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Electrodynamic Exciter Drivers Visaton Exciters are designed to convert a flat panel into a loudspeaker instead of fitting a conventional loudspeaker Panels of many different materials and sizes can be used such as plywood， polystyrene ceiling tiles and plexiglass Exciters provide an invisible sound source which is also proof against external influences (water， dust， sharp objects) Sound quality can be very good and their non directional sound production means that positioning in a room is not so important as with conventional speakers Exciters are easy to install and do not require holes cutting to accommodate them Exciters are a new and innovative type of speaker They are electromagnetic devices which connect to an ordinary audio amplifier in the conventional way by means of loudspeaker cable Once fixed in place to the rear of a panel， the audio signal causes the exciter unit to vibrate which in turn makes the panel to which it is fixed vibrate and create sound The quality of the reproduced sound is very much dependent on the type of surface the exciter is attached to The sound will generally be better with larger panels which are light and rigid Measurements such as frequency response and sound pressure level will depend on the surface material Ideally the exciter should be fitted slightly off centre on the panel and should be firmly attached by means of gluing and/or screwing.

DescriptionThis 7" Raspberry Pi Touchscreen LCD provides you with the ability to create a standalone device that can be utilized as a custom tablet or an all-in-one interactive interface for a future project using your Raspberry Pi 3. Each LCD features a full color 800×480 capacitive touch display that connects to the Pi via an included adapter board which handles all of your power and signal conversion needs. An updated version of Raspbian OS on the A+， B+ and Pi2B is required for the display to work(the display does not work with the current version of Raspbian available on the Model A or B).What makes this LCD great is the fact that it only requires two connections to be hooked up to the Pi； power from the Pi's GPIO port and a ribbon cable that connects to the DSI port present on all Raspberry Pi's. Touchscreen drivers with support for 10-finger touch and an on-screen keyboard allow you to use your Raspberry Pi without an external keyboard or mouse.With this Raspberry Pi LCD you can create your own 'Internet of Things'(IoT)devices including a visual display by simply connecting your Pi， developing a easy Python script to interact with the display， and you'll be ready to create your own home automation devices with touch screen capability.Note：The latest version of Raspbian OS is required for this Raspberry Pi LCD to operate correctly.Features7" Touchscreen Display.Screen Dimensions：194mm×110mm×20mm(including standoffs)Viewable screen size：155mm×86mm70 degree viewing angleScreen Resolution 800×480 pixels @ 60fps24-bit color10 finger capacitive touch.Connects to the Raspberry Pi board using a ribbon cable connected to the DSI port.Adapter board is used to power the display and convert the parallel signals from the display to the serial(DSI)port on the Raspberry Pi.

DescriptionTurn your ideas into a reality quickly with the new Arduino Nano EveryThis small， robust and powerful board has the same classic Nano footprint loved worldwide. It can be programmed with the easy to use Arduino IDE available offline an

DescriptionThe MI：power board for the BBC micro：bit brings real portability to your wearable projects. The stylish， lightweight PCB is designed to fit snugly against the BBC micro：bit and features a built-in buzzer and 3V coin cell holder. This la

SKF Ball Bearing - 95 mm ID， 200 mm OD - 7319 BECBM Need to support a load at an angle to the bearing axis This angular contact bearing from SKF is designed to accommodate a combination of radial and axial loads， both working at the same timeAs the contact angle increases， so does the bearings ability to carry an axial load， which enables it to work at speed without difficultyThis， along with a versatile race width of 45 mm， makes it well-suited for use in a wide range of high-speed applications. Open end type allows regreasing Single-row design， for versatile use and virtually no maintenance required Cylindrical bore type is easy to fit Angular contact bearings offer reliable resilience and allow higher operational speeds Application Information Materials handling and machine tools Electric motors， clutches and gearboxes Wind energy industrySKF アングルコンタクトボールベアリングは、内側が 95 mm、外側が 200 mm の軌道を備え、ベアリング軸の方向に相対的に配置されています。つまり、このベアリングは、荷重の組み合わせ(ラジアルとアキシャルの負荷を同時に処理)に対応するように設計されています。 アングルコンタクトボールベアリングの軸方向の積載荷重は、コンタクト角度が大きくなると増加します。接触角度は、ボールの接触点とラジアル平面の軌道を結合する線との間の角度で定義されます。この角度に沿って、結合荷重がある軌道から別の軌道に伝達され、ベアリング軸に垂直な線が伝達されます。 Can individual angular contact bearings be used to handle axial loads in both directions 1 列設計 円筒穴タイプ スチール製ベアリングNoWhen used individually， angular contact bearings can accommodate axial loads in one direction onlyTo support an axial load in both directions， you can install a pair of angular contact bearings.

