Search results for "school electronics"

1. All-round intelligent anti-burn protection, safe measurement, comprehensive protection for your safety2. Higher performance 10mhz bandwidth +48MS sampling, accurate capture of the waveform, master every detail3. Efficient detection and intelligent identification of easy to test devices, such as diodes, zener diodes, thyristors, capacitors, resistors, inductors, transistors, mosfet4. 13 kinds of signal waveforms, can meet a variety of test needs5. Built-in 1500mAh lithium-ion battery, Type-C charging, automatic sleep mode, suitable for long-time work6. USB share waveform data, easy to manage the oscilloscope, and connected to the PC via USB cable for secondary analysisFunctional parameters:1. Screen: 2.8-inch TFT color screen2. Backlight: adjustable backlight brightness3. Power supply: TYPE-C (5V/1A)4. Battery: 3.7V/1500mAh5. Language: Chinese, English, German, Portuguese, Spanish, Japanese, Russian, Korean6. Size: about 90 x 142 x 27.5mm7. Weight: about 186gOscilloscope parameters:1. Real-time sampling rate: 48MSa / s2. Analog bandwidth: 10MHz3. Input impedance: 1 megohm4. Coupling method: AC/DC5. Test voltage range: 1:1 probe: 80Vpp (+40V); 10:1 probe: 800Vpp (+400V)6. Vertical sensitivity: 10mV/div-10V/div (X1 gear)7. Vertical displacement: adjustable with indication level8. Horizontal time base range: 50ns-20s9. Trigger mode: automatic, regular and single (Auto/Normal/Single)10. Trigger type: rising edge, falling edge11. Trigger level: adjustable, with instructions12. Waveform freeze: Yes (HOLD function)Transistor parameters:1. Diode: forward voltage drop less than 5V2. Voltage regulator diode: 0-32V3. Field Effect Tube: JFET, IGBT, MIOSTET4. Unidirectional thyristor: turn-on voltage less than 5V, gate level5. Bidirectional thyristor: trigger current 6 less than mA6. Capacitance: 25pF-1000uF7. Resistance: 0.01 ohm-50 megohm8. Inductance: 10uH-1000uHSignal generator parameters:1. Output waveform: support 13 kinds of waveform output2. Waveform frequency: 0-50KHz3. Square wave duty cycle: 0-100 percent4. Waveform amplitude: 0.1V-3.0VPacking list:DSO-TC4 tester x 1P1600 oscilloscope probe x 1Adaptor x 1TYPE-C charging cable x 1Normal probe x 1Test hook x 3Specification: Package Weight One Package Weight 0.42kgs / 0.93lb One Package Size 21cm * 11cm * 7cm / 8.27inch * 4.33inch * 2.76inch Qty per Carton 50 Carton Weight 22.20kgs / 48.94lb Carton Size 55cm * 44cm * 35cm / 21.65inch * 17.32inch * 13.78inch Loading Container 20GP: 314 cartons * 50 pcs = 15700 pcs40HQ: 730 cartons * 50 pcs = 36500 pcs

