LUTRON SC-934 Multi Frequency Sound Level Calibrator

SPECIFICATIONS:
◆ Frequency: 125, 250, 500Hz or 1 KHz (Red LED indicator) ±2%
◆ Sound Pressure Level for SPL: 94/104/114 dB (Red LED indicator) ±0.5 dB
*Spec. tested under the environment RF Field Strength less than 3 V/M & frequency less than the 30 MHz only
◆ Suitable Microphone Type: 1" mic. & 0.5" mic
* 0.5" microphone is calibrated with 0.5" mic. adapter (included)
◆ Distortion: 94 dB range harmonic distortion : ± 2 %
◆ Operating Temperature: 0° to 50° C
◆ Operating Humidity: less than 80% RH non-condensing
◆ Operating Atmospheric Pressure: 65kPa ~ 108kPa

EACH UNIT INCLUDES WITH:
◆ Lutron SC-934
◆ Instruction manual
◆ 0.5" mic. adapter
◆ Soft carrying case