Casella Digital Impulse Sound Level Meter - Type 2

This Casella digital impulse sound level meter has a low and high measurement range that covers a full 70dB on each range

Item #: 174695 Manufacturer: Casella USA Manufacturer Item #: CEL-240

	List Price:		$395.00

Features & Applications:

This Casella digital impulse sound level meter is a completely new design of sound level meter featuring the power of Digital Signal Processing (DSP) technology and the simplicity and low cost of a traditional analog instrument. It can be used for a wide range of noise measurement tasks and is suitable for many everyday tasks. Complying with all the ANSI and IEC accuracy specifications in the Type 2 category the CEL-240 will appeal to new and experienced users alike.

The new CEL-240 features a standard ¼” threaded socket on the back of the meter to allow it to be mounted on a tripod for fixed measurement applications. The meter is powered from 3 x AA alkaline batteries and will run for up to 35 hours on its own or continuously when powered from a mains to USB style adaptor or from a computer. Digital output via a USB mini A socket is available plus analog ac (or dc) voltage output through a 2.5mm jack socket to connect the CEL- 240 to other external computers or recorders or to the optional Windows dB24 software package.

Applications:

The CEL-240 will be an ideal instrument for industrial hygiene measurements of noise in the workplace. The meter has a low and high measurement range that covers a full 70dB on each range. It can be used for machinery noise surveys as well as all general purpose workplace noise level measurements. With the A and C frequency scales and the S, F and I time response the meter can be used to assess the right hearing protectors using the NRR method. A nondecaying maximum hold feature on every display captures and displays the highest sound pressure level of any noise until reset by the user.

Features:

• ANSI Type 2 accuracy
• 30 to 130 dB total dynamic range
• 2 x 70 dB measurement ranges
• A & C frequency weighting
• Slow, Fast and Impulse time weightings
• Measures instantaneous and maximum noise level
• Large digital display on 128 x 128 dot matrix screen
• Last 1 or 5 minute sound level trend
• Bargraph showing instant and max level
• AC output signal to other instruments
• Powered from 3 x AA batteries
• Digital output of instant sound level via USB
• Tripod socket

Specifications:

Accuracy:	ANSI S1.4 Type 2, IEC 61672-1 2002-5
Microphone type:	¼” Electret mic. in standard ½” fixed housing
Reference Conditions:	68°F (20°C) air temperature, 65% Relative Humidity, 1013 mbar (101.325 kPa) atmospheric pressure.
Operating Temperature Range:	32 to 104°F (0 to 40°C) (Class 2)
Effect of Humidity:	Less than ±0.5dB over the range 30 to 90% RH (non-condensing), rel. to value at ref. conditions
Operating pressure range:	650 to 1080 mbar (65 to 108 kPa)
Batteries:	3 x AA Alkaline or rechargeable types
Battery Life: (hours)	At least 35 hours
Dimensions w x h x d: (in/mm)	2.8 x 8.3 x 1.2 in (71.5x 212.0x 31.0mm) including preamplifier and microphone
Weight including batteries: (oz/gm)	8.8 oz (< 250g)
Operator controls:	buttons for power On/Off and 2 x context sensitive menu selection plus initial configuration screen

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