Smartmi PM2.5 Air device indicator utilizes a high thickness laser sensor, its most recent molecule estimate is 0.3μm to the base which can hold PM2.5 esteem in your condition whenever. It can interface with Smartmi PM2.5 Air device to set up the air contamination list go, if air contamination is over the standard range, it will dispatch the Air purifier ace naturally to enhance the air quality. It also has the Green orange and red three-shading advanced pointer at the point when the green light is on, the air quality is astounding; When the orange light is on, it shows mellow air contamination; When the red light is on, it demonstrates substantial air contamination. The Programmed shutdown in 30 minutes, sparing force and strength with the High accuracy laser sensor.

USD 88.5
32.93

The light meter is an instrument used to accurately determine the amount of exposure required by the subject.

USD 69.45
41.99

UT15B PRO / UT17B PRO are highly reliable true RMS digital multimeters. With built-in VFC anti-jamming start mode, they can filter out the carrier frequency interference or distortion voltage signal superimposed by the sine wave, and stably measure the output voltage of the inverter. They can do a wide range of tests including DC/AC voltage, DC/AC current, resistance, capacitance, diode, live wire. UT17B PRO has extra features— measurement of temperature, frequency and duty ratio. They both provide up to 30KVA energy for protection from incorrect operation to ensure safety.

USD 146.9
81.71

Through the MIDI adapter plate, your Arduino board or other microcontrollers can get access to powerful MIDI communication protocol. MIDI protocol and asynchronous serial interface have many similarities, so users can use the micro-controller UART pin to send MIDI event information.

USD 17.12

Made of fine quality material, practical, easy to install and use, wide application range, has a long service life.

USD 155.08
109.99

YR1035 battery internal resistance tester is a true four-wire internal resistance tester, which can test internal resistance and voltage value at the same time, and can also be used for resistance measurement. The measurement results are displayed on the same screen. This product is suitable for battery matching, battery performance testing, battery screening, etc. The machine has a compact structure and is easy to carry. It is your perfect electrician and electronic testing machine.

USD 70.28

The qls2800s series of instruments use large-scale fpga integrated circuits and 32-bit high-speed arm microprocessors.It is an fine test and measurement equipment for electronic engineers, electronic laboratories, production lines and teaching and research.

USD 87.19

Arbitrary waveform DDS signal generator from MHS-5200A series is a multi-functional signal generator with high accuracy and high performance. It adopts large scale of FPGA integrated circuits, high-speed MCU microprocessor and SMT in the inner circuit, which can greatly improve the anti-interference and lifetime of the instrument. The LCD display is divided into two lines: the top line shows the current frequency and the following line displays additional parameters or functions. This instrument is of great advantage in generating signal, scanning waveform, measuring parameters, etc. It's a perfect testing or measuring instrument for electronics engineer, electronic laboratory, teaching and researching.

USD 88.41
62.25

VC2201D digital multimeter with stable performance and can measure AC/DC Voltage, AC/DC Current, Resistor, Capacitor, Temperature, Diod and Transistor, Open Circuit and Short Circuit.  In Addition, this digital multimeter is also suitable for vehicles, featurs magnetic for stand on any metal surface firmly.

USD 40.73

Made of fine quality material, practical, easy to operate and use, has a long service life.

USD 36.99
28.99

This set offers last number redial, On/Off and hangup buttons, so the lineman can check your telephone line fault.

USD 20.54

This tester with color screen has BT, 8 interfaces(USB, micro USB, type-C and DC), supports QC, PD2.0/3.0/4.0 and MTK protocol. It can measure the voltage and current changes during the operation/charging process of various DC inverters such as notebooks, desk lamps, routers, set-top boxes etc., and can be analyzed by BT on the mobile phone! 

USD 38.42

QPS6005S NC step-down power supplys is a fully NC programmable step-down power supplys with small size, high power, high efficiency and stable work.

USD 92.23

The PSG9080 programmable function/arbitrary wave signal generator can generate sine waves, square waves, triangle waves, pulse waves, arbitrary waves, and many other waveforms. The frequency range is up to 80MHz, with modulation, frequency sweeping, signal frequency measurement and programming functions, etc., and the output signal, amplitude, phase, duty cycle and frequency can be displayed at the same time. This series has excellent amplitude-frequency characteristics, multi-function, high performance, cost-effective, portable and other characteristics, providing new choices for education, research and development, production, testing and other industries. The instrument is exquisite in appearance, beautiful and equipped with a 3.5-inch high-resolution color LCD display to bring a new visual experience.

USD 349.47
194.38

Large LCD display for easy and clear reading.

USD 22.99

Output Waveform -- Sine, wave, square wave, triangle wave, forward sawtooth wave, reverse sawtooth wave, electrocardiogram wave(ECG wave), noise wave.

USD 63.99

Output Waveform -- Sine, wave, square wave, triangle wave, forward sawtooth wave, reverse sawtooth wave, electrocardiogram wave(ECG wave), noise wave, high-speed square wave.

USD 37.07

This wire tracker is designed based on the practical experience and needs. It adopts special digital signal transmission and reception and intelligent wake-up line technology. It features high precise tracking, fast network cable collation, super anti-interference without any noise. It can fully meet the actual operation requirements of engineering and telecom engineer. It is widely used in telephone systems, computer network maintenance and other metal wiring lines.

USD 30.98