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0.28-inch DC 100V 50A LED digital voltmeter ammeter
0.28-inch DC 100V 50A LED digital voltmeter ammeter with shunt for power supply and battery monitoring.
Description
The 0.28-inch DC 100V 50A LED Digital Voltmeter Ammeter is a compact and accurate panel meter designed to measure DC voltage (0–100V) and current (0–50A) simultaneously. Featuring a bright 0.28-inch LED display, it provides clear and easy-to-read voltage and current readings in real time.
This module is ideal for power supplies, battery monitoring systems, solar projects, automotive applications, DIY electronics, and industrial control panels. Equipped with a 50A shunt resistor, it ensures precise current measurement with stable performance. The small panel-mount design allows easy installation in enclosures and control boards.
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- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.

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