Equipment information:

Simpson 897 Other
Manufacturer:
Simpson
Model: 897
Date:
Category: Measurement instruments
Group: Other
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.

These manuals are available for the above equipment:

Simpson -- 897 -- User Manual
File name: Simpson-6446-Manual-Page-1-Picture
Manual Type: User Manual
Pages: 16
Size: 167.34 Kbytes (171354 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date:
Quality: Scanned document, all readable.
Upload date:
MD5: 4280fffd7c7cffad2d09a85b3bd338e1
ed2kID: 8c32fd90dcc8ba48cc4bccf2cfc00b7b
Downloads: 48 since 23 November 2014
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
Simpson-6446-Manual-Page-1-Picture
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