Credits

Image credits

Every photograph on edwartens.com that is not ours, with its author, licence and source. Our own lab renders and centre photographs are not listed here. Video lessons in the free courses belong to their creators and are credited on each course page.

Pages for universities, employers and sign-in

Course and job-page photographs

Free-licence stock. None of these shows our centre, lab, trainers or students.

Country photographs

Shown on the country pages and in the local office section.

  • us.webp
    Refineries along the Houston Ship Channel, with downtown Houston in the haze behind, Texas
    PA2 James Dillard, US Coast Guard, Public domain (US Government work)
    Source
  • ca.webp
    Steelworks on the Hamilton Harbour shoreline under a cloudy sky, Hamilton, Ontario
    K2HWY, CC BY 4.0
    Source
  • mx.webp
    Former steelworks chimneys in Parque Fundidora with Cerro de la Silla behind, Monterrey
    Betox, CC BY 3.0
    Source
  • br.webp
    The container ship MSC Natasha XIII in the channel of the Port of Santos, São Paulo state
    Marinha do Brasil, CC BY-SA 2.0
    Source
  • gb.webp
    Aerial view of the Port of Felixstowe container terminal and quay cranes on the River Orwell, Suffolk
    John Fielding, CC BY-SA 2.0
    Source
  • ie.webp
    A Stena Line ferry leaving Dublin Port beneath the twin Poolbeg Generating Station chimneys, Dublin
    Bob Castle, CC BY-SA 4.0
    Source
  • de.webp
    The Volkswagen plant power station with four chimneys on the Mittelland Canal, Wolfsburg
    Source
  • nl.webp
    Aerial view of the Seventh Petroleum Harbour tank farms and Calandkanaal, Europoort, Port of Rotterdam
    Source
  • fr.webp
    Container ship NYK Vega under quay cranes at the Port 2000 terminal, Le Havre, Normandy
    Philippe Alès, CC BY-SA 3.0
    Source
  • it.webp
    Container cranes, a tug and the Lanterna lighthouse in the Port of Genoa
    Ettorre (gregorio), CC BY-SA 4.0
    Source
  • es.webp
    Ship-to-shore container cranes at the Port of Valencia seen from the Cabanyal seafront
    Enric, CC BY-SA 4.0
    Source
  • pl.webp
    Green dockside cranes of the Gdańsk Shipyard behind a yellow bridge arch, Gdańsk
    Lukas Plewnia, CC BY-SA 2.0
    Source
  • se.webp
    The Eriksberg gantry crane from the former Eriksberg shipyard on the Göta älv, Gothenburg
    Fluff, CC BY-SA 3.0
    Source
  • tr.webp
    Aerial view of the Blue Mosque and Hagia Sophia with the Bosphorus and the modern skyline beyond, Istanbul
    Hunanuk, CC0
    Source
  • au.webp
    A BHP iron-ore train arriving at Port Hedland across the salt flats, Pilbara, Western Australia
    Nachoman-au, CC BY-SA 3.0
    Source
  • nz.webp
    Auckland CBD and Sky Tower behind the Ports of Auckland container cranes, seen across the Waitematā Harbour
    Thomas Roessler, CC BY-SA 3.0
    Source
  • region-americas.webp
    The container ship Sakaka passing through the Miraflores Locks, Panama Canal
    Ivo Kruusamägi, CC BY-SA 4.0
    Source
  • region-europe.webp
    Offshore wind turbines on yellow foundations in a choppy sea
    Source
  • region-oceania.webp
    Sydney Harbour Bridge with a harbour ferry passing beneath, Sydney
    Dietmar Rabich, CC BY-SA 4.0
    Source
  • ae.webp
    Aerial view of the Dubai skyline with the Burj Khalifa and the towers along Sheikh Zayed Road, Dubai
    Tim Reckmann, CC BY 2.0
    Source
  • sa.webp
    Riyadh skyline at sunset with the Kingdom Centre tower and the King Abdullah Financial District, Riyadh
    B.alotaby, CC BY-SA 4.0
    Source
  • qa.webp
    Flare stacks and an LNG carrier at the loading jetty of the Ras Laffan LNG terminal, Qatar
