HE730 Sound Level Meter is a product independently developed by HuaTu, which complies with IEC61672-1 Class 2 standard. It has a wide dynamic range and features such as fast/slow automatic time constant setting.
This manual introduces the HE730 sound level meter, its features, and typical applications such as environmental noise monitoring, industrial sound measurement, and health safety checks. It includes chapters on product overview, performance parameters, LCD indicator meanings, battery information, and detailed usage instructions.
Safety precautions, battery replacement procedures, and troubleshooting guidance are also covered, helping users maintain accurate measurements and ensure reliable operation of the device. This manual is written in Chinese.
| Frequency Range | 31.5 Hz – 8 kHz |
|---|---|
| Measurement Range | 33 dB – 130 dB |
| Resolution | 0.1 dB |
| Update Rate | 0.5 sec |
| Accuracy | ±1.5 dB |
| Battery Type | 9 V (006P, NEDA1604, EC6F22) |
| Dimensions | 187 mm × 73 mm × 53 mm |
| Weight | 290 g |
| LCD Size | 44 mm × 44 mm |
The device uses a 9 V battery, compatible with models such as 006P, NEDA1604, or EC6F22.
Select the FAST mode for 100 ms measurements or the slow mode for 1 second measurements using the function keys.
When the battery is low, the LCD shows a specific low‑battery icon prompting replacement.
The meter measures sound from 31.5 Hz up to 8 kHz.