Search results for "environmental electronics"

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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1. High power 10W, longer communication distance2. High capacity battery, long standby time3. Scrambler ensures communication confidentiality4. Two antennas (high-gain antenna and common antenna) to increase the distance5. Frequency range: UHF: 400-520MHz6. Channel capacity: 167. Output power: High: 10W / Low: 5W8. Working voltage: 7.2V DC9. Antenna impedance: 50 ohms10. Working temperature: -20~+50 degrees Celsius11. Frequency interval: 12.5kHz / 25kHz12. Battery capacity: 3000mAh13. Modulation noise: less than -40dB14. Modulation distortion: less than 5515. Frequency stability: 5ppm16. Current: less than or equal to 2600mA17. Audio response: +6.5—-14dB18. Adjacent channel power: greater than or equal to 65dB19. Intermediary sensitivity: 8-12mv20. Standby time up to 260 hours21. VOX sensitivity adjustable22. Voice companding, squelch adjustment, receiving alarm, time-out timer (TOT), scanning, end tone elimination and other functions23. Dimensions (not including antenna): 133x59x36mm24. Weight (including battery): 272g25. The package contains: 1x portable radio, 2x antenna (high gain antenna and common antenna), 1x polymer lithium ion battery pack, 1x adapter, 1x charger, 1x belt clip, 1x user manualSpecification: General Model RT1 Frequency Range UHF 400MHz-520MHz Channel 16 Frequency Stability 5ppm Channel Spacing 12.5kHz / 25kHz Antenna Impedance 50 ohms Plug Available US Plug Working Temperature -20C to 50C Modulation Noise less than -40dB Modulation Distortion less than 55 Audio Response + 6.5-14dB Receiving Current less than or equal to 2600mA Stand-by time up to 260 hours Size 133x59x36mm Weight 272g Package Include Package Contents 1 x Walkie Talkie 1 x Rechargeable Battery 1 x Belt-clip 1 x User Manual 1 x Charger 1 x Power Adapter Package Weight One Package Weight 0.71kgs / 1.56lb One Package Size 24cm * 18cm * 7cm / 9.45inch * 7.09inch * 2.76inch Qty per Carton 10 Carton Weight 8.55kgs / 18.85lb Carton Size 24cm * 36cm * 35cm / 9.45inch * 14.17inch * 13.78inch Loading Container 20GP: 881 cartons * 10 pcs = 8810 pcs40HQ: 2047 cartons * 10 pcs = 20470 pcs

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1. Display mode: smart color screen2. Working voltage: DC 5V3. Working temperature: 10-50 degrees Celsius4. Battery capacity: 1200mA5. Alarm method: color and sound dual reminder6. Standby time: 10 hours7. Security range:-CO2: 350-2000ppm-TVOC: 0.000-2.000 mg/m3-HCHO: 0.000-1.000 mm/m3-Temperature: 0-90 degrees Celsius-Humidity: 0-99%RHSpecification: Package Weight One Package Weight 0.19kgs / 0.43lb One Package Size 15cm * 12cm * 8cm / 5.91inch * 4.72inch * 3.15inch Qty per Carton 154 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 154 pcs = 27258 pcs40HQ: 412 cartons * 154 pcs = 63448 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. Compact size, can be easily installed in the concealed box, suitable for most of the switch box2. Simple, reliable and easy to retrofit, no need to install flash extinguishers3. Support external switch4. Support dual-control switch wiring, without affecting the use of wall switches5. Intelligent timing, according to your work and rest time settings automatically turn on and off the lights6. Wireless protocol: Zigbee 3.07. Input/Output: 100-240V 50/60Hz 6A 8. Housing material: PC VO9. Size: about 39.5 x 32 x 18.4mm10. Description: only the switch, does not include other items in the pictureSpecification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 7cm * 5cm * 3cm / 2.76inch * 1.97inch * 1.18inch Qty per Carton 100 Carton Weight 3.50kgs / 7.72lb Carton Size 26cm * 20cm * 12cm / 10.24inch * 7.87inch * 4.72inch Loading Container 20GP: 4273 cartons * 100 pcs = 427300 pcs40HQ: 9920 cartons * 100 pcs = 992000 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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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. The RP2350B microcontroller chip, designed based on the Raspberry Pi architecture2. A unique dual-core, dual-architecture design featuring a dual-core ARM Cortex-M33 processor and a dual-core Hazard3 RISC-V processor, both operating at up to 150MHz, allowing users to switch flexibly between the two architectures3. Features 520KB of SRAM, 16MB of on-board on-chip Flash, and 2MB of PSRAM4. Features a Type-C interface, eliminating the need to worry about orientation when plugging in5. Features a 4.3-inch on-board capacitive touchscreen LCD with 800 × 480 resolution and 65K colors6. Supports I2C interface control for capacitive touch, 5-point touch, and interrupts7. On-board resources include CAN, RS485, I2C interfaces, and isolated digital I/O8. On-board voltage regulator supports a wide input voltage range of 7V to 36V9. Inputs feature bidirectional optocoupler isolation, supporting both passive and active digital inputs; active inputs support both positive and negative voltages10. Outputs feature optocoupler isolation with enhanced drive capability, providing a sink current of up to 450mA (MAX)11. USB 1.1 host and device support12. Supports low-power sleep and hibernation modes13. Can be recognized as a mass storage device via USB for drag-and-drop program downloading14. Precise on-chip clock and timers15. Built-in temperature sensor for real-time chip temperature monitoring16. 12 programmable I/O (PIO) state machines for custom peripheral support17. Size: without case about 11.24 x 7.51 x 1.74 cm; with case about 11.63 x 7.9 x 1.8 cmSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 15cm * 10cm * 4cm / 5.91inch * 3.94inch * 1.57inch Qty per Carton 80 Carton Weight 17.00kgs / 37.48lb Carton Size 47cm * 38cm * 32cm / 18.5inch * 14.96inch * 12.6inch Loading Container 20GP: 466 cartons * 80 pcs = 37280 pcs40HQ: 1083 cartons * 80 pcs = 86640 pcs