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1. Three-in-one electronic clock module, integrating three practical functions: time, thermometer and voltmeter2. Using RX8025T clock chip, the timing accuracy is stable3. The lengthened temperature probe can effectively solve the problem that the temperature affected by the module temperature is not accurate enough4. Power supply voltage: DC5.0-30V5. Temperature function range: -40-120 degrees Celsius, resolution 0.16. Voltmeter function range: DC5-30V (requires pure DC power supply, it is not recommended to use 24V battery, because the voltage may be too high during charging and burn)7. Size: about 4x1.4x1.3cmFunction and usage instructions:1. Adjust time, date, year, voltage error, temperature error cycle display item definition, alternate display interval time2. In the non-setting state, press the left key to enter the time adjustment (note that the colon in the middle is bright):- At this time, the minute bar starts to flash, press the right button to increase, the adjustment range is 00-59, after adjusting, press the left button again, the hour bar starts to flash, press the right button to increase, the adjustment range is 00-23- After adjusting the hour, press the left button again to enter the date adjustment (note that the colon in the middle is off), at this time the date column starts to flash, press the right button to increase, the adjustment range is 1-31, after the date is adjusted, press the left button again key, the month column starts to flash, press the right key to increase, the adjustment range is 1-12, after adjusting the date, press the left key again, the year column starts to flash, press the right key to increase, the adjustment range is 2012-2049- After adjusting the year, press the left key again to enter the error calibration function of the displayed voltage, the unit is 0.1V, a positive number means increase, and a negative number means decrease- Then press the left key again to enter the temperature error calibration setting, press the right key to increase, a positive number means increase, a negative number means decrease, the unit is Celsius- Press the left button again to enter the definition function dd option of the display item in the cycle display state,Press the right button to change the value: (dd:0) time + temperature + voltage, (dd: 1) time + temperature, (dd: 3) time + voltage- Press the left button again to enter the cycle display alternate interval time dF option, press the right button to change the value, the larger the value, the longer the interval- Press the left button again to save all the set values ??and return to the normal display state3. Switch display items: in the non-setting state, press the right key to switch the display items, and the display will switch between the time-date-temperature-voltage alternate displaySpecification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 6cm * 3cm * 3cm / 2.36inch * 1.18inch * 1.18inch Qty per Carton 500 Carton Weight 12.00kgs / 26.46lb Carton Size 47cm * 23cm * 23cm / 18.5inch * 9.06inch * 9.06inch Loading Container 20GP: 1072 cartons * 500 pcs = 536000 pcs40HQ: 2489 cartons * 500 pcs = 1244500 pcs

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1. Measurement Range: 0.1 to 200,000 lux; 0.01~20,000Fc 2. Resolution: 0.1Lux / 0.01Fc 3. Accuracy:Float up or down 4% 4. Measurement speed: 2 times / second 5. Power: 9V battery (not including)* 1PCS 6. Data Hold function 7. High resolution and response quicklySpecification: Package Weight One Package Weight 0.14kgs / 0.31lb One Package Size 15.5cm * 8.4cm * 5.5cm / 6.1inch * 3.31inch * 2.17inch Qty per Carton 40 Carton Weight 8.20kgs / 18.08lb Carton Size 36cm * 34cm * 30cm / 14.17inch * 13.39inch * 11.81inch Loading Container 20GP: 726 cartons * 40 pcs = 29040 pcs40HQ: 1685 cartons * 40 pcs = 67400 pcs

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Features1. Business style appearance design. 2. Variable printing both speed and quality. 3. Built-in rechargeable 1400mAh 7.4V lithium-ion battery, long standby time. 4. Small size, light weight, wireless design, simple connection, easy operation and maintenance, reliable performance. 5. Applications: - The mobile police system. - The tobacco distribution system. - The utility meter reading system. - The mobile office / mobile logistics systems. - The portable instrumentation. - The testing equipment, ancillary equipment.Parameters1. Printing method: dot matrix printing. 2. Printing width: Paper width 58mm, effective width 48mm. 3. Printable content Chinese characters, English, numbers, various symbols. Print line width: 24 Chinese characters / line, 48 English characters / line or 36 Chinese characters / line, 72 English characters / line. 4. Chinese character encoding: GBK. 5. Built-in font: ASCII font (12 * 24 8 * 16), GBK (24 * 24 16 * 1). 6. Print speed: 2.1mm/s. Resolution: 5 points / mm 7. Data communication interface: Bluetooth. 8. Power supply: Machine charging 9V-2A. 9. Print time: Continuous printing3-4 hours. 10. Instruction set: ESC / POS compatible instruction set. 11. Cut paper: Manually tear. 12. Paper roll diameter: 40mm. 13. Operating system: Android, iOS, Win9X/Win ME/Win2000/WinNT/WinXP, Win Vista, Win7, Win8, Linux. 14. Standard accessories: Thermal paper x 1, power adapter x 1, battery x 1, data cable x 1.Specification: General Model Number QS-5802 Material ABS Printer Type Dot Matrix Printer Printing Method Dot Matrix Printing Printing Speed 2.1mm/s Print Width 48mm Print Font ASCII font, GBK Paper Size 58mm width Software Language English, Chinese Dimensions Size 120*100*50mm Package Included Package Contens 1 x Printer 1 x Power Adapter 1 x Thermal Roll Package Weight One Package Weight 0.63kgs / 1.38lb One Package Size 22cm * 16.5cm * 5.7cm / 8.66inch * 6.5inch * 2.24inch Qty per Carton 20 Carton Weight 11.94kgs / 26.32lb Carton Size 46cm * 35cm * 30cm / 18.11inch * 13.78inch * 11.81inch Loading Container 20GP: 552 cartons * 20 pcs = 11040 pcs40HQ: 1281 cartons * 20 pcs = 25620 pcs

