Compare Casella Sound Meters and Noise Testing Equipment

/Compare Casella Sound Meters and Noise Testing Equipment
Compare Casella Sound Meters and Noise Testing Equipment 2017-12-16T17:28:59+00:00

Compare Casella Sound Meters

and Noise Testing Equipment

 

Compare Casella CEL-240 Sound Level Meters: The Casella CEL-240 series sound level meters are inexpensive, general purpose instruments that feature digital signal processing. They are suitable for many everyday noise applications such as industrial hygiene measurements of the workplace noise, and they comply with all the ANSI and IEC accuracy specifications in the Type 2 category. The Casella CEL-240 series includes 4 models: the CEL-240 basic meter and the 244 integrating basic meter with 2 additional data logging variants called the CEL-242 and the CEL-246. All versions have 2 measurement ranges and can display the instantaneous and maximum values. Buy a Casella CEL-240 series sound level meter.

Features available:

CEL-240

CEL-242

CEL-244

CEL-246

Accuracy to ANSI S1.4 and IEC 61672 type 2

X

X

X

X

Accuracy to ANSI S1.43 and IEC 61672 type 2

   

X

X

Basic sound level measurements

X

X

X

X

A or C frequency weighting

X

X

X

X

Slow, Fast or Impulse time response

X

X

X

X

Instantaneous sound level value displayed Lp

X

X

X

X

Maximum value displayed Lmx

X

X

X

X

Time history trend graphically displayed on screen

X

X

X

X

Q=3 or 5 dB exchange rate available

   

X

X

Time average level calculated Leq or Lavg

   

X

X

Sound level samples output to external computer

X

X

X

X

Basic data logging to internal memory

 

X

 

X

*** Every CEL-24X meter is supplied with an initial individual calibration and conformance certificate

 

Compare Casella CEL-350 Series Dosimeters: The Casella CEL 350-series dosimeters are cable-free, shoulder-mounted noise dosimeters for industrial hygienists and safety professionals. Being small and lightweight as well as snag-free, these dosimeters are hardly noticeable and safer than traditional noise dosimeters. Further, the built-in microphone is much less likely to be damaged as opposed to cable-mounted microphones, making these dosimeters less likely to be damaged. The Casella CEL-350 series has three models: the CEL-350lite, the CEL-350, and CEL 352 Plus. Buy a Casella CEL-350 series dosimeter.

Features available:

CEL-350 Lite

CEL-350

CEL-352 Plus

Accuracy ANSI/IEC class 2

X

X

X

Measurement range rms. dB

65 – 140

65 – 140

65 – 140

Measurement range peak dB

95 – 143

95 – 143

95 – 143

Frequency weightings for rms

A

A

A & C

Frequency weightings for peak

A, C, & Z

A, C, & Z

A, C, & Z

Time weightings

S, F, & I

S, F, & I

S, F, & I

Amplitude weightings

3 & 5

3 & 5

3 & 5

LC-LA difference level

   

X

Maximum level dB

S, F, & I

S, F, & I

S, F, & I

Time of maximum level hh:mm:ss

X

X

X

Minimum level dB

S, F, & I

S, F, & I

S, F, & I

Time of minimum level hh:mm:ss

X

X

X

Default thresholds 80 and 90 dB

1 dB steps

1 dB steps

1 dB steps

Adjustable threshold level 70 to 90 dB

1 dB steps

1 dB steps

1 dB steps

Time Average level Leq (Q=3)

A

A

A & C

Time Average level Lavg (Q=5)

A

A

A

TWA level

A

A

A

LEP,d level

A

A

A

Peak level

A, C, & Z

A, C, & Z

A, C, & Z

Time of peak level hh:mm:ss

X

X

X

Adjustable criterion level 70 to 90 steps

1 dB steps

1 dB steps

1 dB steps

Actual Dose %

X

X

X

Projected Dose %

X

X

X

Default criterion time 8 hours

X

X

X

Adjustable criterion time 1 hour to 24 hours

X

X

X

Lex,8

X

X

X

Pa2sec

X

X

X

Pa2hours

X

X

X

LAE sound exposure level

X

X

X

1 minute time history sampling

 

X

X

1 minute Leq level

 

X

X

1 minute Lavg level

 

X

X

1 minute C peak level

 

X

X

1 minute Z peak level

 

X

X

Automatic acoustic calibration

X

X

X

Date and time of pre run calibration

X

X

X

Date and time of post run calibration

X

X

X

Calibration drift during run

X

X

X

2 line LCD display

X

X

X

Lockable user interface

X

X

X

Locking foam windscreen

X

X

X

Set of alligator & pin mounting clips

X

X

X

 

Compare Casella CEL-620 Series Sound Level Meters: The Casella CEL-620 series sound level meters are an intermediate line of noise meter that are simple to operate and can be used for applications such as workplace noise surveys, product noise emission evaluations, environmental and nuisance noise complaints. All Casella CEL-620 models can be found in either ANSI Type 1 and Type 2 (IEC Class 1 and 2) accuracy classifications by the inclusion of the appropriate microphone and possess a wide measurement range from 20 to 140 dB. Buy a Casella CEL-620 series sound level meter.

