1kHz Professional Calibrator for 0.5" or 1.0" Microphones

This 1kHz 94/114dB professional sound calibrator is for 0.5 in. or 1 in. microphones. Calibrates and verifies sound level meter operation. Level position switch to select 94dB or 114dB with power on LED indicator light. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB). Meets IEC standard 60942 1997-11. Comes complete with two 9V batteries, carrying case and screwdriver.

94/114dB Sound Calibrator Features:

• Calibrates and verifies Sound Level Meter operation
• LED indicator lights up when power is on
• Level position to select 94dB or 114dB
• For use on Sound Level Meters with 0.5" or 1.0" microphones
• Durable die-cast, aluminum housing
• 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and and ±0.5dB (94dB)/±1.0dB (114dB)

Specifications                                        Range
Frequency                                              1000 Hz
Sound Pressure Level                          94 dB (407744); 94dB/114dB (407766)
Distortion                                              <2% Total Harmonic Distortion (THD)
Operating Temperature                      32 to 122°F (0 to 50°C)
Power Supply                                       Two Heavy duty, alkaline 9V Battery
Power consumption                           Approx. 10mA DC
Dimensions                                          2.2" diameter x 5.6" long (50 x 127mm)
Weight                                                  0.75 lbs. (340g)

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