【FUNCTION UPGRADE】 KZYEE KM50 Circuit Tester Kit is an upgraded version of KM10, which performs each type of testing modes, like DC Voltage, AC Voltage, Signal Frequency, Duty Cycle, Fuel Injection, Resistance, and Diode.
【QUICK DIAGNOSIS】Quicker troubleshoot and diagnose circuit conditions by switching waveform display from the digital display for AC Voltage, Frequency, Duty Cycle, and Fuel Inject testings by long-pressing the mode button for 3 seconds.
【WIDELY APPLICATION】Works on 12V 100-2000CCA lead acid batteries , including Regular Flooded, AGM Flat Plate, AGM Spiral, GEL and EFB. Also, it is suitable for cars, motorcycles, trucks, ATVs, SUVs, boats, yachts, mowers, and even golf carts and lawn tractors batteries.
【CRANKING & CHARGING SYSTEM TEST】Presents you with the test results (actual cranking voltage & cranking time) of the starter system in milliseconds to indicate if the cranking system is working as expected. Also, the battery load tester conducts a throughout check on the 12V charging system to make sure a normal generator output，perfectly working rectifier diode and under controlled charging current.
【SAFE PROTECTION DESIGN】The battery tester doesn’t emit light, heat or spark, and won’t discharge the battery. It ....
XTUGA J-3 Professional True Diversity UHF Instrument Microphone Wireless Transmission System for Saxophone Transmitter Receiver 492ft Transmission Range,Plug and Play
Saxophone-specific UHF wireless microphone transmission system. True diversity wireless receiver and transmitter, dual antenna diversity reception. Stable reception without blind zone, high frequency stability, no delay, high-recovery pickup,Frequency rang:550-580Mhz.
With PLL combined technology. 100 channel free choice, infrared frequency function, using secondary frequency conversion circuit design, with sensitivity, multiple squelch control and anti-interference function.
Flexible gooseneck for optimum microphone positioning.No more tripping on cables.The microphone transmitter can be directly clipped to the saxophone and the horn.Experience complete freedom of movement while performing.
High fidelity and long range, signal stability.operating range up to 150 meters (492Ft).The receiver and transmitter are powered by a large capacity rechargeable lithium battery. Working hours are about 5 hours. Comes with a USB cable for convenient recharging.
Equipped with LED display.The LCD display shows you the frequency, microphone volume as well as the battery level. Change the microphone volume from the receiver is easy. The working status is clear at a glance.
CW QRP Shortwave Radio Kit - CW Transceiver Shortwave Radio Kit
The patch device of the main control board has been pre welded and connected to the base plate in the form of stamp hole. The single chip microcomputer adopts pic16f1938, builtin PLL local oscillator, supports crystal oscillator calibration setting, and has its own frequency indication circuit (Seven Segment LED nixie tube is used, the display unit is 1kHz, the photo has color difference, and the actual color is red. The working frequency covers 7.000-7.100mhz, 1kHz or 100Hz steps )..
Ta2003 mixer is used for reception, and crystal filter is used for if. After ta2003 multiplication detection, the sound size is adjusted by digital potentiometer and sent to audio active filter circuit. Finally, LM386 drives speaker, and if frequency supports calibration setting..
Use 3 bs170 parallel outputs, class E amplification, 12V power supply, output power 5W! Relay switching is used for transceiver, with the function of transmitting delay adjustment to avoid frequent relay switching and improve the isolation of transceiver channel..
It has the function of automatically sending call signs, which is very convenient to use. The MCU uses the original code of our store, which can adjust the code speed, sidetone frequency and sidetone size. It can input the call sign by ....
D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordless Handheld Lavalier Headset Mics, Metal Receiver, Ideal for Karaoke Church Party (with 4 Handheld (A))
These series products adopt UHF frequency and use the international standard common frequency which can be used in all over the world..
Due to the low frequency and many reasons, traditional wireless microphone usually disturbed by many factors especially by the variety of harmonic which send off by the CD/DVD/VCD/LD and other any digital equipments..
