Triplett SoniChek MC Manual de usuario
TRIPLETT
SoniChek MC
Mini Sound Level Meter
C Weighted
Instruction Manual
84-888
4-10
Page 1
I. Safety information
Read the following safety information carefully before
attempting to operate or service the SoniChek MC.
For best performance and continued safe operation,
use the SoniChek MC only as specied in this manual.
• Operating Conditions
(1) Relative humidity 90% max.
(2) Ambient Temperature 32 ~104 °F
• Maintenance & Cleaning
(1) Repairs or servicing should only be performed by
qualied personnel.
(2) Periodically wipe the case with a dry cloth. Do not
use abrasives or solvents on this instrument.
• Safety symbols
The SoniChek MC is protected by double
insulation or reinforced insulation.
When servicing, use only specied replacement
parts. Complies with EMC Directive.
I. Safety information
Read the following safety information carefully before
attempting to operate or service the SoniChek MC.
For best performance and continued safe operation, use the
SoniChek MC only as specified in this manual.
Operating Conditions
(1) Relatively humidity 90% max.
(2) Ambient Temperature 32 ~104 oF
Maintenance & Cleaning
(1) Repairs or servicing should only be performed by
qualified personnel.
(2) Periodically wipe the case with a dry cloth. Do not use
abrasives or solvents on this instrument.
Safety symbols
The SoniChek MC is protected by double insulation or
reinforced insulation.
When servicing, use only specified replacement parts.
Complies with EMC Directive
Page 2
II. General Description
The Triplett SoniChek MC is a compact Sound Level
Meter with C Weighting. Its ergonomic handsized design
is convenient and practical. Features include a large
auto backlit LCD display, MIN and MAX memories, Auto
Power Off, tripod mounting thread, and a non-slip rubber
grip. The C weighting makes the SoniChek MC ideal for
testing sound levels in home theaters, music perfor-
mances, car audio, and other situations requiring broad
frequency response.
To ensure that you can get the most from this product,
we recommend that you read and follow this manual
carefully.
Page 3
III. Features
• Modern Compact Ergonomic Design
• 40 to130dB SPL measurement range
• Frequency from 31.5Hz to 8KHz.
• 4 Digit Backlit LCD
• 0.1dB Resolution
• C Weighting
• Fast Response
• Min / Max Hold
• Auto Power Off
• Tripod Thread
• Non-Slip Grip
• Uses common 9V battery
Page 4
IV. Specications
Frequency Response : 31.5Hz to 8KHz
Measuring Level Range : 40dB to 130dB SPL
Frequency Weighting : C
Microphone : 1/2 inch electret condenser
microphone
Display : LCD
: 4 digits
: 0.1dB Resolution
: 0.5 sec display update
Response Time : FAST(125mS)
Accuracy : + 3.5dB @1kHz, 94dB reference
Overrange : “OVER” displayed when input is
greater than 130dB
Auto Power Off : Meter automatically shuts
down after approx. 15 minutes
of inactivity.
Battery : One 9V, 006P or IEC 6F22 or NEDA 1604.
Operation Temperature : 32 to 104 °F
Operation Humidity : 0 to 90% RH
Storage Temperature : 14 to 140 °F
Page 5
IV. Specications Cont.
Storage Humidity : 0 to 75% RH
Dimensions (including wind screen)
: 5 3/4” x 2’’ x 1 1/4”
Weight : 4.6 oz (including battery)
Page 6
IV. Control Locations and Descriptions
1: Windscreen and Electret Condenser Microphone
2: MAX/MIN Button
3: Power ON/OFF button
4: Ambient Light Sensor
(turns LCD backlight on and off)
5: Digital LCD display
6: Battery Cover
7: Tripod Thread
Page 7
V. Measurement Preparation
1: Install New Battery
Remove the battery cover on the back of the
SoniChek MC and observing proper polarity,
install one 9V Battery.
2: Battery Replacement
When the battery voltage is low, “BAT” appears
on the LCD. Replace battery.
VI. Operating Precautions
1: Air moving across the microphone causes noise
that the SoniChek MC measures. Although the air
movement may be silent to the user, it is ‘heard’ by
the SoniChek MC. The provided foam windscreen
suppresses the noise, but does not eliminate it.
Consider this when taking measurements in areas
where air movement or wind is a factor.
Page 8
VI. Operating Precautions Cont.
2: Do not operate the instrument in temperatures
or humidities exceeding those stated in the
Specications. Doing so may produce
inaccurate results or damage the instrument.
3: Keep microphone dry and avoid shock and
vibration.
4: When not in use, remove the battery and
store in a protected location with moderate
temperatures and humidities (see Specications).
Page 9
VII. Measurement
(Refer to “Control Locations and Descriptions”)
1: Turn on power by pressing and releasing the
ON/OFF button (3)
2: Hold the instrument comfortably in hand or
x on tripod and point the microphone at the
sound source. The sound pressure level will
be displayed on the LCD (5)
3: The SoniChek MC can capture and hold the
maximum or minimum sound level. To activate
this feature, press and release the MAX/MIN
button (2) once to activate MAX, again to activate
MIN, or hold the button in to return to normal
measurements. The mode is indicated by MAX or
MIN appearing in the LCD display.
4: Turn power off by pressing and releasing the
ON/OFF button.
Note: The SoniCheck MC will automatically turn on the
LCD backlight in low light situations.
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