SKF Ball Bearing， 180 mm ID， 225 mm OD - 61836 This single-row， deep-groove ball bearing from SKF is suited to high rotational speeds in demanding industrial applicationsIts slim design is space-saving and lightweight for optimal operating efficiency of the unitStainless steel construction makes the bearing extremely corrosion-resistant， so it wont rust in the presence of moisture and most chemicalsIts an open-end type and has no seals， which allows old lubricant to be easily flushed out as new grease is applied to the bearing. Cylindrical bore type Deep-groove design for low friction torque Low noise and vibration Race width of 22 mm Dynamic load rating of 62.4 kN Limiting speed of 3400 r/min Application Information Automotive industry Mining and mineral processing Printing Textile manufactureSKF スラストボールベアリングは、単方向又はダブル方向のスラストボールベアリングとして製造されています。この製品は、軸方向の荷重にのみ対応するように設計されており、半径方向の荷重に晒さないでください。内径 180 mm、外径 225 mm となっています。 What makes SKF ball bearings long-lasting ベアリングはスチール製です 円筒穴タイプThe internal geometry of the SKF range of deep-groove ball bearings has been optimised for improved seal attachment， low friction and increased ability to accommodate slight misalignmentsAll these elements reduce wear and tear on the bearings and improve their working life while maintaining reliability and precision.

SKF Ball Bearing - 100 mm ID， 215 mm OD - 7320 BECBM Use this angular ball bearing from SKF to support heavier or combined loadsIt has a race width of 47 mm and is designed to handle both radial and axial loads acting simultaneouslyDepending on the contact angle， it can also handle heavier thrust loadsThe bearings axial load carrying capacity increases in line with the contact angle， which means it can handle heavy-duty tasks efficiently and rapidlyBecause of this， its particularly well-suited to high-speed applications. Open end type allows for simple regreasing Single-row design needs minimal maintenance Cylindrical bore type is straightforward to fit Angular contact bearings offer better endurance at high speeds Application Information Auto workshops， for example in gearboxes， engines and clutches Wind turbines Pumps Machine handling and steel millsSKF アングルコンタクトボールベアリングは、ベアリング軸の方向に相対的に配置される 100 mm の内輪及び 215 mm の外輪軌道を備えています。つまり、このベアリングは、荷重の組み合わせ(ラジアルとアキシャルの負荷を同時に処理)に対応するように設計されています。 アングルコンタクトボールベアリングの軸方向の積載荷重は、コンタクト角度が大きくなると増加します。接触角度は、ボールの接触点とラジアル平面の軌道を結合する線との間の角度で定義されます。この角度に沿って、結合荷重がある軌道から別の軌道に伝達され、ベアリング軸に垂直な線が伝達されます。 How are angular contact bearings different from other ball bearings 1 列設計 円筒穴タイプ スチール製ベアリングAngular contact bearings have an asymmetrical design， which lets them support loads where the line of application is not at a right angle to the bearing axisThis means theyre suited for a wide range of different loads， including torque loads and radial loads.

