ReviewsVoltage Current

ZRM&E 0.28 Inch Mini Digital Voltmeter Ammeter DC 0-100V 50A Red Blue Dual LED Display Panel Amp Volt Current Meter 2 In 1 Tester with Current Shunt

Type: Voltmeter & Ammeter 2 in 1 Tester, Voltage Measuring Range: DC 0.0V-100V, Current Measuring Range: DC 0-50A.
2 Color LED Dispaly: Adopting three 0.28" LED digital tube, red + blue dual voltage and current display, automatically moving, bright and clear, convenient for you to check the measured result..
Function: Can display voltage and current at the same time in such a small size, all-cover shell, safe, reliable and dustproof, with reverse connection protection, high precision, high reliability, for high-end applications..
Easy to Use: Come with 2 x cables and 1x 75 milli-ohm Current Shunt, which are easy to connect..
Application: Can be widely applied to monitoring voltage of storage battery, mastering voltage state of storage battery, and measuring voltage and current of other devices..

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High Voltage DC-DC Boost Converter 8V-32V to 45V-390V Adjustable ZVS Capacitor Charging Power Supply Module

Input voltage: two input voltage range selectable, (jumper selectable through the back of the PCB, default setting 10-32V input): 1) 8V-16V input 2) 10V-32V input.
Output voltage: 45-390V continuously adjustable (the default output 50V. This module has regulator function, after adjusted output voltage is stable and unchanging, not with changes in input voltage changes).
Output Current: 0.2A MAX (affected by input voltage and dropout voltage,the higher the output voltage, the smaller the output current).

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High Voltage DC-DC Boost Converter 1.5V-3V to 300V-400V 380V Adjustable Step-up Voltage Booster Power Supply Module

3V DC boost power module, High-voltage sensors, Quiescent current 12mA, Size: 58x17x14mm/2.28x0.66x0.55inch.
Input voltage 3V, the output voltage adjustable range of 300V-400V (this circuit is not added voltage regulator circuit, the input voltage decreases the output voltage will drop)..
When the high voltage output is connected with a load, the on-board vibrator wiring terminal will have 3V voltage output (also can be connected in series with a LED and dozens of ohms resistanceas an indicator)..

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MASTECH MS2108A AC/DC Clamp Meter Multimeter Voltmeter Resistance Ohm 4000 counts

Perform measurements of inrush current, AC / DC voltage and current, resistance, frequency, duty cycle, capacitance, continuity and diode test..

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EBC-A40L Battery Tester Electronic Load 0.1-40A Large Current Lithium Battery Charge Dischage Capacity Tester, 0-5V Fe Battery Cyclic Tester

【Product Parameters】 Voltage range: 0-5V voltage, accuracy: 0.2%+-0.003V, current range: 0.1-40A (maximum charging current 40A), current accuracy: 0.2%+0.01A, discharge mode: CC/CP, Discharge termination: time/cutoff voltage/manual, discharge power: 200W Max, charging method: CV constant current and constant voltage charging, charge termination: cutoff current/manual, heat dissipation: fan, power supply: AC110V..
【Practical Tester】EBC-A40L is an electronic load with charging function. It is suitable for charging and discharging capacitance test of various batteries, mobile power supply discharge test, charging head power performance test, supports connecting to a computer, and realizes more extended functions through online software..
【Automatic Test】The charging method is standard charging, and supports nickel-metal hydride, nickel-chromium, lithium, iron-lithium, and lead-acid. Support automatic charge-discharge-charge mode to test battery capacity. LCD display: voltage, current, capacity, time, power, energy test data..
【Excellent Performance】This EBC-A40L battery capacity tester is designed for high current charge and discharge within 5V, it supports a maximum charge current of 40A and discharge of 40A. It can be connected with a com....

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WayinTop 2pcs ACS712 Hall Effect Current Sensor Module 30A Range ACS712 Module + 2pcs Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor for Arduino

【Perfect Combination】Using this product can measure both voltage and current, very suitable for DIY electronic design projects..
【Current Sensor Module】Chip: ACS712ELC-30A.
Pin 5V power supply, on-board power indicator.
The module can measure positive and negative current of 30 amperes, corresponding to analog output of 66mV/A..
【Voltage Sensor Module】Voltage input range: DC0-25V.
DC input connector: Terminal cathode connected to VCC, GND negative pole.
Output interface: "+" then 5/3.3V, "-" then GND, "s" then the for Arduino AD pins..
【Package Included】2 x ACS712 Hall Effect Current Sensor Module + 2 x Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor.

