All Products
- Mechanical, Fluid Power & Tools
- Access, Storage & Material Handling
  Access, Storage & Material Handling
  - Ladders & Steps(136)
  - Material Lifting & Loading Equipment(398)
  - Storage & Shelving(1346)
  - Transit & Equipment Cases(625)
  - Trucks, Trolleys & Lifting Tables(261)
- Adhesives, Sealants & Tapes
  Adhesives, Sealants & Tapes
  - Adhesive, Sealant & Tape Dispensers(120)
  - Adhesives & Glues(168)
  - Sealants & Resins(171)
  - Tapes(2170)
- Bearings & Seals
  Bearings & Seals
  - Gaskets, Seals & Packings(6865)
  - Linear Motion(1246)
  - Rotary Bearings & Housing Units(11733)
- Engineering Materials & Industrial Hardware
  Engineering Materials & Industrial Hardware
  - Anti Vibration & Levelling Components(2222)
  - Carbon Fibre & Felt Sheets(6)
  - Castors & Wheels(1696)
  - Ceramic Materials(26)
  - Channel Support Systems(172)
  - Conveyor Components(488)
  - Insulation Materials(106)
  - Knobs, Levers & Handles(1147)
  - Metal Materials(390)
  - Plastic & Rubber Materials(582)
  - Polishing & Finishing(29)
  - Shim Stock(91)
  - Structural Systems(2018)
- Fasteners & Fixings
  Fasteners & Fixings
  - Clips & Springs(1651)
  - Girder Fixings(142)
  - Magnets & Magnetic Strips(435)
  - Nails & Rivets(732)
  - Nuts & Washers(1560)
  - Pins, Keys & Retaining Clips(348)
  - Screws & Bolts(8079)
  - Sheet Metal & Panel Fasteners(298)
  - Spacers & Standoffs(1219)
  - Wall Plugs, Fixings & Anchors(645)
- Hand Tools
  Hand Tools
  - Cable, Connector & Crimping Tools(2243)
  - Clamps & Vices(490)
  - Hammers & Demolition(852)
  - Knives, Scissors & Saws(903)
  - Manual Grease Guns & Accessories(31)
  - Measuring & Marking(1208)
  - Pliers & Cutters(3475)
  - Sanding, Filing & Polishing(1274)
  - Screwdrivers, Hex & Torx Keys(6741)
  - Spanners, Sockets & Wrenches(11126)
  - Specialist Tools(1805)
  - Staplers & Riveters(80)
  - Threading Tools(1459)
  - Tool Kits & Tool Storage(2145)
- Mechanical Power Transmission
  Mechanical Power Transmission
  - Belts & Pulleys(9120)
  - Brakes & Clutches(47)
  - Bushes & Collars(732)
  - Electric Actuators(1279)
  - Gears & Racks(1069)
  - Lead Screws, Ball Screws & Ball Splines(111)
  - Power Transmission Couplings(1350)
  - Roller Chains & Accessories(1081)
- Plumbing & Pipeline
  Plumbing & Pipeline
  - Hose Pipe & Fittings(1733)
  - Pipes & Pipe Fittings(1432)
  - Pipework Maintenance & Water Treatment(127)
  - Sinks, Toilets & Showers(17)
  - Valves & Taps(2616)
  - Water Heating & Pumps(352)
- Pneumatics & Hydraulics
  Pneumatics & Hydraulics
  - Automated Air Blowers(21)
  - Compressed Air Piping Systems(214)
  - Hydraulic Cylinders, Pumps & Power Units(148)
  - Hydraulic Fittings & Tubing(3653)
  - Hydraulic Fluids & Filtration(106)
  - Hydraulic Instrumentation & Switches(140)
  - Hydraulic Tools(8)
  - Hydraulic Valves & Manifolds(255)
  - Pneumatic & Hydraulic Pressure Gauges(4932)
  - Pneumatic Air Preparation(3336)
  - Pneumatic Connectors, Fittings & Hose(10363)
  - Pneumatic Counters, Logic Controllers & Timers(79)
  - Pneumatic Cylinders & Actuators(11765)
  - Pneumatic Sensors & Switches(1613)
  - Pneumatic Valves(8298)
  - Vacuum Components(1329)
- Power Tools, Soldering & Welding
  Power Tools, Soldering & Welding
  - Air Tools(314)
  - Drill Bits & Parts(3154)
  - Grounds Maintenance Tools(7)
  - Milling & Lathing(417)
  - Power Tool Accessories(714)
  - Power Tools(488)
  - Sanding Belts, Discs & Wheels(1327)
  - Soldering(2075)
  - Welding & Brazing(122)
  - Workshop Tools(718)
- Electrical, Automation & Cables
- Automation & Control Gear
  Automation & Control Gear
  - Automation Signalling(5460)
  - Contactors & Auxiliary Contacts(13019)
  - Electric Motors(15525)
  - Industrial Robots(97)
  - PLCs, HMIs & Industrial Computing(8309)
  - Process Control(7017)
  - Sensors(31190)
  - Solenoids(125)
- Cables & Wires
  Cables & Wires
  - AV Cables(1700)
  - Cable Glands & Fittings(2305)
  - Cable Joints & Cable Sleeving(3234)
