HK78N – 6,000 Counts TRMS Auto Range Digital Multimeter
Product Description
The HK78N is a high-performance 6,000 counts TRMS auto-ranging digital multimeter designed for accurate and reliable electrical measurements. It offers a wide range of functions including DC/AC voltage, DC/AC current, resistance, capacitance, frequency, duty cycle, temperature, and diode/continuity testing. With a compact design and advanced features such as NCV (non-contact voltage detection), live wire recognition, and backlit LCD, it is ideal for professional electricians and technicians.
Key Highlights
6,000 counts TRMS for precise measurements
True RMS capability ensures accurate AC readings
Auto/Manual range selection
Non-contact voltage detection (NCV) & live wire recognition
Backlit LCD display for dark environments
Data hold, MAX/MIN recording, and relative mode
Built-in flashlight for field use
CAT III 1000V / CAT IV 600V safety rating
Specifications (HK78N)
| Function | Range | Accuracy |
|---|---|---|
| DC Voltage | 60mV–1000V | ±(0.5%–1.0% + digits) |
| AC Voltage | 60mV–750V | ±(0.8% + 5d) |
| DC Current | 600µA–10A | ±(1.0% + 5d) |
| AC Current | 600µA–10A | ±(1.8% + 5d) |
| Resistance | up to 60MΩ | ±(0.8%–2.0% + 5d) |
| Capacitance | up to 60mF | ±(4.0% + 25d) |
| Frequency | 10Hz–20MHz | ±(0.1% + 2d) |
| Duty Cycle | 1%–99% | ±(1.2% + 3d) |
| Temperature (°C) | -20°C–1000°C | ±(2.0% + 3d) |
| Temperature (°F) | -4°F–1832°F | ±(2.0% + 3d) |
| Display Count | 5999 | — |
General Features:
Power: 1.5V(AA)×2
Dimensions: 185×88×54 mm
Weight: 355g
Safety: CAT III 1000V / CAT IV 600V
Applications
Electrical maintenance & troubleshooting
Industrial equipment inspection
HVAC system measurement
Electronics testing and repair
On-site fieldwork and training
HK78N vs. HK78BT
| Feature | HK78N | HK78BT |
|---|---|---|
| Display Count | 5999 | 5999 |
| True RMS | ✔ | ✔ |
| Auto/Manual Range | ✔ | ✔ |
| NCV & Live Wire Test | ✔ | ✔ |
| LCD Backlight | ✔ | ✔ |
| Flashlight | ✔ | ✔ |
| Bluetooth | ✘ | ✔ |
| Applications | General field & maintenance use | Smart monitoring, remote diagnostics |






