Sound Level Calibrator

TM 100 - Kusam Electrical Industries Limited (KUSAM-MECO)

• Standard : Confirms to IEC 942 Class 1.
• Output Sound Level : 94dB and 114dB under reference.
• Accuracy : ±0.3dB (20°C, 760 mm Hg)
• Frequency of 1000 ± 0.1% Hz allows calibration with A / B / C or D weighting networks or linear.
• Low Battery Indicator (LED).
- Operating Temperature range : -10 ~ +50 C
- Storage Temperature range : -40 ~ +65 C (with batteries removed).
- Temperature Coefficient : 0 ~ 0.01 dB / C
• Calibration of “1 and ½” ceramic microphones.
• 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).
• Battery : Single 9V transistor Battery. (NEDA 1604)
• Battery Life : Approx 100 hours.
• Dimension : 48 x 48 x 138mm