Casella CEL CEL-360 User Manual
Introduction
The instruments in the CEL-320/360 Series consist of the instrument unit shown,
plus CEL-6681 Dosimeter Microphone and Cable, or CEL-425 Microphone Adaptor.
Display
Battery Condition
Under range has
Occurred
Overload has
Occurred
Measurement
Identity or Date
Current Mode,
Pressing the MENU
key will select each
of these in turn
Preparation
Connect a 9 V battery (6LF22) to the terminals in the battery compartment in the
rear of the instrument. DO NOT disconnect the battery once runs have been stored;
they will be lost.
With the instrument switched OFF, insert the cable connector of the Dosimeter
Microphone or the Microphone Adaptor into the socket in the top end of the case with
the red dot facing the front of the dosimeter.
REC
CA
SLM DATA SET UP OPTION
Data is Being Recorded
Measurement is Paused
Frequency Weighting
dB%
01043
Indicates Active
Option Keys
Current Units
Current Data
or Time
Introduction
The instruments in the CEL-320/360 Series consist of the instrument unit shown,
plus CEL-6681 Dosimeter Microphone and Cable, or CEL-425 Microphone Adaptor.
Display
Battery Condition
Under range has
Occurred
Overload has
Occurred
Measurement
Identity or Date
Current Mode,
Pressing the MENU
key will select each
of these in turn
Preparation
Connect a 9 V battery (6LF22) to the terminals in the battery compartment in the
rear of the instrument. DO NOT disconnect the battery once runs have been stored;
they will be lost.
With the instrument switched OFF, insert the cable connector of the Dosimeter
Microphone or the Microphone Adaptor into the socket in the top end of the case with
the red dot facing the front of the dosimeter.
REC
CA
SLM DATA SET UP OPTION
Data is Being Recorded
Measurement is Paused
Frequency Weighting
dB%
01043
Indicates Active
Option Keys
Current Units
Current Data
or Time
Operation of the instrument is achieved by a simple sequence of key strokes.
Field Accuracy Check
Use a CEL-282 (Class 2) or CEL-284/2 (Class 1) Calibrator to perform a field
accuracy check (acoustic calibration) each time the instrument is switched ON and
again at the end of measurement.
Fit the CEL-4725 Coupler (supplied with the calibrator) into the calibrator cavity,
making sure it is firmly in contact with the shoulder in the cavity.
Fit the microphone into the coupler cavity, again making sure it makes contact
with the shoulder in the in the cavity.
Switch the calibrator ON and proceed as follows.
Operation Press Display Shows Comments
1. Switch
instrument
ON
2. Change
Mode
3. Enable
Level
Change
4. Change
Indicated
Level
5. Set (Accept)
Calibration
Level
DATA
MENU
re-
peatedly
Indicated level rises (falls) 0.05 dB for each key press.
Adjust to correct level for CEL-320/360 microphones at standard
temperature and pressure =
(or )
Start Up messages showing
Instrument Type,
Serial number (if set),
Print (only when the print cable is
connected in place of a microphone),
Firmware Version,
finishing with last used
Operating Mode.
Select Option to allow Acoustic
Calibration.
The display shows the current SPL.
OPTION
and are now enabled.
The display shows the current SPL.
OPTION
113.6 dB
.
The 113.6 dB calibration level is now
set, and will be stored by the
microphone assembly.
OPTION
Select Dose Measurement Set Up
1. Change
Operating
Mode
2. Select
another
Setup
MENU
sufficient
times
several
times
A
SET UP
A
SET UP
The first display always shows the
currently loaded set up: for example
OSHA dose measurement.
Select a set up from:
OSHA procedures Q = 5, Crit 90 dB,
A-wtd levels >80 dB and >90 dB,
MSHA procedures Q = 5, Crit 90 dB,
A-wtd levels >80 dB and >90 dB,
DOD procedures Q = 4,
Operation of the instrument is achieved by a simple sequence of key strokes.
Field Accuracy Check
Use a CEL-282 (Class 2) or CEL-284/2 (Class 1) Calibrator to perform a field
accuracy check (acoustic calibration) each time the instrument is switched ON and
again at the end of measurement.
Fit the CEL-4725 Coupler (supplied with the calibrator) into the calibrator cavity,
making sure it is firmly in contact with the shoulder in the cavity.
Fit the microphone into the coupler cavity, again making sure it makes contact
with the shoulder in the in the cavity.
