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> Sound level meter calibrator 94 114DB class i w/battery
Sound level meter calibrator 94 114DB class i w/battery
Sound Level Meter Calibrator 94 114dB Class I w/Battery
Class I Sound Level Source CalibratorFEATURES:
This ND9 sound level calibrator uses solid integrated circuit for quick and easy calibration of sound level meters and sound measuring systems in laboratory or field. Handy sound source for quick & easy calibration of sound level meters & sound measuring system
* Sound Pressure Level 94dB and 114db
* Accuracy: 0.3dB (20 C, 760mmHg)
* Frequency of 1000+0.1% Hz allows calibration with A, B, C or D weighting networks or linear
* Extremely low influence of static pressure
* Conforms to IEC 942 Class I
* Calibration of 1 and 1/2 microphones
* Temperature Coefficient: 0- 0.01db/ C
* Altitude Effects: approximately 0.1 dB decrease for each 2000 feet increase in altitude from sea level to 12,000 feet elevation, or comparable atmosphere pressure change (approximately every 50mmHg decrease)
* Power Supply (included): 2 9V transistor batteries NEDA 1604, Burgess 2U6 or equivalent, about 100 hours battery life
* Temperature range: -10 to 50 C (14 to 122 F)
* Dimension: 48X48X138mm (1.9X1.9X5.4")
