Product Description
The Honeytek HK33B is an upgraded compact True RMS digital multimeter designed for users who require additional measurement capabilities such as temperature testing, relative mode, and microcurrent measurement. Compared with the HK33A, the HK33B offers enhanced functionality while maintaining the same portable and ergonomic compact design.
With AC/DC voltage and current testing, resistance measurement, temperature measurement, NCV detection, live wire recognition, battery testing, and CAT III 600V safety protection, the HK33B is suitable for electrical engineers, HVAC technicians, electronics repair professionals, automotive maintenance, and industrial troubleshooting.
The inclusion of temperature measurement makes it especially useful for HVAC systems, industrial equipment inspection, and electronic component testing.
Highlights Features
- True RMS measurement for precise readings
- Compact portable manual range multimeter
- Supports temperature measurement (°C / °F)
- Measures microcurrent and low current accurately
- Relative mode function for comparative testing
- AC/DC voltage and current measurement
- NCV non-contact voltage detection
- Live wire recognition
- MAX/MIN recording function
- LCD backlight and flashlight
- Battery testing support
- Continuity buzzer and diode testing
- CAT III 600V safety protection
- Auto power-off design
Specifications
| Item | Honeytek HK33B |
|---|---|
| Display Count | 1999 Counts |
| DC Voltage | 20mV/200mV/2V/20V/200V/600V |
| AC Voltage | 200mV/2V/20V/200V/600V |
| DC Current | 200uA/2000uA/20mA/200mA/10A |
| AC Current | 200uA/2000uA/20mA/200mA/10A |
| Resistance | 200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ |
| Temperature | -20°C to 1000°C |
| Temperature Unit | °C / °F |
| True RMS | Yes |
| Diode Test | Yes |
| Continuity Buzzer | Yes |
| Transistor hFE | Yes |
| NCV Detection | Yes |
| Live Wire Recognition | Yes |
| LCD Backlight | Yes |
| Flashlight | Yes |
| MAX/MIN | Yes |
| Data Hold | Yes |
| Relative Mode | Yes |
| Battery Test | 1.5V / 3V / 9V |
| Auto Power Off | Yes |
| Safety Rating | CAT III 600V |
| Power Supply | 2×AAA Batteries |
| Product Size | 150×75×36 mm |
| Product Weight | 300g |
Applications
HVAC System Maintenance
Temperature testing capability makes the HK33B suitable for air conditioning and refrigeration diagnostics.
Industrial Equipment Inspection
Can measure voltage, current, and temperature in industrial electrical systems.
Automotive Electrical Repair
Useful for diagnosing sensors, batteries, charging systems, and wiring circuits.
Electronic Circuit Troubleshooting
Supports low current measurement for PCB and electronic component testing.
Home and Commercial Electrical Work
Suitable for electricians performing routine installation and maintenance tasks.
FAQ
1. What is the main upgrade from HK33A to HK33B?
The HK33B adds temperature measurement, relative mode, and microamp current measurement functions.
2. Can the HK33B measure temperature?
Yes. It supports temperature measurement from -20°C to 1000°C and displays both °C and °F.
3. Is the HK33B suitable for HVAC technicians?
Yes. The temperature measurement function makes it ideal for HVAC and refrigeration maintenance.
4. Does the HK33B support low current measurement?
Yes. It supports microamp current ranges for more precise electronic diagnostics.
5. Is the HK33B safe for professional electrical work?
Yes. It features CAT III 600V safety protection and includes NCV detection for safer operation.
Difference Between Honeytek HK33A and HK33B
| Feature | HK33A | HK33B |
|---|---|---|
| Temperature Measurement | No | Yes |
| Relative Mode | No | Yes |
| Microcurrent Measurement | No | Yes |
| DC Voltage Minimum Range | 200mV | 20mV |
| Current Minimum Range | 2mA | 200uA |
| HVAC Application | Basic | Recommended |
| Electronic Precision Testing | Standard | Better |
| User Type | General Electrical Testing | Advanced Electrical & HVAC Testing |
Which One Should You Choose?
- Choose Honeytek HK33A if you need a compact and affordable True RMS multimeter for standard electrical maintenance and general troubleshooting.
- Choose Honeytek HK33B if you require temperature testing, microcurrent measurement, and more advanced diagnostic functions for HVAC, electronics, and industrial applications.