    Matthew Smith, CC BY 2.0
    Source
  • om.webp
    Port Sultan Qaboos and the Mutrah corniche at sunset with the Hajar mountains behind, Muscat
    Abubakr Saeed, CC BY 4.0
    Source
  • kw.webp
    Kuwait City skyline with Al Hamra Tower and the central business district
    Zairon, CC BY 4.0
    Source
  • eg.webp
    The Nile and the Cairo skyline seen from the river, Cairo
    Source
  • ma.webp
    Ship-to-shore container cranes at the Tanger Med port, with the national motto written on the hillside behind, near Tangier
    NAC, CC BY-SA 4.0
    Source
  • ng.webp
    Aerial view of the Lekki-Ikoyi Link Bridge over the Lagos Lagoon, Lagos
    S.aderogba, CC BY-SA 4.0
    Source
  • gh.webp
    Spillway and floodgates of the Akosombo Dam on the Volta River, Akosombo
    ZSM, CC BY-SA 3.0
    Source
  • ke.webp
    Ship-to-shore container cranes and stacked containers at the Port of Mombasa
    Stuart Price (MEAACT), Public domain
    Source
  • za.webp
    A harbour tug passing container cranes and a COSCO container ship in Durban harbour
    FinlayCox143, CC BY-SA 3.0
    Source
  • pk.webp
    Container cranes silhouetted at sunset at the Port of Karachi
    Sherbaz jamaldini, CC BY-SA 4.0
    Source
  • bd.webp
    Aerial view of the Padma Multipurpose Bridge across the Padma River
    Azim Khan Ronnie, CC BY-SA 4.0
    Source
  • lk.webp
    Aerial view of the container terminals and cranes of the Port of Colombo, seen from the Lotus Tower
    Source
  • ph.webp
    Close-up of the Makati central business district skyline, Metro Manila
    Patrickroque01, CC BY-SA 4.0
    Source
  • my.webp
    Container cranes along the quay at Port Klang, with an Evergreen container ship alongside, Selangor
    Balou46, CC BY-SA 4.0
    Source
  • sg.webp
    Refinery and chemical plant columns and stacks on Jurong Island, seen from the sea, Singapore
    Jacklee, CC BY-SA 3.0
    Source
  • id.webp
    Ship-to-shore crane and container yard at the Tanjung Priok container terminal, Jakarta
    Niels Johannes, CC BY-SA 4.0
    Source
  • vn.webp
    Ho Chi Minh City skyline from the Saigon River, with the Bitexco Financial Tower and the Thu Thiem 2 bridge
    Pimnl, CC0
    Source
  • th.webp
    Rubber-tyred gantry crane and container stacks in a container yard at Laem Chabang, Chonburi
    Source
  • jp.webp
    A chemical plant lit up at night beside a canal in the Ōgimachi industrial district, Kawasaki
    Kaz Ish, CC BY-SA 3.0
    Source
  • kr.webp
    Aerial view of Busan New Port container terminals, Busan
    Source
  • dz.webp
    A cargo ship moored in the Port of Algiers below the white buildings of the city
    Source
  • tn.webp
    Office towers of Les Berges du Lac reflected in the Lake of Tunis, Tunis
    Smailtn, CC BY-SA 4.0
    Source
  • iq.webp
    The Tigris at sunset with river boats and the Baghdad waterfront, Baghdad
    Synaps commons, CC BY-SA 4.0
    Source
  • rw.webp
    Central Kigali skyline at dusk, seen across the hills of the city
    Adrien K, CC BY 2.0
    Source
  • et.webp
    The elevated Addis Ababa light rail line above a busy street, Addis Ababa
    Francisco Anzola, CC BY 2.0
    Source
  • region-mena.webp
    Container cranes and a Maersk container ship at the Port of Aqaba, Jordan, with desert mountains behind
    Oyoyoy, CC BY-SA 3.0
    Source
  • region-africa.webp
    Aerial view of the Port of Dar es Salaam with its container terminal, quays and grain silos, Tanzania
    Chen Hualin, CC BY-SA 4.0
    Source
  • region-south-asia.webp
    Headworks and intake pond of the Chilime hydropower plant in the hills of Rasuwa, Nepal
    Shree Krishna Dhital, CC BY-SA 3.0
