Features:
- 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
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