Switch the calibrator ON and proceed as follows.
Operation Press Display Shows Comments
1. Switch
instrument
ON
2. Change
Mode
3. Enable
Level
Change
4. Change
Indicated
Level
5. Set (Accept)
Calibration
Level
DATA
MENU
re-
peatedly
Indicated level rises (falls) 0.05 dB for each key press.
Adjust to correct level for CEL-420/460 microphones at standard
temperature and pressure =
(or )
Start Up messages showing
Instrument Type,
Serial number (if set),
Print (only when the print cable is
connected in place of a microphone),
Firmware Version,
finishing with last used
Operating Mode.
Select Option to allow Acoustic
Calibration.
The display shows the current SPL.
OPTION
and are now enabled.
The display shows the current SPL.
OPTION
113.6 dB
.
The 113.6 dB calibration level is now
set, and will be stored by the
microphone assembly.
OPTION
Select Dose Measurement Set Up
1. Change
Operating
Mode
2. Select
another
Setup
MENU
sufficient
times
several
times
A
SET UP
A
SET UP
The first display always shows the
currently loaded set up: for example
OSHA dose measurement.
Select a set up from:
OSHA procedures Q = 5, Crit 90 dB,
A-wtd levels >80 dB and >90 dB,
MSHA procedures Q = 5, Crit 90 dB,
A-wtd levels >80 dB and >90 dB,
DOD procedures Q = 4,
3. Load
Selected
Setup for
use
For further information on set
ups, consult the User Manual.
A
SET UP
Crit 85 dB, A-wtd levels >80 dB,
ACGIH procedures Q = 3,
Crit 85 dB, A-wtd levels >80 dB,
ISO85 procedures Q = 3,
Crit 85 dB, A-wtd levels >70 dB,
ISO90 procedures Q = 3,
Crit 90 dB, A-wtd levels >70 dB,
special procedure for logging noise
data as SLM.
A Loaded message shows that the
selected Setup is now active: for
example ISO procedure with 90 dB
Criterion.
Measure and Store Dose Data
1. Change
Operating
Mode
2. Start Run
(Store Data)
3. Then The REC icon indicates that the
4. Inspect
data from
the
Current Run
5. Inspect
further data
from the
Current Run
6. If Required
MENU
Sufficient
times
DATA
Data from Current Run.
sufficient
Displays will be updated
times
while the run is in progress.
Pause the run (IIicon).
DATA
DATA
REC
DATA
REC
DATA
Dose Measurement.
Dose data will be saved in the next
available data store.
When the run timer of a CEL-360 is
ON with beginning and End Times set,
the instrument waits counting back
the time remaining until the run starts.
When the run timer of a CEL-360 is
ON with Sync on, the instrument
waits until the clock is synchronised
with any selected profile time before
the run starts.
With a CEL-320 or when the run timer
of a CEL-360 is OFF, the instrument
waits for the next whole clock second,
then starts the run.
instrument is now storing data in the
first available store.
The display shows where data from
the current run is being saved (store
4), and on a CEL-360 indicates the
number of completed profile periods
(3).
The display cycles through data from
the current run.
Some of the display screens offer
and options that show
further parameters.
Press again to resume the run.
3. Load
Selected
Setup for
use
For further information on set
ups, consult the User Manual.
A
SET UP
Crit 85 dB, A-wtd levels >80 dB,
NIOSH procedures Q = 3,
Crit 85 dB, A-wtd levels >80 dB,
ISO85 procedures Q = 3,
Crit 85 dB, A-wtd levels >70 dB,
ISO90 procedures Q = 3,
Crit 90 dB, A-wtd levels >70 dB,
Meter special procedure for logging
noise data as SLM.
A Loaded message shows that the
selected Setup is now active - for
example ISO procedure with 90 dB
Criterion.
Measure Dose
1. Change
Operating
Mode
2. Start Run
(Store Data)
3. Then The REC icon indicates that the
4. Inspect
data from
the
Current Run
5. Inspect
further data
from the
Current Run
6. If Required
MENU
Sufficient
times
DATA
Data from Current Run.
sufficient
Displays will be updated
times
while the run is in progress.
Pause the run (IIicon).
DATA
DATA
REC
DATA
REC
DATA
Dose Measurement.
Dose data will be saved in the next
available data store.
When the run timer of a CEL-360 is
ON with beginning and End Times set,
the instrument waits counting back
the time remaining until the run starts.
