Introduction
Digital multimeters (DMMs) have become an essential tool for electricians, engineers, and technicians. Whether you are working in electrical maintenance, electronics repair, or industrial troubleshooting, choosing the right multimeter can save time, reduce errors, and improve safety.
Honeytek, a trusted manufacturer of electronic measuring tools, has developed two professional-grade multimeters—the HK78N and HK78BT. Both models feature 6,000 counts, True RMS accuracy, and auto-ranging capability, but each is designed with slightly different users in mind.
In this article, we will compare the HK78N and HK78BT in detail, explain their specifications, highlight key differences, and help you decide which one fits your application.
What Makes a Good TRMS Multimeter?
Before diving into the comparison, it’s important to understand what makes a TRMS (True Root Mean Square) multimeter valuable:
- Accuracy in complex signals: Unlike average-responding meters, TRMS accurately measures non-sinusoidal AC waveforms found in industrial equipment and modern electronics.
- Wide measurement range: From microamps to 10A, millivolts to 1000V, and frequencies up to 20MHz.
- Safety compliance: CAT III 1000V / CAT IV 600V ratings ensure reliable protection in demanding environments.
- Extra features: Functions like NCV (non-contact voltage detection), live wire recognition, and Bluetooth data logging (in advanced models) extend usability.
Honeytek’s HK78 series combines all these capabilities into rugged, professional-grade instruments.
Overview of Honeytek HK78N

Product Description
The HK78N is a compact yet powerful 6,000 counts TRMS digital multimeter designed for professionals who need accuracy and reliability without unnecessary complexity. With its ability to measure voltage, current, resistance, capacitance, frequency, duty cycle, and temperature, it covers nearly every essential electrical parameter.
Key Features of HK78N
- 6,000 counts True RMS display for precise results
- Auto/Manual range selection
- Non-contact voltage detection (NCV)
- Live wire recognition for added safety
- MAX/MIN data recording and data hold function
- Backlit LCD screen and flashlight for dark environments
- CAT III 1000V / CAT IV 600V rated for industrial-grade safety
Applications of HK78N
- Electrical maintenance in residential and commercial installations
- Repair and inspection of HVAC systems
- Troubleshooting electronic circuits and appliances
- Industrial fieldwork where portability is key
- Educational labs for training future engineers
Overview of Honeytek HK78BT

Product Description
The HK78BT offers the same measurement functions and accuracy as the HK78N but includes a game-changing feature: Bluetooth connectivity. This allows users to pair the multimeter with a smartphone or PC application for real-time monitoring, remote diagnostics, and long-term data logging.
Key Features of HK78BT
- 6,000 counts True RMS display
- Bluetooth wireless connectivity for data transfer and logging
- Same measurement capabilities as HK78N (voltage, current, resistance, etc.)
- Non-contact voltage detection (NCV) and live wire recognition
- MAX/MIN, data hold, relative mode, and auto power-off
- Rugged housing with CAT III 1000V / CAT IV 600V rating
Applications of HK78BT
- Smart monitoring for industrial systems
- Long-term data collection and analysis
- Remote troubleshooting by engineers off-site
- Integration with mobile apps for easier reporting
- R&D environments where precise documentation is required
Specification Comparison: HK78N vs. HK78BT
| Feature | HK78N | HK78BT |
|---|---|---|
| Display Count | 5999 | 5999 |
| TRMS Accuracy | ✔ | ✔ |
| Auto/Manual Range | ✔ | ✔ |
| DC Voltage Range | 60mV–1000V (±0.5–1.0%) | 60mV–1000V (±0.5–1.0%) |
| AC Voltage Range | 60mV–750V (±0.8%) | 60mV–750V (±0.8%) |
| DC Current Range | 600µA–10A (±1.0%) | 600µA–10A (±1.0%) |
| AC Current Range | 600µA–10A (±1.8%) | 600µA–10A (±1.8%) |
| Resistance | Up to 60MΩ (±0.8–2.0%) | Up to 60MΩ (±0.8–2.0%) |
| Capacitance | Up to 60mF (±4.0%) | Up to 60mF (±4.0%) |
| Frequency | 10Hz–20MHz (±0.1%) | 10Hz–20MHz (±0.1%) |
| Temperature | -20°C to 1000°C / -4°F to 1832°F | -20°C to 1000°C / -4°F to 1832°F |
| NCV & Live Wire | ✔ | ✔ |
| LCD Backlight | ✔ | ✔ |
| Bluetooth | ✘ | ✔ |
| Safety Rating | CAT III 1000V / CAT IV 600V | CAT III 1000V / CAT IV 600V |
Which One Should You Choose?
- Choose HK78N if you need a reliable, cost-effective multimeter with all the essential features for professional use. It’s a solid choice for electricians, maintenance teams, and general-purpose applications.
- Choose HK78BT if you want advanced wireless monitoring and the convenience of Bluetooth-enabled data logging. It is especially valuable for industrial environments, engineers working remotely, and situations where long-term data recording is required.
Both models share the same rugged design, True RMS accuracy, and CAT safety compliance—ensuring reliable performance and user safety.
Frequently Asked Questions (FAQ)
Q1: What does 6,000 counts mean in a multimeter?
A 6,000-count display means the meter can show values up to 5,999 before changing the range. It provides higher resolution and more precise readings compared to 2,000 or 4,000 counts models.
Q2: Why is True RMS important?
True RMS allows accurate measurement of AC signals that are not pure sine waves. Many modern devices generate distorted waveforms, so TRMS is essential for reliable readings.
Q3: Can the HK78N and HK78BT measure temperature?
Yes. Both models include temperature measurement from -20°C to 1000°C (-4°F to 1832°F) using the supplied thermocouple.
Q4: Is Bluetooth necessary in a multimeter?
Not always. If you only need on-site readings, the HK78N is sufficient. Bluetooth (HK78BT) is valuable if you need remote monitoring, reporting, or long-term data logging.
Q5: Are both models safe for high-voltage applications?
Yes. With a CAT III 1000V / CAT IV 600V rating, both meters are suitable for most industrial and commercial electrical systems.
Conclusion
Honeytek’s HK78N and HK78BT digital multimeters are designed for professionals who demand accuracy, durability, and safety. While the HK78N delivers reliable performance at an affordable cost, the HK78BT provides additional flexibility with Bluetooth connectivity for smart monitoring.
No matter which model you choose, Honeytek ensures that you are equipped with a dependable instrument built to meet the challenges of modern electrical measurement.
Looking for a professional-grade digital multimeter?
👉 Explore Honeytek’s HK78 Series Multimeters today and choose the right tool for your electrical testing needs. Contact our sales team for bulk orders, OEM customization, or distributor opportunities.

