• Measurement ranges: 32 to 80 dB, 50 to 100 dB, 80 to 130 dB
• Measurement accuracy/resolution: ±1.5 dB/0.1 dB
• Frequency range: 31.5 Hz to 8 kHz (Class 2)
• Response time: 0.5 seconds
• Operating temperature: 32° to 104°F (0° to 40°C) @ <90% RH

The DSM325 sound level meter is compact and easy to use. It can monitor environmental and industrial noise or provide readings for audio recording or sound system setups.

This unit conforms to the IEC651 type2, ANSI S1.4 Type2 for Sound Level Meters.

The Sound Level Meter has been designed to meet the measurement requirements of safety Engineers, Health, Industrial safety offices, and sound quality control in various environments.

Parts and Functions

1: Windscreen

2: Display

3: Power Button

4: MAX / MIN Hold button

5: Frequency Weighting Select Button

6: Time Weighting Select Button

7: Level Range Control Button

8: Microphone

9: AC Output Terminal

10: CAL Potentiometer

11: Battery Cover