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1. Shell material: ABS2. Key material: silicone3. Transmission distance: more than or equal to 8m4. Power supply: 3 x AAA (not included)5. Learning remote control, macro command function, you can turn on the TV regularly, saving worry and power6. Permanent memory function, even if there is no power, the original settings will not be lost, avoiding the trouble of resetting7. Key transfer function, using the transfer function, one key to get it done, convenient and quick8. Volume sharing function, after setting this function, the volume of multiple devices can be controlled by the volume of the TV9. Dimensions: about 21 x 6 x 2.5cmSpecification: Package Weight One Package Weight 0.27kgs / 0.60lb One Package Size 25cm * 15cm * 5cm / 9.84inch * 5.91inch * 1.97inch Qty per Carton 118 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 118 pcs = 20886 pcs40HQ: 412 cartons * 118 pcs = 48616 pcs

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Overview1. This is a small 1D/2D codes reader, by using the intelligent image recognition algorithm, it will decode the barcode or 2D code on paper or screen, fast and accurately.2. Through the onboard USB and UART interface, it can be directly plugged into a computer, or be easily integrated to kinds of devices due to its small form factor.Features1. Easy to use, requires no knowledges of image recognition2. Decodes various common 1D/2D codes such as Barcode, QR code etc.3. Onboard micro USB and UART serial port, allows to connect with computers or embedded devices4. Configurable via scanning configuration code5. Onboard light source, works in the darkSpecifications1. Operating voltage: 5V2. Operating current: 135mA (scanning), 58mA (standby), 2mA (sleep)3. Operating temperature: 0°C~60°C4. Operating humidity: 5%~95% (Non-condensing)5. Communication interface: UART, USB6. Decodes 1D codes: Codebar, Code 11, Code 39/Code 93, UPC/EAN, Code 128/EAN128, Interleaved 2 of 5, Matrix 2 of 5, MSI Code, Industrial 2 of 5, GS1 Databar(RSS)7. Decodes 2D codes: QR code, Data Matrix, PDF4178. Light source: white9. Scan angels: roll 360°, skew ±65°, pitch ±60°10. Field of view: 28° (horizontal), 21.5° (vertical)11. Dimension: 53.3mm x 21.4mm12. Package contents:- Barcode Scanner Module x1- USB type A plug to micro B plug cable x1- PH2.0 4Pin x1Specification: Package Weight One Package Weight 0.10kgs / 0.21lb One Package Size 8cm * 4cm * 2cm / 3.15inch * 1.57inch * 0.79inch Qty per Carton 1400 Carton Weight 134.40kgs / 296.30lb Carton Size 56cm * 40cm * 40cm / 22.05inch * 15.75inch * 15.75inch Loading Container 20GP: 297 cartons * 1400 pcs = 415800 pcs40HQ: 690 cartons * 1400 pcs = 966000 pcs

