The HK88D Digital Multimeter is a 5999-count True RMS smart/auto-ranging tester designed for practical electrical measurement and troubleshooting with an upgraded graphical display interface. It provides reliable core measurement performance for voltage, current, resistance, capacitance, frequency, and temperature, while also integrating user-friendly functions such as NCV, live wire recognition, analog bar display, V.F.C, diode test, continuity buzzer, and MAX/MIN.
Compared with more conventional handheld meters, HK88D stands out with its graphical display design and smart/auto range selection, which help improve operating convenience in everyday field use. With CAT III 600V safety rating and rechargeable battery configuration shown on the supplied specification sheet, it is well suited for technicians who want a practical, modern-style multimeter for routine inspection and maintenance work.
Key Features
5999-count True RMS digital multimeter
Smart/Auto ranging for more convenient operation
Graphical display for a more intuitive reading experience
Measures DC/AC voltage, DC/AC current, resistance, capacitance, frequency, and temperature
NCV detection for non-contact voltage checking
Live wire recognition for fast field identification
Analog bar display for easier observation of signal changes
V.F.C function for variable-frequency related measurement
Diode test and continuity buzzer for daily troubleshooting
MAX/MIN, data hold, relative mode, and auto power off
CAT III 600V safety rating
Rechargeable battery configuration listed on the supplied spec sheet
Specifications
| Item | HK88D |
|---|---|
| DC Voltage | 600mV / 6V / 60V: ±(0.5% + 3d); 600V: ±(0.8% + 5d) |
| AC Voltage | 600mV / 6V / 60V: ±(1.0% + 3d); 600V: ±(1.2% + 5d) |
| DC Current | 6A / 10A: ±(1.0% + 5d) |
| AC Current | 6A / 10A: ±(1.0% + 5d) |
| Resistance | 600Ω / 6kΩ / 60kΩ / 600kΩ / 6MΩ: ±(1.0% + 5d); 60MΩ: ±(1.2% + 8d) |
| Capacitance | 600nF / 6μF / 60μF / 600μF: ±(4.0% + 15d); 6mF / 60mF: ±(10% + 5d) |
| Frequency | 10Hz / 100Hz / 1kHz / 10kHz / 100kHz / 1MHz: ±(0.5% + 2d) |
| Temperature (°C) | -20°C to 0°C: ±4°C; 0°C to 400°C: ±(2.0% + 3d); 400°C to 1000°C: ±(3.0% + 3d) |
| Temperature (°F) | -4°F to 50°F: ±5°F; 50°F to 750°F: ±(2.0% + 5d); 750°F to 1832°F: ±(3.0% + 5d) |
| True RMS | Yes |
| Display Count | 5999 |
| Diode Test | Yes |
| Continuity Buzzer | Yes |
| NCV | Yes |
| Live Wire Recognition | Yes |
| Analog Bar Display | Yes |
| LoZ AC/DC | No |
| V.F.C | Yes |
| Display Type | Graphical |
| MAX/MIN | Yes |
| Data Hold | Yes |
| Relative Mode | Yes |
| Auto Power Off | Yes |
| Fused Alarm (FUSED) | Yes |
| Range Selection | Smart/Auto |
| Safety Rating | CAT III 600V |
| Battery Type | 3V (AAA) Li-ion rechargeable × 2 |
| Display Size | 51.5 × 40mm |
| Product Size | 155 × 72 × 45mm |
| Product Weight | 254g |
Applications
Daily electrical troubleshooting
Maintenance and service inspection
Voltage and current testing in the field
General-purpose repair and diagnostics
Temperature measurement in maintenance work
Equipment and appliance checking
Users who prefer a graphical display and smart measurement interface
Popular FAQ
1. What is the main advantage of HK88D?
HK88D combines True RMS, a graphical display, and smart/auto range selection, making it convenient for daily professional use.
2. Is HK88D suitable for electricians and maintenance technicians?
Yes. HK88D is suitable for everyday voltage, current, resistance, capacitance, frequency, and temperature testing in electrical maintenance work.
3. Does HK88D include NCV and live wire recognition?
Yes. It supports both NCV and live wire recognition for fast field checks.
4. Does HK88D support temperature testing?
Yes. HK88D supports temperature measurement up to 1000°C / 1832°F.
5. What is the difference between HK88C and HK88D?
HK88C offers a 9999-count EBTN display, LoZ AC/DC, and square wave output, while HK88D features a 5999-count graphical display and smart/auto ranging for a more intuitive operating experience.
6. Is HK88D rechargeable?
According to the supplied specification sheet, HK88D uses AAA Li-ion rechargeable batteries.
7. What safety level does HK88D have?
HK88D is rated CAT III 600V, suitable for many common electrical testing environments.
Comparison : HK88C vs HK88D
| Feature | HK88C (EBTN Display) | HK88D (Graphical Display) |
|---|---|---|
| Counts | 9999 | 5999 |
| Display Type | EBTN LCD | Graphical Display |
| Range Selection | Auto | Smart/Auto |
| DC Voltage Range | up to 600V | up to 600V |
| AC Voltage Range | up to 600V | up to 600V |
| Current Range | up to 10A | up to 10A |
| Resistance | up to 99.99MΩ | up to 60MΩ |
| Capacitance | up to 60mF | up to 60mF |
| Frequency | 10MHz | 10MHz |
| Temperature Range | -20°C ~ 1000°C | -20°C ~ 1000°C |
| Battery Type | 1.5V AAA × 2 | 3V (AAA) Li-ion rechargeable × 2 |
| Special Feature | Higher resolution (9999 counts) | Graphical interface + rechargeable |
| Best For | Precision measurement users | Visual data & rechargeable usage |