Squelch circuit usually analysis the intensity of the RF frequency channel instead of the noise and the needed signal. Using the low traditional wireless microphone in the complex environment or when the signal of the microphone is week or the microphone is closured, the squelch circuit many suddenly opened which result the receiver send out a strong burst of noise..
It ideal for church, small DJ KJ stage, birthday wedding or family party, conference, classrooms, small karaoke night etc..
CMTOOL Power Circuit Probe Kit 9-30V Automotive Circuit Tester, Test Light Automotive Relay Tester Kit, Car Electrical Tester Digital Voltage Tester Continuity Tester Tool with 6m/20ft Extension Cable
...ive polarity of the detected circuit (red light is positive, green light is negative)..
3.【Automotive Circuit Tester with Digital Multimeter Mode】Automotive circuit tester contains the common parameters of multimeters, and can quickly test the DC voltage, resistance, and diode in the circuit system, current, and frequency, bringing a lot of convenience to users..
4.【Electrical Tester with Oscilloscope Function】Circuit probe tester with 6M extension test lead, can display the parameter curve diagram of the tested component, such as voltage, frequency, time, etc. Users also can observe the test results more directly by adjusting the displayed interval..
5.【Power Circuit Tester Kit with Component Activation Function】There is 4 activation modes for the component activation function of the automotive probe tester, which can generate "activation" signals for components, such as lights, motors, and other in-vehicle electronic devices..
6.【Power Circuit Probe Tester for Relay Test & Injector Test】Automotive relay tester function: able to test common automotive relays, such as 5-port relays and 4-port relays. Injector test function: 4 types of pulse models can be output to the injector to better detect the condition of the injector..
Wouxun KG-UV9D Plus Multi-Band Multi-Functional Cross Band Repeater Dual Bands Transmission Seven Bands Reception Including FM Radio and Air Band
This model has been FCC certified, FCC ID: B1703024KG-UV9D Plus. Dual Band , Cross Band Repeater , Large Color Screen With two independent receivers for both UHF and VHF, you can listen to either the same or different bands simultaneously , large color screen can display more information.
Seven Bands Reception and Dual Bands Transmission Wider frequency ranges meet different demands. The frequency range is from 76MHz to 965MHz, including FM radio and air band.
Classic Circuit , Excellent Performance Mature circuit design and high quality electronic components, after years of use can still maintain stable performance.
Using High Quality Plastic and Rubber Material High quality plastic can make the shell more robust and durable good rubber material can make the button has a good touch feel.
3 Way Bookshelf Speakers - Adopts three-way fourth-order speaker system reverse-phase design, with a luxurious and elegant appearance, high-end components included easy to set up and more stable excellent performance..
Low Frequency - 6.5-inch large-diameter mid-bass unit L6-4R. Its diaphragm is made of all-black Kevlar fibre, an ultra-light and high-strength integrated composite material, a fatigue-resistant long-stroke rubber diaphragm folding ring, a highly compliant centering support piece, a unique magnetic circuit system with phase plug design, and a large magnetic steel drive unit..
The mid-range unit uses a professional DN Series soft dome mid-range unit, with a high-quality diaphragm coated on the outside with a special damping material, and an independent dome mid-range unit to avoid the mid-range defect caused by the connection of the two frequency bands. The sound is sweet, natural and smooth..
The high-frequency units use isodynamic ribbon tweeters with ultra-high resolution and a delicate, bright sound..
YWBL-WH AC Round Frequency Meter LED Digital Display Hz Frequency Indicator Light
MAIN FEATURE---Produce Name: LED Hz Indicator.
Applicable: circuit frequency measurement.
20-75Hz MEASUREMENT RANGE---The AC frequency meter is of wide measurement of 20-75Hz.
HIGH ACCURACY---The AC frequency meter is of high accuracy of ±2%, helping to provide you reliable data.
CLEAR DISPLAY---Made of high quality material, the AC frequency meter is of clear display, exquisite workmanship, long service life, and stable working performance.
5 COLORS---The AC frequency meter is of 5 different colors, red, white, blue, green,yellow, you can choose one according to your preference.
