List of length, distance, or range measuring devices
There are several devices to measure a length, distance, or range.
Contact devices
- Architect's scale
- Caliper
- Diagonal scale
- Engineer's scale
- Feeler gauge,
used in metal working to measure size of gaps - Gauge blocks
- Gunter's chain
- Measuring rod
- Meter stick
- Metric scale
- Micrometer
- Opisometer or curvimeter
- Pacing (surveying)
- Ruler
- Stadimeter
- Surveyor's wheel
- Tape measure
- Thread pitch gauge
- Ultrasonic thickness gauge
- Yard stick
Non-contact devices
Based on time-of-flight
- Electronic distance meter
- Ultrasonic ranging module (sonar, echo sounding)
- Radar distance measurement
- Laser rangefinder, lidar
Other
- GPS,
indirect by runtime measurement of electromagnetic waves in the GHz-range - Hypsometer
- Interferometer
- Length measurement
- Macrometer
- Odometer
- Rangefinder
- Tachymeter
- Taximeter, measure usually includes a time component as well
- Tellurometer
- Travelling microscope