Standards |
GB/TI5173, IEC942 |
Sound Pressure |
94dB and 114dB |
Accuracy |
0.3 dB |
Frequency |
1000±0.01% Hz allows calibration with A,B,C or D weighting networks or linear. |
Application |
Calibration of 1” and ½” Microphones |
Temperature Coefficent |
0 to 0.01 dB/oC |
Altitude Effects |
Approximately 0.1dB decrease for each 2000 feet increase in altitude from sea level to 12,000 feet elevation, or comparable atmospheric pressure change (approximately every 50mm of Hg decrease) |
Temperature |
-10 to = 50°C (Operating) |
Range |
-40 to 65°C (Storage with batteries removed) |
Power |
AAA 1.5V x 4 (UM – 4) |
Dimension |
137 x 51 x 51mm |
Weight |
200g |