Kw203 usb power voltage tester

Buy KW203 USB Power Current Voltage Tester USB Mobile Power Current Tester for R309.00

Description 3~9V 0~3A USB Dual Current and Voltage Tester | USB / Current / Voltage Tester USB Dual Current and Voltage Tester with 3~9V Voltage range and 0~3A Current range with Red + Blue LED Display Overview The USB Detector Current Voltage Tester is a very useful gadget for USB port checking and chargers which use it: you can check if USB port is active, if battery of external device is charged or if current is not exceeding limits. It comes with a very bright display. Specifications Voltage measuring range: 3V-9V Accuracy: 0.01V Current measuring range: 0-3A Accuracy: 0.01A Deviation: +/-1% Line loss: 0.1ohm Functions: Voltage & Current testing Can display voltage and current simultaneously to detect output voltage & current of a variety of power Can detect quality of USB cable With precision current calibrator, higher accuracy for current Communication function: Yes Data calibration: Yes Interface: USB2.0, USB3.0 More Information View More Information More Products View More Products

Buy 3 in 1 QC2.0 3.0 4-20V Electrical Power USB Capacity Voltage Tester Current Meter Monitor Voltmeter for R226.00

Buy CT3 USB 3.1 Power Meter Tester Digital Multimeter Current Tester Voltage D... (TYPE: CT3SINGLEMETER) for R1,645.00

Description: Digital Display USB Multifunction Tester 3V-30V Mini Current Voltage Charger Capacity Tester with Overcurrent Overvoltage Protect Specification: 1 Input / output voltage: 3V-30V 2 The input / output current: 0A- 3A 3 The test capacity range: 0-99999 mA 4 Accuracy: ± 1% 5 The test: voltage, current, discharge flow 6 The communication function: 7 Timing: YES 8 The over-current protection: Yes USAGE: Power display current and voltage, a single short press the button for about 0.5 seconds to view the capacity and timing screens. When displayed on the screen press capacity around button for two seconds to clear the stored data. When the display screen at the timing of the long press button for two seconds will be flashing numbers, and then press a single button for 0.5 seconds each time the cumulative 0.5 hours per block long press 2 seconds to confirm the save. To not adjusted to the timing of the timer function 0 hours (0 hours is normally open) phone is fully charged to automatically turn off the output. No load 20 seconds automatically shut down output. Current exceeds 3A will automatically shut down when the output voltage is higher than 22V. Close current output window displays OFF. Single short press the button for about 0.5 seconds to activate the output. Three characteristics The phone is fully charged to automatically turn off the output. No load 20 seconds automatically shut down output. It displays the voltage and current data mAH, timing, easy viewing. It can detect mobile power output mAH. Power-down save function USB and MicroUSB port male double take power, can be detected MicroUSB line quality. Current sampling 50 milliohms, smaller loss. With precision current calibration, higher current accuracy (calibrated okay shipped). Measuring voltage and current: USB male plug 5V chargers, mobile phones and other equipment female insert, read current and voltage directly. MicroUSB line quality measurement: female plug mobile phones and other devices, first use the native male plug 5V chargers, remember that voltage, then MicroUSB cable into the bore in mind that the machine MicroUSB charger voltage from 5V, the smaller the gap voltage MicroUSB cable quality is better. Battery capacity test: Use TP4056 and other linear charging circuit through this capacity to the table completely empty battery is fully charged to full capacity reading on the battery capacity, the use of this method can be measured charge capacity of the phone, the phone can even calculate the charging efficiency. Mobile measuring power output capacity and efficiency: The first machine connected mobile power, mobile power turn on, long press the button until the volume of data to zero, into the phone and more mobile power charging until no power automatically shut down. Next displayed when you turn the unit capacity is the mobile power output mAH. Note that this mAH than nominal mAH small output mAH * Output voltage 5V / battery mAH * Battery voltage 3.7V = mobile power efficiency Package included: 1 x Digital Display USB Multifunction Tester Details pictures:

Features: * Really easy to use and practical. * No need additional power supply, just plug and play. * Showing Voltage for 5-6s, then Current for 5-6s, voltage...current.. * It can measure the out put voltage of the USB port and the device operating current. * Working with all USB chargers. * Easy to find bad USB cables. * Current flow is very low(0.3-0.5A) and the voltage is 5.1V stable * Just note, some USB ports are limited to 0.5A, then the voltage drop to 4.7-4.88V (Laptop USBs mostly). Specification: Color: Blue (As the picture shown) Material: Plastic Voltage: 3.5V-7.0V error 0.1V (From manufacture data) Current: 0A-3A error 0.01A (From manufacture data) Weight: 25g Package includes: 1 x USB Tester Details pictures:

Buy USB Tester Digital DC Current Voltage Detector Power Bank Charger Indicator + USB Load for R305.00

