Spec Sheet
| Key Features | H4 |
| Microphone channels | 112 MEMS digital microphones |
| Acoustic Image FOV | 66° × 52° |
| Acoustic Sampling Rate | 200kHz |
| Acoustic Refresh Rate | 25Hz |
| Working Distance | 0.3~200m (1~626ft） |
| Frequency Range | 2~100kHz |
| Frequency Range
Selection |
Support preset frequency range for different scenarios for later manual adjustment selection, Support for
frequency range. |
| Detection Mode | LQ Mode: Displays the leakage PD level;
PD Mode: Displays a PRPD diagram, adapted to different AC Default AC Frequency frequencies (50/60Hz). |
| On-device Analysis | The device can directly analyse acoustic images |
| Analysis Software | AnalyzIR professional thermal and acoustic image
analysis software. |
| Leak Evaluation | Automatic identification of leakage points, automatic evaluation of leakage, and annual energy costs. |
| Partial Discharge Diagnostics | Automatic diagnosis of discharge types such as surface, floating, and Acoustic Imaging Display tip (corona) discharges. |
| Display Screen | 5″, 1280*720 pixels, LCD touchscreen display with Gorilla Anti-Explosion screen. |
| LED Flash Lamp | Supports torch illumination and flashlight mode |
| Battery Operation Time | 2 batteries, Continuous work ≥ 4h per battery （depends on the environment and workload） |
| Enclosure Rating | IP54(IEC 60529) |
| Operating temperature | -4~122 ℉ (-20°C to 50°C) |
| Storage temperature | -40~158 ℉ (-40 to 70 ℃) without battery |
| Operating Humidity | <95%RH |
| Weight (including battery) | 2.86lb (1.3 kg) |
| Warranty | 2 years |
| Recommended Calibration Interval | 1 year |
*Some features might be added or slightly altered according to the region and country.
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