■ Comply with IEC 60942 class 1
■ Pocket size, portable unit
■ Frequency 1000 Hz, give independence of weighting
■ Sound pressure independent of microphone equivalent volume
■ Calibration of sound level meters
■ Calibration of other sound measurement equipment
Model | AWA6221A Sound Calibrator Class 1 |
Name | Sound Level Calibrator |
Fulfils Standard | IEC 60942 Class 1 |
Normal Sound Pressure Level | 94 dB, 114 dB |
Sound level Accuracy | ±0.2 dB(+23 ℃) ±0.3 dB(-10 ℃~+50 ℃) |
Operation Frequency | 1000 Hz ± 1 % |
Distortion(THD) | < 1 % |
Power Supply | 1×6F22(9V),15 mA |
Battery Check | yes |
Operating Temperature | -10°C ~ +50°C |
Humidity | 25% ~ 90%(RH) |
Atmospheric Pressure | 65 kPa ~ 108 kPa |
Dimensions | Φ52 ×116 (mm) |
Weight (include battery) | 450 g |
Microphone Type | 1", 1/2" |