The Honeytek HK705 is a professional-grade handheld insulation tester and TRMS multimeter developed for accurate insulation resistance testing and comprehensive electrical troubleshooting. With a 6000-count display, True RMS measurement, and selectable 250V, 500V, and 1000V test voltages, it is well suited for testing motors, cables, transformers, switchboards, industrial equipment, and building electrical systems.
The HK705 goes beyond standard insulation testing by integrating essential multimeter functions into one portable instrument. In addition to insulation resistance measurement up to 10.0GΩ, it supports AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, temperature, and inductance measurement. Features such as diode test, continuity buzzer, data hold, relative mode, LCD backlight, and auto/manual range selection improve convenience for both workshop and on-site applications.
Designed with CAT III 1000V safety protection, the HK705 is a dependable choice for engineers and technicians who need a versatile instrument for preventive maintenance, electrical inspection, and fault diagnosis in residential, commercial, and industrial environments.
Highlights
Insulation Test up to 10GΩ
Supports high-range insulation resistance measurement for motors, transformers, cables, and electrical equipment.Selectable Insulation Test Voltages
Offers 250V, 500V, and 1000V test voltages for different insulation testing applications.True RMS Measurement
Ensures more accurate readings when measuring non-linear AC signals in real working environments.6000-Count LCD Display
High-resolution 3 5/6 digit display provides clearer and more precise measurement results.Multi-Function Electrical Testing
Combines insulation testing with voltage, current, resistance, capacitance, frequency, duty cycle, temperature, and inductance measurement.Auto / Manual Range Selection
Flexible range control for both quick operation and professional testing preferences.Built-In Diode and Continuity Test
Helps users quickly check circuits, wiring, and component condition.Relative Mode and Data Hold
Useful for comparative testing and easier reading in practical field applications.LCD Backlight
Improves visibility in low-light environments such as electrical rooms, panels, and site maintenance areas.CAT III 1000V Safety Rating
Designed for reliable operation in high-voltage industrial and commercial environments.Portable Handheld Design
Rugged and compact structure for field engineers, maintenance teams, and technical inspection work.
Technical Specifications
Insulation Resistance Test
| Specification | Range | Accuracy |
|---|---|---|
| 250V Test Voltage | 1.0MΩ – 600.0MΩ | ±(5% + 5) |
| 500V Test Voltage | 0.6GΩ – 1.000GΩ | ±(3% + 5) |
| 1.0MΩ – 600.0MΩ | ±(5% + 5) | |
| 1000V Test Voltage | 0.6GΩ – 5.000GΩ | ±(3% + 5) |
| 5.00GΩ – 10.00GΩ | ±(10% + 5) | |
| Test Voltage Accuracy | 250V / 500V / 1000V | ±10% |
| Load Current | 1mA | 0% ~ 10% |
| Short Circuit Current | — | <2mA |
Electrical Measurement Functions
| Function | Range | Accuracy |
|---|---|---|
| DC Voltage | 60mV / 600mV / 6V / 60V / 600V | ±(0.5% + 3d) |
| 1000V | ±(0.8% + 5d) | |
| AC Voltage | 60mV / 600mV / 6V / 60V / 600V | ±(0.8% + 3d) |
| 1000V | ±(1.0% + 3d) | |
| Resistance | 600Ω / 6kΩ / 60kΩ / 600kΩ / 6MΩ | ±(0.8% + 3d) |
| 60Ω | ±(1.0% + 5d) | |
| DC Current | 6mA / 60mA / 600mA | ±(1.0% + 3d) |
| 6A / 20A | ±(1.0% + 5d) | |
| AC Current | 6mA / 60mA / 600mA | ±(1.0% + 5d) |
| 6A / 20A | ±(1.5% + 5d) | |
| Capacitance | 6nF | ±(4.0% + 5d) |
| 60nF – 600μF | ±(4.0% + 5d) | |
| 6mF – 60mF | ±(10% + 5d) | |
| Temperature (°C) | -50°C – 0°C | ±4 |
| 0°C – 300°C | ±(1.0% + 3d) | |
| 300°C – 1300°C | ±(2.0% + 3d) | |
| Temperature (°F) | -58°F – 32°F | ±6 |
| 32°F – 572°F | ±(1.0% + 4d) | |
| 572°F – 1832°F | ±(2.0% + 5d) | |
| Inductance | 6mH / 60mH / 600mH / 6H / 60H | ±(2.5% + 5d) |
| Frequency | 1Hz / 10Hz / 100Hz / 1kHz / 10kHz / 100kHz / 1MHz / 20MHz | ±(0.1% + 4d) |
| Duty Cycle | 1% – 99% | ±(2.0% + 5d) |
Additional Functions
| Item | Specification |
|---|---|
| Display Count | 3 5/6 digit, 6000 counts |
| True RMS | Yes |
| Diode Test | Yes |
| Continuity Buzzer | <30Ω beeper on |
| LCD Backlight | Yes |
| Data Hold | Yes |
| Relative Mode | Yes |
| Low Battery Display | Yes |
| Auto Power Off | Yes |
| Range Selection | Auto / Manual |
| Operating Temperature | 0°C to 40°C (RH ≤85%) |
| Storage Temperature | -10°C to 50°C (RH ≤75%) |
| Insulation Resistance | >500MΩ / 1000V |
| Voltage Withstand | 1000V for 1 minute |
| Safety Rating | CAT III 1000V |
Application
1. Electrical Installation and Inspection
Suitable for insulation testing and electrical measurement in wiring systems, distribution cabinets, switchboards, and power circuits.
2. Industrial Equipment Maintenance
Ideal for checking insulation condition and electrical performance of motors, pumps, compressors, transformers, and factory machinery.
3. Preventive Maintenance Programs
Helps maintenance teams identify insulation degradation and electrical faults before system failure occurs.
4. Building Services and Facility Management
Useful for HVAC systems, power panels, lighting circuits, and other building service equipment.
5. Field Service and On-Site Troubleshooting
Portable design makes it practical for technicians working in remote locations, maintenance sites, and outdoor environments.
6. Electrical Engineering and Technical Service
A versatile tool for engineers and service professionals who need both insulation testing and general multimeter functions in one instrument.
FAQ
1. What is the Honeytek HK705 used for?
The HK705 is used for insulation resistance testing and general electrical measurement. It is suitable for motors, transformers, cables, panels, industrial equipment, and building electrical systems.
2. What insulation test voltages does the HK705 support?
The HK705 supports 250V, 500V, and 1000V insulation test voltages.
3. What is the maximum insulation resistance range of the HK705?
The HK705 can measure insulation resistance up to 10.0GΩ.
4. Does the HK705 have True RMS?
Yes. The HK705 supports True RMS measurement, making it more suitable for real-world AC signal testing.
5. Can the HK705 measure temperature?
Yes. It supports temperature measurement in both °C and °F.
6. Does the HK705 work as a multimeter too?
Yes. In addition to insulation testing, it can measure AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, and inductance.
7. Is the HK705 suitable for industrial applications?
Yes. With CAT III 1000V safety protection and multi-function capability, it is suitable for industrial maintenance and professional electrical testing.
8. Does it include continuity and diode test?
Yes. The HK705 features both continuity buzzer and diode test functions.
9. Is auto range supported?
Yes. The meter supports both auto and manual range selection.
10. Who is the HK705 best suited for?
The HK705 is ideal for electricians, maintenance engineers, industrial technicians, field service teams, and professional inspection users.