Features available: CEL-620 CEL-621
Class 1 or Class 2 models to ANSI/IEC (compliant with all national and international standards dependant on microphone fitted) X X

Broadband only ‘A’ model no frequency analysis

BB and octave ‘B’ model with 11 octave bands

BB and 1/3 octave ‘C’ model with 33 1/3 oct bands (choose model depending on frequency detail required)

X X
Wide single dynamic range 20 -140 dB (no danger of being on the wrong range) X X
Measures everything simultaneously (no need to select frequency, time response or amplitude exchange rate) X X
Pre-programmed and user selectable data views during measurements (no worries about incorrect settings because the most popular workplace noise requirements for OSHA, DOD, ISO are already set) X X
Fixed microphone/preamplifier (for short term hand held or tripod based measurements) X X
Direct connection to computer via USB interface (computer sees sound level meter as a standard memory stick) X X
Direct import of overall result set into standard office programs such as MS Excel (overall run results are available very easily) X X
Storage of overall run result data (99 sets of up to 95 data values measured during the run and shown in software) X X
Fixed duration run timers (1 sec to 24 hour allow for unattended finish for the run after manual start) X X
Download to Casella Insight software (dedicated Plugin for viewing,reporting and archiving results) X X
5 x Statistical LN% parameters (4 fixed plus 1 user selectable for the whole run time)   X

Notes: CEL-62X meters are available in 3 frequency analysis variants and 2 accuracy variants.

“A” models mean broadband measurements with no frequency analysis capability

“B” models mean broadband plus whole octave band frequency analysis capability

“C” models mean broadband plus whole octave plus third octave band frequency analysis capability

“1” at end of model number e.g. CEL-620.A1 means complies with ANSI/IEC Type 1 Precision grade accuracy classification

“2” at end of model number e.g. CEL-621.A2 means complies with ANSI/IEC Type 2 General purpose grade accuracy classification

 

Compare Casella CEL-630 Series Sound Level Meters: The Casella CEL-630 series sound level meters are Casella’s most advanced noise meters. They similar to the CEL-620 series with some additional beneficial features. Unlike the Casella CEL-620 series, the CEL-630 series possesses the ability to remotely attach a microphone and preamplifier via extension cable. In addition, some CEL-630 models have the ability to perform time history data logging and collect noise samples at regular intervals during a measurement. These features should appeal to those looking to perform advance noise studies in industrial and environmental noise settings. All Casella CEL-630 series sound level meters are available in ANSI/IEC Type 1 and Type 2 microphone accuracy classifications. Like the 620, they possess a measurement range from 20 to 140 dB. Buy a Casella CEL-630 series sound level meter.

Features available in phase 1 release:

CEL-630

CEL-631

CEL-632

CEL-633

Class 1 or Class 2 models to ANSI/IEC (compliant with all national and international standards dependent on microphone fitted)

X

X

X

X

Broadband only ‘A’ model

BB and octave ‘B’ model with 11 octave bands

BB and 1/3 octave ‘C’ model 33 1/3 oct bands

X

X

X

X

Wide single dynamic range 20 -140 dB (no danger of being on the wrong range)

X

X

X

X

Measures everything simultaneously (no need to select frequency, time response or amplitude exchange rate)

X

X

X

X

Removable microphone/preamplifier (to measure outdoors for longer measurements)

X

X

X

X

Direct print to portable thermal printer (record key details of measurement for nuisance complaints)

X

X

X

X

Back erase to remove last 10 seconds data (to remove unwanted noise from result set)

X

X

X

X

4 independent markers to annotate recording (use to identify significant events in software)

X

X

X

X

Real time ASCII output via USB interface

X

X

X

X

Storage of overall run result data (999 sets split into individual 24 hour days )

X

X

X

X

Fixed duration run timers (1 s to 24 hour)

X

X

X

X

Download of complete run data to Casella Insight software (dedicated CEL-63X plugin)

X

X

X

X

5 x Statistical LN% parameters (4 fixed plus 1 user selectable)

 

X

 

X

Automatic start/stop delay timers with repeat (6 sets with day, hour minute resolution)

   

X

X

Interval logging in regular periods (all parameters as for overall run)

   

X

X

Interval logging in time history profiles (up to 6 parameters as fast as 1 second storage)

   

X

X

Features available in phase 2 release:

CEL-630

CEL-631

CEL-632

CEL-633

Voice annotation at start of run to add audio notes (30 seconds record time)

X

X

X

X

Manual sound recording using marker function (wav file format)

X

X

X

X

High range measurement option (up to 165 dB with ¼ inch microphone and adaptor)

X

X

X

X

Triggered events for noise levels that exceed user selectable levels (identify noise sources)

   

X

X

Automatic sound recording of noise during triggered events (lo, med and hi resolution wav file format)

   

X

X

Compare Casella Sound Level Meters and Dosimeters

Noise is not only a nuisance but it can be harmful as well. Many people become confused on whether they should use sound level meters or dosimeters. Well, let’s compare Casella sound level meter’s applications to the dosimeter’s applications. A sound level meter measures noise in terms of decibels and is a good method of measuring an area’s noise emissions. This might include but is not limited to traffic noise, industrial noise, and environmental noise. In essence, a sound level meter is best used for noise emission spot-checks, identifying and evaluating sources of noise, evaluating the effectiveness of noise controls, and evaluating hearing protection. They can also be used to measure noise in place of a dosimeter where a dosimeter is unavailable or dangerous to an individual while performing a job. However, most doses will need to be calculated by the surveyor using the time-weight average and knowledge of regulatory standards. In other words, a sound level meter will not calculate a dose for a surveyor, he or she must do the math.

On the other hand, while the dosimeter measures decibels it also calculates the dose of an individual.  The dose or permissible exposure limit will be based on regulatory standards chosen by the surveyor.  Another important difference is that dosimeters are worn within an individual’s hearing zone, usually a two foot radius of a person’s ears. This makes measurements much more personal and results are specific to an individual as opposed to an area. For these reasons, dosimeters are almost always used for workplace noise studies and results vary depending on each person’s work situation even within the same room or workplace.