    Source
  • region-east-asia.webp
    A cargo ship in the Port of Kaohsiung with the city skyline and the 85 Sky Tower behind, Taiwan
    Suicasmo, CC BY-SA 4.0
    Source

Study-note booklet photographs

  • beckhoff-cx.webp
    A Beckhoff CX5120 embedded controller on a trade-show display board, with a yellow Ethernet cable plugged in and a row of EtherCAT I/O terminals fitted to its right
    Oleg Yunakov, CC BY-SA 4.0
    Source
  • br-x20.webp
    A B&R X20 CP 1586 controller with X20 AI 4622, DM 9324 and DO 9322 I/O modules wired into a cabinet, under reddish lighting
    Best Tech Nick 25, CC BY-SA 4.0
    Source
  • cobot.webp
    A Universal Robots UR16e collaborative robot arm with a two-finger gripper on a perforated steel table, with its control box behind and its touchscreen teach pendant in front
    Auledas, CC BY-SA 4.0
    Source
  • controllogix.webp
    An Allen-Bradley ControlLogix chassis in a control cabinet: a power supply on the left, then a Logix controller with its key switch, communication modules and a row of I/O modules with blue wiring harnesses, each slot marked with a yellow label
    Elmschrat, CC BY-SA 3.0
    Source
  • dcs-control-room.webp
    The control room of a gas-and-steam power plant: a desk of operator monitors showing process graphics and trends, with large wall displays of the turbine mimics behind
    WIKImaniac, CC BY-SA 3.0
    Source
  • emergency-stop.webp
    A red mushroom-head emergency stop button with twist-to-release arrows, set in a yellow legend plate marked Emergency Stop
    Tim Regan, CC BY 2.0
    Source
  • fieldbus-cables.webp
    The end of a violet PROFIBUS DP cable stripped back to show its braided shield, foil wrap and the red and green signal cores, beside an uncut cable end
    Oxensepp at German Wikipedia, CC BY-SA 2.0 de
    Source
  • industrial-ethernet-switch.webp
    A Siemens Industrial Ethernet ESM TP80 managed switch in a cabinet, with eight RJ45 ports along the bottom, status LEDs along the top and two D-sub service ports
    Mixabest, Public domain
    Source
  • linear-actuator.webp
    Four Rollon Uniline belt-driven linear actuators of different sizes, aluminium profiles with a sliding carriage on top
    Rollon91, CC BY-SA 3.0
    Source
  • logo8.webp
    A Siemens LOGO! 8 logic module (12/24RCE) on a DIN rail, its red-backlit display showing a menu, with a green Ethernet cable plugged in below
    Thomas.Kralovsky, CC BY-SA 4.0
    Source
  • m12-connector.webp
    Two A-coded M12 cable connectors with knurled coupling nuts (one with a black insert, one with an orange insert) beside a matching four-pin M12 connector for bulkhead mounting
    Phiarc, CC BY-SA 4.0
    Source
  • mitsubishi-q-or-iqr.webp
    A Mitsubishi Electric MELSEC iQ-R PLC on a display stand: an R63P power supply, an R04ENCPU CPU with a yellow network cable plugged in, and RX40C7 input and RY40PT5P output modules with their terminal blocks
    Oleg Yunakov, CC BY-SA 4.0
    Source
  • operator-workstation.webp
    A plant operator workstation with four monitors showing SCADA process graphics for a generator, a steam turbine and two heat-recovery boilers, above a keyboard, logbook and checklists
    Rsparks3, CC0
    Source
  • panasonic-fp.webp
    A Panasonic FP-XH C30T PLC mounted in a control panel, its labelled input and output wires on screw terminals above and below, with a power supply to its left
    Angga Panca Alam Anugrah, CC BY-SA 4.0
    Source
  • profibus-connector.webp
    Three PROFIBUS DP bus connectors (9-pin D-sub plugs in metal housings) fitted to violet PROFIBUS cable
    Oxensepp at German Wikipedia, CC BY-SA 2.0 de
