates sensor status: uncovered, covered or power failure

• PROCAP I 3-A Power Requirements: Universal power supply 24 to 240 VAC/VDC
• PROCAP II 3-A Power Requirements: Selectable 115/230 VAC
• Output Relay: DPDT 10 Amp at 250 VAC
• Ambient Temp: -40°F to +185°F (-40°C to +85°C)
• Process Temp: To 250°F Delrin probe (121°C); to 500°F Teflon probe (260°C)
• Pressure: 500 PSI
• Approvals & Certifications: Listed for Class II, Groups E, F & G Hazardous Locations
• Enclosure Type: NEMA 4X, 5, 9 & 12 Housing
• Enclosure: Die cast aluminum, USDA approved powder coat finish
• Mounting: 1” or 2.5” sanitary flange

• Point level detection and process control for solid, liquid and slurry materials
• Used in bins, vessels, tanks, chutes and conveyors where 3-A and/or USDA approvals are necessary
• Dairy products, food, pharmaceuticals, and many other materials requiring 3-A or USDA approvals

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Item #

Item Name

730-0522 N/A PROCAP I-3A
730-0523 N/A PROCAP II-3A
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