DUBAN DB10-4222 Handheld Acoustic calibrator Class 2
Level 2, ASIC, Frequency 1000 + 0.1% Hz output sound level for fast and convenient calibrated sound level meters and sound measurement systems.
Duban
DB10-4222
DB10-4221
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Duban DB10-4222 Acoustic calibratorSpecifications
| LIST | VALUE |
|---|---|
| sound pressure level | 94dB and 114dB (based on 20µPa) |
| grade | Level 2 |
| Frequency of output sound level | 1000 + 0.1% Hz (thus correcting on A, B, C, D or Linear Frequency Weighting) |
| Meet the standard | GB/T15173 and IEC942 |
| Scope of application | φ 12.7mm (1/2 inch) and φ 23.77mm (1 inch) microphones and acoustic measuring instruments calibrated |
| Power Supply | 2*1.5V AAA |
| Operating temperature | -10~+50°C |
| Storage temperature | -40~+65°C |
| temperature coefficient | 0~0.01dB/°C |
| high impact | For every 60 meters above sea level, the sound pressure decreases by 0.1 dB |
| size | 61x52x93mm |
| Net Weight | About 200g |
Duban DB10-4222 Acoustic calibrator Packing list
Host X1, Encasement box X1, Manual X1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.