- Storage Temperature range : -40 ~ +65 C (with batteries removed).
- Temperature Coefficient : 0 ~ 0.01 dB / C
- Operating Temperature range : -10 ~ +50 C
• Frequency of 1000 ± 0.1% Hz allows calibration with A / B / C or D weighting networks or linear. :
• Weight : Approx. 250g.
• Standard : Confirms to IEC 942 Class 1.
• Battery : Single 9V transistor Battery. (NEDA 1604)
• 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).
Features : Wide temperature range, Built rugged for portable field use, Fast heat up and cool down, Temperature sensor burnout protection, Lightweight, Low cost.