Oscilloscope 100 MHz 4 channel Owon SDS1104

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1- Key Product Features Dual-purpose Tester: Combined operation as a digital tweezer and Kelvin clip measurement bridge. Wide Frequency Range: Supports frequencies from 100 Hz to 100 kHz for precise impedance analysis. Kelvin Accuracy: Utilizes a four-wire system to eliminate cable and tweezer tip errors in sensitive measurements. Rotatable HD Display: 1.47-inch screen with automatic 180-degree rotation for ease of use. Smart Detection: Automatic identification of component type (R/L/C) and display of ESR, D, and Q parameters. Test Safety: Voltage measurement capability up to 30 volts and protection against electrical loads on components. 2- Brief Product Description The FNIRSI LCR-ST2 is a professional, pocket-sized LCR meter designed to enhance accuracy and speed in testing SMD and through-hole components. With a test frequency up to 100 kHz, it enables measurement of critical parameters such as Equivalent Series Resistance (ESR) of capacitors, which is vital for power supply technicians and frequency board repairs. Its modular design allows users to switch between tweezer mode (for tiny SMD components) and Kelvin clip mode (for larger components). The high-quality color display and smart sorting of components based on tolerance make the LCR-ST2 an efficient tool for laboratory, repair, and quality control environments. 3- Technical Specifications Table General Specifications (Model Parameters): Parameter Value Parameter Value Model LCR-ST2 Ready Time About 3 hours Display 1.47 inch HD Dimensions 31 170.7 20.3 mm Weight About 60.8 grams Charging Interface Type-C Operating Temperature 0 to 50 °C Storage Temperature -20 to 60 °C Inductance Measurement Accuracy: Inductance Range 100Hz / 120Hz 1kHz 10kHz 100kHz 1H - 10H ±5% ± 3 digits ±5% ± 3 digits / / 1mH - 1H ±2% ± 3 digits ±2% ± 3 digits / / 10µH - 1mH ±2% ± 3 digits ±0.5% ± 3 digits ±0.5% ± 3 digits ±5% ± 3 digits 1µH - 10µH / ±2% ± 3 digits ±2% ± 3 digits ±5% ± 3 digits Resistance Measurement Accuracy: Resistance Range 100Hz / 120Hz 1kHz 10kHz 100kHz 1MΩ - 10MΩ ±5% ± 3 digits ±5% ± 3 digits / / 1kΩ - 1MΩ ±1% ± 3 digits ±0.5% ± 3 digits ±1% ± 3 digits / 1Ω - 1kΩ ±1% ± 3 digits ±0.5% ± 3 digits ±1% ± 3 digits ±5% ± 3 digits 10mΩ - 1Ω ±2% ± 3 digits ±2% ± 3 digits ±2% ± 3 digits ±5% ± 3 digits Diode and Voltage Test: Feature Value / Range Diode On-state voltage ≤ 0.7 V Voltage ±30 V 4- Full Product Introduction The FNIRSI LCR-ST2 acts as a digital electronic bridge, going beyond a typical multimeter by offering bench-level accuracy in a portable tester size. Price and Purchase of FNIRSI LCR-ST2 Tester In the measurement equipment market, the price of LCR-ST2 is determined by its 100 kHz frequency capability, making it very cost-effective compared to similar brands. For those looking to buy the LCR-ST2, this device is not only a digital tweezer but a complete solution for ESR capacitor testing and quality assessment of inductors in communication circuits. It is an excellent replacement for old handheld testers that have low accuracy in small ranges (picofarads and microhenries). ESR Parameter Analysis and Frequency Analysis The most important feature of this device is its ability to measure Equivalent Series Resistance (ESR). Using a 100 kHz frequency, technicians can identify dried or worn capacitors without fully removing them from the circuit (if no interfering parallel paths exist). Displaying D (dissipation factor) and Q (quality factor) parameters provides precise information on the quality of inductors and small transformers. Practical Advantages and Limitations Advantages: High accuracy of 0.5%, ergonomic magnetic design, software update capability, and complete accessories (Kelvin clip and spare tips). Limitations: The diode test is optimized for standard diodes (up to 0.7 V). For high voltage drop diodes or high-voltage Zener diodes, complementary testers like the LCR-P1 should be used. 5- Target Customers Mobile and tablet repair specialists: For diagnosing SMD components on dense boards. Switching system designers: To measure ESR of output capacitors and ripple currents. QC and quality control units: For sorting components based on specified tolerance percentages. Telecommunications engineers: For testing inductors and frequency filters with high precision. Electronic board assemblers: To ensure component values are correct before placement on boards. 6- Frequently Asked Questions (FAQ) What is the purpose of the Kelvin measurement system in this device? This system uses four separate paths to subtract the resistance of connecting wires and tweezer tips from the final result, minimizing errors in very small values (such as resistances below 1 ohm or small inductors). Is the device display suitable for left-handed users? Yes, this model's display has an orientation sensor and automatically rotates 180 degrees based on how the device is held. Can the test frequency be selected manually? Yes, you can choose between 100 Hz, 120 Hz, 1 kHz, 10 kHz, and 100 kHz frequencies depending on the component type and application. What is the difference between this model and ordinary transistor testers? The LCR-ST2 is a specialized measurement bridge for passive components (R/L/C) with much higher accuracy and diverse test frequencies, whereas transistor testers are mainly used to identify semiconductors (MOSFETs, transistors).

