Portable Digital Multimeter LBN-MT121 provides accurate electrical measurements with a 4½-digit, 22000-count true-RMS system for reliable testing. It features a 3.5-inch high-resolution TFT LCD screen with dual-parameter display for clear readings. Equipped with an STM32 chip and external double integral AD for stable and precise performance. Integrated multiple measurement functions with automatic or manual range switching and full-range overload protection. Our Portable Digital Multimeter is ideal for electricians, engineers, laboratories, and educational institutions.
| Display Type | 3.5-inch TFT LCD |
| Display Resolution | 320 × 480 |
| Measurement Digits | 4½ Digits |
| Count | 22000 Counts |
| Measurement Type | True RMS |
| Measurement Rate | FAST (7 times/sec), MID (5 times/sec), SLOW (2 times/sec) |
| Basic DC Voltage Accuracy | 0.05% |
| Measurement Functions | AC Voltage, DC Voltage, AC Current, DC Current |
| Resistance Measurement | Two-wire / Four-wire Resistance |
| Frequency Measurement | Period / Frequency |
| Additional Measurements | Diode Test, Continuity Test, Capacitance, Duty Cycle |
| Temperature Measurement | Thermocouple (K, N, R, S, T, B, E, J, WRe325, WRe526) |
| RTD Temperature Support | PT100, PT50, Cu100, Cu50 |
| Range Switching Mode | Automatic / Manual |
| Trigger Mode | Automatic, Single, External (Optional) |
| Mathematical Functions | MX+B, MAX, MIN, dB, dBm, Rel, Comp Hi, Comp Low, Statistics |
| Data Functions | Data Hold, Data Record, Data Readback |
| Calibration | Open Calibration Function |
| Output Function | Square Wave Output (Optional) |
| Interface | USB Device |
| Communication Protocol | SCPI Supported |
| Protection | Full-Range Overload Protection |
| Language Settings | English |
| Power Supply | AC Powered |
| Packaging Dimensions (W×D×H) | 270 × 310 × 110 mm |
| Gross Weight | 3.8 kg |
Portable Digital Multimeter LBN-MT121 is essential for various applications in research and laboratories, including electrical measurements, system diagnostics, and testing of various components.
Portable Digital Multimeter LBN-MT121 is essential for various applications in research and laboratories, including electrical measurements, system diagnostics, and testing of various components.
Most Frequently Asked Questions
1. What is a portable digital multimeter?
Ans. It is a device used to measure voltage, current, and resistance in electrical circuits.
2. How do I measure voltage with a digital multimeter?
Ans. Set it to voltage mode, connect the probes, and read the value on the screen.
3. Can I check battery power with a portable digital multimeter?
Ans. Yes, by setting it to DC voltage mode, you can check if the battery has enough charge.
4. Is a portable digital multimeter easy to use?
Ans. Yes, it has a display screen and simple controls for quick measurements.
5. How do I keep my digital multimeter in good condition?
Ans. Store it in a dry place, replace the battery when needed, and clean the probes regularly.