    Source
  • robot-6axis.webp
    A KUKA six-axis articulated industrial robot on display, standing on its floor-mounted base with the axis servo motors visible at the joints and a gripper tool at the wrist
    Arnoldius, CC BY-SA 3.0
    Source
  • robot-delta.webp
    A delta (parallel-link) robot with three pairs of carbon-fibre arms, mounted above two slat conveyors at a trade show
    Mavis Sungwoo Lee, CC BY-SA 4.0
    Source
  • robot-palletising.webp
    KUKA industrial robots palletising stacks of yellow bread crates at a bakery, behind wire-mesh safety fencing, with roller conveyors feeding them
    KUKA Roboter GmbH, Bachmann, Public domain
    Source
  • robot-scara.webp
    A Comau SCARA robot mounted on a laboratory workbench, its cable hose arching over the arm and a tool fitted to the vertical quill
    Нечаева Лилия Александровна, CC BY-SA 4.0
    Source
  • robot-welding-cell.webp
    An ABB six-axis arc-welding robot on a pedestal beside a large orange ABB positioner that holds a heavy steel housing for welding
    Ana 2016, CC BY-SA 4.0
    Source
  • rotary-encoder.webp
    A HEIDENHAIN ROQ 425 absolute rotary encoder with its shaft at the top and a round connector on the side
    Source
  • s7-1200-cpu.webp
    A Siemens SIMATIC S7-1200 CPU 1214C DC/DC/DC with two signal modules fitted to its right: an SM 1222 digital output module and an SM 1232 analogue output module
    UlrichAAB, CC BY-SA 3.0
    Source
  • s7-1500-cpu.webp
    A Siemens SIMATIC S7-1500 CPU with its front display and navigation keys, beside a 32-channel digital input module with green channel LEDs lit
    Oleg Yunakov, CC BY-SA 4.0
    Source
  • s7-200.webp
    A Siemens SIMATIC S7-200 CPU 224 on a DIN rail, wired by ribbon cable to a training board of toggle switches and push buttons
    BreakdownDiode, CC BY-SA 3.0
    Source
  • s7-300.webp
    A Siemens SIMATIC S7-300 CPU 319-3 PN/DP on its rail, followed by three signal modules (one SM 323 and two SM 322) with their labelling strips
    Ulli1105, CC BY-SA 2.5
    Source
  • safety-interlock-switch.webp
    A Pilz safety gate switch with magnetic guard locking mounted on a machine guard door, its status LEDs lit (Power/Fault, Safety Gate, Input, Lock) and an M12 cable connected below
    Helfmann, CC BY-SA 4.0
    Source
  • safety-plc.webp
    A Pilz PNOZmulti modular safety controller in a control cabinet: a base unit with Ethernet cables plugged in and three expansion modules, wired with blue cores, beside a separate PNOZ s5 safety relay on the right
    Helfmann, CC BY-SA 4.0
    Source
  • scada-control-room.webp
    An unstaffed SCADA control room at a water treatment plant: two curved operator consoles carrying banks of monitors, with further workstations behind (the photo has a strong blue tint)
    Source
  • servo-drive.webp
    A SEW-EURODRIVE MOVIAXIS multi-axis servo drive system mounted on a wall: a supply module and four axis modules side by side, each with red lower covers and connector plugs on the front
    SEW-EURODRIVE GmbH & Co KG, CC BY-SA 3.0 de
    Source
  • servo-motor.webp
    SEW-EURODRIVE servo gearmotors with their connector housings (top row) and matching servo gear units without motors (bottom row), arranged on concrete steps
    SEW-EURODRIVE GmbH & Co KG, CC BY-SA 3.0
    Source
  • siemens-hmi-panel.webp
    A Siemens SIMATIC HMI touch panel with four function keys (F1 to F4) below the screen, showing a tank-and-pump process display; part of the screen's protective film is still on
    ZianMan, CC BY-SA 4.0
    Source
  • simatic-io-modules.webp
