CA111 Sound Calibrator
CA111 is a small sound source for calibration of measurement microphones, sound level meters and other sound measurement equipment.
The calibrator can be used on 1/2-inch and 1/4-inch microphones with adapter. It conforms to IEC 60942:2003 Class 1, ANSI S1.40-1984 and GB/T 15173-1994. and has dual 94 & 114 dB sound pressure level outputs.
| Specification | |
|---|---|
| Standard | IEC 60942:2003 Class 1, ANSI S1.40-1984, GB/T 15173-1994 |
| Sound Pressure Level | 94.0 dB ±0.25 dB and 114.0 dB ±0.25 dB |
| Frequency | 1000Hz ±0.5% |
| Microphone Diameter | According to IEC 61094-4: 1/2” & 1/4” |
| Harmonic Distortion | <2.5% Stabilization Time: <10 s |
| Equivalent Free-field Level | -0.2 dB for 1/2” Microphones |
| Equivalent Random Incidence Level | +0.0 dB for 1/2”, 1/4” |
| Reference Conditions |
Ambient Temperature: 25°C (77°F) / Ambient Pressure: 101.3 kPa /Humidity: 55% RH / Effective Load Volume: 250 mm3 |
| Environmental Conditions |
Temperature: -10°C-50°C (14°F -122°F) / Pressure: 65 kPa to 108 kPa Humidity: 10 to 90%RH (non-condensing) |
| Power Supply |
Batteries: 1.5 V LR6 (AA battery) × 2 Lifetime: Typically 40 hours with alkaline batteries at 25°C (77°F) |
| Dimension | 48*70*70mm |
| Weight | Weight: ≈180g, including batteries |
Download information:
CA111/CA114/CA115
