The CAL601, Sound level calibrator, is used for the calibration of the pressure sensitivity of the microphone and sound level measuring equipment. Meters that measure sound vibration, pressure, levels, or frequencies. The design of CAL601 is based on a feedback arrangement to ensure a high stable sound pressure level. The performance is very stable; it does not required for the revision to the microphone equivalent volume. CAL 601 conforms to the standard of IEC60942 (2003) Class 1. Sound pressure levels: 94 and 114dB (reference of 2 x 10(-5) Pa). Accuracy: 94 +/- 0.3dB and 114 +/- 0.5dB. Frequency: 1000Hz +/- 1 percent. Distortion: less than or equal to 1 percent. Battery:9V 006P or IEC6F22 or NEDA 1604. Stable times: 3s. Operating temperature: -10 to 50 degree C (14 to 122 degree F). Storage temperature: -25 to 0 degree C (-13 to 158 degree F). Humidity: less than 90 percent. Atmospheric pressure: 65KPa to 100KPa. Accessories: 1/2" (12.7mm) adaptor, (1) user's manual, (1) calibration certificate. Measures 53mm diameter by 117mm height. 2 years warranty. CE Approved.
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