Sound Calibrator Sound Level Calibrator Class 1
with Frequency 1000 Hz
■ 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 |
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" |