Search results for "environmental electronics"

The main function:1. Reset function: Press and hold the power button for 3 seconds in the power-on state, and then release it, when the screen displays "----", the reset is successful2. Automatic temperature compensation function: 0-80 degrees Celsius3. Power-off data storage function: the data will be automatically saved after the battery is pulled out, and the storage time is one month4. Test paper function: the color of the backlight will change with the PH value, just like litmus test paperProduct specifications:1. Material: PC + ABS flame retardant2. Calibration method: 3-point automatic calibration3. Resolution: 0.01PH4. Batteries: 2 x LR44 button batteries (batteries are included in the delivery)5. Range: -2-16PH (usually 0-14PH)6. Temperature range: 0-80 degrees Celsius7. Dimensions: 15.5 x 3.2 cm8. Net weight: 58 gramsSpecification: Package Weight One Package Weight 0.14kgs / 0.31lb One Package Size 17cm * 6cm * 3cm / 6.69inch * 2.36inch * 1.18inch Qty per Carton 100 Carton Weight 16.00kgs / 35.27lb Carton Size 37cm * 32cm * 32cm / 14.57inch * 12.6inch * 12.6inch Loading Container 20GP: 703 cartons * 100 pcs = 70300 pcs40HQ: 1633 cartons * 100 pcs = 163300 pcs

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1. Projection technology: 4-inch LCD display technology2. Bulb type: LED light source3. Lamp life: 30000 hours4. Brightness: 180 lumens5. Resolution: 1920x10806. Contrast ratio: 1000:17. Optical machine: integrated semi-closed optical machine8. Throw ratio: 1.3:19. Input port: AV/USB/HDMI10. Keystone correction: automatic up and down keystone, electronic keystone correction, support side projection11. Focusing method: electric focus12. Menu language: Chinese/English/French/Spanish/Poland/Russia etc. 32 countries13. Projection size: 30-150 inches14. Speaker: 4Ohm 3W independent multimedia sound chamber x215. Total power: 75W16. Power supply voltage: AC110-240 50-60HZ17. Same screen mode: wireless same screen18. On-screen technology: Air Play/Mriacast WiFi Display19. Android version: Android 9.020. Wireless connection: WiFi Bluetooth21. CPU: MTK9269/HI35222. Operating memory ROM: 1GB23. Memory RAM: 8GB EMMC24. WiFi: 2.4G+5G support WIFI625. Bluetooth: Bluetooth 5.026. Operation control: mouse/infrared remote control/near field voice27. Dimensions: 125mmx165mmx195mm28. Packing list:Projector x 1HDMI cable x 1AV cable x 1Power cord x 1Manual x 1Remote control x 1Specification: Package Weight One Package Weight 2.21kgs / 4.87lb One Package Size 30cm * 22cm * 18cm / 11.81inch * 8.66inch * 7.09inch Qty per Carton 4 Carton Weight 10.32kgs / 22.75lb Carton Size 48cm * 42cm * 32cm / 18.9inch * 16.54inch * 12.6inch Loading Container 20GP: 413 cartons * 4 pcs = 1652 pcs40HQ: 959 cartons * 4 pcs = 3836 pcs

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Product description:2 in 1 out or 1 in 2 out audio source signal selection, switcher, computer, speaker, audio source, switcher, RCA interface, lossless transmission1. No need for power supply design, direct plug and direct use, no loss of input and output signals, switching transmission,2. This product is mainly used to select a common output device for switching various stereo signal input. If there are two stereo signal sources (such as TV audio, MP3 player, CD player, video game, mobile phone, tablet, computer, record player), the device needs to output to the power amplifier or active speaker.3. Two sets of stereo source switchers solve the complex line plugging operation. As long as the required input device signal source is uniformly connected to the switcher, it can be easily selected.4. RCA interface design is used for product input and output standards, and the switch is designed with manual push-button switch of precise 2 positions.Product parameters:1. Power supply: no power supply, plug in and use directly2. Material: All metal case design3. Input and output impedance: 10 k ohms - 50 k ohms4. Frequency response: 20-20 kHz5. Distortion: Less than 0.002%6. Insertion loss: Less than 0.01dB7. Signal gain: 0dB8. SNR S/N: More than 98dB9. Input interface: Standard RCA interface10. Output interface: Standard RCA interface11. Number of input channels: 2 stereo input signal sources12. Number of output channels: 1 channel stereo output13. Control switch: Accurate selection of gear 2, manual switch14. Net weight: 0.14kg15. Gross weight after packaging: 0.16kg16. Product size: Length 69mm x width 43mm x height 39mm17. Package size: Length 83mm x width 73mm x height 51mm18. Kit list: 2 in 1 out signal selection switcher x 1Specification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 10cm * 8cm * 6cm / 3.94inch * 3.15inch * 2.36inch Qty per Carton 100 Carton Weight 16.00kgs / 35.27lb Carton Size 52cm * 42cm * 25cm / 20.47inch * 16.54inch * 9.84inch Loading Container 20GP: 488 cartons * 100 pcs = 48800 pcs40HQ: 1133 cartons * 100 pcs = 113300 pcs

