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Casella CEL-240/K1, Digital impulse sound level meter kit - CEL-240/K1

Digital impulse sound level meter kit - more info check here: http://www.buymeasuringtools.com/Casella-CEL-240-K1-Digital-impulse-sound-level-meter-kit-10154962/

Quick Brief

Brand Name: CASELLA Model Number: CEL-240/K1

Product Features:

Digital impulse sound level meter kit

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Casella CEL-240/K1, Digital impulse sound level meter kit
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Specifications and Product Details:

Manufacturer's Link: http://www.casellausa.com/store/product.cfm?pID=7C504B4248137B53

Key benefits

Technical Specification
Accuracy:ANSI S1.4 Type 2, IEC 61672-1 2002-5
Microphone type:1/4" Electret mic. in standard 1/2" fixed housing
Reference Conditions:68ºF (20ºC) air temperature, 65% Relative Humidity, 1013 mbar (101.325 kPa) atmospheric pressure
Operating Temperature Range:32 to 104ºF (0 to 40ºC) (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
Total measurement range (dB)30 to 130
Dynamic span on single range (dB)70
Number of measurement ranges - 2 ranges (Low and High dB)(30 - 100 & 60 - 130)
Noise floor (A weighted dB)< 33
Frequency weightingsA and C
Time weightingsSlow, Fast and Impulse
Displayed parameters always available on all user available screensInstantaneous level - Lp, Maximum level - Lmx
Reset of maximum level from key press by userYes - with non-decaying max hold
Display type128 x 128 dot matrix LCD digital including real-time analog bar graph scale
Display resolution - numeric (dB)0.1
Display resolution - graphical (dB)1
Update rate for display (seconds)0.5
Displayed time span for time history chart (minutes)Last 1 or 5
Calibration methodAutomatically recognized by meter
Signal detected when calibrator placed over microphone at 1 kHz frequencyCalibration level set to 114.0 or 94.0 dB
External power option (5 Vdc)Yes with CMC51 cable via USB socket
Analog outputsAC (and optional DC) via 2.5 mm jack socket
AC output characteristics - (Provided for DAT tape / PC wav file recording or headphone applications)Approx 0.85V RMS FSD output on selected sound level measurement range. Minimum load impedance 22kW.
DC output characteristics - (Provided at time of order as option for connection to chart recorder or pc data logging system)0 to 1.3V DC for FSD on selected range. Output corresponds to selected frequency and time weighting. 2kW Output impedance
Digital outputUSB 2.0 format of instantaneous sound level via 'mini A' USB socket (also powers meter)
Digital output characteristics - (value output once per second)Instantaneous SPL output (software required) as per selected frequency and time weightings
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