Triplett SL600-KIT User manual

User Manual
SL600-KIT
Datalogging Sound Level Meter and Calibrator Kit
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Introduction
Congratulations on your purchase of the Triplett SL600 Digital Sound Level
Meter.This meter measures and displays sound pressure levels in dB
(decibels) from 30 to 130dB in three measurement ranges. In addition to the
LCD numerical displays, a bargraph is included for quick and easy viewing of
sound level changes. Features include selectab
AC/DC analog outputs. PC cable and software enable the user to download
and analyze measured data. This meter is shipped fully tested and calibrated
and, with proper use, will provide years of reliable service.
Unique flat surface, modern housing design
Automatic Data Hold
Emissivity Digitally adjustable from 0.10 to 1.0
Adjustable High and Low Alarms
Safety
Read the following safety information carefully before attempting to operate
or service the meter. Use the meter only as specified in this manual;
otherwise, the protection provided by the meter may be impaired.
Environmental Conditions
Altitude up to 2000 meters
Relative Humidity: 90% max
Operating Temperature: 32 to 104°F (0 to 40°C
Maintenance and Cleaning
Servicing not covered in this manual should be performed by
qualified personnel.
Periodically wipe the case with a dry cloth. Do not use abrasives or
solvents.
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Meter Description
1. Windscreen
2. LCD Display
3. Setup-button:
4. Record button
5. A/C weighting
6. Max/Min display
7. Range button
8. Microphone
9. Backlight
10. Fast/Slow response
11. HOLD
12. ON/OFF
NOTE: Battery Compartment and Tripod Mount are at the rear
SIDE PANEL
13. External 9VDC power adaptor
14. USB pc port
15. DC/AC analog output
16. CAL potentiometer
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DISPLAY
Symbol Function
MAX Maximum hold
MIN Minimum hold
OVER Over range
UNDER Under range
FAST Fast response
SLOW Slow response
dBA A-Weighting
dBC C-Weighting
REC Recording data
AUTO Auto range selection
FULL Memory full
HOLD Data hold
Auto Power Off enabled
Low battery indicate
Initial Setup
Battery Installation/AC Adaptor
The meter can be powered by one 9V battery or by an AC power adaptor.
Before inserting or replacing the battery and before connecting the AC
adaptor, be sure to turn off the meter.
Time and Date Setup
The SETUP mode is used to set the time, date and default measurement
range. Once set, the meter will retain the settings in non-volatile memory.
Resetting should not be required.
NOTE: Press the HOLD button at any time during this procedure to save
the set data and to return to normal operation
1. Make sure the meter is OFF to start
2. Press and hold the SETUP button and then
press the power
button. Release the SETUP button to enter the setup mode.
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3.
adjustment
screen. Press the LEVEL button
to adjust the minutes to the
current time.
4.
adjustment screen.
Press the LEVEL button to adjust the hour to the
current time.
- -
5.
adjustment screen.
Press the LEVEL button to adjust the date to the
current day.
1. Press the SETUP button to enter the
ustment screen. Press the
LEVEL button to adjust the display to
the current month.
2. Press the SETUP button to enter the
LEVEL button to adjust the display to
the current year.
3. Press the SETUP button two
more times to view the default
- -
adjusted.
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9. Press the SETUP button to enter the
time/date reset screen. NOTE: If the
HOLD button is pressed with this screen
displayed the time and date will be reset
to default values.
Measurements
MEASUREMENT CONSIDERATIONS
5. Wind blowing across the microphone increases the noise
measurement. Use the supplied windscreen to cover the
microphone when applicable.
6. Calibrate the instrument before each use if possible. Especially if
the meter has not been used for a long period of time.
7. Do not store or operate the instrument in areas of high temperature
or humidity.
8. Keep meter and microphone dry.
9. Avoid severe vibration. Protect the meter from impact. Do not
drop it. Transport the meter in the supplied case.
10. Remove the battery when the meter is to be stored for long periods of
time.
BASIC OPERATION
1. Turn the meter ON by pressing the button.
2. button.
3. Select Fast or Slow response time by pressing the FAST/SLOW
button.
4. Use the LEVEL button to select the appropriate range. The range is
shown near the top of the display. Use a range that puts the sound
level reading in the center of the range. If the OVER or UNDER icons
appear on the display, select a new range if possible.
5. The numeric and bargraph displays indicate the sound level
measurement.