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Square D EHB14020AS Remote Control Circuit Breaker, 20A, 1-Pole, 277V

PARAMETERS: Rated Working Voltage: AC100V-240V.
MULTI FUNCTIONS: This circuit breaker has voltage, current, power threshold setting, adjustable leakage parameters, electrical parameters, reading of electrical degree measurement, powerful current statistics function..
SENSITIVE SIGNAL: The circuit breaker with high sensitive signal acceptance meets various environmental requirements, remote control of electrical equipment such as homes, schools, shopping malls, offices, irrigation farms, water pumps, rental houses, etc..
DATA DISPLAY: The computer can be connected with the RS485 port of the switch, and the parameters such as voltage, current, active power, reactive power and leakage value can be read while controlling the switch..
AFTER-SALES GUARANTEE: Please feel free to contact us for any questions, and we will do our best to help you!.

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2 PCS USB Voltage/Amps Power Meter Tester Multimeter Test speed of chargers cables capacity of power banks

Accuracy: plus or minus 1%, accurate measurement data. Input Voltage: 3V-15V, Voltage Resolution: 0.01V, Test Current: 0.05A-3.50A, Current....
Displays Current (Amps), voltage and capacity (19,999 mah).
portable and easy to carry,With LCD screen, easy to see the current and voltage of the devices.
Can handle charging speeds up to 3.5A (3,500 ma) and 3v-7v.
Test using a USB charger, battery power bank or Micro USB Cable. Testing for iPhone or forAndroid phone.

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USB Buck Boost Converter with CNC Shell DROK DC 6V - 30V Step Up Down to 0 - 36V Power Supply 6V 12V 24V 36V Voltage Regulator Fast Charging Module for Mobile Phone LCD Digital Display

Parameter --- Input Voltage: DC 6.00-30.00V.
Dipslay --- 1.44 Inch Digital Colorful LCD HD Screen, Clear & Convenient..
Detectable Internal/External Temperature.
Protection --- Input Anti Reverse-Connect Protection, Output Short Circuit Protection, Over Voltage Protection (OVP), Over Current Protection (OCP),....
Custom CNC Shell --- Type-C Input and USB-A Output.

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RVCAZON 50 Amp Circuit Breaker with Manual Reset Voltage Current Display Circuit Protector for Marine Trolling Motors Boat ATV Manual RV Bus Solar Inverters Power Protect 12V-48Vmax DC Waterproof

Over Current Protection -- When the current exceeds the rated current 50A, the Breaker automatically power OFF, prevents excessive current and stops power surges from damaging Amps..
Over Voltage Protection -- When the voltage exceeds 48V, the Breaker automatically power off..
Current and Voltage Display -- Real-time detection of voltage and current to protect DC current load, Save more detection tools and time..
Breaker Reset -- 1.When the switch automatically power off, first turn off the switch button, and then open again to normal use. 2.The switch has active power off function, press the Breaker button to power off, Protect your battery life..
Wide Application -- Mainly used for RV Yacht Battery Trailer Bus Truck Audio System Solar systems inverters Circuit system Overload Protection, 12V - 48V DC.

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Juried Engineering LM393P LM393 IC Dual Differential Comparator & 8-Pin DIP Sockets with Machined Contact Pins Breadboard-Friendly (Pack of 10)

Four independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages.
Wide Supply Ranges Single Supply: 2 V to 36 V, Dual Supplies: ±1 V to ±18 V, Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage: ±36 V, Low Input Offset Current: 3 nA (Typical).
Low Supply-Current Drain Independent of Supply Voltage: 0.8 mA (Typical), Low Output Saturation Voltage, Common-Mode Input Voltage Range Includes Ground.
Low Input Bias Current: 25 nA (Typical), Low Input Offset Voltage: 2 mV (Typical), Low Output Saturation Voltage.
Example Applications: Industrial, Automotive: Infotainment and Clusters, Body Control Modules, Power Supervision, Oscillators, Peak Detectors, Logic, Voltage Translation.

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