  - Cable Management(5803)
  - Cable Ties & Fixings(3347)
  - Computer Cables(1526)
  - Electrical Power & Industrial Cables(17514)
  - Networking & Coaxial Cables(7567)
  - Single Core Cable(5363)
  - Wire to Board Cables & Ribbon Cable(7305)
- Enclosures & Server Racks
  Enclosures & Server Racks
  - 19-Inch Racking(1253)
  - Enclosures(13851)
  - Enclosures & Racking Components(12022)
- Fuses & Circuit Breakers
  Fuses & Circuit Breakers
  - Circuit Breakers(30529)
  - Earth & Lightning Protection(120)
  - Fuse Holders & Accessories(1268)
  - Fuses(7496)
- HVAC, Fans & Thermal Management
  HVAC, Fans & Thermal Management
  - Air Conditioning & Fans(2299)
  - Air Conditioning & Heating Accessories(1464)
  - Building Automation(6)
  - Electronics Heating & Cooling Components(1618)
  - Fan Accessories(371)
- Lighting
  Lighting
  - Light Bulbs, Lamps & Tubes(1314)
  - Light Fittings, Fixtures & Luminaires(1364)
  - Lighting Components(222)
  - Torches & Inspection Lamps(662)
- Relays & Signal Conditioning
  Relays & Signal Conditioning
  - Relay Accessories(797)
  - Relays(12319)
  - Signal Conditioners & Isolators(866)
- Switches
  Switches
  - Capacitive, Magnetic and Piezo Switches(912)
  - DIP & Rotary Encoded Switches(944)
  - Domestic Installation Switches(1303)
  - Foot Switches & Components(242)
  - Joysticks & Components(282)
  - Key Switches & Selector Switches(2198)
  - Keyboard & Keypad Switches(1541)
  - Limit & Position Switches(2938)
  - Micro Switches & Detector Switches(2071)
  - Push Button Switches & Components(12652)
  - Rocker Switches & Components(913)
  - Rope Pull Switches & Components(299)
  - Rotary Switches & Components(3398)
  - Safety Enabling & Control Switches(153)
  - Safety Interlock Switches & Components(1857)
  - Switch Disconnectors & Components(7028)
  - Toggle Switches & Slide Switches(2006)
- Electronic Components, Power & Connectors
- Batteries & Chargers
  Batteries & Chargers
  - Battery & Charger Accessories(621)
  - Battery Chargers & Power Banks(244)
  - Non-Rechargeable Batteries(439)
  - Rechargeable Batteries(478)
- Connectors
  Connectors
  - AV Connectors(1990)
  - Automotive Electrical Connectors(4891)
  - Backplane & Rack Connectors(1211)
  - Circular Connectors(20821)
  - IC Sockets & Adapters(625)
  - Mains & DC Power Connectors(4673)
  - Network & Telecom Connectors(3396)
  - PCB Connectors & Wire Housings(29208)
  - Power Connectors(10510)
  - RF Coaxial Connectors & Adapters(4666)
  - Terminal Blocks(31238)
  - USB, D Sub & Computing Connectors(8245)
  - Wire Terminals & Splices(6378)
- Displays & Optoelectronics
  Displays & Optoelectronics
  - Display Modules(1843)
  - Fibre Optic Components(221)
  - Indicators & Indicator Components(3989)
  - LED Lighting Components(4939)
  - LEDs - Light Emitting Diodes(5403)
  - Laser Modules & Components(242)
  - Optocouplers & Photodetectors(4216)
- ESD Control, Cleanroom & PCB Prototyping
  ESD Control, Cleanroom & PCB Prototyping
  - ESD Control & Clean Room(817)
  - PCB Etching, Preparation & Developing(42)
  - PCB Handling(89)
  - PCB Spacers, Pillars & Supports(768)
  - PCB Tools(120)
  - Prototyping Boards(666)
- Passive Components
  Passive Components
  - Antennas(1949)
  - Capacitors(35790)
  - Crystals, Oscillators & Resonators(3343)
  - EMI Filters & Protection(6506)
  - Fixed Resistors(45353)
  - Inductors(9687)
  - Passive Components Kits(291)
  - Rotary Encoders(374)
  - Sounder, Buzzer & Microphone Components(863)
  - Surge Protection Components(3383)
  - Variable Resistors(4722)
- Power Supplies & Transformers
  Power Supplies & Transformers
  - Power Supplies(8042)
  - Renewable Energy(112)
  - Transformers(2667)
  - Voltage Converters(13336)
- Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools
  Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools
  - Arduino Shop(212)
  - BBC micro:bit Shop(146)
  - Development Tools & Single Board Computers(5321)
  - ROCK SBC Shop(81)