DescriptionThe SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This Function Board includes three sensors to monitor air quality(SGP40)， humidity temperature(SHTC3)， and CO2 concentrations(STC31)in your indoor environment. To make it even easier to use， all communication is over the MicroMod's I2C bus!The SGP40 measures the quality of the air in your room or house. The SGP40 uses a metal oxide(MOx)sensor with a temperature controlled micro hotplate and provides a humidity-compensated volatile organic compound(VOC)based indoor air quality signal. Both the sensing element and VOC Algorithm feature an unmatched robustness against contaminating gases present in real world applications enabling a unique long term stability as well as low drift and device to device variation.The SHTC3 is a highly accurate digital humidity and temperature sensor. The SHTC3 uses a capacitive humidity sensor with a relative humidity measurement range of 0 to 100% RH and bandgap temperature sensor with a temperature measurement range of -40℃ to 125℃. The SHTC3 builds on the success of their SHTC1 sensor with higher accuracy(±2% RH， ±0.2℃)than its predecessor， enabling greater flexibility.The STC31 measures CO2 concentrations based on thermal conductivity and has two CO2 measurement ranges：0 to 25 vol%； and 0 to 100 vol%. The measurement repeatability is 0.2 vol%， with a stability of 0.025 vol% / ℃. The measurement accuracy depends on the measurement range：0.5 vol% + 3% measured value； 1 vol% + 3% measured value. Using measurements from the SHTC3， the STC31 is able to provide humidity-compensated measurements together with improved temperature compensation. The STC31 can compensate for atmospheric pressure too - which is handy if， like us， you're up in the mountains!The outstanding performance of these three sensors is based on Sensirion's patented CMOSens(R)technology， which combines the sensor element， signal processing， and digital calibration on a small CMOS chip. The well-proven CMOS technology is perfectly suited for high-quality mass production and is the ideal choice for demanding and cost-sensitive OEM applications.Utilizing our handy M.2 MicroMod connector， no soldering is required to connect it to your system. Simply match up the key on your processor and function board's beveled edge connector to their respective key on the M.2 connector， then secure them to the main board with screws. The MicroMod Environmental Function Board can then be read via the I2C port. The board is equipped with the AP2112 3.3V voltage regulator， I2C pull-up resistors， power LED， jumper to disable the LED， and jumpers for alternative STC31 addresses.Note：A MicroMod Processor and Main Board are not included with this MicroMod Environmental Function Board. These boards will need to be purchased separately.MicroMod is a modular interface ecosystem that connects a microcontroller "processor board" to various "carrier board" peripherals. Utilizing the M.2 standard， the MicroMod standard is designed to easily swap out processors and function boards on the fly. Pair a specialized carrier board for the project you need with your choice of compatible processor!Get Started with the MicroMod Environmental Function BoardFeaturesInput voltage range2.5V to 6.0VTyp.5Vvia Main Board's USB connectorTyp.～3.7V to 4.2Vvia Main Board's LiPo battery ConnectorI/O voltage3.3VAP2112 3.3V voltage regulator(rated 600mA)Power LEDI2C pull-up resistorsSensirion SGP40 Air Quality SensorUses I2C interfaceAddress：0x59(default)Operating voltage range1.7V to 3.6V(Typ.3.3V)Operating temperature range-20℃ to +55℃Typical current consumption2.6mAduring continuous operation(at 3.3V)34μAwhen idle(heater off)Output signalDigital raw value(SRAW)：0 - 65535 ticksDigital processed value(VOC Index)：0 - 500 VOC index pointsSwitch-on behaviorTime until reliably detecting VOC events：<60sTime until specifications are met：<1hRecommended sampling intervalVOC Index：1sSRAW：0.5s - 10s(Typ. 1s)Sensirion SHTC3 Humidity and Temperature SensorUses I2C interfaceAddress：0x70(default， non-configurable)Operating voltage range1.62V - 3.6V(Typ.3.3V)Operating temperature range-40℃ to +125 ℃Relative HumidityMeasurement range：0% to 100%Typical accuracy：±2 %RHResolution：0.01 %RHTemperatureMeasurement range：-40℃ to +125 ℃Typical accuracy：±0.2 ℃Resolution：0.01 ℃Typical current consumption(varies based on mode)4.9μA to 430μA(Normal Mode)0.5μA to 270μA(Low Power Mode)Allows the STC31 to compensate for humidity and temperatureSensirion STC31 CO2 SensorUses I2C interfaceAddresses：0x29(default)， 0x2A， 0x2B， 0x2COperating voltage range2.7V to 5.5V(Typ.3.3V)Operating temperature range-20 ℃ to +85 ℃Calibrated for CO2 in N2 and CO2 in airMeasurement ranges0 to 25 vol% in N20 to 100 vol% in airAccuracy0.5 vol% + 3% measured value in N21 vol% + 3% measured value in airConcentration and temperature resolution：16-bitRepeatability：0.2 vol%Temperature stability：0.025 vol% / ℃Start-up time：14 msThermal conductivity sensor provides calibrated gas concentration and temperature outputJumpersPWR LEDI2C pull-up resistorsSTC31 address selectionNote：The I2C addresses that are reserved for each sensor is 0x59(SGP40)， 0x70(SHTC3)， 0x29(STC31). A multiplexer/Mux is required to communicate to multiple SHTC3 sensors on a single bus. The SHTC3 uses the same address as the Qwiic Mux(0x70). For advanced users that are using multiple SHTC3's with the Qwiic Mux， you will need to adjust the Qwiic Mux's default address.

