WAQAS GROUP

Extech 407744 94dB Sound Calibrator original extech brand price in Pakistan 

1kHz Professional Calibrator for 0.5" or 1.0" Microphones

This 1kHz, 94dB professional sound calibrator for 0.5" or 1.0" microphones calibrates and verifies sound level meter operation. Battery test position with battery status LED indicates if battery is good. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB to an accuracy of 5% (frequency) and ±0.5dB (94dB). Meets IEC standard 60942 1997-11. Complete with two 9V batteries, carrying case, and screwdriver.

• Calibrates and verifies Sound Level Meter operation
• Battery test position with battery status LED indicates if battery is good
• For use on Sound Level Meters with 0.5" or 1.0" microphones
• Durable die-cast, aluminum housing
• 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.5dB

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)