Honeytek HK688A TRMS Clamp Meter
The Honeytek HK688A is a highly precise and durable True RMS clamp meter designed for professional electricians and technicians. Its robust double-molded construction provides exceptional durability and drop resistance for demanding job sites. With a high 6000-count resolution, it ensures accurate readings for a wide range of electrical measurements, including AC current up to 600A and AC/DC voltage up to 1000V. The HK688A is packed with advanced features like Non-Contact Voltage (NCV) detection, Live Wire recognition, and a Low-Pass Filter (LPF) to eliminate noise from variable frequency drives (VFDs) and inverters. Its high CAT III 1000V / CAT IV 600V safety rating makes it a reliable and safe choice for commercial, industrial, and residential electrical work.
Key Highlights:
True RMS Accuracy: Precisely measures non-linear signals from modern electronics and VFDs.
High Safety Rating: Certified CAT III 1000V / CAT IV 600V for use on primary electrical supplies and industrial environments.
Noise Immunity: Low-Pass Filter (LPF) mode provides stable readings by filtering out high-frequency interference.
Enhanced Safety Features: NCV and Live Wire Recognition allow for safe, non-contact detection of energized circuits.
Robust Design: Double-molded body offers superior protection against impacts and drops.
Applications:
Commercial and industrial electrical maintenance
HVAC system troubleshooting and motor current measurement
Facility management and general electrical diagnostics
Troubleshooting circuits with VFDs and inverters
Full Product Specifications Table: Honeytek HK688A
| Function | Range | Accuracy |
|---|---|---|
| DC Voltage (V) | 600mV, 6V, 60V, 600V, 1000V | ±(0.5%+3d) for 600mV ±(0.5%+2d) for 6/60/600V ±(0.8%+5d) for 1000V |
| AC Voltage (V) | 6V, 60V, 600V, 1000V | ±(0.9%+5d) for 6V/60V ±(0.8%+5d) for 600V ±(0.9%+5d) for 1000V |
| AC Current (A) | 6A, 60A, 600A | ±(2.5%+5d) |
| Resistance (Ω) | 600Ω, 6kΩ, 60kΩ, 600kΩ, 6MΩ, 60MΩ | ±(1.0%+2d) for 600Ω ±(0.8%+2d) for 6k-6MΩ ±(2.5%+5d) for 60MΩ |
| Capacitance (F) | 6nF, 60nF, 600nF, 6µF, 60µF, 600µF, 6mF, 10mF | ±(3.0%+5d) for 6nF-600µF ±(10%+5d) for 6mF-10mF |
| Frequency (Hz) | 10Hz, 100Hz, 1kHz, 10kHz, 100kHz, 1MHz, 10MHz | ±(0.1%+4d) |
| Temperature (°C/°F) | -40°C to 1000°C / -40°F to 1832°F | ±(2.0%-5.0% + 3-5d) |
| Duty Cycle | 0.1% to 99.9% |
| General Feature | Specification |
|---|---|
| Display | 5999 Counts, LCD with Backlight & Analog Bar Graph |
| Safety Rating | CAT III 1000V / CAT IV 600V |
| Special Functions | True RMS, Diode Test, Continuity Buzzer, NCV, Live Wire, Flashlight, LPF Filter, Data Hold, Peak Hold, MAX/MIN, Relative Mode, Auto Power Off |
| Jaw Size | Φ30.4×44.5mm |
| Power Supply | 3 x 1.5V AAA Batteries |
| Product Dimensions | 225 x 75 x 35 mm |
| Product Weight | 250g |