ポジティブディスプレイスメントの原理を備えたコンビチップアドバンスは、液体の密度や液性(例えば蒸気圧が高い液体や粘性のある液体)に関わらず、常に希望通りの正確な容量での液体の分注が可能です。ピストンの形状によって実現した高い密閉性により、エアロゾルによるコンタミネーションを防ぐことができ、放射性物質や有害物質を取り扱う際も安全に分注出来ますコンビチップアドバンスは全てのエッペンドルフマルチペット用に適したチップです9つの容量サイズ(0.1mL～50mL)により、幅広い分注容量に対応します。チップによっては、0.1mL刻みで分注容量を設定できます2.5mL、5.0mL、10mL容量のコンビチップアドバンスは、最も一般的な実験室容器の底まで到達できるよう、長くなりました。容量ごとに異なるカラーコードで、使いたいコンビチップアドバンスをすぐに見つけられますユニークなチップ形状によって、グローブの損傷を防止しますコンビチップアドバンスは、任意のアプリケーションをサポートするために、4つの異なる純度レベルで提供されます用途別に使い分けることが出来る純度レベル：EppendorfQuality、PCRclean、ForensicDNAGrade、Biopurアプリケーションポジティブディスプレイスメントの原理(シリンジタイプ)液体の物性(粘度、揮発性、密度、温度等)に関わらず高精度の分注安全な分注のために、ピストンの形状によって実現した高い密閉性によるエアロゾルコンタミネーションの防止放射性物質および有害物質からの保護時間のかかる同一容量の反復的な分注を、素早く正確に(連続分注機マルチペットを使用)