    A Siemens SIMATIC ET 200M station on a mounting rail: a PS 307 24 V power supply, an IM 153-1 interface module, a 16-channel 24 V DC digital input module and a PROFIBUS module, with the violet PROFIBUS cable below
    Alf van Beem, CC0
    Source
  • stepper-motor.webp
    A NEMA 17 hybrid stepper motor with a plain output shaft and four coloured lead wires, on a white background
    oomlout, CC BY-SA 2.0
    Source
  • teach-pendant.webp
    A well-used Stäubli robot teach pendant with a red emergency-stop button, jog keys for the X, Y, Z and rotation axes, a numeric keypad and an enabling grip on the left
    Red Sunset at English Wikipedia, CC BY-SA 3.0
    Source
  • vfd-generic.webp
    A Mitsubishi FR-D740 (D700-SC series) 400 V three-phase variable-frequency drive, showing its keypad with RUN, STOP/RESET, MODE and SET keys and the setting dial
    Ignac.mihevc at Slovenian Wikipedia, CC BY-SA 3.0
    Source
  • wago-750.webp
    WAGO 750-series Ethernet controllers with their I/O modules in a cabinet, wired with blue and violet cores carrying numbered markers
    Pierre75000, CC BY-SA 4.0
    Source
  • ahu.webp
    A long green air handling unit with access doors and inspection windows, standing on a plant-room floor under overhead ductwork
    Alf van Beem, CC0
    Source
  • ball-bearing.webp
    A deep groove ball bearing seen face-on, showing the inner ring, the outer ring and the steel balls held in a cage between them
    R. Henrik Nilsson, CC BY 4.0
    Source
  • ball-screw.webp
    A ball screw nut opened up to show its internal ball tracks and return tubes, with loose balls and a return tube laid out above it
    Graibeard, CC BY-SA 3.0
    Source
  • ball-valve-actuated.webp
    A large flanged ball valve on a pipeline, with a red valve actuator and its control accessories mounted on top
    Bizzy Whizz at English Wikipedia, Public domain
    Source
  • barcode-scanner-industrial.webp
    A black handheld barcode scanner sitting in its charging cradle, with the cables and a battery pack beside it
    Andrzej Lenkowski, CC BY-SA 4.0
    Source
  • belt-drive.webp
    A belt drive of several V-belts running over large grooved pulleys on a motor-driven machine in a workshop
    Three-quarter-ten, CC BY-SA 3.0
    Source
  • boiler.webp
    A packaged fire-tube boiler with an orange-red shell, with pipework and valves around it in a boiler room
    Garrett F., CC BY-SA 3.0
    Source
  • bottling-line.webp
    A bottling hall seen from above, with stainless-steel filling machines linked by winding conveyors carrying rows of bottles
    Seth Taylor, CC BY-SA 4.0
    Source
  • busbars.webp
    Bent copper busbars running vertically inside a switchgear panel, held by black insulating supports
    Source
  • butterfly-valve-actuated.webp
    A wafer-type butterfly valve with a blue body and grey disc, fitted with a rack-and-pinion pneumatic actuator on top
    Trương Quang Tuấn, Public domain
    Source
  • cable-glands.webp
    White plastic cable glands, one assembled and one taken apart into its threaded body, sealing insert and dome nut
    Phiarc, CC BY-SA 4.0
    Source
  • cable-lugs.webp
    An assortment of crimp terminals beside a ruler: tubular copper lugs, insulated ring and fork terminals, and coloured bootlace ferrules
    Mixabest, CC BY-SA 3.0
    Source
  • capacitive-proximity.webp
    A cylindrical threaded capacitive proximity sensor with a green sensing face at one end and a connector at the other
    Lucasbosch, CC BY-SA 3.0
    Source
  • capacitor-bank.webp
    An outdoor high-voltage capacitor bank: stacked racks of capacitor units on tall insulators, behind a wire-mesh fence
    Philippe Mertens, Public domain
    Source
  • chain-drive.webp