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1. CM5 card slot: compatible with all versions of Compute Module 52. Networking: 1000M Ethernet RJ45 port; 2500M Ethernet RJ45 port3. Connectors: Raspberry Pi 40-pin GPIO interface4. MIPI: 4-lane MIPI interface x 2 (22-pin 0.5mm FFC connector)5. Video: HDMI port x 1, supporting 4K output6. M.2: M.2 M KEY (PCIe Gen2/3 x 1)7. Storage: onboard Micro SD card slot (for CM5 versions without eMMC)8. Fan interface: 5V, 4-pin JST-SH PWM fan connector9. Power input: DC 5V 5A10. Size: about 10.1 x 6.2 x 2.34 cmPackaging list:- Metal casing (upper and lower boxes) x 1- CM5-DUAL-ETH-BASE-B x 1- Thermal conductive silicone sheet x 1- Screwdriver x 1- Pink high thermal conductive silicone sheets (5 pieces) x 1- Screw pack x 1Specification: Package Weight One Package Weight 0.81kgs / 1.79lb One Package Size 14cm * 10cm * 5cm / 5.51inch * 3.94inch * 1.97inch Qty per Carton 63 Carton Weight 53.00kgs / 116.84lb Carton Size 44cm * 37cm * 32cm / 17.32inch * 14.57inch * 12.6inch Loading Container 20GP: 511 cartons * 63 pcs = 32193 pcs40HQ: 1188 cartons * 63 pcs = 74844 pcs

