The Honeytek HK588C is a 4000-count True RMS digital clamp meter designed for electricians, maintenance technicians, and facility engineers who need more measurement functions in one compact tool. It supports AC current testing up to 600A, AC/DC voltage up to 600V, resistance up to 40MΩ, capacitance up to 100mF, frequency up to 10MHz, duty cycle, and temperature measurement up to 1000°C / 1832°F.
With NCV, live wire recognition, continuity buzzer, diode test, data hold, relative mode, flashlight, and LCD backlight, the HK588C is a versatile solution for daily electrical troubleshooting, appliance repair, HVAC checks, and industrial maintenance.
Key Features
- 4000-count display for higher reading resolution
- True RMS measurement for reliable AC readings
- AC current measurement up to 600A
- AC/DC voltage measurement up to 600V
- Capacitance, frequency, duty cycle, resistance, and temperature functions
- NCV and live wire recognition for quick electrical checks
- Relative mode, data hold, backlit LCD, flashlight, diode test, and continuity buzzer
- CAT III 600V safety rating
Specifications
| Function | Range | Accuracy |
|---|---|---|
| DC Voltage | 400mV / 4V / 40V / 400V / 600V | ±(0.5%+3d) / ±(0.8%+5d) |
| AC Voltage | 400mV / 4V / 40V / 400V / 600V | ±(1.0%+5d) |
| DC Current | – | – |
| AC Current | 40A / 400A / 600A | ±(2.5%+10d) |
| Resistance | 400Ω / 4k / 40k / 400k / 4M / 40MΩ | ±(1.0%+10d) to ±(2.0%+10d) |
| Capacitance | 10nF – 100mF | ±(4.0%+25d) to ±(10%+5d) |
| Frequency | 10Hz – 10MHz | ±(0.5%+2d) |
| Duty Cycle | 0.1% – 99.9% | ±(3.0%+3d) |
| Temperature (°C) | -20°C–1000°C | ±(5%+4d) / ±(3%+3d) |
| Display Count | 3999 | |
| Jaw Size | Ø22.7×42.3mm | |
| Size & Weight | 194×72×35mm, 230g | |
| Battery | 3×1.5V AAA |
Application
Residential and commercial electrical troubleshooting
HVAC system testing
Power distribution maintenance
Education and training in electrical engineering
On-site industrial equipment diagnostics
Need DC current measurement as well as AC current testing? See the Honeytek HK588D — the 4000-count True RMS clamp meter variant with added DC current measurement for broader electrical diagnostics.











