Miltronics SL120 User manual

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SL120 User Manual Miltronics Mfg., Inc.
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Model SL120
User Manual

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SL120 User Manual Miltronics Mfg., Inc.
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Warranty
This product is fully warranted against defective materials
and/or workmanship for a period of one year after purchase,
provided it was not improperly used. For your protection,
please use this product as soon as possible. If returned, it must
be securely wrapped, sent prepaid and insured to:
Miltronics Mfg., Inc.
95 Krif Road
Keene, NH 03431
PH: 603-352-0187
FX: 6030-352-1036
Please include a note with name, address, telephone number
and description of the problem. Although we provide
assistance on Miltronics, Pacer Instruments and Pacer Legacy
products both personally and through our literature, it is still
the total responsibility of the customer to determine the
suitability of the product for use in their application.
This manual is provided by Miltronics Mfg., Inc. without any
kind of warranty. Precautions have been taken in accurately
preparing this manual; however, we neither assume
responsibility for any omissions or errors that may appear nor
assume liability for any damages that result from the use of the
products in accordance with the information contained in the
manual.

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SL120 User Manual Miltronics Mfg., Inc.
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INTRODUCTION
The model SL120 sound level meter is a one-button easy-to-use
instrument that uses a quality, intuitive analog meter movement. It
measures to the Graph A weighting (See APPENDIX B). It is
excellent for checking noise levels to remain in standards of
compliance. It is used for the safety/health area and in quality
control of noise. It meets the ANSI S1.4-1983 Type 2 standards.
SPECIFICATIONS
Sensor: Built-in electret capacitive type
microphone
Ranges: 40 to 120 dB (A)
Accuracy: Conforms to ANSI S1.4-1983
Type 2
Display: Analog Meter
Frequency Weighting: Graph A (According to ANSI S1.4
1983 Type 2 and IEC 651 Type 2)
Time Weighting: Slow (corresponds to IEC)
Battery: 2.7V alkaline battery PN 3321 or
two type 625 1.4V button cells
Battery Life: Approximately 100 hours
Battery Check: LED Low Battery Indictor
Operating Temperature: 32º to 122ºF (0º to 50ºC)
Dimensions:
Instrument: 5.75” X 1.75” X 1.1”
Weight: 3.5 ounces with battery
Options:
Battery PN 3321 2.7V replacement battery
Holster PN 3865 belt-loop holster
Included: SL120 sound meter with PN 2958
operation manual

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SL120 User Manual Miltronics Mfg., Inc.
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OPERATION
The SL120 is simple to use. Press the yellow button and point the
microphone in the direction of the sound or noise to be measured.
When testing for noise levels on equipment, place the microphone
at the same height and in the same direction as the machine
operator’s ear.
The red LED in the lower middle of the meter window serves as a
battery check as well as indicating that the meter is operating
properly. If the LED does not light, replace the battery (refer to
APPENDIX A).

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SL120 User Manual Miltronics Mfg., Inc.
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APPENDIX A –BATTERY REPLACEMENT
To replace the battery(s), pry open battery compartment with a
coin or a screwdriver and install a new PN 3321 battery. Available
from the manufacturer.
You may also use (2) coin cells (plus + side down); use any of the
following or equivalent: Varta V625U, Vinnic L1560, Duracell
625A, Energizer 625G or any equivalent cells. Be sure the spring
has sufficient force; stretch it up if needed.

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SL120 User Manual Miltronics Mfg., Inc.
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APPENDIX B –GRAPH A
Graph A shows the human hearing range in tone frequency vs.
sound level. The sensitivity of the ear is greatest in the range 2000
to 5000 Hz. A 50 Hz tone must be 53 dB stronger than a 1000 Hz
tone to be heard.

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SL120 User Manual Miltronics Mfg., Inc.
Rev 1.3 www.pacer-instruments-usa.com www.miltronics.com
30-August-2018 Phone: [phone]
Notes:

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Fax: [phone] or 352-1036
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SL120 User Manual Miltronics Mfg., Inc.
Rev 1.3 www.pacer-instruments-usa.com www.miltronics.com
30-August-2018 Phone: [phone]
™
™
Miltronics Mfg. Svcs., Inc.
95 Krif Road
Keene, New Hampshire 03431
USA
[phone]
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Fax: [phone]
[e-mail]
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Copyright © 2009-2013, Miltronics Mfg., Inc.
Miltronics, SL120, and the
Miltronics Mfg., Inc. logo are trademarks of Miltronics Mfg., Inc.
Pacer and Pacer Instruments are trademarks of Pacer Instruments, Inc.