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1. Material: ABS, electronic components2. Applicable battery type: NiMH/NiCd3. Battery size: AA/AAA4. Charging current: 0.2-2.2A5. Discharge current: 0.1-1.0A6. Discharge cut-off voltage: 0.9V7. Support battery capacity: 500-3200mAh8. Capacity protection: 3200mAh9. Input voltage: DC 12V 2.0A10. Mode: fast charge, charge, discharge, activate, activate11. Interactive LED status feedback, each independent working channel has an independent LED light, which is convenient to observe the charging status12. AV black and white screen with animated highlights13. Dimensions: 11.21 x 10.8 x 6.2 cm14. Net weight: 370 grams15. Note: Shipping without battery!Specification: Package Weight One Package Weight 0.42kgs / 0.93lb One Package Size 13.5cm * 12.5cm * 7cm / 5.31inch * 4.92inch * 2.76inch Qty per Carton 70 Carton Weight 30.00kgs / 66.14lb Carton Size 55cm * 51cm * 28cm / 21.65inch * 20.08inch * 11.02inch Loading Container 20GP: 339 cartons * 70 pcs = 23730 pcs40HQ: 788 cartons * 70 pcs = 55160 pcs

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1. Display: 2.4-inch TFT colour screen, LED backlighting2. Supply voltage: built-in 1500mAh rechargeable lithium battery3. Charging specification: USB Type-C, +5V4. Product volume: 79x103x31mm5. Real-time sampling rate: 10MSa / s6. Analogue bandwidth: 500Khz7. Input impedance: 1 milliohm8. Coupling method: AC/DC9. Test voltage range: 400V10. Vertical sensitivity: 10mV-10V11. Horizontal time base range: 1us-10s12. Trigger mode automatic: normal single13. Trigger type: rising edge/falling edge14. Compact body, simple modelling, easy to use, to meet the measurement routine15. Automatic identification and measurement of various transistors, including NPN and PNP transistors, N-channel and P-channel FETs, junction FETs, diodes, dual-diode thyristors, etc., as well as resistors, inductors, capacitors and other passive components16. Built-in 1500mAh high-capacity lithium battery, power supply continuous operation without isolation transformer, safer to use17. 2.4-inch anti-see-through high-resolution display, allowing you to read clearly even in bright sunlight18. One-piece folding, placed in a stable support, does not take up space19. Size: 79x103x31mmStandard:- DSO-TC3 Tester x 1-Type-C charging cable x 1-Common probe x 1-Test Hook x 3Upgrade:-DSO-TC3 Tester x 1-Adaptor x 1-P6100 High Voltage Probe x 1-Type-C charging cable x 1-Normal Probe x 1-Test Hook x 1Specification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 13cm * 18cm * 6cm / 5.12inch * 7.09inch * 2.36inch Qty per Carton 50 Carton Weight 16.00kgs / 35.27lb Carton Size 64cm * 32cm * 31cm / 25.2inch * 12.6inch * 12.2inch Loading Container 20GP: 420 cartons * 50 pcs = 21000 pcs40HQ: 975 cartons * 50 pcs = 48750 pcs

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Size:19x9x6CM Model Number:LD146 Weight:0.035kg Type: Pencil CaseOpening method: zipperMaterial: Iridescent Laser PUSpecification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 21cm * 11cm * 7cm / 8.27inch * 4.33inch * 2.76inch Qty per Carton 385 Carton Weight 15.00kgs / 33.07lb Carton Size 30cm * 50cm * 50cm / 11.81inch * 19.69inch * 19.69inch Loading Container 20GP: 355 cartons * 385 pcs = 136675 pcs40HQ: 825 cartons * 385 pcs = 317625 pcs

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1. RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom 2. Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz 3. 264KB of SRAM, and 2MB of on-board Flash memory 4. USB-C connector, keeps it up to date, easier to use 5. Castellated module allows soldering direct to carrier boards 6. USB 1.1 with device and host support 7. Low-power sleep and dormant modes 8. Drag-and-drop programming using mass storage over USB 9. 29 x multi-function GPIO pins (20 x via edge pinout, others via solder points) 10. 2 x SPI, 2 x I2C, 2 x UART, 4 x 12-bit ADC, 16 x controllable PWM channels 11. Accurate clock and timer on-chip 12. Temperature sensor 13. Accelerated floating-point libraries on-chip 14. 8 x Programmable I/O (PIO) state machines for custom peripheral supportSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 500 Carton Weight 8.00kgs / 17.64lb Carton Size 52cm * 40cm * 39cm / 20.47inch * 15.75inch * 15.35inch Loading Container 20GP: 328 cartons * 500 pcs = 164000 pcs40HQ: 763 cartons * 500 pcs = 381500 pcs

