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Xtester-CA111 class 11000Hz, 94dB and 114dB acoustic sound calibrator, Type 1, with adaptor for 1",1/2", and 1/4"microphones
Application
l Calibration of measurement microphones, sound level meters, and other sound measurement equipments. l Checking the linearity of equipments. |
Features
l Conforms to IEC60942:2003 Class 1/Class 2, ANSI S1.40-1984, and GB/T 15173-1994. l 1 kHz calibration frequency for all weighting networks. l CA111: Dual 94 & 114 dB sound pressure level outputs. l CA114: 94 dB sound pressure level outputs. l CA115: 114 dB sound pressure level outputs. l Calibration accuracy ± 0.3 dB. l Designed with highly stable level and frequency. l CA111 for two-keypad operation and CA114/115 for one-keypad operation. l Fits 1/2” microphones and 1/4” microphones with adaptor. l Powered by 2×AAA battery and automatic power off to conserve battery life. |
Technical Parameters：
Specification | |
Standard | IEC 60942:2003 Class 2, ANSI S1.40-1984, GB/T 15173-1994 |
Sound Pressure Level | 94.0dB±0.3 dB |
Frequency | 1000Hz ±0.5% |
Microphone Diameter | According to IEC 61094-4: 1/2” & 1/4” |
Harmonic Distortion | <2% 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) |
Diameter | 48*70*70mm |
Weight | Weight: ≈180g, including batteries |
