The Honeytek HK888D is a specialized and robust clamp meter designed specifically for the unique demands of photovoltaic (PV) installation and maintenance. With its high-voltage 2000V measurement range and 2000A AC/DC capability, the HK888D provides solar professionals with the safety and precision required for working on high-voltage solar arrays and inverters. Its advanced features, including a double-opening clamp and dedicated PV test leads, make it the ultimate tool for the solar industry.
Highlights:
Solar PV Specialization: Purpose-built for photovoltaic systems with a high-voltage 2000V range and included PV test leads with plugs.
High AC/DC Current Measurement: Accurately measures current up to 2000A for both AC and DC systems.
CAT IV 1000V Safety Rating: Ensures top-of-the-line safety for work in high-voltage DC environments up to 2000V.
True RMS with 6000 Count Display: Guarantees accurate and precise readings on all waveforms.
Advanced Features: Includes Inrush Current, LoZ AC/DC, Temperature, and Peak measurement.
Ergonomic Design: Features a double-opening clamp for easier access and an inbuilt spotlight for visibility in any conditions.
Technical Specifications:
| Specification | Range | Accuracy |
| DC Voltage | 600mV/6/60/600V | ±(0.5%+3d) |
| 2000V | ±(1.0%+5d) | |
| AC Voltage | 6/60/600V | ±(1.0%+5d) |
| 2000V | ±(1%+10d) | |
| DC Current | 600/2000A | ±(2.5%+5d) |
| AC Current | 600A | ±(2.5%+10d) |
| 2000A | ±(2.5%+5d) | |
| Resistance | 6k/60k/600k/6MΩ | ±(0.8%+2d) |
| 60MΩ | ±(2.5%+5d) | |
| Capacitance | 10nF~100mF | ±(4.0%+25d) |
| Frequency | 10/100/1k/10k/100k/1M/10MHz | ±(0.5%+2d) |
| Duty Cycle | 0.1-99.9% | ±(2.0%+5d) |
| Temperature | -40°C~1000°C / -40°F~1832°F | ±(2.0%+3d) |
| Jaw Size | Φ60.5mm | |
| Safety Rating | CAT III 1500V / CAT IV 1000V | |
| Dimensions | 285 x 105 x 44 mm | |
| Weight | 650g |
HK888 Series Clamp Meters
Four Models for Different Measurement Needs
The HK888 series combines True RMS measurement, a 6000-count display, and voltage ranges up to 2000V DC and 1500V AC. Each model offers a distinct combination of measurement functions and design features, from phase sequence testing to flexible-coil current measurement and a premium waterproof design.
HK888A — 2000A AC Clamp Meter with Phase Sequence Testing
The HK888A combines 2000A AC current measurement with phase sequence testing, providing a practical feature set for electrical installation and maintenance work.
Key features
- Phase sequence testing.
- AC current measurement up to 2000A.
- Frequency measurement up to 10MHz.
- Duty cycle measurement from 0.1% to 99.9%.
- Inrush current measurement and peak hold.
- 60.5mm jaw opening.
HK888B — 2000A AC/DC Clamp Meter with 3000A Flexible-Coil Support
The HK888B offers versatile current measurement with support for an optional 3000A flexible coil. VFD testing and AC+DC current measurement extend its capabilities for electrical maintenance applications.
Key features
- AC and DC current measurement up to 2000A.
- Support for an optional 3000A flexible current coil.
- AC+DC current measurement up to 2000A.
- VFD testing for AC voltage and AC current.
- Temperature measurement up to 1300°C / 2372°F.
- NCV detection and live wire recognition.
- 60.5mm jaw opening.
HK888D — 2000A AC/DC Clamp Meter for General-Purpose Testing
The HK888D brings together current, voltage, temperature, frequency, and duty cycle measurement in a general-purpose instrument. Its broad measurement range makes it a practical choice for everyday electrical testing and maintenance.
Key features
- AC and DC current measurement up to 2000A.
- Temperature measurement up to 1300°C / 2372°F.
- Frequency measurement up to 10MHz.
- Duty cycle measurement from 0.1% to 99.9%.
- NCV detection and live wire recognition.
- Inrush current measurement and peak hold.
- 60.5mm jaw opening.
HK888E — Premium Dual-Molded Clamp Meter with Waterproof Design
Designed for the premium market, the HK888E is the only model in this series with a dual-color injection-molded housing. It combines a waterproof design and a larger 66mm jaw opening with 3000A flexible-coil support and VFD testing.
Key features
- Exclusive dual-color injection-molded housing within the HK888 series.
- Waterproof design.
- Large 66mm jaw opening.
- AC and DC current measurement up to 2000A.
- Support for a 3000A flexible current coil.
- AC+DC current measurement up to 2000A.
- VFD testing for AC voltage and AC current.
- Temperature measurement up to 1300°C / 2372°F.
- NCV detection and live wire recognition.
Features Shared Across the Series
| Feature | Specification |
|---|---|
| True RMS | Supported |
| Display count | 6000 counts |
| DC voltage | Up to 2000V |
| AC voltage | Up to 1500V |
| LoZ voltage measurement | DC 2000V / AC 1500V |
| AC current | Up to 2000A |
| Resistance | Up to 60MΩ |
| Capacitance | Up to 100mF |
| Measurement functions | Continuity and diode testing |
| Data functions | Data hold, relative measurement, MAX/MIN |
| Current capture | Inrush current measurement and peak hold |
| Range selection | Auto / Manual |
| Lighting | Display backlight and flashlight |
| Indicators | Overrange, low battery, and measurement unit indicators |
| Power management | Auto power off and wake-up function |
| Overload protection | Full-range overload protection |
| Safety rating | CAT III 1500V / CAT IV 1000V |
| Battery | 3 × 1.5V AAA |
Choose the Model That Fits Your Application
| Model | Main Focus | Standout Features |
|---|---|---|
| HK888A | AC current and phase sequence testing | 2000A AC, phase sequence, frequency and duty cycle |
| HK888B | Expanded current measurement and VFD testing | Optional 3000A flexible coil, AC+DC current, VFD |
| HK888D | General-purpose electrical testing | 2000A AC/DC, temperature, 10MHz frequency and duty cycle |
| HK888E | Premium construction and measurement versatility | Dual-color molded housing, waterproof design, 66mm jaw, 3000A flexible-coil support and VFD |
3000A measurement requires a compatible external flexible current coil. Waterproof use of the HK888E must follow the conditions specified in its product documentation.