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Features1. Solar power panels use monocrystalline solar cells, which are much more efficient than ordinary solar cells. 2. Foldable design for more convenient carrying. 3. Equipped with voltage regulator, the voltage output is more stable and the charging is more secure. 4. Comfortable fabric, not afraid of the sun, not afraid of rain, charging without worry. 5. Connect directly to your device via the USB port. 6. Comes with a small pocket to keep the device safely stored during the charging process.Specifications1. Input voltage range: DC8-24V 2. Dimensions: 36 x 35.5 x 5cm fold; 110 x 36cm unfold DC interface 1. Output voltage: solar output voltage DC8-24V+/-0.4V 2. Protection: Anti-reverse charging protection (20A anti-reverse charging diode) 3. DC port specification: 5521 metal material USB1 interface (black): 1. Output voltage: 5.1v+/-0.2v 2. Output power: 15W 3. Output protection: input over-voltage, under-voltage, output over-current, short-circuit protection, over-temperature protection of the whole machine. CC mode 4. Output charging protocol: support iOS 2.1A, suitable for Samsung 2.0A DP=1.2V, DM=1.2V Support BC1.2 DP and DM short circuit 5. Conversion efficiency: greater than 85% USB2 interface (orange): 1. Output voltage: 5V-12V automatically adjusted according to the fast charging protocol 2. Output power: 18W (5V3A 9V2A 12V1.5A etc.) 3. Output protection: input over-voltage, under-voltage, output over-current, short-circuit protection, over-temperature protection of the whole machine. CC mode 4. Output charging protocol: support QC3.0/QC2.0 Qualcomm certificate number: 478786303-2 - Support QC3.0 Class A: 3.6v-12v (0.2v/step) - Support QC2.0 Class A: 5V 9V 12V - Support voltage configuration for Huawei FCP fast charge 5V 9V - Support voltage configuration for Samsung AFC fast charge 5V 9V - Support Spreadtrum SFCP fast charge 5V 9V 12V voltage configuration - Support iOS 2.4A: DP=2.7V, DM=2.7V - Support for Samsung 2.0A: DP=1.2V DM=1.2V 5. Conversion efficiency: greater than 85% TYPE-C interface 1. Output voltage: - 5V-3A is automatically adjusted according to the fast charging protocol - 9V-3A is automatically adjusted according to the fast charging protocol - 12V-3A is automatically adjusted according to the fast charging protocol - 15V-3A is automatically adjusted according to the fast charging protocol - 20V-3A is automatically adjusted according to the fast charging protocol - 13.2V-3.16A is automatically adjusted according to the fast charging protocol 2. Output power: 60W 3. Output protection: input over-voltage, under-voltage, output over-current, short-circuit protection, over-temperature protection of the whole machine. The output has CV/CC characteristics (the output current is less than the set value, and the output CV mode; CC mode 4. Output charging protocol: - Works with iOS 2.4A - For Samsung 5V2A - DCP-1.5A - PPS/PD3.0/PD2.0 - QC3.0/QC2.0 - AFC - FCP - PE2.0/PE1.1 5. Conversion efficiency: greater than 94%Specification: Package Weight One Package Weight 2.43kgs / 5.36lb One Package Size 38cm * 37cm * 5cm / 14.96inch * 14.57inch * 1.97inch Qty per Carton 10 Carton Weight 24.50kgs / 54.01lb Carton Size 52cm * 38cm * 37cm / 20.47inch * 14.96inch * 14.57inch Loading Container 20GP: 364 cartons * 10 pcs = 3640 pcs40HQ: 846 cartons * 10 pcs = 8460 pcs

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1. U segment transmission, wireless K song. 2. Intelligent noise reduction, real-time ear return. 3. AI smart DSP chip, high fidelity and lossless sound quality. 4. Multiple sound effects make your voice more tuneful. 5. Compatible with iOS/Android/Windows system. Parameter 1. Working current: 230-260ma 2. U segment transmission distance: 6-10m 3. Signal to noise ratio: 85dB 4. Dynamic range: 80-100dB 5. Total harmonic distortion: 0.5%-1% 6. USB HIFI digital audio: 44.1KHz/16 bit Microphone - Battery capacity: 2600mAh - Charging time: about 3h - Battery life: about 10h Wireless receiver - Battery capacity: 500mAh - Charging time: about 2.5h - Battery life: about 3h packing list: -1 x microphone -1 x wireless receiver -2 x audio cables -1 x USB-C to USB-C cable -1 x USB to USB-C cable -1 x velvet bag -1 x blow-proof cotton -1 x manualSpecification: Package Weight One Package Weight 0.48kgs / 1.06lb One Package Size 25cm * 12cm * 6cm / 9.84inch * 4.72inch * 2.36inch Qty per Carton 40 Carton Weight 19.00kgs / 41.89lb Carton Size 52cm * 50cm * 32cm / 20.47inch * 19.69inch * 12.6inch Loading Container 20GP: 320 cartons * 40 pcs = 12800 pcs40HQ: 744 cartons * 40 pcs = 29760 pcs

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1. CM4 socket: Suitable for all variants of Compute Module 4 2. Ethernet: Dual Gigabit Ethernet RJ45 3. USB: USB 3.2 Gen1 x 3 4. PIN header: 40PIN GPIO header x 1 5. HD media interface: HD-MI x 2, supports 4K 30fps output 6. DSI display: MIPI DSI display port x 1, 15pin 1.0mm FPC connector 7. CSI camera: MIPI CSI-2 camera port x 2, 15pin 1.0mm FPC connector 8. Power input: 7V-36V 9. FAN: 5V/12V, allows speed adjustment and measurement 10. RTC: Real-time clock with battery socket and ability to wake Compute Module 4 11. SD card slot: MicroSD card socket for Compute Module 4 Lite (without eMMC) variantsSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 17.80kgs / 39.24lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 200 pcs = 113200 pcs40HQ: 1314 cartons * 200 pcs = 262800 pcs

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