All Products
- Mechanical, Fluid Power & Tools
- Access, Storage & Material Handling
  Access, Storage & Material Handling
  - Ladders & Steps(175)
  - Material Lifting & Loading Equipment(509)
  - Storage & Shelving(1647)
  - Transit & Equipment Cases(689)
  - Trucks, Trolleys & Lifting Tables(358)
- Adhesives, Sealants & Tapes
  Adhesives, Sealants & Tapes
  - Adhesive, Sealant & Tape Dispensers(210)
  - Adhesives & Glues(401)
  - Sealants & Resins(289)
  - Tapes(2328)
- Bearings & Seals
  Bearings & Seals
  - Gaskets, Seals & Packings(6875)
  - Linear Motion(1302)
  - Rotary Bearings & Housing Units(11838)
- Engineering Materials & Industrial Hardware
  Engineering Materials & Industrial Hardware
  - Anti Vibration & Levelling Components(2238)
  - Carbon Fibre & Felt Sheets(8)
  - Castors & Wheels(1718)
  - Ceramic Materials(26)
  - Channel Support Systems(182)
  - Conveyor Components(508)
  - Insulation Materials(113)
  - Knobs, Levers & Handles(1088)
  - Metal Materials(507)
  - Plastic & Rubber Materials(699)
  - Polishing & Finishing(30)
  - Shim Stock(96)
  - Structural Systems(2184)
- Fasteners & Fixings
  Fasteners & Fixings
  - Clips & Springs(1659)
  - Girder Fixings(145)
  - Magnets & Magnetic Strips(457)
  - Nails & Rivets(728)
  - Nuts & Washers(1613)
  - Pins, Keys & Retaining Clips(348)
  - Screws & Bolts(8278)
  - Sheet Metal & Panel Fasteners(302)
  - Spacers & Standoffs(1403)
  - Wall Plugs, Fixings & Anchors(665)
- Hand Tools
  Hand Tools
  - Cable, Connector & Crimping Tools(2526)
  - Clamps & Vices(524)
  - Hammers & Demolition(1138)
  - Knives, Scissors & Saws(966)
  - Manual Grease Guns & Accessories(34)
  - Measuring & Marking(1438)
  - Pliers & Cutters(3748)
  - Sanding, Filing & Polishing(1467)
  - Screwdrivers, Hex & Torx Keys(8157)
  - Spanners, Sockets & Wrenches(12900)
  - Specialist Tools(1935)
  - Staplers & Riveters(86)
  - Threading Tools(1457)
  - Tool Kits & Tool Storage(2537)
- Mechanical Power Transmission
  Mechanical Power Transmission
  - Belts & Pulleys(13127)
  - Brakes & Clutches(48)
  - Bushes & Collars(732)
  - Electric Actuators(1311)
  - Gears & Racks(1071)
  - Lead Screws, Ball Screws & Ball Splines(124)
  - Power Transmission Couplings(1358)
  - Roller Chains & Accessories(1239)
- Plumbing & Pipeline
  Plumbing & Pipeline
  - Hose Pipe & Fittings(1980)
  - Pipes & Pipe Fittings(1577)
  - Pipework Maintenance & Water Treatment(138)
  - Sinks, Toilets & Showers(21)
  - Valves & Taps(2659)
  - Water Heating & Pumps(394)
- Pneumatics & Hydraulics
  Pneumatics & Hydraulics
  - Automated Air Blowers(23)
  - Compressed Air Piping Systems(228)
  - Hydraulic Cylinders, Pumps & Power Units(174)
  - Hydraulic Fittings & Tubing(3521)
  - Hydraulic Fluids & Filtration(117)
  - Hydraulic Instrumentation & Switches(141)
  - Hydraulic Tools(9)
  - Hydraulic Valves & Manifolds(258)
  - Pneumatic & Hydraulic Pressure Gauges(5365)
  - Pneumatic Air Preparation(3321)
  - Pneumatic Connectors, Fittings & Hose(10441)
  - Pneumatic Counters, Logic Controllers & Timers(82)
  - Pneumatic Cylinders & Actuators(11813)
  - Pneumatic Sensors & Switches(1641)
  - Pneumatic Valves(8358)
  - Vacuum Components(1338)
- Power Tools, Soldering & Welding
  Power Tools, Soldering & Welding
  - Air Tools(528)
  - Drill Bits & Parts(4571)
  - Grounds Maintenance Tools(122)
  - Milling & Lathing(442)
  - Power Tool Accessories(2424)
  - Power Tools(1641)
  - Sanding Belts, Discs & Wheels(1408)
  - Soldering(2858)
  - Welding & Brazing(164)
  - Workshop Tools(830)
- Electrical, Automation & Cables
- Automation & Control Gear
  Automation & Control Gear
  - Automation Signalling(5784)
  - Contactors & Auxiliary Contacts(13715)
  - Electric Motors(17695)
  - Industrial Robots(102)
  - PLCs, HMIs & Industrial Computing(10040)
  - Process Control(7404)
  - Sensors(32353)
  - Solenoids(167)
- Cables & Wires
  Cables & Wires
  - AV Cables(1761)
  - Cable Glands & Fittings(2637)
  - Cable Joints & Cable Sleeving(3353)