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About the product1. Radiation survey meter can test electric field radiation and magnetic field emission to reach the optimal test result. 2. It is used to test and learn electromagnetic radiation situation indoor and outdoor. 3. It is equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on LCD digital display after processing by the control micro-chip. 4. You can make reasonable processing or taking effective prevention measures toward the electromagnetic radiation according to the test resultFeatures1. One instrument with two uses, it can test the electric field and the magnetic field radiation at the same time 2. Sound-light alarm, when the test result exceeds the safe value, the instrument will alarm automatically 3. Data locking, one-key lock of the radiation value 4. LCD graphic display of the radiation value trend 5. Radiation assessment, remind you whether the radiation value is safe or not 6. Fashionable design, easy on-hand operation, it is easy to move or make field measurementRange of Application1. Electromagnetic radiation monitoring: House and apartment, office, outdoor and industrial site 2. Electromagnetic radiation test: Mobile phone, computer, TV set, refrigerator and high voltage cable radiation test 3. Radiation protection product test: Test effects of radiation-proof clothes, radiation-proof film and other prevention articlesSpecification: General Operating Temperature 0 ~ 50 Degree Celsius Operating Humidity relative humidity <80% Power Supply 6F22 9V battery Presicion 1V/m (electric); 0.01uT (magnetic) Range (Electric Field) 1V/m-1999V/m Range (Magnetic Field) 0.01uT-19.99uT Alarm Threshold Value (Electric) 40V/m Alarm Threshold Value (Magnetic) 0.4uT Reading Display 3-1/2-digit LCD Testing Bandwidth 5Hz-3500MHz Sampling Time about 0.4 seconds Test Mode Bimodule synchronous test Over Range Indication LCD displays "1" Size 125.8mm x 63.6mm x 31mm Weight 146g Package Include Package Contents 1 x Manual 1 x Battery 1 x Electromagnetic Radiation Tester Package Weight One Package Weight 0.24kgs / 0.54lb One Package Size 18cm * 12.5cm * 5.5cm / 7.09inch * 4.92inch * 2.17inch Qty per Carton 40 Carton Weight 10.60kgs / 23.37lb Carton Size 57cm * 38cm * 27cm / 22.44inch * 14.96inch * 10.63inch Loading Container 20GP: 455 cartons * 40 pcs = 18200 pcs40HQ: 1058 cartons * 40 pcs = 42320 pcs

