The Voltcraft SL-451 Sound Level Meter and Data Logger has an unbeatable set of features. In addition to standard features, the SL-451 has a data logger and USB port. It is protected by a robust housing and moulded protective rubber case, making this device is suitable for use in tough conditions.
The device has a measurement range from 30dB to 130 dB with auto-range function. The integrated data logger lets you store up to 32 000 measurements, which can be transferred to your PC and processed using the software supplied. You can therefore easily monitor sound levels on a long-term basis.
The detachable microphone and the supplied 3m extension cable enable measurements to be carried out in hard-to-reach places. The software of the SL-451 permits measurements and analyses to DIN 15905-5 to avoid risk of hearing loss due to high noise levels from electro-acoustic equipment.
- A/C evaluation
- F/S time assessment (fast/slow)
- Min./Max.Memory
- Analog output
- Bar graph
- USB interface
- Backlit display
- Can be calibrated
- Battery and mains operation
- Measurement range from 30dB to 130dB A/C
- Accuracy ±1.4dB (1kHz)
- Supplied with Voltcraft SL-451, carrying case, wind protection, USB interface cable, VoltSoft standard edition analysis software, 1 9V battery, mains adaptor, tripod, calibrated screwdriver, 3m microphone extension cable, instructions for use
| Type |
Sound meter and data logger |
| Accuracy |
± 1.4dB |
| Dimensions |
278 x 76 x 50mm |
| Frequency |
31.5 to 8000Hz |
| Measurement Range |
30 to 130dB |
| Power Supply |
9V |
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