{"product_id":"kunwei-kwr168ex-series-sensor","title":"Kunwei KWR168Ex Explosion-Proof Six-Axis Force\/Torque Sensor, 3000–8000 N for Robotic Tooling","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e\u003ca href=\"https:\/\/rcdrone.top\/collections\/kunwei-sensing\"\u003eKunwei Sensing\u003c\/a\u003e KWR168Ex \u003ca href=\"https:\/\/rcdrone.top\/collections\/six-axis-force-torque-sensors\"\u003esix-axis force\/torque sensor\u003c\/a\u003e\u003c\/strong\u003e is an explosion-proof series designed for high bending moments and multi-axis load measurement in robotic tooling and test fixtures. Four models cover 3000–8000 N and 400–1200 N·m per axis. Its 168 mm diameter, 38 mm high electropolished alloy-steel body incorporates intelligent measurement circuitry and supports integration with elongated actuators and tooling assemblies.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMeasurement of three forces, Fx\/Fy\/Fz, and three moments, Mx\/My\/Mz.\u003c\/li\u003e\n\u003cli\u003eFour selectable load ranges: BEx, CEx, DEx and EEx.\u003c\/li\u003e\n\u003cli\u003eHigh-strength alloy-steel construction with an electropolished surface.\u003c\/li\u003e\n\u003cli\u003e500 Hz sampling frequency, 0.05% FS resolution, 0.5% FS repeatability and 3.0% FS accuracy.\u003c\/li\u003e\n\u003cli\u003e200% FS overload level and IP64 protection rating.\u003c\/li\u003e\n\u003cli\u003eBuilt-in intelligent circuitry; communication and associated acquisition equipment depend on the supplied configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003cth\u003eKWR168BEx\u003c\/th\u003e\n\u003cth\u003eKWR168CEx\u003c\/th\u003e\n\u003cth\u003eKWR168DEx\u003c\/th\u003e\n\u003cth\u003eKWR168EEx\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eRange Fx, Fy\u003c\/th\u003e\n\u003ctd\u003eN\u003c\/td\u003e\n\u003ctd\u003e3000\u003c\/td\u003e\n\u003ctd\u003e4000\u003c\/td\u003e\n\u003ctd\u003e6000\u003c\/td\u003e\n\u003ctd\u003e8000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRange Fz\u003c\/th\u003e\n\u003ctd\u003eN\u003c\/td\u003e\n\u003ctd\u003e3000\u003c\/td\u003e\n\u003ctd\u003e4000\u003c\/td\u003e\n\u003ctd\u003e6000\u003c\/td\u003e\n\u003ctd\u003e8000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRange Mx, My\u003c\/th\u003e\n\u003ctd\u003eNm\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e800\u003c\/td\u003e\n\u003ctd\u003e1200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRange Mz\u003c\/th\u003e\n\u003ctd\u003eNm\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e800\u003c\/td\u003e\n\u003ctd\u003e1200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e168\u003c\/td\u003e\n\u003ctd\u003e168\u003c\/td\u003e\n\u003ctd\u003e168\u003c\/td\u003e\n\u003ctd\u003e168\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Steel\u003c\/td\u003e\n\u003ctd\u003eAlloy Steel\u003c\/td\u003e\n\u003ctd\u003eAlloy Steel\u003c\/td\u003e\n\u003ctd\u003eAlloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eElectropolished\u003c\/td\u003e\n\u003ctd\u003eElectropolished\u003c\/td\u003e\n\u003ctd\u003eElectropolished\u003c\/td\u003e\n\u003ctd\u003eElectropolished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverload Level\u003c\/th\u003e\n\u003ctd\u003e%FS\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd\u003e%FS\u003c\/td\u003e\n\u003ctd\u003e0.05\u003c\/td\u003e\n\u003ctd\u003e0.05\u003c\/td\u003e\n\u003ctd\u003e0.05\u003c\/td\u003e\n\u003ctd\u003e0.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRepeatability\u003c\/th\u003e\n\u003ctd\u003e%FS\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAccuracy*\u003c\/th\u003e\n\u003ctd\u003e%FS\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003ekg\u003c\/td\u003e\n\u003ctd\u003e4.4\u003c\/td\u003e\n\u003ctd\u003e4.4\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection Level\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Temperature\u003c\/th\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003ctd\u003e-10~80\u003c\/td\u003e\n\u003ctd\u003e-10~80\u003c\/td\u003e\n\u003ctd\u003e-10~80\u003c\/td\u003e\n\u003ctd\u003e-10~80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSampling Frequency\u003c\/th\u003e\n\u003ctd\u003eHz\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupply Voltage*\u003c\/th\u003e\n\u003ctd\u003eVDC\u003c\/td\u003e\n\u003ctd\u003e12~17\u003c\/td\u003e\n\u003ctd\u003e12~17\u003c\/td\u003e\n\u003ctd\u003e12~17\u003c\/td\u003e\n\u003ctd\u003e12~17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication Interface\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd colspan=\"4\"\u003eRS422 \/ RS485 \/ Modbus \/ CAN \/ CAN FD \/ TCP \/ UDP \/ EtherCAT \/ USB; configuration dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eFS means full scale. Accuracy includes measurement errors from crosstalk, hysteresis and nonlinearity. The force and moment capacities are axis ratings, not robot payload ratings. Account for attached tool mass, lever arms and combined loading; the overload figure does not expand the calibrated measuring range. The listed body masses are distinct from packed shipping weights.