Jiaxing Hengsheng HS5633A Sound Level Meter

The HS5633A sound level meter is a portable pocket sized noise measuring instrument with a built-in microcontroller. Its performance meets the requirements of GB/T3785 and IEC61672 standards for level 2 sound level meters. It has the advantages of small size, light weight, easy portability, digital display, night backlight display, maximum value retention, battery power supply, AC/DC signal output, etc. It is an ideal monitoring instrument for measuring traffic noise, industrial noise, and other types of noise.

• Technical Specifications

1. Microphone: 1/2 inch (Ø 12.7mm) Electret Test Microphone;

Sensitivity: 30mV/Pa

Frequency range: 20Hz to 12500Hz

2. Measurement range: 35dB~120dB

35dB~90dB (L low range)

70dB~120dB (H high range)

3. Frequency range: 20Hz to 12500Hz

4. Frequency weighting: A, C

5. Time weighting: F (fast)

6. Detector: LMS effective value, peak factor ≥ 3

7. Indicator: 2 × 8 character LCD, resolution 0.1dB, reading updated once per second.

8. Accuracy level: meets the requirements of GB3785 and IEC61672 standards for Type 2 machines.

9. Reference sound pressure level: 94dB

10. Reference incident direction: Axial direction of microphone

11. Maximum value maintenance: attenuation rate not exceeding 1dB/min

12. Power supply: Two No. 5 batteries. Can work continuously for more than 24 hours.

13. Dimensions: (l × b × h): 170 × 52 × 24mm

14. Weight: 0.15kg

15. Working environment: Operating temperature: -10 ℃~50 ℃

Relative humidity: 20% to 90%