HK78BT – 6,000 Counts TRMS Auto Range Digital Multimeter with Bluetooth
Product Description
The HK78BT is an upgraded version of the HK78N, equipped with Bluetooth connectivity for real-time data transmission and logging via mobile devices or PC software. It maintains the same 6,000 counts TRMS accuracy and wide measurement range but adds modern wireless capability, making it suitable for smart monitoring and remote diagnostics.
Key Highlights
6,000 counts TRMS with Bluetooth data transfer
Wireless monitoring via mobile/PC app
Same functions as HK78N: AC/DC voltage/current, resistance, capacitance, frequency, duty cycle, temperature, and diode/continuity test
NCV, live wire recognition, and backlit display included
Auto/Manual range selection
Built-in flashlight for dark workplaces
Enhanced safety: CAT III 1000V / CAT IV 600V
Specifications (HK78BT)
| 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
Bluetooth wireless connectivity
Applications
Remote electrical monitoring
Data logging for long-term testing
Industrial troubleshooting with smartphone integration
Field engineers needing real-time reporting
Research and training environments
🔍 Comparison: 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 |
✅ Summary:
HK78N → Reliable, versatile, and affordable multimeter for professional use.
HK78BT → All features of HK78N + Bluetooth, making it ideal for users who need wireless data logging and remote monitoring.