When the run timer of a CEL-360 is
ON with Sync on, the instrument
waits until the clock is synchronised
with any selected profile interval
before the run starts.
With a CEL-320 or when the run timer
of a CEL-360 is OFF, the instrument
waits for the next whole clock second,
then starts the run.
instrument is now storing data in the
first available store.
The display shows where data from
the current run is being saved (store
4), and on a CEL-360 indicates the
number of completed profile periods
(3).
The display cycles through data from
the current run.
Some of the display screens offer
and options that show
further parameters.
Press again to resume the run.
Cut lines
4 folds as shown
FIELD GUIDE TO CEL-440/480
Sound Level Meters
Type2, 1/4"
&
Microphone
Preamplifier
Pullthe
knurled
sleeve
outwardsto
releasethe
connector
ON/OFF
MENU
Navigator
keys
Start/
DATA
Pause/
Restart
Access
data
Protective
grill(
remove
Type1, 1/2"
Microphone
Preamplifier
Reddot
Change
menu
Enables
Quickedit
Backlight
Stop
(needs
toconfirm)
donot
)
01009
7. If Required
PLUS
Lock keys and display to
prevent unauthorised
tampering.
The keys and display cannot be locked
while the instrument is paused.
7. If Required
PLUS
Lock keys and display to
prevent unauthorised
tampering.
The keys and display cannot be locked
while the instrument is paused.
8. If Required
9. Stop Run Stop ?
10. Confirm
Stop
11. Switch OFF Blank Screen No operations possible.
Recall Stored Dose Data
When a hard copy of stored dose data is required, BEFORE SWITCHING ON,
connect a Centronics printer via both C6671 PC Cable (supplied with the dosimeter)
and CEL-6672 Printer Cable.
1. While not
logging data
2. Review
Stored
Runs
3. Review
Stored
Data
4. Review
Stored
Data
5. Print Hard
Copy
Unlock keys and display to
restore normal operation.
PLUS
This command must be confirmed.
DATA
The run is now ended.
DO NOT disconnect the battery once
DATA
DATA
DATA
several
times
repeat
DATA
DATA
DATA
The display shows print messages while a data set from the selected
run is printed in standardised format for the measurement protocol
used.
runs have been stored; they will be
lost.
Enable Data Recall and see the Start
Date & Time for the most recently
stored run.
Select Start Date & Time for required
run.
If a printer is connected and switched
ON, continuing to press will
eventually offer a PRINT ALL option
that is enabled by pressing .
Shows where data for the selected
run is stored (Store 3) and on a
CEL-360, indicates the number of
completed profile periods.
If a printer is connected and switched
ON, the next display shows PRINT
READY, if switched OFF, the display
shows PRINT OFF, otherwise the
Duration is displayed as in Step 6.
8. If Required
9. Stop Run Stop ?
10 Confirm
Stop
11. Switch OFF Blank Screen No operations possible.
Unlock keys and display to
restore normal operation.
PLUS
DATA
DATA
This command must be confirmed.
The run is now ended.
DO NOT disconnect the battery once
runs have been stored; they will be
lost.
Recall Stored Dose Data
When a hard copy of stored dose data is required, BEFORE SWITCHING ON,
connect a Centronics printer via both C6671 PC Cable (supplied with the dosimeter)
and CEL-6672 Printer Cable.
1. While not
logging data
2. Review
Stored
Runs
3. Review
Stored
Data
4. Review
Stored
Data
5. Print Hard
Copy
DATA
DATA
several
times
repeat
DATA
DATA
DATA
The display shows print messages while a data set from the selected
run is printed in standardised format for the measurement protocol
used.
Enable Data Recall and see the Start
Date & Time for the most recently
stored run.
Select Start Date & Time for required
run.
If a printer is connected and switched
ON, continuing to press will
eventually offer a PRINT ALL option
that is enabled by pressing .
Shows where data for the selected
run is stored (Store 3) and on a
CEL-360, indicates the number of
completed profile periods.
If a printer is connected and switched
ON, the next display shows PRINT
READY, if switched OFF, the display
shows PRINT OFF, otherwise the
Duration is displayed as in Step 6.
6. Review
Stored data
A
DATA
Operation as a Sound Level Meter
Using the red dot to aid pin location, connect a CEL-425 SLM Microphone
Adaptor, perform an acoustic calibration as described above, then proceed as follows.
