Precision Acoustic Calibrator

IEC 60942 Class 1 | Model CAL1200

Larson Davis Acoustic Calibrator Model CAL1200 is a battery-operated precision microphone calibrator used for the calibration of sound level meters and other sound measurement equipment with ½” and smaller microphones. CAL1200 offers an output level of either 94 dB or 114 dB at 1 kHz.

The CAL1200 is well-suited for accurate, Class 1 calibration of precision Class 1 instruments and can also be used to calibrate Class 2 instruments.

Highlights

  • Output level: 94 dB or 114 dB
  • Output frequency: 1000 Hz
  • Meets IEC 60942:2017 and ANSI S1.40-2006 Class 2 requirements
  • Includes rechargeable lithium battery
  • Ships with valid ISO 17025 compliant calibration certificate

Applications

Class 1 and 2 Sound level meters
Precision microphones

Standards

Safety IEC 61010-1:2017
Acoustic ANSI S1.40-2006, Class 1 IEC 60942:2017, Class 1
EMC Directive 2014/30/EU
CE Yes
ROHS Directive (EU) 2023/1437
PTB Yes

Measurements

Frequency 1000 Hz ± 1 Hz
Calibration Sound Pressure Level 94.0 dB or 114.0 dB ± 0.2 dB
Minimum Stabilizing Time 10 s after coupling microphone and calibrator
Dimensions (L x W x H) 3.85 x 2.43 x 1.57 in (98 x 62 x 40 mm)
Weight 5.5 oz (156 g)
Charging Connector USB-C

Accessories

CBL242-03 USB charging cable (USB-C to USB-C) with included USB-C to USB-A adaptor
Calibration Valid ISO 17025 compliant calibration certificate
ADP109 ¼” microphone adaptor
ADP031 3⁄8” microphone adaptor
APD075 1⁄8” microphone adaptor
CCS064 Transportation and storage case