DT-830D Digital Multimeter AC/DC Voltage Ohm Tester

DT-830D Digital Multimeter – AC/DC Voltage, Current & Ohm Tester

The DT-830D Digital Multimeter is a compact, entry-level multimeter that covers all the essential measurements needed for electronics prototyping, PCB debugging, and electrical testing. With a clear 3½ digit LCD display and a rotary range selector, it is straightforward to use for beginners and reliable enough for daily bench use.

Key Specifications

• Display: 3½ digit LCD (max reading: 1999)
• DC Voltage: 200mV / 2V / 20V / 200V / 1000V
• AC Voltage: 200V / 750V
• DC Current: 200µA / 2mA / 20mA / 200mA / 10A
• Resistance: 200Ω / 2KΩ / 20KΩ / 200KΩ / 2MΩ
• Diode Test: Yes
• Transistor hFE Test: Yes (NPN/PNP)
• Power: 9V battery (included)

Compatibility & Use Cases

An essential tool for anyone working with Arduino, ESP32, NodeMCU, or any electronics platform. Common applications include:

• Measuring supply voltages on 3.3V and 5V power rails
• Checking resistor values and continuity on PCBs
• Testing diodes, transistors (BC547, BC557) and LEDs
• Measuring current draw of IoT modules and sensors
• AC mains voltage verification for power supply circuits

The transistor hFE socket makes it particularly useful for quickly verifying BJT gain before soldering into a circuit.

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