4 wire describes a sensor which has a either a wheatstone bridge strain gauge configuration or a amplified output sensor where the supply input is isolated from the signal output.
4 wire is also used to describe a resistive thermometer that is wired so that the error caused by the connecting wire on each side of the resistive thermometer is compensated independently.
Measurement Signal Related Terms
More pages related to measurement signal technical terms.
- 2 Wire
- 3 Wire
- 4 to 20 mA Current Loop Output Signal
- 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
- NC – Normally Closed
- NO – Normally Open
- Piezoresistive Strain Gauges
- 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