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Our environmental tester records and visualizes sound levels in the range from 30 to 130 dB. It offers three manual measuring ranges as well as an automatic measuring range mode. When switched on, the automatic mode with a range of 30 to 130 dB is activated by default, while the manual ranges are 30 to 90 dB, 50 to 110 dB and 70 to 130 dB.
The user can choose between the frequency weightings A or C and the time weightings "Fast" and "Slow" by pressing a button on the environmental tester. The "Fast"mode is used for measuring short sound pulses or peak levels, while the "Slow"mode is suitable for general sound level measurements. The environmental tester is charged via the micro-USB interface and comes in a practical case for transportation.
In addition to the basic functions such as MIN, MAX and HOLD, the environmental tester automatically switches off after approximately 3 minutes of inactivity to extend battery life. The "Auto Power Off" function can also be deactivated.
| Sound level | |
| Measurement range | 30 dB ... 90 dB |
| Resolution | 0.1 dB |
| Accuracy | ±1.5 dB (at reference conditions of 94 dB and 1 kHz) |
| Sound level | |
| Measurement range | 50 dB ... 110 dB |
| Resolution | 0.1 dB |
| Accuracy | ±1.5 dB (at reference conditions of 94 dB and 1 kHz) |
| Sound level | |
| Measuring range | 70 dB ... 130 dB |
| Resolution | 0.1 dB |
| Accuracy | ±1.5 dB (at reference conditions of 94 dB and 1 kHz) |
| General technical data | |
| Measurement functions | MIN, MAX, HOLD |
| Time evaluation | fast (125 ms), slow (1 sec.) |
| Frequency | 31.5 ... 8000 Hz |
| Frequency rating | A, C |
| Display type | LCD |
| Display refresh rate | 500 mS |
| Microphone type | Electret condenser |
| Interface | Micro-USB |
| Standard(s) | IEC 61672-1 (Class II) |
| Automatic switch-off | 3 min |
| Automatic switch-off can be deactivated | yes |
| Menu language | English |
| Protection class (device) | IP52 |
| Power supply | 5V DC |
| Weight | 307 g |
| Dimensions (L x W x H) | 248 x 90 x 35 mm |
| Operating conditions | -10 ... 50 °C , 0 ... 80 % r.H |
| Storage conditions | -20 ... 50 °C , 0 ... 80 % r.H |
| Capacity | 2500 mAh |
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