Sound Level Calibrator

Normal sound pressure level: 94 dB, 114 dB

Normal frequency: 1000 Hz

Sound level accuration: ±0.2 dB(+23 ℃)

Frequency accuration: ±1 % ±0.3 dB(-10 ℃+50 ℃)

Distortion(THD): < 1 %

Power Supply

Power : Battery 1×6F22(9V)

Nominal Operating Current: 10 mA

Battery Check

As long as the signal continuse for one minute after the contact is releave, otherwise battery low

Environmental

Operating Temperature: -10°C ~ +50°C

Humidity: 25% ~ 90%(RH)

Atmospheric Pressure: 65 kPa ~ 108 kPa

Physical

Dimensions: φ52 ×116 (mm)

Weight: <450 g (include battery)

Microphone Type: 1" and 1/2" (with supplied adaptor)

Accessories:

Included: Battery 6F22 × 1 Instruction Manual x 1

Adaptor for 1/2" microphone × 1 Leather case × 1