HK28A Pocket Type Auto Range Digital Multimeter
The HK28A is a compact, lightweight, and portable auto range digital multimeter designed for quick and reliable electrical measurements. With a display count of 1999, it delivers accurate readings for voltage, current, resistance, capacitance, frequency, and duty cycle. Perfect for daily electrical troubleshooting, it combines essential functions with easy handling.
Highlights
1999 display count for basic measurement needs
Compact and ultra-light (only 103g)
Essential test functions with auto-ranging
Built-in diode test and continuity buzzer
- CAT III 300V safety rating
Specifications
| Item | Range / Value |
|---|---|
| DC Voltage | 200mV / 2V / 20V / 200V / 500V |
| AC Voltage | 200mV / 2V / 20V / 200V / 500V |
| DC Current | 200μA / 2000μA / 20mA / 200mA / 2A |
| AC Current | 200μA / 2000μA / 20mA / 200mA / 2A |
| Resistance | 200Ω / 2kΩ / 20kΩ / 200kΩ / 2MΩ / 20MΩ |
| Capacitance | 20nF / 200nF / 20µF / 200µF / 1000µF |
| Frequency | 10Hz / 100Hz / 1kHz / 10kHz / 100kHz / 1MHz / 10MHz |
| Duty Cycle | 1% ~ 99% |
| Display Count | 1999 |
| Special Functions | Diode Test, Continuity Buzzer, MAX/MIN, Auto Power Off |
| Safety Rating | CAT III 300V |
| Weight | 103g |
| Power Supply | 1.5V AAA × 2 |
Application Scenarios
Home and office electrical troubleshooting
Solar PV and small electronics testing
Automotive DC circuit diagnostics
Training labs for electrical engineering students
Portable use for field service engineers