    A roller chain running around a green-painted sprocket on a machine, with oily chain links visible
    Les Chatfield from Brighton, England, CC BY 2.0
    Source
  • chiller.webp
    A large water-cooled centrifugal chiller in a plant room, with its compressor on top of the shell and insulated water pipes connected
    P199, Public domain
    Source
  • clamp-meter.webp
    A yellow and red digital clamp meter with an open-able current jaw at the top, a rotary selector dial and a display
    Harke, Public domain
    Source
  • contactor.webp
    A three-pole AC contactor with an auxiliary contact block clipped on the front, mounted on a DIN rail
    Source
  • control-valve.webp
    A green globe control valve with a diaphragm actuator on top and a positioner mounted on its yoke, installed between flanged pipes
    Rafał Rygielski; derivative work by A1, CC BY-SA 3.0
    Source
  • conveyor-belt.webp
    A conveyor system in a factory: a belt section rising beside curved roller conveyor sections on blue steel supports
    falco, CC0
    Source
  • cooling-tower.webp
    A row of packaged induced-draft cooling tower cells on a rooftop, connected by green water pipes
    Aloofmanish, CC BY-SA 4.0
    Source
  • coriolis-flowmeter.webp
    A Coriolis mass flowmeter with a triangular sensor housing below a flanged pipe section, mounted against a wall
    Luigi Chiesa, CC BY 3.0
    Source
  • current-transducer.webp
    A grey window-type current transducer for a 50-100 A AC primary, its label giving a 4-20 mA DC output, with terminals 1 and 2 on top
    Tambo at Hungarian Wikipedia, CC BY-SA 3.0
    Source
  • din-rail.webp
    A length of slotted metal top-hat DIN rail lying on a stone surface
    Dmitry G, Public domain
    Source
  • distribution-transformer.webp
    A pole-mounted distribution transformer with its cooling fins, bushings and conservator tank, on a steel structure
    High Contrast, CC BY 3.0 DE
    Source
  • dp-transmitter.webp
    A differential pressure transmitter with a round electronics housing on top of the twin-flanged sensor body, connected by impulse tubing
    Bitjungle, CC BY-SA 4.0
    Source
  • earth-electrode.webp
    An earth rod driven into the ground beside a wall, with a green-and-yellow earth conductor clamped to its top
    Source
  • earth-tester.webp
    A digital earth resistance tester in a yellow protective case, with a display, a rotary selector and test terminals
    Powerfox, CC BY-SA 4.0
    Source
  • energy-meter-electromechanical.webp
    The face of an electromechanical three-phase electricity meter, showing the kWh register and the rating plate
    Asurnipal, CC BY-SA 4.0
    Source
  • float-switch.webp
    A yellow plastic cable-suspended float switch hanging from its cable
    S.J. de Waard, CC BY 2.5
    Source
  • heat-exchanger.webp
    A metal-clad shell-and-tube heat exchanger with its connecting pipework in an industrial plant room
    Alnitak3, CC BY-SA 4.0
    Source
  • hrc-fuse.webp
    Two HRC fuse links of the NH knife-blade type, showing their ceramic bodies, blade contacts and printed ratings
    Widar23, CC BY-SA 4.0
    Source
  • hydraulic-cylinder.webp
    A black double-acting hydraulic cylinder with a clevis mounting and two hydraulic ports on the barrel
    Rstom03, CC BY-SA 3.0
    Source
  • hydraulic-power-unit.webp
    A hydraulic power unit: an electric motor and pump on top of an oil reservoir, with a bank of solenoid directional valves
    Vedantengg, CC BY-SA 3.0
    Source
  • induction-motor-cutaway.webp
    A cutaway three-phase induction motor showing the stator windings, the rotor on its shaft and the terminal box