  - Cable Management(6418)
  - Cable Ties & Fixings(3231)
  - Computer Cables(1688)
  - Electrical Power & Industrial Cables(19021)
  - Networking & Coaxial Cables(8290)
  - Single Core Cable(5751)
  - Wire to Board Cables & Ribbon Cable(7769)
- Enclosures & Server Racks
  Enclosures & Server Racks
  - 19-Inch Racking(1367)
  - Enclosures(13806)
  - Enclosures & Racking Components(12243)
- Fuses & Circuit Breakers
  Fuses & Circuit Breakers
  - Circuit Breakers(29415)
  - Earth & Lightning Protection(135)
  - Fuse Holders & Accessories(1370)
  - Fuses(8317)
- HVAC, Fans & Thermal Management
  HVAC, Fans & Thermal Management
  - Air Conditioning & Fans(2583)
  - Air Conditioning & Heating Accessories(1569)
  - Building Automation(6)
  - Electronics Heating & Cooling Components(1805)
  - Fan Accessories(426)
- Lighting
  Lighting
  - Light Bulbs, Lamps & Tubes(1573)
  - Light Fittings, Fixtures & Luminaires(2161)
  - Lighting Components(379)
  - Torches & Inspection Lamps(748)
- Relays & Signal Conditioning
  Relays & Signal Conditioning
  - Relay Accessories(909)
  - Relays(13813)
  - Signal Conditioners & Isolators(922)
- Switches
  Switches
  - Capacitive, Magnetic and Piezo Switches(1011)
  - DIP & Rotary Encoded Switches(967)
  - Domestic Installation Switches(1456)
  - Foot Switches & Components(246)
  - Joysticks & Components(290)
  - Key Switches & Selector Switches(2249)
  - Keyboard & Keypad Switches(1822)
  - Limit & Position Switches(3025)
  - Micro Switches & Detector Switches(2330)
  - Push Button Switches & Components(13515)
  - Rocker Switches & Components(986)
  - Rope Pull Switches & Components(360)
  - Rotary Switches & Components(3562)
  - Safety Enabling & Control Switches(190)
  - Safety Interlock Switches & Components(2246)
  - Switch Disconnectors & Components(7138)
  - Toggle Switches & Slide Switches(1888)
- Electronic Components, Power & Connectors
- Batteries & Chargers
  Batteries & Chargers
  - Battery & Charger Accessories(588)
  - Battery Chargers & Power Banks(415)
  - Non-Rechargeable Batteries(592)
  - Rechargeable Batteries(605)
- Connectors
  Connectors
  - AV Connectors(2043)
  - Automotive Electrical Connectors(5089)
  - Backplane & Rack Connectors(1283)
  - Circular Connectors(21257)
  - IC Sockets & Adapters(637)
  - Mains & DC Power Connectors(5406)
  - Network & Telecom Connectors(3612)
  - PCB Connectors & Wire Housings(41120)
  - Power Connectors(10131)
  - RF Coaxial Connectors & Adapters(5034)
  - Terminal Blocks(32710)
  - USB, D Sub & Computing Connectors(9071)
  - Wire Terminals & Splices(6720)
- Displays & Optoelectronics
  Displays & Optoelectronics
  - Display Modules(1965)
  - Fibre Optic Components(237)
  - Indicators & Indicator Components(3999)
  - LED Lighting Components(5294)
  - LEDs - Light Emitting Diodes(6026)
  - Laser Modules & Components(268)
  - Optocouplers & Photodetectors(4462)
- ESD Control, Cleanroom & PCB Prototyping
  ESD Control, Cleanroom & PCB Prototyping
  - ESD Control & Clean Room(902)
  - PCB Etching, Preparation & Developing(51)
  - PCB Handling(105)
  - PCB Spacers, Pillars & Supports(806)
  - PCB Tools(123)
  - Prototyping Boards(828)
- Passive Components
  Passive Components
  - Antennas(2186)
  - Capacitors(40406)
  - Crystals, Oscillators & Resonators(3556)
  - EMI Filters & Protection(6875)
  - Fixed Resistors(46161)
  - Inductors(10206)
  - Passive Components Kits(317)
  - Rotary Encoders(372)
  - Sounder, Buzzer & Microphone Components(915)
  - Surge Protection Components(3667)
  - Variable Resistors(4595)
- Power Supplies & Transformers
  Power Supplies & Transformers
  - Power Supplies(8632)
  - Renewable Energy(133)
  - Transformers(3021)
  - Voltage Converters(14792)
- Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools
  Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools
  - Arduino Shop(239)
  - BBC micro:bit Shop(158)
  - Development Tools & Single Board Computers(5758)
  - ROCK SBC Shop(93)