ポジティブディスプレイスメントの原理を備えたコンビチップアドバンスは、液体の密度や液性(例えば蒸気圧が高い液体や粘性のある液体)に関わらず、常に希望通りの正確な容量での液体の分注が可能です。ピストンの形状によって実現した高い密閉性により、エアロゾルによるコンタミネーションを防ぐことができ、放射性物質や有害物質を取り扱う際も安全に分注出来ますコンビチップアドバンスは全てのエッペンドルフマルチペット用に適したチップです9つの容量サイズ(0.1mL～50mL)により、幅広い分注容量に対応します。チップによっては、0.1mL刻みで分注容量を設定できます2.5mL、5.0mL、10mL容量のコンビチップアドバンスは、最も一般的な実験室容器の底まで到達できるよう、長くなりました。容量ごとに異なるカラーコードで、使いたいコンビチップアドバンスをすぐに見つけられますユニークなチップ形状によって、グローブの損傷を防止しますコンビチップアドバンスは、任意のアプリケーションをサポートするために、4つの異なる純度レベルで提供されます用途別に使い分けることが出来る純度レベル：Eppendorf Quality、PCR clean、Forensic DNA Grade、Biopurアプリケーションポジティブディスプレイスメントの原理(シリンジタイプ)液体の物性(粘度、揮発性、密度、温度等)に関わらず高精度の分注安全な分注のために、ピストンの形状によって実現した高い密閉性によるエアロゾルコンタミネーションの防止放射性物質および有害物質からの保護時間のかかる同一容量の反復的な分注を、素早く正確に(連続分注機マルチペットを使用)

ポジティブディスプレイスメントの原理を備えたコンビチップアドバンスは、液体の密度や液性(例えば蒸気圧が高い液体や粘性のある液体)に関わらず、常に希望通りの正確な容量での液体の分注が可能です。ピストンの形状によって実現した高い密閉性により、エアロゾルによるコンタミネーションを防ぐことができ、放射性物質や有害物質を取り扱う際も安全に分注出来ますコンビチップアドバンスは全てのエッペンドルフマルチペット用に適したチップです9つの容量サイズ(0.1mL～50mL)により、幅広い分注容量に対応します。チップによっては、0.1mL刻みで分注容量を設定できます2.5mL、5.0mL、10mL容量のコンビチップアドバンスは、最も一般的な実験室容器の底まで到達できるよう、長くなりました。容量ごとに異なるカラーコードで、使いたいコンビチップアドバンスをすぐに見つけられますユニークなチップ形状によって、グローブの損傷を防止しますコンビチップアドバンスは、任意のアプリケーションをサポートするために、4つの異なる純度レベルで提供されます用途別に使い分けることが出来る純度レベル：Eppendorf Quality、PCR clean、Forensic DNA Grade、Biopurアプリケーションポジティブディスプレイスメントの原理(シリンジタイプ)液体の物性(粘度、揮発性、密度、温度等)に関わらず高精度の分注安全な分注のために、ピストンの形状によって実現した高い密閉性によるエアロゾルコンタミネーションの防止放射性物質および有害物質からの保護時間のかかる同一容量の反復的な分注を、素早く正確に(連続分注機マルチペットを使用)

RS PRO Black Rubber Sheet， 1 m x 600 mm x 6 mmDo you need a general-purpose barrier for use in your factory or workshop. This versatile natural rubber sheet can be used with acids and alkalis， as well as water and even ethylene glycol， and it can withstand temperatures ranging from -20℃ to +70℃， making it suitable for use in cold storage and industrial freezers. The two-ply rubber sheet includes a polyester fabric insert through the centre. This increases durability and provides additional resistance to tearing. The rubber sheet can tolerate substantial stress and force without breaking and has excellent tensile strength. As with all our trusted RS PRO range products， this natural rubber sheet has been rigorously tested for reliability and consistency of performance. Hard-wearing， abrasion-resistant rubber sheets like these are frequently used as packing materials， seals， or protective barriers in industrial environments， and are best suited for indoor use.Features and Benefits. Natural rubber sheet with polyester insert in the centre for additional strength . Density of 1.5 g/cm3 . Minimum operating temperature of -20℃ . Maximum operating temperature of +70℃ . Length of 1 m . Width of 600 mm . Thickness of 6 mm . Suitable for use with water， acids and alkalis as well as ethylene glycol . Black in colourRS PRORS PRO is our own brand range and brings you a wide range of high-quality， great value products offering you more choice. Trusted by engineers all over the world， every part of every RS PRO product has been rigorously tested against demanding industry standards they’re only given the RS PRO Seal of Approval if we’re confident of their exceptional quality， which means you can be confident too.