6. To turn the meter off, press and hold the button for 3 seconds.
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LEVEL
The LEVEL button is used to select the measurement range. Press this
button to step through the ranges as indicated on the display (30 to 80,
50 to 100, 80 to 130, or 30 to 130 autoranging)
A/C FREQUENCY WEIGHTING
weighting selected, the frequency response of the meter is similar to
environmental or hearing conservation programs such as OSHA
regulatory testing and noise
weighting is a much flatter response and is suitable for the sound
level analysis of machines, engines, etc. Most noise measurements
are performed using 'A' Weighting and SLOW Response.
FAST/SLOW RESPONSE TIME
Use the FAST/SLOW button to select a FAST (125 ms) or a SLOW (1
second) response time. Select FAST to capture noise peaks and noises
that occur very quickly. Select the SLOW response to monitor a sound
source that has a consistent noise level or to average quickly changing
levels. Select SLOW response for most applications.
HOLD
the button again to resume normal operation.
MAX / MIN
In the MAX/MIN mode the meter will display and hold either the maximum
or minimum reading. The display will update only when the measured
value exceeds the value presently in the display.
1. Press the MAX/MIN button and the MAX icon will appear on the
display. The reading displayed is the highest reading encountered
since the MAX mode was entered.
2. Press the MAX/MIN button again. The MIN icon will appear
on the display. The reading displayed is the lowest reading
encountered since the MIN mode was entered.
3. Press the MAX/MIN button again to exit the MAX / MIN display mode.
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RECORDING DATA
The meter can store up to 20,000 readings at an interval rate of 1 to 59
seconds. Each recording session is saved as a data set and each record
is saved with a date and time stamp. This data can be downloaded using
the supplied software.
Setting the interval time
1. Press and hold the button while turning the meter ON.
0001 and Int will appear in the display.
2. Press the LEVEL button to set the sample interval from once
per second to once per 59 seconds.
3. Press the HOLD button to save the interval setting and exit the
setting mode.
Recording readings
1. Press the REC button to begin recording. The REC icon will appear
on the display.
2. Press the REC button again to stop recording.
3. Auto Power OFF is disabled when the record function is active.
Clearing Stored readings
1. Turn the meter OFF.
2. Press and hold the REC button while turning the meter ON.
3. When (clear) appears on the display, release the REC button.
4. All of the readings that were stored in memory are now erased.
BACKLIGHT
Press the button to turn the LCD backlight on or off. To conserve
battery life, the backlight will automatically turn off after approximately
30 seconds.
AUTO POWER OFF
The meter will automatically shut off after approximately 15 minutes of
inactivity. Press the SETUP
button to disable the auto-power-off feature. The icon in the display
indicates that the auto power off feature is active.
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ANALOG OUTPUTS
The meter is equipped with an analog output feature.
panel and requires a 3.5mm stereo phono plug. (1-
AC Output, 2-DC Output, 3- Ground)
AC analog output
Output voltage: 1Vrms at full scale of the selected range.
DC analog output
Output voltage: 10mV (±1mV) per displayed dB.
Calibration
Frequent calibration is recommended and
is often required by noise standards and
directives.
1. Turn the meter ON
2.
3.
4. Place the calibrator onto the microphone.
5. Turn the calibrator ON.
6.
on the side panel
the output of the calibrator (typically
94dB or 114dB).
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Battery Replacement
1. The battery icon will appear on the display when the battery needs replacing.
2. Turn the meter OFF and slide the rear battery cover off.
3. Install the 9V battery and replace the cover.
Never dispose of used batteries or rechargeable batteries in
household waste.
As consumers, users are legally required to take used batteries to
appropriate collection sites, the retail store where the batteries were
purchased, or wherever batteries are sold.
Disposal: Do not dispose of this instrument in household waste. The
user is obligated to take end-of-life devices to a designated collection
point for the disposal of electrical and electronic equipment.
Other Battery Safety Reminders
Never dispose of batteries in a fire. Batteries may explode or leak.
Never mix battery types. Always install new batteries of the same type.
USB PC Interface
The meter has a built-in USB port for use with the supplied data acquisition
software. The software allows the user to download stored data, view,
save, export, and print readings from the sound level meter.
SOFTWARE INSTALLATION
Refer to the documentation included with the software for complete
details on installation and operation of the application program and
the USB driver software.
SOFTWARE COMMUNICATION
1. Connect the meter to the PC using the supplied USB cable.
2. Turn the meter ON and press the SETUP button.
3. Launch the application program.
4. Select the COM port which has the CP210X driver installed.
5. Data will appear on the pc screen when communication is
established.
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