Simpson 884-2 Скачать руководство пользователя страница 2

2

About this Manual

To the best of our knowledge and at the time written, the information contained in
this document is technically correct and the procedures accurate and adequate
to operate this instrument in compliance with its original advertised specifica-
tions.

Notes and Safety Information

This Operator’s Manual contains warning symbols which alert the user to check
for hazardous conditions. These appear throughout this manual where appli-
cable, and are defined below. To ensure the safety of operating performance of
this instrument, these instructions must be adhered to.

!

Warning, refer to accompanying documents.

Caution, risk of electric shock.

This instrument is designed to prevent accidental shock to the operator when
properly used. However, no engineering design can render safe an instrument
which is used carelessly. Therefore, this manual must be read carefully and com-
pletely before making any measurements.  Failure to follow directions can result
in a serious or fatal accident.

!

Warranty and Returns

SIMPSON ELECTRIC COMPANY warrants each instrument and other articles
manufactured by it to be free from defects in material and workmanship under
normal use and service, its obligation under this warranty being limited to making
good at its factory or other article of equipment which shall within one (1) year
after delivery of such instrument or other article of equipment to the original
purchaser be returned intact to it, or to one of its authorized service centers, with
transportation charges prepaid, and which its examination shall disclose to its
satisfaction to have been thus defective; this warranty being expressly in lieu of
all other warranties expressed or implied and of all other obligations or liabilities
on its part, and SIMPSON ELECTRIC COMPANY neither assumes nor autho-
rizes any other persons to assume for it any other liability in connection with the
sales of its products.

This warranty shall not apply to any instrument or other article of equipment
which shall have been repaired or altered outside the SIMPSON ELECTRIC
COMPANY factory or authorized service centers, nor which has been subject to
misuse, negligence or accident, incorrect wiring by others, or installation or use
not in accord with instructions furnished by the manufacturer.

www.

.com

[email protected]

1.800.561.8187

Содержание 884-2

Страница 1: ...Simpson Model 884 2 Sound Level Meter OPERATOR S MANUAL www com information itm com 1 800 561 8187...

Страница 2: ...nt and other articles manufactured by it to be free from defects in material and workmanship under normal use and service its obligation under this warranty being limited to making good at its factory...

Страница 3: ...LICATION 11 3 1 Decibel Scale 11 3 2 Measurement And Exposure Standards 11 3 3 Sound Fields 12 3 3 1 Free Field 12 3 3 2 Reverberant Field 12 3 3 3 Semi Reverberant Field 13 3 4 Microphone Orientation...

Страница 4: ...r switch which references the 0 dB point of the indicating instrument to the range selected For example when the range switch is set to 70 the zero 0 mark on the black arc is equal to 70 dB Fast or sl...

Страница 5: ...sure levels of either 94 dB on the 90 dB range or 114 dB on the 110 dB range Screwdriver adjustable from the side of the case 9 Output Connections This Instrument is provided with three outputs Exter...

Страница 6: ...Windscreen 00197 Calibrator 890 2 12890 Package Case 10 866065 Adapter Microphone to Tripod 00184 898 Octave Band Filter Set 02231 2 INSTALLATION This section contains information and instructions for...

Страница 7: ...ached to any commercial photography type tripod having a standard 1 4 20 mounting screw The mounting screw is aligned with the threaded insert in the case and finger tightened A camera type carrying s...

Страница 8: ...st that can be tolerated without pain Because of the large ratio of value involved a linear meter scale marked in pressure units becomes impractical A scale based on logarithms called a decibel dB sca...

Страница 9: ...are established by the Oc cupational Safety and Health Act of 1970 OSHA the Walsh Healy Act Federal Register Volume 34 No 96 and paragraph 1910 95 of the Occupational Safety and Health Standards Feder...

Страница 10: ...sence When sound is coming mainly from one direction the reading might be affected by the relative positions of the microphone and operator For example if the operator and microphone are in line and f...

Страница 11: ...tergent Thoroughly rinse and dry before placing over microphone 3 7 Meter Fluctuations If the meter indication fluctuates more than 3 dB set the meter response switch of the Instrument to the SLOW pos...

Страница 12: ...9 Dual Sound Sources When separate measurements are made on two sound sources the combined effect cannot be predicated by direct addition For example If two machines are emitting equal noise levels of...

Страница 13: ...und Level Meter periodically especially if the Instrument has been subjected to severe me chanical shock or environmental extremes 4 2 Operational Items And Features All items and features used to ope...

Страница 14: ...f 1 00 V RMS is equiva lent to a meter reading of 10 dB looking into a 100 K load The recommended plug for this jack is a Switchcraft 850 External Filter Jack A non weighted flat response output of 12...

Страница 15: ...her applications select the desired range weighting and response If the meter fluctuations are in excess of 3 dB set the response to SLOW position NOTE With the range switch set to any of the other ra...

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