PLACID CA-02 calibrator features:

• sound calibrator with 2 levels, 94 dB and 104 dB at 1 kHz
• Accurate and very easy to use
• can be used for calibration of 1/2″ and 1/1″ microphones
• low battery indicator
• complies with IEC60942: 2003, Class 2
• complies with ANSI S1.40

PLACID CA-02 calibrator specifications:

• Output Sound Pressure Levels: 114dB and 94dB re 20 uPa under reference Conditions
• Output Frequency: 1000Hz ±2%
• Total Harmonic Distortion: < 4%
• Reference Conditions:
  Temperature 23℃(73℉)
  Static press 103hpa
  Relative humidity 50%
• Accuracy of sound pressure level:
  Understated reference environment conditions ±0.5dB
• Battery test:
  Operate: Green LED indicator
  Low battery: Red LED indicator
• Battery: 9 Volt battery
• Dimensions: 115 x 65 x 45 mm
• Weight: Approximately 170g

PLACID CA-02 datasheet sound calibrator class 2