HT-840A Mini Sound Level Meter with high contrast LCD display with white backlight, compact feel good, and with a maximum / minimum, data hold function.

This product is suitable for monitoring sleep environment, home appliances, residential quarters, celebrations and other noise.

1.1 / 2 inch polarized condenser microphone

2 white LCD backlight

3 three semi-numerical display with a resolution of 0.1dB

4 range:. 35dB ~ 130dB, Accuracy ± 2.8dB

5 Frequency range:. 31.5Hz ~ 4kHz

6 Frequency weighting:. A

7 Time Weighting:Fast response (125ms)

8 Min / Max,Data Hold