    S.J. de Waard, CC BY 2.5
    Source
  • inductive-proximity.webp
    A cylindrical threaded inductive proximity sensor with a green sensing face at one end and a connector at the other
    Lucasbosch, CC BY-SA 3.0
    Source
  • insulated-gloves.webp
    A pair of electrical insulating rubber gloves with markings printed on them
    Powerfox, CC BY-SA 4.0
    Source
  • insulation-tester.webp
    An analogue insulation resistance tester with a moving-coil scale, range selector and test button, with red and black test leads
    Tilt u, Public domain
    Source
  • limit-switch.webp
    An industrial limit switch with a roller lever arm, mounted on a railing
    S.J. de Waard, CC BY 2.5
    Source
  • load-cell.webp
    A single-point aluminium load cell with a label plate and a cable, on a white background
    Daraceleste, CC BY-SA 4.0
    Source
  • lockout-hasp.webp
    A red group lockout hasp with several padlock holes, shown with a red safety padlock and its key
    Wtshymanski, CC BY-SA 4.0
    Source
  • loto-padlock.webp
    Three rotary isolator switches each locked in the off position with a yellow lockout padlock and danger tag
    darkday from Brisbane, Australia, CC BY 2.0
    Source
  • magnetic-flowmeter.webp
    An electromagnetic flowmeter with a dark green flanged flow tube and a transmitter head with a display mounted on it
    Source
  • mcb.webp
    A two-pole miniature circuit breaker with yellow toggle handles, clipped onto a DIN rail
    Source
  • mcc-panel.webp
    A motor control centre: a long line-up of grey cubicles with individual starter doors in an electrical room
    Wtshymanski, CC BY-SA 3.0
    Source
  • mccb.webp
    A three-pole moulded case circuit breaker installed in a panel, with its operating toggle and cable connections
    Balurbala, CC BY-SA 3.0
    Source
  • motor-nameplate.webp
    The rating plate of a three-phase induction motor showing kW, HP, rpm, voltage, current, frequency, connection and IP rating
    Olgailga2, CC0
    Source
  • motor-protection-breaker.webp
    A motor protection circuit breaker with a current-setting dial, red stop and black start buttons, and three-phase terminals
    Fluppe37, CC0
    Source
  • multimeter.webp
    A digital multimeter with a rotary function selector, input sockets and a pair of red and black test probes
    André Karwath aka Aka, CC BY-SA 2.5
    Source
  • oscilloscope.webp
    A digital storage oscilloscope displaying a sine wave, with a probe connected to one of the input channels
    Draconichiaro, CC BY-SA 4.0
    Source
  • overload-relay.webp
    A thermal overload relay with a current-setting dial and three pins for plugging directly into a contactor
    Peter Alder, Public domain
    Source
  • photoelectric-sensor.webp
    A compact blue photoelectric sensor with a red lens window, a wiring label and an M12 connector at the bottom
    Lucasbosch, CC BY-SA 3.0
    Source
  • plug-in-relay.webp
    A row of plug-in relays with transparent covers, seated in DIN-rail relay sockets
    RELAYGO, CC BY-SA 4.0
    Source
  • pneumatic-valve.webp
    A pneumatic solenoid valve with its coil and connector, push-in fittings and silencers, mounted on a panel
    Best Tech Nick 25, CC BY-SA 4.0
    Source
  • positive-displacement-pump.webp
    A cut-away internal gear pump, painted blue, showing the gears and shaft inside the pump body
    S.J. de Waard, CC BY 2.5
    Source
  • ppe-hard-hat.webp
    A yellow safety helmet (hard hat) on a black background
    רנדום, CC BY-SA 3.0
    Source
  • pressure-gauge.webp
    A stainless-steel Bourdon-tube pressure gauge with a dial graduated in kg/cm² and psi, and a bottom process connection