Features: 1) 8192 pixels HD display. 2) D+ D- Voltage Tester. 3) Memory power time data such as power. 4) The single monitoring shows charging voltage, current, power, power WH,mAH, charging time and other information. 5) USB is the copper pin and a low resistance in sampling technology, access after almost does not affect the charging speed. 6) Wide voltage from 3.30 V to 32.7 V. 7) Low and lower power since the) Specification: Voltage measuring range: 3.30V ~ 32.7 V Resolution precision: 0.01 V Current measuring range: 0.00A ~ 5.00 A Resolution precision: 0.01 A Power cumulative range: 0 ~ 999999 WH Resolution precision: 0.001 Wh Capacity range: 0~999999 mAH Resolution precision: 0.001 Ah Temperature: 0??~+ 80?? Resolution precision:1 ??/span> D+ Voltage: 0.000V~2.999 V Resolution precision: 0.001 V D- Voltage: 0.000V~2.999 V Resolution precision: 0.001 V Load impedance: 0~999 ohm Resolution precision: 1 ohm Power metering range: 0~299.999 W Resolution precision: 0.001 W Timing maximum time: 999 H 59 M 59 S Resolution precision: 1 S Time to refresh: > 500 ms/time > 500 ms/times Measurement rate: 0.5 times/s Use large equipment of the same metal manganese bronze sampling resistor (1.0 mm diameter metal manganese bronze material Shell Color: Blue LCD Screen Backlight: White Product size: 65 x 24 x 14 mm Since the power flow: Working temperature: - 10 ~ + 60 ??/span> Working humidity: 10 ~ 80 (no doubt) The pressure of work: 80 ~ 106 kpa Net weight: 19g Package weight: 28g Important Tips: 1. Backlit the default value is 10 seconds automatically shut down, if you need to close a backlight or normally open backlighting, please in double-click backlit screen button or click the button to adjust. 2. When the ambient temperature changes or the outside heat conduction to tester causes the current to not return to zero and the display shows 0.01A or 0.02A or otherwise, Please Hold on the key buttion then insert to USB Charger It can make the current temperature of the ambient current zero calibration, After the zero can more accurate measurements. And when in Zero calibration, the output can not have any load current consumption, so usb tester display 0.00A. 3. Backlight default time is 10S time, through the key button, switch to the BL interface: 10S time interface, double-click or three-click to increase(+) time or decrease(-) time the backlight time, and the same time backlight switch "BL: OFF(time) ~BL: ON (time) 1S ~ 59S range" Increase(+) or three-Click(-) after the reduction, then long press key is a continuous increase in the reduction. To meet the individual needs of users. 4. When the power is > 0.5W, the time will be calculated! Packing Included: 1 x Digital USB Voltmeter Tester Detail Pictures:

Description: • This instrument adopts imported LV321 current operation amplifying IC, which provides 140 times of amplification factor and adopts 5 milliohm current sampling resistor, so it is more accurate than 50 milliohms of the same industry. • The small energy can stably display 1mA current, the small current range within 1A, the measurement error is less than 0.5mA, and the 4A high current range is less than 1%. Features: ?ﾺPower-Off storage technology. When testing the capacity, such as an unexpected power failure, when the voltage drops to 2.2V, the internal storage circuit is triggered instantaneously, and the capacity stored in the battery is saved. ?ﾺThe leading 5 ohm current sampling resistor, with smaller line loss, means that the Dynamic current can be measured more accurately by a larger current. ?ﾺQuickly read valid data in a short period of time, IC Resolution 0.1mA ?ﾺWhen the input voltage is lower than 4.5V or higher than 5.7V, the light alarm device will be triggered. (Measured iPhon'e is higher than 5.8V to stop charging) Specification: The measurement voltage range:3.50-26.99V Max current:4.19A. Display:The current is greater than 1A and the display unit is Ampere (A), for example 1.00, which means 1.00A. The 3-digit red LED indicates the USB input voltage in volts (V), for example 5.20V. Intra-range error is less than 1% The 3-digit blue digital tube indicates the USB input current. Less than 1A, the unit is mA, such as display 2, indicating 2mA; display 15: indicating 15mA; The charging test supports the new Qualcomm 12V charger with a large display voltage of 26.99V. Large withstand voltage 32V The overall power consumption does not exceed (25V) 8mA, the normal working current is 6mA, and the small working current is 2mA (turn off the screen display light) Package includes: 1 x USB Voltage Current Tester Detail pictures:

Features: Category: Mini end (need TTL online wire), Micro end (internal online transfer) Decoration and construction: test instrument. EBD-USB is a special USB small load used for testing mobile power and charger. It supports charging voltage trigger detection and USB charging voltage current detection that conform to for QC and MTK agreement. Specification: -Supply power: online USB power supply (5V) -Voltage range: 0.05-20V -Current range: 0.05-4.000A - Test mode: constant current discharging, For QC2.0/3.0 trigger, MTK-PE trigger, USB current voltage detection -Max power: 25W -Computer control software: support EB online software test (computer control, curve drawing, measuring datum correction, device firmware upgrade, power current test, etc.) Operation: 1. Download EB V1.85 Build 1018 software and PL 2303 drive, and install respectively. 2. Connect EBD-USB to computer through MicroUSB (or MiniUSB online wire) 3. Find the respective port in computer's device manager (can refer to the software instruction diagram) 4. Open EB software, choose respective port, and connect the device to implement the test Package Included: 1 x EBD USB Discharging Load Detail Pictures:

Description: Rated power: 10W Voltage: 5V A designed according to the principle of ohm's law and through the resistor in parallel through a different switch, can produce 3 kinds of resistance of a new USB electronic load resistance discharge, when all the switch opens, is 2.2 ohm/10W, 4.7 ohm/10W, 2 kinds of resistance in parallel at the same time, in 5V voltage almost can produce 3A discharge current.   The actual current size, please according to ohm's law: I = U/R Resistor in parallel calculation formula: R=1/(1/R1+1/R2+...+1/Rn) K1=4.7Ohm/10W, K2=2.2Ohm/10W It's easy to test the output current of power bank, cellphone charger and USB power if up to standard. And it can do the aging test on power bank and USB power adapter. When it's discharge on the aging test, resistance will be hot, the temperature is about 80 - 85, please note that the anti-hot. Not included the USB tester. Package included: 5 x USB aging discharge loader

Description: Rated power: 10W Support QC2.0(5V/9V/12V/20V), compatible QC3.0(3.8~12V,+/-2 Step), Android BC1.2(5V), Apple 5V voltage range and MTK-PE 5V/7V/9V/12V, etc. It's easy to test the output current of power bank, cellphone charger and USB power if up to standard. And it can do the aging test on power bank and USB power adapter. When it's discharge on the aging test, resistance will be hot, the temperature is about 80 - 85 ?? please note that the anti-hot. Not included the USB tester. Package included: 3 x 4 switch USB aging discharge loader

Description: Rated power: 10W Support QC2.0(5V/9V/12V/20V), compatible QC3.0(3.8~12V,+/-2 Step), Android BC1.2(5V), Apple 5V voltage range and MTK-PE 5V/7V/9V/12V, etc. It's easy to test the output current of power bank, cellphone charger and USB power if up to standard. And it can do the aging test on power bank and USB power adapter. When it's discharge on the aging test, resistance will be hot, the temperature is about 80 - 85 ￢ﾄﾃ, please note that the anti-hot. Not included the USB tester. Package included: 5 x 4 switch USB aging discharge loader

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Features: The POWER-Z KT001 can be used to test all the phone, rechargeable chargers, chargers, and USB PD Type-C notebooks, and the charging voltage and current of the tablet. Support QC3.0, QC2.0, AFC, FCP, PD trigger and has the agreement automatic detection function. Function: - Size: 77*35*14mm - LCD size: 1.44 inch - LCD type: TFT - Resolution: 128*128 - Languages: English/Chinese/ Japanese - Interface type: USB-A/Micro USB/Type-C - Interface quantity: 5 (1x HID) - Interface impedance: 28m ohm - Operate type: Track-wheel - Independent power supply; HID 5V - Working current: 0.4mA/5v - Voltage accuracy:0.0001V - Current accuracy: 0.00001A - Voltage measuring range: 4-26V - Current measuring range: 0-6A - Offline record group number: 350*4 group - D+/D- voltage display: support - Screen Rotation: not support - QC2.0/ QC3.0/ AFC /FCP /USB PD/ trigger: support - Type-C Line resistance test: support - MFI data line identification: Auto - Fast charge protocol automatic detection: Auto asking - Apple 2.4A accelerate: support - Clock/ temperature display: support - USB firmware update: support Interface function: - The POWER-Z KT001 is equipped with five connectors and two keys. - to detect the USB-A male and USB-A mother between the two-way current, Type-C input and Type-C output interface between the two-way current and Type-C input to the USB-A mother Of the current. - USB PD lure switch: the default is off, PD lure when the switch to the "ON" position, after the end of its back to "OFF" position can be. - Click a button shuttle: the main interface switch, option confirmation; - Double-click a button shuttle: exit and so on; - Left key: fast charge trigger, option switch; - Right: Curve information, options to switch. Package included: 1 x ChargerLAB POWER-Z USB PD Tester Voltage Current Dual Type-C Meter FL001 POWER-Z USB PD Tester MFi Identification PD Decoy Instrument KT001 POWER-Z USB PD Tester MFi Identification PD Decoy Instrument KT001 POWER-Z USB PD Tester MFi Identification PD Decoy Instrument KT001

Description: 2017 Newest design Multifunction USB + Type-C Port Tester Arrive! This instrument can monitor voltage, current, capacity, electric quanity, power, load impedance, D+/D- voltage, charging time and other data of USB, and supports Qualcomm QC3.0 compatible QC2.0, Bc1.2, and Apple 2.4A and other protocol quick charging voltage ranges, support OTG fucntion. Specification: Voltage measuring range: 3.30V~30.0V Resolution Precision: 0.01V Current measuring range: 0.00~5.10A Resolution Precision: 0.01A