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Features:1. 15.6 inch IPS screen,1920x1080 hardware resolution2. Toughened glass capacitive touch panel, 6H hardness3. Supports popular mini PCs such as Raspberry Pi, Jetson Nano, BB Black, as well as general desktop computers- When works with Raspberry Pi, supports Raspbian/Ubuntu/Kali/Retropie/WIN10 IOT, driver free- When work as a computer monitor, supports Windows 10/8.1/8/7, ten-points touch, and driver free4. Support popular game consoles like Microsoft XBOX360, Sony PS4, and Nintendo Switch5. Multi languages OSD menu, for power management, brightness/contrast adjustment, etc.6. 3.5mm audio jack, supports HDMI audio output7. Embedded ferrite Hi-Fi speaker8. Also support VGA input (specific cable is required and should be purchased separately)9. 100x100mm spacing mounting holes (M4 screw hole) for general wall mount10. Comes with 55 degree tilt angle stand11. Dimension: 321.7*381.6*16.6mm12. Weight: 1886gPacking List:1. 15.6 inch HDMI LCD (H) (with case) x12. Power adapter 12V x13. HDMI cable x14. HDMI to Micro HDMI Adapter x 15. USB type A plug to micro B plug cable x1Specification: Package Weight One Package Weight 2.90kgs / 6.39lb One Package Size 40cm * 36cm * 6cm / 15.75inch * 14.17inch * 2.36inch Qty per Carton 6 Carton Weight 15.00kgs / 33.07lb Carton Size 40cm * 36cm * 36cm / 15.75inch * 14.17inch * 14.17inch Loading Container 20GP: 514 cartons * 6 pcs = 3084 pcs40HQ: 1194 cartons * 6 pcs = 7164 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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Item: SW525A(red light)/SW525B(red light)/SW525G(green light)/SW526A(red light)1. Screen size: 9.6 inch (SW526A 18 inch)2. Measurement range: 30-130dB3. Accuracy: +/-105dB4. Frequency response: 31.5Hz~8.5Hz5. Microphone: 6 mm condenser microphone6. Digital display: 3 digits7. Power supply mode: DC 5V 1A Micro USB interface8. Working temperature and humidity: 0 ~ 40 degrees, 10% ~ 80% RH9. Storage temperature and humidity: -10 to 60 degrees, 10% to 70% RH10. Size: 21 × 13 × 2.8 cm(SW526A: 40×23×3.5cm)11. Net weight: 453 grams(SW526A:1531g)Item: SW535A1. Screen size: 18 inch2. Measurement range: 30-130dB3. Accuracy: +/-1.5dB4. Frequency response: 31.5Hz~8.5Hz5. Microphone: 6 mm condenser microphone6. Digital display: 3 digits7. Power supply mode: DC 5V 2A power supply8. Working temperature and humidity: -20 ~ 60 degrees, 0% ~ 100% RH9. Storage temperature and humidity: -10 ~ 60 degrees, 20% ~ 70% RH10: Alarm prompt: sound + display alarm11. Alarm output: output 5V voltage12. Size: 40 x 23 x 3.5 cm13. Net weight: 1531 gramsSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 23cm * 13cm * 5cm / 9.06inch * 5.12inch * 1.97inch Qty per Carton 60 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 60 pcs = 10620 pcs40HQ: 412 cartons * 60 pcs = 24720 pcs

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1. With 8 single-channel signal input/4 stereo channel input switching options, 8-channel signal input (4 stereo inputs can be converted), when only A channel is connected, it is mono, and the channels are simultaneously connected as stereo input. 2. The different knobs of the microphone reverberation effect can be adjusted separately, and the sound effect is better. 3. The built-in rechargeable battery can be charged with a mobile phone charger or a power bank, which is convenient to use and carry. 4. Guangfan is used to expand the input signal of equipment such as mixers/power amplifiers/mobile speakers. 5. Input sensitivity: MIC -36dB, Line -10dB, Eff Ret -12dB, Tape In -26dB 6. Reverberation effect: 12-200ms 7. Output voltage: 4V Max 8. Signal-to-noise ratio: greater than 85dB 9. Distortion: 0.03% 10. Frequency response: 20Hz-20KHz+3dB 11. Charging power supply: 5V/2ASpecification: Package Weight One Package Weight 0.55kgs / 1.21lb One Package Size 20cm * 14cm * 6cm / 7.87inch * 5.51inch * 2.36inch Qty per Carton 30 Carton Weight 17.55kgs / 38.69lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 30 pcs = 15660 pcs40HQ: 1212 cartons * 30 pcs = 36360 pcs

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1. Mini body, compact and portable to carry in pocket. 2. Single-Band Display. 3. Frequency Range: 400-480(MHz) 4. Number of channels: 22 5. Operating Voltage: DC 3.7V 6. Theoretical communication distance: 1-3km 7. Communication type: Cannot insert cardSpecification: Package Weight One Package Weight 0.47kgs / 1.04lb One Package Size 12cm * 5cm * 4cm / 4.72inch * 1.97inch * 1.57inch Qty per Carton 50 Carton Weight 24.00kgs / 52.91lb Carton Size 38cm * 32cm * 28cm / 14.96inch * 12.6inch * 11.02inch Loading Container 20GP: 783 cartons * 50 pcs = 39150 pcs40HQ: 1818 cartons * 50 pcs = 90900 pcs

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1. Handheld design and non-slip pen type handle for easy operation.2. Built-in automatic temperature compensation(ATC) to get precise results.3. Measuring Rang: 0.00ppt-9.99ppt 10.0ppt-50ppt, very easy to test.4. With temperature units in C / F(switchable) and switchable backlight for convenient use in dark.5. With a replaceable sensor probe, the electrode probe can be replaced with an insert type design for convenient and fast replacement.6. Suitable for water source monitoring, aquaculture, environmental protection, printing and dyeing, electroplating, beverage industry and scientific research unit to determine the water quality salinity.7. Power supply: LR44 battery x 4pcs(not included).Specification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 25cm * 10cm * 5cm / 9.84inch * 3.94inch * 1.97inch Qty per Carton 20 Carton Weight 3.90kgs / 8.60lb Carton Size 42cm * 27cm * 27cm / 16.54inch * 10.63inch * 10.63inch Loading Container 20GP: 870 cartons * 20 pcs = 17400 pcs40HQ: 2021 cartons * 20 pcs = 40420 pcs

