Extech Sound Calibrator Extech +/-5% Freq Acc (407766)

Frequency Source: 1,000 Hz

Calibration Certificate: Not Included

Compatible with Manufacturer Model Number: SDL600-NIST, 407760, SDL600, SL130W-NIST, 407732-NIST, SL130W, 407790A, 407750, SL250W, 407731-KIT, 407780A-NIST, SL150, 407730-NIST, 407732-KIT-NIST, 407780A, SL400, SL400-NIST, 407730, 407732, 407732-NISTL, 407750-NIST

Manufacturer Part Number: 407766

Output Sound Accuracy: +/-0.5dB

Output Sound Pressure: 114 dB, 94 dB

Distortion: Less Than 2%

Frequency Accuracy: +/-5%