Acoustic calibrator for class 1 meters – CEL-120/1

The CEL-120-1 (CEL-120/1) Acoustic Calibrator is the smallest of its type in the world; with a rugged, over-moulded design for use in field environments.

The field calibration of Sound Level Meters is an essential procedure when carrying out any type of noise survey both before and after each measurement sequence. This ensures that instruments are providing consistently accurate readings necessary for monitoring to ensure compliance with workplace and environmental noise regulations.

The CEL-120 is therefore designed and manufactured to comply with the requirements of IEC 60942: 2003 and ANSI S1.40: 2006. These standards stipulate accurate calibration over a wide range of temperature, humidity and pressure conditions, typical of field work, ensuring accurate calibration in all conditions.

Specifications

Type: CEL-120/1: Calibrator to EN (IEC) 60942: 2003, ANSI S1.40: 2006 Class 1
Calibration sound pressure level (over environmental range): CEL-120/1: 114.0dB 0.4dB and 94.0dB 0.4dB
Calibration level (at reference conditions): CEL-120/1: 114.0 dB 0.25 dB and 94.0 dB 0.25 dB
Calibration Frequency: 1kHz 1Hz
Harmonic Distortion: Less than 1.0%
Battery: 2 x 1.5V AAA (LR03)
Battery life: A typical operational life of 2 years
Dimensions: 75.5 x 54.0 x 37.0mm (2.9 x 2.1 x 1.4)
Weight: 85g (0.19lb) including batteries