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1. A 4-inch LCD screen is used. Due to the larger screen, there is more PCB space for installing components and batteries2. Use an independent charge pump to power the mixer and add tantalum capacitors, which can further reduce power supply noise3. In order to make it easier for geeks to create more possibilities, UART1 and PC14, PC15 interfaces are drawn on the PCB, which is convenient for DIY expansion4. ABS shell, can effectively protect SMA connectors and buttons5. DC dimming is added, it can be seen more clearly when used outdoors, and it is more comfortable to use indoors.6. Optimized the bridge to make full use of the Si5351s harmonics. Now the 5th harmonic can be used to measure to 1.5GHz;7. When the fundamental wave is used, the output level of CH0 is increased to 0dBm, and the reflection measurement is more accurate;8. Solve the previous abnormality of NanoVNA-H near 6MHz9. The redesigned power management circuit further reduces power noise, reduces USB power interference, reduces charging current, and protects the battery10. Optimized PCB layout, accommodating 1950mAh battery, more than 8 hours of usepacking list:1. NanoVNA host x 1 (including 4-inch touch screen, 2000mAh battery)2. 15cm SMA male to male RG316 RF cable x 23. SMA female to female connector x14. SMA simple calibration kit SHORT x15. SMA simple calibration kit OPEN x16. SMA simple calibration kit LOAD x17. USB Type-C data cable x18. Type-c to Type-c x1 supports connection with most Android phones9. One pickSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 24cm * 14cm * 3cm / 9.45inch * 5.51inch * 1.18inch Qty per Carton 40 Carton Weight 15.80kgs / 34.83lb Carton Size 50cm * 30cm * 32cm / 19.69inch * 11.81inch * 12.6inch Loading Container 20GP: 555 cartons * 40 pcs = 22200 pcs40HQ: 1289 cartons * 40 pcs = 51560 pcs

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Features 1.Color-screen display, user-friendly interface.2.Bilingual choices:Chinese/English.3.Three alarm forms:sound/light/vibration .4.Data recording and review function, continuously record5.120,000 data logging.6.Charging function. Specification Compound Gas Monitor Range Measuring item and Unit 1.Combustible gas LEL %LEL2.Oxygen O2 %VOL3.Hydrogen sulfide H2S μmol/mol4.Carbon Monoxide CO μmol/molRange:1.Combustible gas LEL: 0~1002.Oxygen O2 : 0~303.Hydrogen sulfide H2S:0~100 4.Carbon Monoxide CO :0~1000Resolution1.Combustible gas LEL: 0.12.Oxygen O2 : 0.13.Hydrogen sulfide H2S:0.14.Carbon Monoxide CO :1Accuracy: When the measuring range is(0~50)mol/mol,maximum allowable error is:5mol/mol.When the measuring range is(50~1000)mol/mol,maximum allowable error is:10%Indication model:LCD display real-time date and system state,LED,sound,vibration indication alarm Response Time(90%): Less than 30 seconds Alarm: Sound and light vibration alarm Alarm Point: Adjustable Working Voltage: DC3.7V, 1800mAh Battery Model: LP103450-1800mAh rechargeable lithium batteryExplosion-proof Certificate NO.: CNEx 18.5122Explosion-proof Mark: Ex ib IIB T3 GbOperating Conditions: -20～50℃ / -4～122℉, < 95%Storage Conditions: -10～55℃ / 14～122℉, < 85%charging time:6-8hstandby time:more than 8h on end (slightly change with working state)Item Size: 71 * 153* 49mm Package included 1 * Carbon Monoxide Monitor1 * Plastic Pipe1 * USB Cable1 * Gas Calibration Cover1 * Storage Box1 * User ManualSpecification: General Certificate CE, ROHS, FCC, EMC Package Weight One Package Weight 1.06kgs / 2.33lb One Package Size 29cm * 18.5cm * 8cm / 11.42inch * 7.28inch * 3.15inch Qty per Carton 30 Carton Weight 30.00kgs / 66.14lb Carton Size 90cm * 57cm * 24cm / 35.43inch * 22.44inch * 9.45inch Loading Container 20GP: 216 cartons * 30 pcs = 6480 pcs40HQ: 502 cartons * 30 pcs = 15060 pcs

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