\u003c\/p\u003e\u003ch2\u003ePower and Communication\u003c\/h2\u003e\u003cp\u003eUse the KWR168Ex series rating of \u003cstrong\u003e12–17 VDC\u003c\/strong\u003e for selection and verify the supplied unit and associated electronics before connection. Do not substitute the wider supply range of the non-Ex KWR168 or apply 24\/48 V solely from generic family information. Some listed electrical and performance parameters apply to the associated acquisition equipment.\u003c\/p\u003e\u003cp\u003eThe model letters specify measuring ranges, not a choice of every communication protocol at once. RS422, RS485, Modbus, CAN, CAN FD, TCP, UDP, EtherCAT and USB refer to configuration-dependent interface arrangements. Match the actual output, connector assignment and acquisition system to the host controller; use KWR168Ex-specific wiring and protocol documentation.\u003c\/p\u003e\u003ch2\u003eMechanical Installation\u003c\/h2\u003e\u003cp\u003eThe mechanical reference gives a body diameter of Ø168 ±0.05 mm and an overall height of 38 mm, with the load reference plane at 37 mm. It shows Ø144 mm outer mounting circles, a Ø76 mm inner mounting circle and a Ø40 mm central bore. The illustrated interface includes six M10 threaded holes with a 12 mm depth indication and two Ø8 locating holes with +0.02\/0 tolerance; locating-hole depths differ between the faces, 6 mm and 8 mm.\u003c\/p\u003e\u003cp\u003eUse the full drawing for face-specific hole patterns, the Ø92 mm flange detail, 8 mm step, 30°\/120° angular references, the counterbore section and X\/Y\/Z orientation. Match the actual revision before machining an adapter and allow clearance for the side connector. A nominally equal body diameter alone does not establish mechanical interchangeability.\u003c\/p\u003e\u003ch2\u003eEx-Series Configuration\u003c\/h2\u003e\u003cp\u003eThe Ex suffix identifies the explosion-proof product series. Hazardous-area suitability depends on the delivered unit's Ex marking, approval documents and installation configuration. Match those documents to the intended installation; the IP64 enclosure rating alone does not specify an Ex protection class or zone.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-moment robotic tooling: monitor forces and moments generated by long tools or elongated actuators.\u003c\/li\u003e\n\u003cli\u003eGearbox and precision assembly: measure reaction loads and off-axis moments during component engagement.\u003c\/li\u003e\n\u003cli\u003eGrinding, polishing and cutting-force test fixtures: provide multi-axis load feedback within the selected sensor's capacity and response range.\u003c\/li\u003e\n\u003cli\u003eTorque-monitoring and actuator-development rigs that require simultaneous force and moment measurement.\u003c\/li\u003e\n\u003cli\u003eHumanoid, robotic-arm, exoskeleton, quadruped and guided-vehicle research where the mass, mounting geometry and load range suit the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 × Kunwei KWR168Ex sensor in the selected BEx, CEx, DEx or EEx model.\u003c\/li\u003e\n\u003cli\u003eDownloadable mechanical reference and family selection documentation below.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe model options do not specify a cable kit, power supply, safety barrier, acquisition module, adapter flange or interface converter as included. Establish the required installation equipment for the selected communication and Ex configuration.