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Pro Auto-Cal offers simple and automatic calibration and external testing without having to remove the cover of the unit. Calibration takes just seconds and is performed with the use of a special magnet. This unit also allows for the simulation of either a covered or uncovered condition without accessing the probe assembly or the electronics and unsurpassed sensitivity of 0.5 pF for enhanced accuracy. A visual LED on the top of the housing indicates sensor status such as uncovered, covered or power failure.
Operating below the RF range, Pro Auto-Cal will not interfere with two-way radios or other plant equipment operating within radio frequency. It offers fail-safe performance – alerting users to power failures – and a Pro-Shield feature which compensates for material build-up to protect again false readings. Other benefits include temperature-stable calibration and an adjustable time delay of up to 10 seconds to allow for settling of material. Pro Auto-Cal offers optional sensing probes including Delrin or Teflon-sleeved, bare, food grade, or flush mount, plus a variety of solid and flexible extensions making it suitable for many applications.
Features:• Auto-calibration and external test• 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 10 seconds• Optional sensing probes: Delrin or Teflon sleeved, bare, food grade, flush mount, solid and flexible extensions• Visual LED indicates sensor status: uncovered, covered or power failure
Specifications:• Power Requirements: 115/230 VAC, 50/60 Hz ±15%, 5 VA• 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/bare 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: 1-1/4” NPT or 3/4” NPT 316 stainless steel standard; 1-1/4” NPT 316 stainless steel & sanitary flange optional
Applications:• Point level detection and process control for solid, liquid and slurry materials• Used in bins, vessels, tanks, chutes and conveyors where low voltage DC power is necessary• Plastics, chemicals, coal, fly ash, concrete, food ingredients, pharmaceuticals, feed, grain, mining, foundries, wood or paper processing, many other materials
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