Sound Level Calibrator

 Features

 Comply with IEC 60942 class 1

 Pocket size, portable unit

 Frequency 1000 Hz, give independence of weighting

 Sound pressure independent of microphone equivalent volume

  USES

  Calibration of sound level meters Calibration of other sound measurement equipment

  equipments

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