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Casella Logging Noise Dosimeter Type 2 Less Cable and dB12 Software

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Casella Logging Noise Dosimeter Type 2 Less Cable and dB12 Software


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Casella Logging Noise Dosimeter Type 2 Less Cable and dB12 Software

Casella Logging Noise Dosimeter Type 2 Less Cable and dB12 Software



CEL-360X Logging Noise Dosimeter Type 2 Less Cable and dB12 Software by Casella

The CEL-360 data logging noise dosimeter is the most versatile noise-sampling instrument in the CEL range of personal noise meters. It is the ideal instrument for the professional occupational hygienist who wants to know whether the overall limit was exceeded during a working day. The data logging time history profile function adds the vital information to the run data by storing the changing pattern of noise levels to show exactly when significant events occurred.

Key Benefits

  • Comprehensive data logging function for complete results
  • Easy to start and collect data
  • Large non-volatile memory
  • Up to 50 separate runs saved in non-volatile memory
  • Up to 220,000 data points stored in time history memory
  • Up to 10 key parameters stored for each interval
  • Delayed start and stop times for automatic operation
  • Pre-programmed setups to quickly start up and go
  • Flexibility to customize units


The CEL-360 data logging noise dosimeter is very well suited to OSHA, ACGIH and ISO style workplace noise measurements in noise exposure assessments. It comes preprogrammed with 7 setups that suit almost all the world’s major measurement protocols and has the capacity to be specifically configured by the user for special requirements if needed. The key to the usefulness of the CEL-360 is the comprehensive data logging function that stores up to 10 noise parameters at regular intervals during a run.

In this way the changing noise climate can be studied such that the noisiest times can be quickly seen in the graphical report and solutions targeted in the right area. This makes checking for OSHA compliance very much more useful since the CEL-360 answers the questions ‘when’ and ‘how’ did the noise exposure occur. The data logging measurements can be started immediately or they can be preprogrammed up to 1 month in advance so that runs can begin and end automatically without the need for onsite supervision.

Site boundary surveys can be easily accomplished at low cost using the enormous memory capacity of the CEL-360 to save up to 2 weeks data at 1-minute intervals. Transportation noise studies and construction site noise surveys can be tackled and further noise indices calculated once the profiled results are transferred to the CEL software package dB12, included with all CEL-360 dosimeters. The CEL-360 tackles all types of investigations of steady state or cyclical noise problems in the workplace or outdoors.

Operation and use

For standard measurements to the most popular protocols just turn on the CEL-360, perform an acoustic calibration, select the data logging mode and go. The instrument remembers the last used settings and remains ready to reuse them without needing to set them again. At the end of the run these stored results can be brought back to the display and data can be read from the instruments memory by simply cycling through the different screens. For a quick and simple summary the CEL-360 can be connected to an office printer to get a single page hard copy.

For more extensive manipulation of the logged results every CEL-360 comes with a copy of the latest version of the graphical software package, dB12. This allows the time history profiles to be viewed and a variety of further calculations to be carried out to perform “what if” analyses.

International standards Parameters measured
Acoustic accuracy ANSI S1.25-1992 Type 2
IEC 61252:1993
Displayed parameters Lp, LAeq, LAE, LeqI, Lav, Lmx, Lmn, 5 x LN%, actual noise dose%, 8 hr projected noise dose%, TWA (at both threshold levels), LEPd, duration of run, current date, time, run #, pause, run in progress, battery voltage, security level
Electro-magnetic EN 50081-1:1992,
EN 50081-2:1993,
EN 50082-1:1992,
EN 50082-2:1995
Measurement ranges
(for rms. levels)
High range 70 – 140 dB
Med range 50 – 120 dB
Low range 30 – 100 dB
Peak ranges Top 40 db of each range
Measurements stored
Separate runs Maximum 50 stored Data per profile interval Up to maximum of 10
Max time history size > 220,000 data points Physical characteristics
Factory setups 7 - OSHA, MSHA, DoD, ACGIH, ISO85, ISO90, METER Battery pack 1 9V radio battery
Duracell MN 1604
Battery life 50 hours (approx.)
User setups 13 – programmed from pc Size 4.8 x 2.6 x 1.2 in,
120 x 65 x 30 mm
Delayed start/stops Up to max 16 pairs
Threshold levels (dB) 2 (from 70 to 90 dB) Weight 11 oz,
300 gm
Criterion level (dB) 1 (from 80 to 90 dB)
User selectable day Up to 23:59 for TWA calc. Microphone assembly Rugged Electret ¼ in microphone on 32 in cable with locking plug, field replaceable item
Frequency weightings A, C for rms.
C, Lin for peak
Time weightings Slow, Fast, Impulse, peak
Exchange rates 3, 4, 5, 6 dB doubling Optional stalk mic. Electret ¼ in stalk, 3.1in

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