• Battery : Single 9V transistor Battery. (NEDA 1604)
• Weight : Approx. 250g.
- Temperature Coefficient : 0 ~ 0.01 dB / C
• Battery Life : Approx 100 hours.
• Output Sound Level : 94dB and 114dB under reference.
• Altitude Effects : Approx. 0.1 dB decrease for each 2000 feet increase in altitude from sea level to 12,000 feet elevation, or comparable atmospheric pressure change.(approx. every 50 mm of Hg decrease).
• Standard : Confirms to IEC 942 Class 1.
- Storage Temperature range : -40 ~ +65 C (with batteries removed).
• Frequency of 1000 ± 0.1% Hz allows calibration with A / B / C or D weighting networks or linear. :
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