    Palagiri, CC BY-SA 3.0
    Source
  • pressure-transmitter.webp
    A pressure transmitter with a teal housing cover and a digital display showing a reading in bar
    ZianMan, CC BY-SA 4.0
    Source
  • rccb.webp
    A two-pole residual current circuit breaker (RCCB) with a blue test button and toggle
    Jimbob82 at English Wikipedia, Public domain
    Source
  • reed-switch.webp
    A glass reed switch: two metal reeds sealed inside a small glass tube with wire leads at both ends
    Timothée Cognard, CC BY-SA 4.0
    Source
  • roller-conveyor.webp
    A free-standing gravity roller conveyor section with galvanised rollers on steel legs
    Cbe wiki, CC BY-SA 3.0
    Source
  • rotameter.webp
    A variable-area flowmeter (rotameter): a float inside a transparent tapered tube with a scale, installed vertically in a pipe
    K. Krallis (SV1XV), CC BY-SA 3.0 GR
    Source
  • rtd-probe.webp
    A slim stainless-steel resistance temperature detector (RTD) probe with its lead wires, beside a ruler
    Suyash Dwivedi, CC BY-SA 4.0
    Source
  • safety-signage.webp
    A safety sign panel with warning, prohibition and mandatory PPE pictograms, under a sign forbidding entry
    TeWeBs, CC BY-SA 4.0
    Source
  • screw-compressor.webp
    A cut-away screw compressor element showing the pair of helical rotors inside the casing
    Wikisympathisant, CC BY-SA 4.0
    Source
  • sight-glass-level.webp
    A sight-glass level gauge with valves at top and bottom, mounted beside a vertical vessel pipe
    Topory, CC BY-SA 3.0
    Source
  • smps-din.webp
    A DIN-rail switched-mode power supply with input terminals at the bottom, mounted in a panel
    Mixabest, Public domain
    Source
  • soft-starter.webp
    A motor soft starter mounted in a panel, with wired line and load terminals at the top and bottom
    ZianMan, CC BY-SA 4.0
    Source
  • storage-tanks.webp
    A group of white vertical cylindrical storage tanks of different sizes standing together
    Carl Young, CC BY-SA 4.0
    Source
  • temperature-transmitter.webp
    A temperature sensor assembly with a blue transmitter head on a stainless-steel thermowell stem, lying on a table
    Bitjungle, CC BY-SA 4.0
    Source
  • terminal-blocks.webp
    Grey and blue screw terminal blocks with jumpers and marker strips, clipped onto a DIN rail
    Wolf32at, CC BY-SA 3.0
    Source
  • thermocouple.webp
    A thermocouple with a green miniature plug and a coiled length of twisted thermocouple wire
    Harke, Public domain
    Source
  • thermowell.webp
    A brass-coloured thermowell with a hexagonal head and a threaded process connection
    Palmerwahl, CC BY-SA 3.0
    Source
  • ups-battery.webp
    A small sealed lead-acid (VRLA) battery with red and black terminal tabs on top
    Dudinyúl, CC BY-SA 3.0
    Source
  • valve-manifold.webp
    A pneumatic valve manifold (valve terminal) with a row of solenoid valves and their air tubes, mounted in a cabinet
    Blonder1984, CC BY-SA 4.0
    Source
  • vision-camera-industrial.webp
    A compact industrial machine-vision camera with its image sensor visible through the lens mount
    Lg123456, CC BY-SA 4.0
    Source
  • vortex-flowmeter.webp
    A vortex flowmeter fitted between flanges in a yellow pipeline outdoors, with its transmitter head and conduit
    Cmarcante, Public domain
    Source
  • water-treatment-plant.webp
    A circular clarifier at a wastewater treatment plant, with a rotating bridge spanning the tank
    Source
  • worm-gear.webp
    A cut-away worm gearbox showing the worm shaft meshing with the bronze worm wheel inside the casing
    Graibeard, CC BY-SA 2.0
    Source