Equipment information
Simpson 897 Other
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Model:
897
Date:
Category:
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Description:
Dosimeter Sound Measuring System
Information
The Simpson model 897 is a combination dosimeter and Class
S2A sound level
meter. It is a portable, easy-to-operate, accurate digital
sound measurement instrument
designed to meet the requirements of OSHA and international
noise
exposure regulations.
The 897 has a built-in data logger with a 31 hour storage
capability. There are two
standard output formats available with the data logger, a
Centronics compatible
parallel printer and an RS-232C serial printer or computer.
The 897 also meets
the requirements for the American National Standard
Institute (ANSI) Specification
S1.4-1983 and IEC651 for class S2A sound level meters and
American
National Standard Institute (ANSI) Specification S1.25-1978
for Personal Noise
Dosimeters.
Measuring continuous, intermittent and impulsive noise in
the standard range
from 80 dBA to 130 dBA, the 897 also offers a 50 to 100 dB
range where lower
sound level analysis is desired. When used as a personal
noise dosimeter, the
897 may be worn in a shirt pocket or on a belt. The
microphone is provided with a
clip which can be attached to the operator’s shirt close to
the ear.
When used as a sound level meter, the Instrument is
hand-held. A front end
attachment, properly contoured to avoid interference with
incoming sound waves,
holds the microphone. The advanced microcomputer, large
digital display and
special electret-condenser microphone offers easy operation
and readability,
and excellent performance and reliability.
Manual Type:
User Manual
Pages:
16
Size:
167.34 Kbytes (171354 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
2014 11 23
MD5:
4280fffd7c7cffad2d09a85b3bd338e1
Downloads:
589
Information
1. INTRODUCTION
... 7
1.1 General
Description ... 7
1.2 Items Furnished With
Instrument ... 7
1.3 Technical
Data ... 8
2. PREPARATION FOR
USE ... 11
2.1 Unpacking And
Inspection ... 11
2.2 Preparation For
Use ... 11
2.3
Warranty ... 12
2.4
Shipping ... 12
3.
APPLICATION ... 12
3.1 Decibel
Scale ... 12
3.2 Sound Level
Meter ... 12
3.3 Measurement And Exposure
Standards ... 13
3.3.1 Steady Level or Slowly Varying
Noise ... 13
3.3.2 Impact
Noise ... 15
3.4
Dosimeter ... 15
3.5 Dosimeter
Equation ... 15
3.6 Sound
Fields ... 16
3.6.1 Free
Field ... 16
3.6.2 Reverberant
Field ... 16
3.7 Microphone
Orientation ... 16
3.7.1 Area Monitor in a Free
Field ... 16
3.7.2 Fixed Position Monitor in a Reverberant
Field ... 16
3.7.3 Use of Dosimeter as a Personal
Monitor ... 16
3.8
Windscreen ... 17
4.
OPERATION ... 17
4.1 Safety
Precautions ... 17
4.2 Operating Items And
Features ... 17
4.3 Top Panel Operating
Features ... 19
4.4 Battery
Charging ... 19
4.5 Preliminary
Checks ... 20
4.5.1 Underrange
Display ... 20
4.5.2 Overrange
Display ... 20
4.5.3 Diagnostic Memory
Test ... 20
4.6 Setting The Dosimeter
Parameters ... 21
4.6.1 The Dosimeter
Parameters ... 21
4.6.2 To Program the
Dosimeter ... 21
4.7 Security
Controls ... 23
4.8 Selection Of Parallel Or Serial Output
Format ... 23
4.9 Automatic Data
Logger ... 23
4.10 Data Output
Formats ... 24
4.11 Parallel Output And Serial Format 2 “Pm
2” ... 24
4.12 Spreadsheet Output Format “Pm
1” ... 26
4.13
Calibration ... 27
4.14 Dosimeter
Application ... 28
4.14.1 Using Microsoft Works
4.0 ... 28
4.14.2 Using Microsoft Works 3.0 For
Dos ... 29
4.15 Error
Message ... 30