All Products
- Mechanical, Fluid Power & Tools
- Access, Storage & Material Handling
  Access, Storage & Material Handling
  - Ladders & Steps(112)
  - Material Lifting & Loading Equipment(391)
  - Storage & Shelving(1501)
  - Transit & Equipment Cases(375)
  - Trucks, Trolleys & Lifting Tables(249)
- Adhesives, Sealants & Tapes
  Adhesives, Sealants & Tapes
  - Adhesive, Sealant & Tape Dispensers(131)
  - Adhesives & Glues(162)
  - Sealants & Resins(174)
  - Tapes(1843)
- Bearings & Seals
  Bearings & Seals
  - Gaskets, Seals & Packings(6796)
  - Linear Motion(1257)
  - Rotary Bearings & Housing Units(11468)
- Engineering Materials & Industrial Hardware
  Engineering Materials & Industrial Hardware
  - Anti Vibration & Levelling Components(2227)
  - Carbon Fibre & Felt Sheets(7)
  - Castors & Wheels(1600)
  - Ceramic Materials(25)
  - Channel Support Systems(175)
  - Conveyor Components(499)
  - Insulation Materials(103)
  - Knobs, Levers & Handles(879)
  - Metal Materials(323)
  - Plastic & Rubber Materials(592)
  - Polishing & Finishing(31)
  - Shim Stock(95)
  - Structural Systems(2032)
- Fasteners & Fixings
  Fasteners & Fixings
  - Clips & Springs(1642)
  - Girder Fixings(139)
  - Magnets & Magnetic Strips(413)
  - Nails & Rivets(690)
  - Nuts & Washers(1523)
  - Pins, Keys & Retaining Clips(287)
  - Screws & Bolts(7341)
  - Sheet Metal & Panel Fasteners(204)
  - Spacers & Standoffs(1271)
  - Wall Plugs, Fixings & Anchors(631)
- Hand Tools
  Hand Tools
  - Cable, Connector & Crimping Tools(2003)
  - Clamps & Vices(497)
  - Hammers & Demolition(790)
  - Knives, Scissors & Saws(867)
  - Manual Grease Guns & Accessories(28)
  - Measuring & Marking(1154)
  - Pliers & Cutters(3362)
  - Sanding, Filing & Polishing(1241)
  - Screwdrivers, Hex & Torx Keys(7550)
  - Spanners, Sockets & Wrenches(9890)
  - Specialist Tools(1619)
  - Staplers & Riveters(62)
  - Threading Tools(1350)
  - Tool Kits & Tool Storage(1897)
- Mechanical Power Transmission
  Mechanical Power Transmission
  - Belts & Pulleys(4482)
  - Brakes & Clutches(50)
  - Bushes & Collars(727)
  - Electric Actuators(1197)
  - Gears & Racks(1075)
  - Lead Screws, Ball Screws & Ball Splines(111)
  - Power Transmission Couplings(1378)
  - Roller Chains & Accessories(1075)
- Plumbing & Pipeline
  Plumbing & Pipeline
  - Hose Pipe & Fittings(1965)
  - Pipes & Pipe Fittings(1863)
  - Pipework Maintenance & Water Treatment(127)
  - Sinks, Toilets & Showers(21)
  - Valves & Taps(2486)
  - Water Heating & Pumps(359)
- Pneumatics & Hydraulics
  Pneumatics & Hydraulics
  - Automated Air Blowers(24)
  - Compressed Air Piping Systems(227)
  - Hydraulic Cylinders, Pumps & Power Units(188)
  - Hydraulic Fittings & Tubing(2846)
  - Hydraulic Fluids & Filtration(116)
  - Hydraulic Instrumentation & Switches(141)
  - Hydraulic Tools(8)
  - Hydraulic Valves & Manifolds(244)
  - Pneumatic & Hydraulic Pressure Gauges(5270)
  - Pneumatic Air Preparation(3061)
  - Pneumatic Connectors, Fittings & Hose(9835)
  - Pneumatic Counters, Logic Controllers & Timers(82)
  - Pneumatic Cylinders & Actuators(11905)
  - Pneumatic Sensors & Switches(1241)
  - Pneumatic Valves(7709)
  - Vacuum Components(1339)
- Power Tools, Soldering & Welding
  Power Tools, Soldering & Welding
  - Air Tools(339)
  - Drill Bits & Parts(3031)
  - Grounds Maintenance Tools(7)
  - Milling & Lathing(426)
  - Power Tool Accessories(413)
  - Power Tools(1125)
  - Sanding Belts, Discs & Wheels(1159)
  - Soldering(2004)
  - Welding & Brazing(131)
  - Workshop Tools(657)
- Electrical, Automation & Cables
- Automation & Control Gear
  Automation & Control Gear
  - Automation Signalling(5335)
  - Contactors & Auxiliary Contacts(10490)
  - Electric Motors(11450)
  - Industrial Robots(22)
  - PLCs, HMIs & Industrial Computing(7751)
  - Process Control(8119)
  - Sensors(25519)
  - Solenoids(166)
- Cables & Wires
