The HK88C Digital Multimeter is a 9999-count True RMS auto-ranging tester designed for technicians who need broader function coverage and higher display resolution in daily electrical work. It combines advanced core measurements with practical field features, including NCV, live wire recognition, analog bar display, LoZ AC/DC, V.F.C, temperature testing, capacitance, frequency, and square wave output.
With its EBTN display, the HK88C offers improved readability in darker working environments, while its CAT III 600V safety rating supports dependable use in common installation, maintenance, and troubleshooting applications. For users who want a compact handheld meter with more advanced testing capability than a standard entry-level multimeter, HK88C is a strong all-round solution.
Key Features
9999-count True RMS digital multimeter for higher reading resolution
Auto ranging for faster, easier measurement
EBTN display for improved visibility
Measures DC/AC voltage, DC/AC current, resistance, capacitance, frequency, and temperature
NCV detection for fast non-contact voltage checking
Live wire recognition for convenient field identification
Analog bar display for dynamic signal observation
LoZ AC/DC helps reduce ghost-voltage false readings
V.F.C function for variable-frequency related testing
Square wave output for added diagnostic flexibility
Diode test, continuity buzzer, MAX/MIN, data hold, and relative mode
CAT III 600V safety rating
Specifications
| Item | HK88C |
|---|---|
| DC Voltage | 999.9mV / 9.999V / 99.99V: ±(0.5% + 3d); 600V: ±(0.8% + 5d) |
| AC Voltage | 9.999V / 99.99V / 600.0V: ±(1.0% + 5d) |
| DC Current | 999.9μA / 9999μA / 9.999mA / 99.9mA: ±(1.0% + 5d); 999.9mA: ±(2.0% + 5d); 10A: ±(3.0% + 5d) |
| AC Current | 999.9μA / 9999μA / 9.999mA / 99.9mA: ±(1.8% + 5d); 999.9mA: ±(2.0% + 5d); 10A: ±(3.0% + 5d) |
| Resistance | 999.9Ω / 9.999kΩ / 99.99kΩ / 999.9kΩ: ±(1.0% + 5d); 9.999MΩ: ±(1.2% + 8d); 99.99MΩ: ±(5.0% + 10d) |
| Capacitance | 10nF: ±(4.0% + 25d); 100nF / 1μF / 10μF / 100μF: ±(4.0% + 15d); 1mF / 60mF: ±(10% + 5d) |
| Frequency | 10Hz / 100Hz / 1kHz / 10kHz / 100kHz / 1MHz / 10MHz: ±(0.5% + 4d) |
| 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) |
| Square Wave Output | 50 / 100 / 200 / 300 / 400 / 500 / 600 / 700 / 800 / 900Hz / 1k / 2k / 4k / 5kHz: ±(0.1% + 5d) |
| True RMS | Yes |
| Display Count | 9999 |
| Diode Test | Yes |
| Continuity Buzzer | Yes |
| NCV | Yes |
| Live Wire Recognition | Yes |
| Analog Bar Display | Yes |
| LoZ AC/DC | Yes |
| V.F.C | Yes |
| Display Type | EBTN |
| MAX/MIN | Yes |
| Data Hold | Yes |
| Relative Mode | Yes |
| Auto Power Off | Yes |
| Fused Alarm (FUSED) | Yes |
| Range Selection | Auto |
| Safety Rating | CAT III 600V |
| Battery Type | 1.5V AAA × 2 |
| Display Size | 51.5 × 40mm |
| Product Size | 155 × 72 × 45mm |
| Product Weight | 254g |
Applications
Electrical installation and maintenance
Industrial and workshop troubleshooting
Frequency and signal-related checking
Temperature testing in service work
Appliance and equipment diagnostics
Panel, outlet, and wiring inspection
General field service requiring higher measurement resolution
Popular FAQ
1. What makes HK88C different from a standard digital multimeter?
HK88C offers a 9999-count display, True RMS, LoZ AC/DC, V.F.C, and square wave output, giving it broader capability than many standard handheld meters.
2. Is HK88C suitable for professional electrical maintenance?
Yes. HK88C is designed for routine electrical service, troubleshooting, installation checks, and advanced general-purpose testing.
3. Does HK88C support temperature measurement?
Yes. It measures temperature up to 1000°C / 1832°F, making it useful for wider maintenance and inspection tasks.
4. What is the advantage of LoZ AC/DC?
LoZ AC/DC helps reduce misleading readings caused by ghost voltage, especially during wiring and installation checks.
5. Does HK88C have non-contact voltage detection?
Yes. It includes NCV as well as live wire recognition for quicker electrical checks in the field.
6. Can HK88C measure capacitance and frequency?
Yes. HK88C supports both capacitance and frequency measurement, giving it stronger diagnostic flexibility.
7. Does HK88C have square wave output?
Yes. Square wave output is one of the advanced functions that helps differentiate HK88C from simpler models.
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 |











