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NC – Normally Closed

Normally Closed (NC) refers to the state of an electrical switch contact which stays closed until a preset threshold has been met and the switch opens, e.g. a NC pressure switch set at 10 bar will open once the pressure exceeds 10 bar.

Alarm relay settable measurement products
  • Low Differential Pressure Transmitters DPS300 User Switchable Pressure Range, Volts or Current Output Low DP Sensor
  • Email notifying multiple 4m high water tanks level controller
  • 40T48 Digital Readout with Alarm Relays
  • 40B96 Strain Gauge Readout with Process Alarm Relays

Measurement Signal Related Terms

More pages related to measurement signal technical terms.

  • 2 Wire
  • 3 Wire
  • 4 to 20 mA Current Loop Output Signal
  • 4 Wire
  • Amplified Voltage Output
  • BFSG – Bonded Foil Strain Gauge
  • Deadband
  • Digital Interface
  • FSO – Full Scale Output
  • HART®
  • High Frequency Response
  • Intrinsic Safety
  • Measurement Signal
  • Millivolt Output Pressure Transducers
  • mV/V – Millivolts per Volt Output Signal
  • NO – Normally Open
  • Piezoresistive Strain Gauges
  • Pressure Transmitters
  • Rangeable
  • Ratiometric
  • Span
  • Span Offset
  • Span Sensitivity
  • Square Root Extraction
  • Threshold
  • Totalizer
  • Transducer
  • Transmitter
  • TSL – Terminal Straight Line
  • TSS – Thermal Span or Sensitivity Shift
  • Turndown Ratio
  • USB
  • Vented Cable
  • Voltage Output Pressure Transducers
  • Wheatstone Bridge Strain Gauge
  • Zero Offset
  • Zero Tare

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