  Cables & Wires
  - AV Cables(1562)
  - Cable Glands & Fittings(2212)
  - Cable Joints & Cable Sleeving(3168)
  - Cable Management(6477)
  - Cable Ties & Fixings(3461)
  - Computer Cables(1443)
  - Electrical Power & Industrial Cables(14073)
  - Networking & Coaxial Cables(6709)
  - Single Core Cable(4997)
  - Wire to Board Cables & Ribbon Cable(7078)
- Enclosures & Server Racks
  Enclosures & Server Racks
  - 19-Inch Racking(1156)
  - Enclosures(12653)
  - Enclosures & Racking Components(7506)
- Fuses & Circuit Breakers
  Fuses & Circuit Breakers
  - Circuit Breakers(20176)
  - Earth & Lightning Protection(112)
  - Fuse Holders & Accessories(1210)
  - Fuses(7769)
- HVAC, Fans & Thermal Management
  HVAC, Fans & Thermal Management
  - Air Conditioning & Fans(2394)
  - Air Conditioning & Heating Accessories(1558)
  - Electronics Heating & Cooling Components(1748)
  - Fan Accessories(423)
- Lighting
  Lighting
  - Light Bulbs, Lamps & Tubes(1248)
  - Light Fittings, Fixtures & Luminaires(1173)
  - Lighting Components(253)
  - Torches & Inspection Lamps(501)
- Relays & Signal Conditioning
  Relays & Signal Conditioning
  - Relay Accessories(872)
  - Relays(12894)
  - Signal Conditioners & Isolators(748)
- Switches
  Switches
  - Capacitive, Magnetic and Piezo Switches(1011)
  - DIP & Rotary Encoded Switches(1173)
  - Domestic Installation Switches(1034)
  - Foot Switches & Components(240)
  - Joysticks & Components(292)
  - Key Switches & Selector Switches(2121)
  - Keyboard & Keypad Switches(1853)
  - Limit & Position Switches(2599)
  - Micro Switches & Detector Switches(2282)
  - Push Button Switches & Components(13283)
  - Rocker Switches & Components(987)
  - Rope Pull Switches & Components(286)
  - Rotary Switches & Components(3421)
  - Safety Enabling & Control Switches(76)
  - Safety Interlock Switches & Components(1636)
  - Switch Disconnectors & Components(5724)
  - Toggle Switches & Slide Switches(2219)
- Electronic Components, Power & Connectors
- Batteries & Chargers
  Batteries & Chargers
  - Battery & Charger Accessories(648)
  - Battery Chargers & Power Banks(218)
  - Non-Rechargeable Batteries(402)
  - Rechargeable Batteries(532)
- Connectors
  Connectors
  - AV Connectors(3131)
  - Automotive Electrical Connectors(4901)
  - Backplane & Rack Connectors(1305)
  - Circular Connectors(24837)
  - IC Sockets & Adapters(706)
  - Mains & DC Power Connectors(4614)
  - Network & Telecom Connectors(3330)
  - PCB Connectors & Wire Housings(29237)
  - Power Connectors(9615)
  - RF Coaxial Connectors & Adapters(4897)
  - Terminal Blocks(29120)
  - USB, D Sub & Computing Connectors(8777)
  - Wire Terminals & Splices(6705)
- Displays & Optoelectronics
  Displays & Optoelectronics
  - Display Modules(1814)
  - Fibre Optic Components(233)
  - Indicators & Indicator Components(4014)
  - LED Lighting Components(5024)
  - LEDs - Light Emitting Diodes(6080)
  - Laser Modules & Components(256)
  - Optocouplers & Photodetectors(4452)
- ESD Control, Cleanroom & PCB Prototyping
  ESD Control, Cleanroom & PCB Prototyping
  - ESD Control & Clean Room(859)
  - PCB Etching, Preparation & Developing(43)
  - PCB Handling(94)
  - PCB Spacers, Pillars & Supports(889)
  - PCB Tools(121)
  - Prototyping Boards(501)
- Passive Components
  Passive Components
  - Antennas(1906)
  - Capacitors(37323)
  - Crystals, Oscillators & Resonators(3745)
  - EMI Filters & Protection(6595)
  - Fixed Resistors(46558)
  - Inductors(9913)
  - Passive Components Kits(313)
  - Rotary Encoders(376)
  - Sounder, Buzzer & Microphone Components(832)
  - Surge Protection Components(3382)
  - Variable Resistors(4956)
- Power Supplies & Transformers
  Power Supplies & Transformers
  - Power Supplies(8506)
  - Renewable Energy(120)
  - Transformers(2948)
  - Voltage Converters(13591)
- Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools
  Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools
  - Arduino Shop(204)
  - BBC micro:bit Shop(149)
  - Development Tools & Single Board Computers(4837)
  - ROCK SBC Shop(72)
  - Raspberry Pi Shop(312)
  - STEM Education(83)
- Semiconductors
  Semiconductors
  - Amplifiers & Comparators(4504)
  - Audio & Video ICs(98)
  - Chip Programmers & Debuggers(97)
  - Clock, Timing & Frequency ICs(1022)
  - Communication & Wireless Module ICs(991)
  - Data Converters(784)
  - Discrete Semiconductors(39279)
  - Interface ICs(2793)
  - Logic ICs(4023)
  - Memory Chips(1533)
  - Power Management ICs(12587)
  - Processors & Microcontrollers(3076)
  - Programmable Logic ICs(76)
  - Sensor ICs(3080)
- PPE, Safety, Test & IT
- Computing & Peripherals
  Computing & Peripherals
  - 3D Printing & Scanning(549)
  - Audio & Video(693)
  - Barcode Scanners & Accessories(92)
  - Car Technology(4)
  - Computer Components & Software(1386)
  - Keyboards & Mice(556)
  - Labelling(1694)
  - Memory & Data Storage(1857)
  - Mobile Computing(154)
  - Networking & WiFi(2494)
  - Phones & Walkie Talkies(104)
  - Photography & Drones(25)
  - Printing & Scanning(359)
  - Remote Controls(144)
- Facilities Cleaning & Maintenance
  Facilities Cleaning & Maintenance
  - Brushes(378)
  - Cleaning Equipment(101)
  - Cleaning Sprays & Fluids(82)
  - Electronics Cleaners & Protective Coatings(168)
  - Floor Cleaning(850)
  - Greases, Oils & Lubricants(493)
  - Paint & Painting Supplies(183)
  - Washroom Equipment & Supplies(443)
  - Waste & Recycling(215)
  - Wipes & Cloths(503)
- Office Supplies
  Office Supplies
  - Desk Organisation(63)
  - Filing(78)
  - Office Equipment(138)
  - Office Furniture(392)
  - Paper & Consumables(661)
  - Posting & Packaging(92)
  - White Boards, Notice Boards & Planners(174)
  - Writing & Drawing Supplies(186)
- Personal Protective Equipment & Workwear
  Personal Protective Equipment & Workwear
  - Arm & Knee Protection(153)
  - Disposable Workwear(433)
  - Ear Protection(263)
  - Eye & Face Protection(1138)
  - Fall Protection(429)
  - Hand Protection(4313)
  - Head Protection(692)
  - Hi Vis Clothing(4043)
  - Respiratory Protection(611)
  - Safety Footwear(10629)
  - Workwear(12283)
- Security & Ironmongery
  Security & Ironmongery
  - CCTV & Security Surveillance(274)
  - Door Control & Seals(397)
  - Key Cabinets & Safes(166)
  - Latches, Hinges & Handles(982)
  - Locks & Bolts(1186)
  - Security Alarms & Sensors(347)
- Site Safety
  Site Safety
  - Fire Safety(148)
  - First Aid(190)
  - Lockout Tagout(500)
  - Safety Flooring(215)
  - Safety Signs(679)
  - Spillage Control(435)
  - Traffic Management & Crowd Control(830)
- Test & Measurement
  Test & Measurement
  - Bench Power Supplies & Sources(954)
  - Data Acquisition & Logging(828)
  - Electrical Test & Measurement(1136)
  - Electronic Component Testing(219)
  - Engineering Test & Measurement(663)
  - Environmental Test & Measurement(709)
  - Lab Equipment(864)
  - Linear Test & Measurement(11)
  - Multimeters & Accessories(830)
  - Network Test & Measurement(423)
  - Oscilloscopes & Accessories(1353)
  - Pressure Test & Measurement(215)
  - RF Test & Measurement(203)
  - Signal Generators & Analysers(380)
  - Speed Test & Measurement(68)
  - Temperature Test & Measurement(2160)
  - Test Connectors(2679)
  - Test Leads & Test Lead Kits(1490)
  - Weight & Force Test & Measurement(649)
Our Brands
- Top Brands
- All Brands
New Products
My Account
Our Services

HK$10,271.04Each Real time qty checker Compare	Fluke 820, Stroboscope alias# 4024507 See similar products in Stroboscopes	RS Stock No. 2552816845 Brand Fluke Mfr. Part No. FLUKE-820 (Each)
HK$3,453.40Each Real time qty checker Compare	Fluke 931, Combo Tachometer alias# 3409799 See similar products in Tachometers	RS Stock No. 2552816607 Brand Fluke Mfr. Part No. FLUKE-931 (Each)

Speed Test & Measurement

CATEGORIES