Spec:
- Frequency 1kHz +- 0.2%
- SPL 110dB - 94dB switchable
- Accuracy +- 0.5dB at 20 Grad Celsius and 1013 mbar
- ambient temperature range 0 - 45 Grad Celsius
- Temperature drift < 0.02dB per Grad Celsius
- Temperature drift frequency: < 0.05Hz per Grad Celsius
- Storage temperature range -25 - 55 Grad Celsius (without battery)
- humidity 5 bis 95% relative
- Power supply 9V battery or accumulator
- Housing Aluminium, PVC
- Dimensions Dia. 40mm, Length 132mm
- weight (without battery) 164g
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