Sensor Installation, Wiring and Working-Principle Videos

Short engineering videos from SEGMENsensor: how to install and set up clamp-on ultrasonic flow meters, wire submersible level transmitters and NPN/PNP proximity sensors, and how magnetostrictive position sensors work. Each page has the full video, chapters, key points and a transcript or scene-by-scene notes. Last updated 2026-10-21.

Ultrasonic flow meters

3:56Clamp-On Ultrasonic Flow Meter Installation: Complete GuideVideo guide to clamp-on ultrasonic flow meter installation: straight run, pipe data, V/Z/W mounting, couplant, wiring, signal check and quick fixes.0:56How a Clamp-On Ultrasonic Flow Meter Works (Transit Time)How an ultrasonic flow meter works: a 56-second animation of the transit-time method, from clamp-on transducers to flow rate. Transcript included.1:12Portable Clamp-On Ultrasonic Flow Meter (U20): Setup in 4 StepsSet up the U20 portable clamp-on ultrasonic flow meter in 4 steps: pipe data, couplant, mounting and signal check. Video, chapters and transcript.1:11Compact Clamp-On Ultrasonic Flow Meter (U13): Assembly and InstallationInstall the U13 compact clamp-on flow meter on small pipes: assemble the clamp, apply couplant, mount and set up. Video with chapters and transcript.1:13Fixed Clamp-On Ultrasonic Flow Meter (U12): Installation and First ReadingInstall the U12 clamp-on ultrasonic flow meter: mount, wire, enter pipe data, check the signal and connect 4–20 mA / RS485 to a PLC. Video guide.1:03U12 Clamp-On Ultrasonic Flow Meter: Setup Menu Step by StepU12 clamp-on flow meter setup menu step by step: pipe OD and wall, liquid, mounting method, spacing, damping, signal status and zero. Video.2:00Private-Label Clamp-On Ultrasonic Flow Meter: OEM Supply Under Your BrandPrivate-label clamp-on ultrasonic flow meters under your brand: U12 base model, faceplate and nameplate, calibration report, neutral packing and six steps.7:56How Ultrasonic Flow Meters Are Calibrated: Factory ProcessFactory video of clamp-on ultrasonic flow meter calibration: the water flow test line, transducer mounting, meter setup, signal check and live readings.2:48How Ultrasonic Flow Meters Are Made: Factory TourFactory tour video: how clamp-on ultrasonic flow meters are made, from housing design and display assembly to housing sealing, final checks and packing.

Position sensors: magnetostrictive and LVDT

1:00How a Magnetostrictive Position Sensor WorksHow a magnetostrictive position sensor works: current pulse, Wiedemann effect and torsional wave timing, in a one-minute animation with transcript.1:01Installing a Position Sensor in a Hydraulic CylinderHow to install a magnetostrictive position sensor in a hydraulic cylinder: gun-drilled rod, ring magnet, O-ring seal and wiring. Video guide.0:56How an LVDT WorksHow an LVDT measures position: primary and two secondary coils, a moving core, differential voltage and phase, and a DC output. One-minute video.

Level and proximity sensors

3:09Submersible Level Transmitter: Installation and 4–20 mA WiringHow to install and wire a submersible level transmitter: probe placement, stilling pipe, vent tube, 2-wire 4–20 mA wiring and scaling. Video.0:58NPN vs PNP Sensor Wiring ExplainedNPN vs PNP proximity sensor wiring explained: 3-wire colours, sourcing vs sinking outputs and how to match the PLC input. One-minute video.0:58How an Inductive Proximity Sensor WorksHow an inductive proximity sensor detects metal without contact: oscillator coil, eddy currents, trigger threshold and switching distance Sn. Video.0:58How a Submersible Level Transmitter WorksHow a submersible level transmitter measures level: hydrostatic pressure, height = pressure ÷ (density × g), vent tube and 4–20 mA scaling. Video.1:04Inside a Float Switch: Reed Switch Forming, Moulding and InspectionInside a float switch: reed switch lead forming, low-pressure moulding against moisture and vibration, and microscope inspection on the production line.0:46Stainless Steel Sensor Housings: Sealed and Leak-TestedStainless steel sensor housings on the production line: sorting, threaded process connections, pneumatic pressing and air-under-water leak testing.

Pressure transmitters

1:044–20 mA Explained: Scaling, Live Zero and the 250 Ω Resistor4–20 mA current loop explained: series loop, scaling formula I = 4 + 16 × value ÷ span, live zero and the 250 Ω resistor for 1–5 V. One-minute video.1:01psi vs psig vs psia: Gauge and Absolute Pressure Explainedpsi vs psig vs psia explained: absolute zero, atmospheric 14.7 psi, gauge vs absolute readings, negative gauge pressure and when to use each. Video.0:59Pressure Switch vs Pressure TransmitterPressure switch vs pressure transmitter: set point and hysteresis vs continuous 4–20 mA, and when to use each for pumps, alarms and control loops. Video.