\u003c\/p\u003e\u003ch2\u003eDownloads\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/KUNWEI-KWR168Ex-Drawing-new.pdf?v=1782993560\" target=\"_blank\" rel=\"noopener\"\u003eKWR168Ex mechanical drawing, English reference (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/KUNWEI-KWR168Ex-Drawing.pdf?v=1780973480\" target=\"_blank\" rel=\"noopener\"\u003eKWR168Ex mechanical drawing, original reference (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/KUNWEI-6_Axis_Force_Sensors_Selection_Manual.pdf?v=1780281802\" target=\"_blank\" rel=\"noopener\"\u003eKunwei six-axis sensor selection manual, family reference (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe family selection manual covers multiple models, including non-Ex KWR168 variants. Use the Ex-specific specification above for electrical ratings, sampling frequency and installation selection.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eWhich KWR168Ex model should I choose?\u003c\/h3\u003e\u003cp\u003eBEx is rated 3000 N \/ 400 N·m, CEx 4000 N \/ 600 N·m, DEx 6000 N \/ 800 N·m and EEx 8000 N \/ 1200 N·m per axis. Check combined working loads and bending moments, not only axial force.\u003c\/p\u003e\u003ch3\u003eCan I use a 24 V or 48 V supply?\u003c\/h3\u003e\u003cp\u003eThe Ex-series specification lists 12–17 VDC. Use the actual unit and associated electronics ratings; do not infer wider supply compatibility from a generic family footnote or a non-Ex model.\u003c\/p\u003e\u003ch3\u003eDoes the model letter select RS485, EtherCAT or another interface?\u003c\/h3\u003e\u003cp\u003eNo. BEx\/CEx\/DEx\/EEx select load ranges; the supplied communication and acquisition configuration determines the interface.\u003c\/p\u003e\u003ch3\u003eDoes IP64 establish hazardous-area approval?\u003c\/h3\u003e\u003cp\u003eNo. Match the actual unit’s Ex marking, approval documents and installation requirements to the intended environment.\u003c\/p\u003e\u003ch3\u003eCan I use KWR63 or KWR75 wiring instructions for this sensor?\u003c\/h3\u003e\u003cp\u003eUse KWR168Ex-specific documentation. Similar product families do not establish matching pinouts, supply limits, serial settings or package contents.\u003c\/p\u003e\u003ch2\u003eVisual Details\u003c\/h2\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr168ex-model-capacity-comparison.webp?v=1792568656\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr168ex-model-capacity-comparison.webp?v=1792568656\" alt=\"KWR168Ex model-specific force and moment ranges; the actual acquisition and Ex configuration govern integration.\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eKWR168Ex model-specific force and moment ranges; the actual acquisition and Ex configuration govern integration.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr168ex-original-mechanical-dimensions.webp?v=1792568660\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr168ex-original-mechanical-dimensions.webp?v=1792568660\" alt=\"Original KWR168Ex mechanical reference. All dimensions and face-specific locating-hole depths are retained; open the complete drawing before machining.\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eOriginal KWR168Ex mechanical reference. All dimensions and face-specific locating-hole depths are retained; open the complete drawing before machining.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr168ex-series-application-examples.webp?v=1792568665\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr168ex-series-application-examples.webp?v=1792568665\" alt=\"Kunwei series application examples, including medical testing, rehabilitation, sports testing, automated charging and surgical-robotics research. These are reference scenes, not verified KWR168Ex compatibility or clinical approval; illustrated equipment is not included.\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eKunwei series application examples, including medical testing, rehabilitation, sports testing, automated charging and surgical-robotics research. These are reference scenes, not verified KWR168Ex compatibility or clinical approval; illustrated equipment is not included.\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"Kunwei Sensing","offers":[{"title":"KWR168BEx","offer_id":68046261616864,"sku":"KUN-5CA14D54","price":10133.0,"currency_code":"USD","in_stock":true},{"title":"KWR168CEx","offer_id":68046261649632,"sku":"KUN-470E7253","price":10133.0,"currency_code":"USD","in_stock":true},{"title":"KWR168DEx","offer_id":68046261682400,"sku":"KUN-6DC9CF8F","price":10143.0,"currency_code":"USD","in_stock":true},{"title":"KWR168EEx","offer_id":68046261715168,"sku":"KUN-3C0D5C95","price":10143.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/kunwei-kwr168ex-mounting-face-side-connector.webp?v=1792568651","url":"https:\/\/rcdrone.top\/hi\/products\/kunwei-kwr168ex-series-sensor","provider":"RCDrone","version":"1.0","type":"link"}