Digital led tester

Digital LED Battery Tester 1.2v,1.5v,3v,9v Battery Measuring tool Package weight: 0.08 kg Description: Digital LED Patent Battery Checker By 1.2v, 1.5v, 3v, 9v Silver Durable Battery Measuring tool Specification: 1. Easy, Quick, Safe, Easily measure battery voltage and capacity left 2. It is pyactical and easy to operate, An epochal patent battery tester 3. Used for 1.2v, 1.5v, 3v, 9v battery 4. Widely use in Ni-H battery, NiCd, Zinc Carbon, Rechargable batteries 5. Battery fit: AAA, AA, C, D, Button cell, PP3 6. LED display gives an accurate and easy battery reading for both Voltage and Capacity 7. Measure Accurancy: 0.5v; Resolution: 0.1v; Voltage Test Range: 0. 2v-10.5v 8. Working Temperature and Humidity: 0 degree-40 degree, 75% 9. Storage Tempreture and Humidity: -10 degree-50 degree, 85% 10. Operation Battery: 2 x AAA1.5v 11. Size: 8.8*4.5*3.1cm(Without packing) 12. Color: Silver Package included: 1 x Digital LED Battery Tester Details pictures: Click here for more deals Digital LED Battery Tester 1.2v,1.5v,3v,9v Battery Measuring tool Digital LED Battery Tester 1.2v,1.5v,3v,9v Battery Measuring tool

Digital LED Projection Alarm Clock With Voice Temperature F/C Switching Package weight: 0.19 kg Feature: Multi-function digital LCD temperature voice LED projection alarm clock. 5 kinds of music alarms, built-in loudspeakers, the sound is clear and the volume of the right size. Time 12/24 hour switchable temperature display Fahrenheit / Celsius switching. Support 24 hours a day speech Times reported temperature, support 15 hours Intelligent Voice newspaper Times temperature, supports a musical alarm, snooze function supports 10-minute intervals. With blue or green backlight. Timekeeping, snooze, alarm support for a key switch, very convenient. Function: LCD time display Alarm and 10 minute snooze function Talking: repeat current time Blue backlight CHIME 1: Every hour, CHIME 2, only from 7, 00am to 9am Multi alarm sounds Projection show time Specifications: Material: Plastic Color: Black and white (Optional) Size: Approx. 8x8x10cm / 3.14"x3.14"x3.93" Battery: 3xAAA batteries (Not include) Display: Digital Package includes: 1 x LED Alarm Clock 1 x User manual Click here for more deals Digital LED Projection Alarm Clock With Voice Temperature F/C Switching Digital LED Projection Alarm Clock With Voice Temperature F/C Switching

Buy Digital LED Battery Tester 1.2v,1.5v,3v,9v Battery Measuring tool for R357.63

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I have a MT550lll Digital Insulation Tester for sale -Tester in very good condition -250v,500v & 1000vinsulation resistance -200mA measuring current -1.5mA short circuit current -R1400.00 neg

I have a K3005 Digital Insulation Tester for sale -Tester in very good condition -250v,500v & 1000vinsulation resistance -200mA measuring current -1.5mA short circuit current -R2200.00 neg

Features: Display the AC voltage and current simultaneously by LED digital tube. Including one independent small precise current transformer, you can lengthen the cable. Easy measurement, just connect to power and lead the wire through the current transformer. Wide measurement voltage and current range. Specifications: Measurement range: AC 80-300V 0-100.0A Power supply: Installation: Embedded installation Accuracy: 1% ± 2digit Measurement speed: about 2 times per second Display type: LED digital tube Display size: 5.7 * 3.4cm / 2.2 * 1.3in Product size: 7 * 4.2 * 3.5cm / 2.8 * 1.7 * 1.4in Product weight: 63g / 2.2oz Package size: 7.5 * 4.5 * 4.5cm / 3 * 1.8 * 1.8in Package weight: 72g / 2.5oz Note: 1. Please firstly connect the current transformer with meter. Secondly connect the meter with AC 80-300V wire. After the connection, please do not touch any part of the back of the meter to avoid the electric shock hazard. 2. Misconnection between voltage input and current transformer will lead damage to the meter. Please make sure the voltage and current transformer are connected correctly. Package including: 1 * Digital LED AC Voltmeter / Ammeter 1 * Current Transformer

