Acoustic Sound Level Meter Calibrator: 94dB & 114dB (SCAL1356) at 1 kHz

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• Calibrates and verifies sound level meter operation
• For use on sound level meters with 0.25", 0.5" or 1.0" microphones
• Conforms to ANSI S1.40-1984 and IEC60942:2003 Class 2
• Durable ABS housing
• Internal battery condition tested continuously

Specifications:

• Output sound pressure levels: 114dB and 94dB re 20 uPa under reference conditions
• Output frequency: 1000Hz ±2%
• Reference conditions:
  • Temperature: 68° F (20° C)
  • Relative humidity: 65%
  • Atmospheric pressure: 1013 mBar
• Total Harmonic Distortion (THD): <2 % at 94 dB
• Temperature coefficient: ±0.02 dB/° C
• Accuracy: ±0.5dB
• Operating temperature: 14° to 122° F
• Operating humidity: 0 to 90% RH
• Operating altitude: up to 2000 meters
• Power: (1) 9v alkaline battery
• Battery life: approximately 20 hours
• Dimensions: 103 x 63 x 54 mm
• Weight: approximately 200g (with battery installed)
  

Supplied with:

• Operating instructions
• Battery
• (1) 1/2" microphone adapter
• (1) 1/4" microphone adapter
• Padded carrying case