Vaporesso Armour G – a dual-purpose device for juice and salt Vaporesso Armour G is one of the newest and most professional dual-purpose vaping devices, designed to be suitable for both low-nicotine juice (Freebase) and nicotine salt (Salt Nic). This vape, with its ergonomic design, built-in 3000mAh battery, and 80W power, is an excellent option for vapers looking for a powerful, high-quality, and versatile device. — Technical Specifications of Vaporesso Armour G ✅ Brand: Vaporesso ✅ Device Type: Dual-purpose vape (juice and nicotine salt) ✅ Battery: Built-in 3000mAh with fast Type-C charging ✅ Output Power: 5 to 80 watts ✅ Cartridge: Compatible with GTX series cartridges ✅ Compatible Coils: GTX Coils (for juice and nicotine salt) ✅ Display: Clear and functional OLED ✅ Intelligent Output Power Control: Automatic adjustment to extend coil life and improve flavor Unique Features of Vaporesso Armour G ✅ Powerful battery and fast charging – The built-in 3000mAh battery provides long-lasting charge and charges quickly via USB Type-C port. ✅ Dual-purpose (juice and nicotine salt) – This device is suitable for both regular juice and nicotine salt with GTX coils. ✅ Advanced GTX coils – By default, freebase juice coils are installed, but if you want to vape nicotine salt, you can separately purchase GTX coils with 0.8Ω or 1.2Ω resistance. ✅ Intelligent output power – The device automatically adjusts power based on the coil to deliver optimal performance for different GTX coils. ✅ High build quality and ergonomic design – Durable body material, comfortable grip, and excellent feel during use make this vape an ideal choice. ✅ Vaping style (MTL and RDL) tailored to your preference – By changing coils and adjusting airflow, you can experience mouth-to-lung (MTL) or direct lung (RDL) vaping.

OXVA NEXLIM GO Podmod The OXVA NEXLIM GO Podmod by OXVA company has always aimed to produce and launch a product with the highest quality, excellent flavor delivery, and an anti-leak system. It can be confidently said that this company has been very successful in producing its products and has attracted many fans. In this version of the OXVA NEXLIM GO Podmod, we witness very good flavor quality using advanced dual mesh technology and a good cloud volume. The OXVA NEXLIM GO Podmod features a built-in 1800mAh battery with fast charging, which according to the company fully charges in 45 minutes and lasts about 10 days. It also has 2 vaping modes: BOOST and ECO. Additionally, the NEXLIM GO pod system has an output power of 40 watts and, due to cartridges with different resistances, it supports the use of both freebase and salt nicotine. General specifications of the NEXLIM GO pod system: Built-in rechargeable 1800mAh battery with long endurance Output power: 5 to 40 watts Weight: 87.5 grams LED battery level indicator Adjustable airflow (ERGONOMIC AFC) 2 different vaping modes: BOOST, ECO Automatic activation (sensor) Cartridge capacity: 4 milliliters Compatible with salt nicotine and juice Includes one 0.8 ohm NEXLIM coil Compatible with EXLIM cartridges via adapter (sold separately) Longer lifespan, better quality, and flavor delivery of cartridges Fast charging in 45 minutes via USB Type C / 5V 2A User manual

Pava Horiz Pro Pod The Pava Horiz Pro pod features a large 0.96-inch display and incoming call alert capability, offering a modern and smart vaping experience. A lightweight, durable, and precise device with 30W power and a 1000mAh battery. Performance and User Experience The Pava Horiz Pro pod delivers strong and lasting performance with an output power range of 5 to 30 watts and a built-in 1000mAh battery. The device automatically adjusts the appropriate wattage for the pod's resistance to produce the best possible flavor and vapor. Smooth vaping, precise flavor, and full control via the display create a professional and enjoyable experience. Weighing 66 grams and measuring 25 x 113.5 x 15 mm, this device is lightweight and portable. Dimensions and Size of Pava Horiz Pro Pod Device length: 113.5 mm Device width: 25 mm Device thickness: 15 mm Weight: 66 grams Pod Performance and Flavor One of the practical features of the Aspire Gotek pod is support for two different pod types: The device is made of PCTG material and designed with a 2ml capacity. These pods are available in resistances of 0.4, 0.6, 0.8, and 1.2 ohms to provide suitable options for every user, from heavy direct lung (RDL) to light mouth-to-lung (MTL) vaping. It is recommended to use Freebase or nicotine salt juices with a maximum concentration of 30mg for the best results. Flavor delivery in the Pava Horiz Pro pod is very precise, rich, and clear; its smooth vapor and balanced temperature make each puff convey the real e-juice sensation.