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Mega328 M328 LCR-T4 12846 LCD Digital Transistor Tester Meter Backlight Diode T Package weight: 0.14 kg Features: Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components. Automatic test the pin of a component, and display on the LCD. Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage. Measure the gate and gate capacitance of the MOSFET threshold voltage. Use 12864 liquid crystal display with green backlight. One -button operation, automatic shutdown. Only 20nA shutdown current. Automatically detect NPN, PNP bipolar transistors, N -channel and P -channel MOS FET, JFET, diodes, two diodes, thyristors small power unidirectional and bidirectional thyristor. Automatic identification components pin arrangement. Measuring bipolar transistor current amplification factor and base - emitter threshold voltage. Via the base - emitter threshold voltage and high current amplification factor to identify Darlington transistors. Can detect bipolar transistors and MOS transistors protection diodes. Measuring the gate MOS FET threshold voltage and the gate capacitance. Can simultaneously measure two resistors and resistor symbol is displayed. Displayed on the right with a decimal value of 4. Resistance symbol on both sides shows the pin number. So you can measure the potentiometer. If the potentiometer wiper is not transferred to an extreme position, we can distinguish the middle and both ends of the pin. Resistance measurement resolution is 0.1 ohms, 50M ohms can be measured. Can measure capacitanceCan measure capacitance of 30pF-100mF, resolution 1pF. 2uF more capacitors can simultaneously measure the equivalent series resistance ESR values. The two can be displayed with a decimal value, resolution 0.01 ohms. Can be in the correct order and the diode symbol display two diodes, and gives the diode forward voltage. LED is detected as a diode forward voltage higher. Combo of the LED is identified as two diodes. Eeverse breakdown voltage is less than 4.5V Zener diode can be identified. Can measure a single diode reverse capacitance. If the bipolar transistor connected to the base and collector or emitter of a pin, it can measure the collector or emitter junction reverse capacitance. Can be obtained with a single measurement rectifier bridge connection. Specification: Resistance: 0.1 ohm resolution, maximum 50M ohm Capacitor: 25pf -100,000 uf Inductors: 0.01mh-20H Power Supply: 9V battery(Not included) Click here for more deals Mega328 M328 LCR-T4 12846 LCD Digital Transistor Tester Meter Backlight Diode T Mega328 M328 LCR-T4 12846 LCD Digital Transistor Tester Meter Backlight Diode T

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Features: The processor uses high performance MCU ATmega328, and uses external 8MHz crystal oscillator as the system clock. Using 1.8 Inch LCD display, resolution of 128X160, support 65536 colors. Single button operation, support automatic shutdown for reducing power consumption. Support battery power supply, shutdown current less than 20nA. Each measurement time is about 2S, and only when measuring capacitance or inductance, the measurement time becomes longer. Automatic detection of NPN, PNP bipolar transistor, N channel, P channel MOSFET and JFET, diode, double diode, P-IGPT, thyristor, double thyristor and so on. For some thyristors and double thyristors, the transistor tester can not be tested when the current and current can not be satisfied. For some IGPT with a driving voltage of more than 5V, the transistor tester can not test it. Support the identification of the pins of test elements. Supports the measurement of current amplification factor and base emitter turn-on voltage of bipolar transistors. The Darlington transistor can be distinguished by the turn-on voltage and the current amplification factor. The gate threshold voltage, gate capacitance and drain to drain source resistance of the RDSon under the 5V gate voltage are tested to test the MOSFET. Supports simultaneous measurement of two resistors, and data is displayed in four bit decimal format. Support potentiometer test, but when the potentiometer is adjusted to one end, at this time can not distinguish between the intermediate pin and the end pin. The minimum resistance resolution is 0.01 ohms, and the maximum resistance is 50M ohm. A capacitor can be measured with a capacitance range of 25pf~100mF and a resolution of 1pF. The capacitance less than 25pF can be measured by parallel with another known capacitance greater than or equal to 25pF, and the measured capacitance value can be obtained by subtracting the known capacitance value. When the capacitance greater than 90nF is tested, the series equivalent resistance is also displayed, with a resolution of 0.01 ohms. When the capacitance greater than 5000pF is tested, the voltage loss after the test pulse can be measured, and the quality factor of the capacitor can be estimated by this parameter. Supports simultaneous measurement of two diodes with additional display diode voltage drop. LEDs are identified as diodes, and the test voltage drop is much larger than that of conventional diodes. The two-color diode is identified as two diodes. The equivalent inductance of the resistor less than 2100 ohms is also measured at the same time, with a range of 0.01mH~20H, but the measurement accuracy is not very good. Program with self-test function, support a variety of parameters calibration. Support frequency generator function, output by TP2, output frequency range from 1Hz to 2MHz. Support a fixed frequency signal output from the TP2, you can adjust the duty cycle by the button. Special attention: The capacitor must be discharged before testing the capacitor, otherwise it may damage the test pin. When testing the components on the circuit board, it is necessary to disconnect the power supply on the circuit board, and the residual voltage is not allowed on the test equipment. Hardware circuit: Each interface is illustrated as follows: J1: 2.54-2PIN white seat is used to input DC 7~12V voltage; S1: red button, reset button; S2: green button, operation button, used for one button operation of the entire circuit board; Instructions: 1. Components placed The transistor tester is very simple, and the test pins TP1, TP2 and TP3 are all in sequence. For only two pins, the components only need to be placed to any two test pins. For three pins of the components, randomly placed three test pins. Two resistors and two diodes can be tested at the same time. 2. Press the S1 reset button to shut down, and then press the S2 boot key to start a new measurement. 3. After the start of the long press S2 (more than 1S), enter the additional function selection interface, after a short press for moving the cursor on the attachment, long into the function interface button corresponding to the cursor interface, the various functions are as follows: Package included: 1 x ATmega328 digital transistor tester kits with shell