The Ermenrich Seek DS40 digital sound level meter is used to measure the noise level in indoor and outdoor environments. The sound level measurement between 30 and 130 dB enables the monitoring and control of the noise level in residential and workplace, transport and industrial areas.

The sound level meter allows you to record the currently measured values ​​and also remembers the (minimum and maximum) limit values. The measuring range can be adjusted manually or automatically. The noise level is displayed numerically and graphically on the color screen, and a warning is displayed in the event of a low battery level.

The device requires 3 AAA batteries (sold separately). The sound level meter turns off automatically after 10 minutes of inactivity.

Main characteristics:

- Noise level measurement in the range of 30–130 dB
- Freeze the currently measured values, store the maximum and minimum values, set the range
- Color screen with graphic scale
- Compact design, convenient control with buttons
- Works with standard batteries, switches off automatically after 10 minutes

The set includes:

- Digital sound level meter
- Case
- User manual and warranty card

- Type sound level meter
- Built-in functions sound level meter
- Sound level meter (noise)
- Microphone polarized, capacitive
- Units of measure dB
- Measuring range 30-130 dBA, 35-130 dBS
- Accuracy ±1.5 dB (94 dB at 1 kHz); ±5 dB (94 dB at 8 kHz)
- Frequency range, Hz 30 Hz–8 kHz
- Active range, Db 50
- Weighting properties A/C
- Dynamic characteristics 125 ms (fast), 1 s (slow)
- Setting the automatic/manual selection of the measurement range
- General technical characteristics
- Hold function ✓
- Limit value function (Min/Max) ✓
- Screen color
- Display backlight ✓
- Graphic scale ✓
- Low battery indicator light ✓
- Power supply 3 AAA batteries (not included in the set)
- Automatic shutdown ✓
- Safety standards EN61326-1
- Ports USB