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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.