  - Raspberry Pi Shop(249)
  - STEM Education(85)
- Semiconductors
  Semiconductors
  - Amplifiers & Comparators(4647)
  - Audio & Video ICs(78)
  - Chip Programmers & Debuggers(123)
  - Clock, Timing & Frequency ICs(924)
  - Communication & Wireless Module ICs(970)
  - Data Converters(881)
  - Discrete Semiconductors(38213)
  - Interface ICs(2781)
  - Logic ICs(3433)
  - Memory Chips(2279)
  - Power Management ICs(13290)
  - Processors & Microcontrollers(6891)
  - Programmable Logic ICs(128)
  - Sensor ICs(3078)
- PPE, Safety, Test & IT
- Computing & Peripherals
  Computing & Peripherals
  - 3D Printing & Scanning(276)
  - Audio & Video(770)
  - Barcode Scanners & Accessories(140)
  - Car Technology(4)
  - Computer Components & Software(1612)
  - Keyboards & Mice(801)
  - Labelling(1448)
  - Memory & Data Storage(1937)
  - Mobile Computing(147)
  - Networking & WiFi(2315)
  - Phones & Walkie Talkies(105)
  - Photography & Drones(35)
  - Printing & Scanning(222)
  - Remote Controls(150)
- Facilities Cleaning & Maintenance
  Facilities Cleaning & Maintenance
  - Brushes(383)
  - Cleaning Equipment(73)
  - Cleaning Sprays & Fluids(81)
  - Electronics Cleaners & Protective Coatings(170)
  - Floor Cleaning(743)
  - Greases, Oils & Lubricants(477)
  - Paint & Painting Supplies(164)
  - Washroom Equipment & Supplies(412)
  - Waste & Recycling(188)
  - Wipes & Cloths(499)
- Office Supplies
  Office Supplies
  - Desk Organisation(61)
  - Filing(71)
  - Office Equipment(133)
  - Office Furniture(352)
  - Paper & Consumables(627)
  - Posting & Packaging(52)
  - White Boards, Notice Boards & Planners(166)
  - Writing & Drawing Supplies(188)
- Personal Protective Equipment & Workwear
  Personal Protective Equipment & Workwear
  - Arm & Knee Protection(170)
  - Disposable Workwear(412)
  - Ear Protection(250)
  - Eye & Face Protection(1093)
  - Fall Protection(547)
  - Hand Protection(6199)
  - Head Protection(660)
  - Hi Vis Clothing(4790)
  - Respiratory Protection(421)
  - Safety Footwear(13312)
  - Workwear(13381)
- Security & Ironmongery
  Security & Ironmongery
  - CCTV & Security Surveillance(239)
  - Door Control & Seals(443)
  - Key Cabinets & Safes(174)
  - Latches, Hinges & Handles(1022)
  - Locks & Bolts(1161)
  - Security Alarms & Sensors(346)
- Site Safety
  Site Safety
  - Fire Safety(147)
  - First Aid(157)
  - Lockout Tagout(577)
  - Safety Flooring(199)
  - Safety Signs(764)
  - Spillage Control(311)
  - Traffic Management & Crowd Control(961)
- Test & Measurement
  Test & Measurement
  - Bench Power Supplies & Sources(875)
  - Data Acquisition & Logging(691)
  - Electrical Test & Measurement(1058)
  - Electronic Component Testing(222)
  - Engineering Test & Measurement(729)
  - Environmental Test & Measurement(943)
  - Lab Equipment(778)
  - Linear Test & Measurement(12)
  - Multimeters & Accessories(753)
  - Network Test & Measurement(480)
  - Oscilloscopes & Accessories(1397)
  - Pressure Test & Measurement(191)
  - RF Test & Measurement(180)
  - Signal Generators & Analysers(388)
  - Speed Test & Measurement(78)
  - Temperature Test & Measurement(2164)
  - Test Connectors(2732)
  - Test Leads & Test Lead Kits(1522)
  - Weight & Force Test & Measurement(648)
Our Brands
- Top Brands
- All Brands
New Products
My Account
Our Services

HK$7,459.20Each Real time qty checker Compare	Qoitech Otii Arc Pro DC Power Analyzer, 5A Max, 5V Max Absolute Maximum Current Measurement5A Maximum Voltage5V Best Voltage Measurement Accuracy±(0.1% + 1.5) mV Best Current Measurement Accuracy±(0.1% + 50) Measurement TypeCurrent, Power, Voltage See similar products in Power Quality Analysers	RS Stock No. 256-4687 Brand Qoitech Mfr. Part No. OTII-ARC-PRO
HK$12,242.89Each Real time qty checker Compare	Qoitech Otii Ace Pro DC Power Analyzer Accessory TypeOtii Ace Pro DC Power Analyzer See similar products in Bench Power Supply & Source Accessories	RS Stock No. 257-3555 Brand Qoitech Mfr. Part No. OTII-ACE-PRO

Test & Measurement

CATEGORIES