- Storage Temperature range-40 ~ +65 C (with batteries removed).
• Battery LifeApprox 100 hours.
• Frequency of 1000 ± 0.1% Hz allows calibration with A / B / C or D weighting networks or linear.
• Output Sound Level94dB and 114dB under reference.
• WeightApprox. 250g.
- Operating Temperature range-10 ~ +50 C
• Dimension48 x 48 x 138mm
• Accuracy±0.3dB (20°C, 760 mm Hg)
• Altitude EffectsApprox. 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).