Triplett SoniChek MC User manual

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 specied 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

qualied 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 specied 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. Specications

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. Specications 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

Specications. 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 Specications).

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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