1. Start from
final Start
Up display
DATA
2. If Required
Change
Mode
3. Review
SLM
Measure-
ments
4. Change
Settings
5. Switch OFF Blank Screen No operations possible.
MENU
sufficient
times
several
times
SLM
SLM
When and are shown on the display, the relevant navigator
keys may be used to change the current settings.
A
Display steps through all details and
parameters recorded for the run,
starting with duration and completes a
cycle back to Date & Time display for
the run.
Some displays offer and
options that show further parameters.
The last used measurement mode will
be selected.
SLM measurement is now active with
dB
the current A-weighted Fast level (L
displayed.
SLM mode can be selected ONLY
while a microphone is fitted.
The display steps to Linear Peak (L
dB
and then through all details and
parameters to Duration, before
completing the cycle back to the first
SLM display.
6. Review
Stored data
A
DATA
Operation as a Sound Level Meter
Using the red dot to aid pin location, connect a CEL-425 SLM Microphone
Adaptor, perform an acoustic calibration as described above, then proceed as follows.
1. Start from
final Start
Up display
DATA
2. If Required
)
AF
)
Lpk
Change
Mode
3. Review
SLM
Measure-
ments
4. Change
Settings
5. Switch OFF Blank Screen No operations possible.
MENU
sufficient
times
several
times
SLM
SLM
When and are shown on the display, the relevant navigator
keys may be used to change the current settings.
A
Think environment Think Casella Think environment Think Casella
Display steps through all details and
parameters recorded for the run,
starting with duration and completes a
cycle back to Date & Time display for
the run.
Some displays offer and
options that show further parameters.
The last used measurement mode will
be selected.
SLM measurement is now active with
dB
the current A-weighted Fast level (L
displayed.
SLM mode can be selected ONLY
while a microphone is fitted.
The display steps to Linear Peak (L
dB
and then through all details and
parameters to Duration, before
completing the cycle back to the first
SLM display.
)
AF
)
Lpk
CEL instrumentation and software is designed, manufactured and serviced by:
Regent House, Wolseley Road, Kempston, Bedford, MK42 7JY, U.K
Phone: +44 (0) 1234 844 100 Fax: +44 (0) 1234 841 490 e-mail: info@casella.co.uk
Tech Park, 17 Old Nashua Road, Box 15, Amherst, NH 03031, U.S.A.
Office Phone: +1 603 672 0031 Toll Free: +1 800 366 2966 Fax: +1 603 672 8053
MENU
DATA
01044
measurement record
Starts/Pauses/
Restarts a
other keys
Confirms action of
Stops a measurement
but must be followed
immediately by
Casella CEL Limited,
Web: www.casella.co.uk
Casella CEL Inc,
e-mail: us-sales@casella-cel.com.
DATA
Navigator keys select
Accesses stored data
active options from
current menu
Changes menu
(operating mode)
Switches the
instrument ON/OFF
Red dot
CEL-425 Microphone
Adaptor
CEL-320/360 Dosimeters
060335 i1/Sept 01
Noise Dosimeters / SLMs
CEL-6681 Dosimeter
Microphone & Cable
FIELD GUIDE to CEL-320/360
CEL instrumentation and software is designed, manufactured and serviced by:
Regent House, Wolseley Road, Kempston, Bedford, MK42 7JY, U.K
Phone: +44 (0) 1234 844 100 Fax: +44 (0) 1234 841 490 e-mail: info@casella.co.uk
Tech Park, 17 Old Nashua Road, Box 15, Amherst, NH 03031, U.S.A.
Office Phone: +1 603 672 0031 Toll Free: +1 800 366 2966 Fax: +1 603 672 8053
MENU
DATA
01044
measurement record
Starts/Pauses/
Restarts a
other keys
Confirms action of
Stops a measurement
but must be followed
immediately by
Casella CEL Limited,
Web: www.casella.co.uk
Casella CEL Inc,
e-mail: us-sales@casella-cel.com.
DATA
Navigator keys select
Accesses stored data
active options from
current menu
Switches the
Changes menu
instrument ON/OFF
(operating mode)
Red dot
Adaptor
CEL-425 Microphone
CEL-320/360 Dosimeters
060335 i1/Sept 01
Noise Dosimeters / SLMs
CEL-6681 Dosimeter
Microphone & Cable
FIELD GUIDE to CEL-320/360
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