Simpson 897 User Manual
OFF RUN HOLD
LOCK
SIMPSON ELECTRIC CO. ELGIN , IL 60120
897 DOSIMETER
SOUND MEASURING SYSTEM
SPL
"CAL"
INT
(60 sec)
DOSE
PEAK
Leq
MAX
TIME
PRINT
TEST SETUP
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2
3
4
5
6
7
8
9
LO BATT
SPL MAX
INT 60s
% DOSE
dBA
Model 897
Dosimeter Sound Measuring System
OPERATOR’S MANUAL
SIMPSON ELECTRIC COMPANY 520 Simpson Avenue
Lac du Flambeau, WI 54538-0099 (715) 588-3311 FAX (715) 588-3326
Printed in U.S.A. Part No. 06-115891 Edition 6, 05/07
Visit us on the web at: www.simpsonelectric.com
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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 specifications.
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 applicable, 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.
!
NOTES
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 completely before making any measurements. Failure to follow directions can result
in a serious or fatal accident.
Technical Assistance
SIMPSON ELECTRIC COMPANY offers assistance Monday through Friday
8:00 am to 4:30 pm Central Time. To receive assistance contact Technical Support or Customer Service at (715) 588-3311.
Internet: http://www.simpsonelectric.com
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 authorizes 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.
!
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NOTES
NOTES
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Contents
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 ....................................................................................1 6
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 .................................2 3
4.9 Automatic Data Logger .....................................................................23
4.10 Data Output Formats ........................................................................ 24
4.11 Parallel Output And Serial Format 2 “Prn 2” .................................... 24
4.12 Spreadsheet Output Format “Prn 1” .................................................2 6
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
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12. Save data or copy to another program to print.
Data will remain stored in the dosimeter while the dosimeter is still on; once the
dosimeter is turned off, the data will be erased.
4.14.2 Using Microsoft Works 3.0 For Dos
Access the WORKS program, and follow the prompts. Data is first received by the
Communications portion of WORKS, then moved to the word processor portion,
and finally into the spreadsheet.
From the Quick Start Options Menu, select “Create a New File” and then continue
below:
4.15 Error Message
If the display indicates “ERRO3”, turn off the dosimeter and wait 10 seconds. Then
turn the dosimeter on. This resets the 897 and the calibration is unaffected.
Communications <OK>
Options
Communication
Baud Rate [match the 897--try 9600]
Data Bits [8]
Stop Bits [1]
Handshake [Hardware]
Parity [None]
Port [COM1 or COM2], as required
<OK>
File Save [this will save the setup]
Transfer
Capture Text
Save file as [897.DAT] <OK>
Connect
Connect
>> On the 897, slide the “OFF-ON-HOLD” SWITCH TO “HOLD” AND PRESS
“PRINT”. You will see the data appear on the computer screen. When the data
stops appearing...
Connect
Connect
OK to disconnect? <OK>
File
Close
File
Open Existing File
897.DAT <OK>
Open File As <Word Processor>
<OK>
Select
Replace
Search for [*...........]
<Replace All> <OK>
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FULLY INSERT
MICROPHONE
NOTES
SET TO "RUN"
PRESS
"CAL"
897 DOSIMETER
SOUND MEASURING SYSTEM
LO BATT
SPL MAX
INT 60s
SPL
INT
"CAL"
(60 sec)
TEST SETUP
DOSE
Leq
PEAK
MAX
TIME
PRINT
LOCK
OFF RUN HOLD
SIMPSON ELECTRIC CO. ELGIN , IL 60120
% DOSE
dBA
SOUND LEVEL CALIBRATOR
OUTPUT FREQUENCY: 1000 HERTZ
ON
OFF
ON
LOW BATTERY
CAUTION
NEVER PLACE CALIBRATOR AGAINS EAR.
READ OPERATOR'S MANUAL.
SIMPSON ELECTRIC CO., ELGIN IL 61020
MADE IN USA
114dB
94 dB
887-2
SET TO "114dB"
POSITION
Figure 4-5. Calibration Hookup
f. (Optional) The time and date of this calibration may be recorded in the
Instrument’s memory by pressing and holding the “SPL (CAL)” switch until
the display flashes “CAL.” The Instrument will retain the two most recent such
occurrences, which may be observed only via the DATA OUTPUT. Due to
changes in atmospheric conditions, it is recommended that Instrument calibrations be conducted and recorded at the beginning and end of the day.
g. Turn off the calibrator, remove the microphone and replace the windscreen.
4.14 Dosimeter Application
The following text describes how to transfer data from the Simpson 897 Dosimeter into an IBM-compatible computer using Microsoft Works.
Using the optional RS-232-C serial cable, catalog #02233, connect the 897 to
your computer’s serial port, either COM1 or COM2.
4.14.1 Using Microsoft Works 4.0
1. Start Works 4.0
2. In Works Task Launcher, go to Works Tools.
3. Click on Communications.
4. Close the Easy Connect window if necessary.
5. Click on Settings and then Communications.
6. Choose the COM Port that the Dosimeter is connected to, then click on
Properties.
7. Set Port Settings to match the Dosimeter (Flow control=Xon/Xoff), click OK.
8. Click OK again.
9. Click on the Dial/Hang-up button on the toolbar.
10. Press PRINT on the Dosimeter.
11. Data should now be displayed.
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