Specifications

The CEL240 is a "general purpose" sound level meter and meets the international standards to Type 2 or Class 2. For any noise measurement that requires accurate, repeatable and comparable results, especially when used for hearing protection or other legal purposes, it is essential to use one that meets these standards.

Sound Level Meter Standards

• ANSI S1.4 Type 2
• IEC 60651 Type 2
• IEC 61672 Class 2

Technical Specification

Measurement ranges	30 to 100 and 60 to 130 dB
Noise floor	< 33dB(A)
Time weightings	Fast, Slow, Impulse
Freq. weightings	A and C
Battery power	3 x AA Alkaline for >35 hours operation
External power	5V via USB Mini B socket
Dimensions	72 x 212 x 31mm, 245g
Tripod mount	1/4" whitworth socket
AC output	0.85V RMS @ FSD "A" weighted
Operating conditions	RH: 5 to 90% (non condensing)
	Temperature: 0 to 40°C
	Atmos. pressure 65 to 108kPa

CEL240 Sound Level Meter