  - Raspberry Pi Shop(276)
  - STEM Education(112)
- Semiconductors
  Semiconductors
  - Amplifiers & Comparators(5290)
  - Audio & Video ICs(107)
  - Chip Programmers & Debuggers(132)
  - Clock, Timing & Frequency ICs(1088)
  - Communication & Wireless Module ICs(1112)
  - Data Converters(1270)
  - Discrete Semiconductors(39219)
  - Interface ICs(3369)
  - Logic ICs(4326)
  - Memory Chips(2495)
  - Power Management ICs(14686)
  - Processors & Microcontrollers(7756)
  - Programmable Logic ICs(171)
  - Sensor ICs(3346)
- PPE, Safety, Test & IT
- Computing & Peripherals
  Computing & Peripherals
  - 3D Printing & Scanning(1028)
  - Audio & Video(793)
  - Barcode Scanners & Accessories(163)
  - Car Technology(11)
  - Computer Components & Software(1909)
  - Keyboards & Mice(847)
  - Labelling(2025)
  - Memory & Data Storage(2185)
  - Mobile Computing(170)
  - Networking & WiFi(3122)
  - Phones & Walkie Talkies(142)
  - Photography & Drones(37)
  - Printing & Scanning(275)
  - Remote Controls(170)
- Facilities Cleaning & Maintenance
  Facilities Cleaning & Maintenance
  - Brushes(386)
  - Cleaning Equipment(92)
  - Cleaning Sprays & Fluids(163)
  - Electronics Cleaners & Protective Coatings(237)
  - Floor Cleaning(821)
  - Greases, Oils & Lubricants(665)
  - Paint & Painting Supplies(341)
  - Washroom Equipment & Supplies(524)
  - Waste & Recycling(231)
  - Wipes & Cloths(558)
- Office Supplies
  Office Supplies
  - Desk Organisation(70)
  - Filing(74)
  - Office Equipment(158)
  - Office Furniture(408)
  - Paper & Consumables(640)
  - Posting & Packaging(69)
  - White Boards, Notice Boards & Planners(186)
  - Writing & Drawing Supplies(197)
- Personal Protective Equipment & Workwear
  Personal Protective Equipment & Workwear
  - Arm & Knee Protection(191)
  - Disposable Workwear(459)
  - Ear Protection(307)
  - Eye & Face Protection(1344)
  - Fall Protection(823)
  - Hand Protection(7145)
  - Head Protection(713)
  - Hi Vis Clothing(4987)
  - Respiratory Protection(821)
  - Safety Footwear(15011)
  - Workwear(13990)
- Security & Ironmongery
  Security & Ironmongery
  - CCTV & Security Surveillance(253)
  - Door Control & Seals(456)
  - Key Cabinets & Safes(205)
  - Latches, Hinges & Handles(1028)
  - Locks & Bolts(1257)
  - Security Alarms & Sensors(369)
- Site Safety
  Site Safety
  - Fire Safety(187)
  - First Aid(267)
  - Lockout Tagout(578)
  - Safety Flooring(323)
  - Safety Signs(796)
  - Spillage Control(447)
  - Traffic Management & Crowd Control(1145)
- Test & Measurement
  Test & Measurement
  - Bench Power Supplies & Sources(1868)
  - Data Acquisition & Logging(951)
  - Electrical Test & Measurement(1927)
  - Electronic Component Testing(312)
  - Engineering Test & Measurement(923)
  - Environmental Test & Measurement(1128)
  - Lab Equipment(905)
  - Linear Test & Measurement(12)
  - Multimeters & Accessories(1339)
  - Network Test & Measurement(537)
  - Oscilloscopes & Accessories(2477)
  - Pressure Test & Measurement(461)
  - RF Test & Measurement(199)
  - Signal Generators & Analysers(588)
  - Speed Test & Measurement(106)
  - Temperature Test & Measurement(2677)
  - Test Connectors(2979)
  - Test Leads & Test Lead Kits(1588)
  - Weight & Force Test & Measurement(1089)
Our Brands
- Top Brands
- All Brands
New Products
My Account
Our Services

£180.79Each Check stock levels Compare	Extech ExStik II Series Electrode for Use with ExStikII Dissolved Oxygen Meter/Kit Accessory TypeElectrode For Use WithExStikII Dissolved Oxygen Meter/Kit ApplicationDissolved Oxygen Measurement SeriesExStik II See similar products in Sensor Accessories	RS Stock No. 288-0251 Brand Extech Mfr. Part No. DO605
£53.53Each Check stock levels Compare	Extech Inductive Block Proximity Sensor, 36000 rpm Detection, 115 →230 V ac Sensor TechnologyInductive Detection Range36000 rpm Body StyleBlock Supply Voltage115 →230 V ac See similar products in Proximity Sensors	RS Stock No. 288-0211 Brand Extech Mfr. Part No. 461955

Sensors

CATEGORIES