Sound calibrator for mobile use / For various evaluation filters / Accuracy IEC 942, class 1 / For microphones with different dimensions�
– Sound pressure level 94 and 114 db
– For weighting filters A, B, C, D
– Ready for immediate use
– Accuracy class 1, IEC 942
– Easy handling
– Adapter for various microphones
– incl. ISO Calibration Certificate
Sound pressure level | 94 dB, 114 dB |
Accuracy class | IEC 942, class 1 |
Sound level accuracy | ± 0.3 dB (20°C / 68°F, 760 mm Hg) |
Frequency | 1000 Hz for A, B, C and D frequency weighting |
Accuracy frequency | ± 0.01% |
Microphone size | 1″, 1/2″ (with included adapter), 1/4″ (with optional adapter) |
Display | digital |
Height dependency | 0.1 dB per 610 m difference in height from zero level |
Temperature coefficient | 0 … 0.01 dB / °C / °F |
Battery status | Graphical display of the battery status |
Power supply | 2 x 1.5V AA batteries |
Operating conditions | -10… 50°C / 14 … 122°F |
20 … 90% r. H., not condensing | |
Storage conditions | -40 … 65°C / -40 … 149°F |
20 … 90% r. H., non-condensing (without battery) | |
Dimensions | 100 mm x 100 mm x 75 mm / 3.9 x 3.9 x 3 in (L x W x H) |
Weight | 250 g / < 1 lb |