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1. Stereo audio, wide frequency response, high efficiency, low distortion and low noise, good sound effect2. There is a volume adjuster, easy to adjust the sound3. With power reverse connection protection, short circuit protection and overheat protection4. Wide supply voltage and two input modes, higher efficiency5. Material: PCB circuit board6. Power supply voltage: DC 5-24V7. Bluetooth version: 5.08. Transmission distance: about 15 meters (visible and unobstructed)9. Number of channels: two channels (stereo)10. Output power: 20Wx2 12V 4 ohms, 30Wx2 16V 4 ohms, 30Wx2 21V 8 ohms, 40Wx2 24V 8 ohms11. Adapter speaker (40-200W): 4 ohms (5-16V power supply), 8 ohms (5-24V power supply)12. Module protection mechanism: power reverse connection/short circuit/self-recovery overheating protection13. Size: about 5.08x3.8x1.815cmPrecautions:1. Keep a safe distance from the router to avoid wifi interference2. It is recommended to use 5-24V DC power supply voltage, higher than 26V chip will burn3. The power supply should be within 16V when connected to a 4-ohm speaker, and within 24V when connected to an 8-ohm speaker4. The power supply current is recommended to be more than 2A5. The speaker cable should not be too long, it is recommended to be within 1m6. Pay attention to electrostatic protection. Before touching the power amplifier board, you need to release the static electricity on your hands to avoid the breakdown of the chip by static electricity. The Bluetooth chip is more sensitive to static electricity.7. It is recommended that the rated power of the speaker is 40W and above to avoid the speaker being overheated and burnedSpecification: Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 8cm * 6cm * 2.5cm / 3.15inch * 2.36inch * 0.98inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 50cm * 50cm * 54cm / 19.69inch * 19.69inch * 21.26inch Loading Container 20GP: 197 cartons * 500 pcs = 98500 pcs40HQ: 458 cartons * 500 pcs = 229000 pcs

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1. CPU: 32-bit ARM CPU 2. Data space: 4MB Flash, store 10,000 pieces of data 3. Display: 1.77 inch, TFT color screen 4. Net weight: about 186g 5. Size: 170x100x75mm 6. Wireless communication: supports ultra long distance transmission - indoor 30 meters, outdoor 80 meters. It would automatically store scanned data if the distance is exceeded 7. Wired communication: Type-C port 8. Power supply: built-in 1800mAh lithium polymer battery 9. Working hours: continuous work for up to 12 hours 10. Charging time: 4 hours 11. Scan module: red light image, visible red light 632nm, linear CCD sensor, decoding speed up to 300 times/second 12. Read the types of barcodes: EAN-8, EAN-13, Codebar, CODE11, CODE39, CODE93, CODE128, ChinaPost, UPC-A, UPC-E, ISBN/ISSN, ISBT, Interleaved 2of5, Matrix 2of5, Industrial 2of5, MSI Plessey, ITF14, GS1-128, GS1 Limited, GS1 Omnidirectional, etc. 13. Read the types of 2D code: PDF417, QR Code, DataMatrix, etc 14. Packing List: wireless scanner, USB data cable, wireless receiver, packaging box, user manualSpecification: Package Weight One Package Weight 0.23kgs / 0.50lb One Package Size 20cm * 8.5cm * 6.5cm / 7.87inch * 3.35inch * 2.56inch Qty per Carton 40 Carton Weight 9.80kgs / 21.61lb Carton Size 42cm * 36cm * 35cm / 16.54inch * 14.17inch * 13.78inch Loading Container 20GP: 503 cartons * 40 pcs = 20120 pcs40HQ: 1169 cartons * 40 pcs = 46760 pcs

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