SKC Limited Haz-Dust IV User Manual

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USER’S GUIDE
HAZ-DUST IV
REAL-TIME PERSONAL DUST
MONITOR
MODEL HD-1004
Environmental Devices Corporation
4 Wilder Drive Bldg. # 15
Plaistow, NH 03865
Phone: (603) 378-2112
(800) 234-2589
Fax: (603) 378-2113
E-mail: customerservice@hazdust.com
E-mail: technicalsupport@hazdust.com
Website: www.hazdust.com
E
EDC
c
New technology for monitoring air quality
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Haz-Dust IV
User’s Guide
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Licenses, Copyrights and Trademarks
This documentation contains trade secrets and confidential information proprietary to Environmental Devices Corporation (EDC). The software supplied with the instrumentation, documentation and any information contained therein may not be used, duplicated or disclosed to anyone, in whole or in part, other than as authorized in a fully executed EDC End User License or with the express written permission of EDC.
1997 Environmental Devices Corporation. All rights reserved throughout the world.
Haz-Dust IV
is a registered trademark of Environmental Devices
Corporation. Other trademarks are the property of their respective holders.
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Safety Notice
Repair of instrumentation supplied by Environmental Devices Corporation (EDC) should only be attempted by properly trained service personnel, and should only be conducted in accordance with the EDC system documentation. Do not tamper with this hardware. High voltages may be present in all instrument enclosures. Use established safety precautions when working with this instrument.
The seller cannot foresee all possible modes of operation in which the user may attempt to utilize this instrumentation. The user assumes all liability associated with the use of this instrumentation. The seller further disclaims any responsibility for consequential damages.
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Warranty
Environmental Devices Corporation (EDC) warrants only non-expendable products, parts and labor, for a period of one year from date of shipment to the original purchaser. The warranty covers only product parts and labor that failed due to normal operation of the instrument and not due to abuse or negligence. The product will be delivered in accordance to its published specifications and free from defects in materials or workmanship.
Expendable products (battery, o-rings, tubing, disposable filter cassette, etc.) are warranted for a period of 90 days from receipt of shipment.
If a product fails to conform to this one year limited warranty it may be returned to the factory for repair or replacement of the defected part(s). EDC must be notified of all returning warranty repair products, either in writing or by telephone. Shipping and insurance cost will be prepaid by the purchaser. If unit is still under warranty EDC will pay for its return to the purchaser.
EDC makes no other express warranty and disclaims any implied warranty of fitness or merchantability.
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Table of Contents
Chapter 1 - Introduction to the Haz-Dust IV........................................................................................................ 1-1
Introduction to the Haz-Dust IV......................................................................................................................... 1-2
Overview of the Haz-Dust IV ............................................................................................................................ 1-4
Real-Time Dust Monitoring Principles .............................................................................................................. 1-6
Features .............................................................................................................................................................. 1-7
Specifications ..................................................................................................................................................... 1-8
Components........................................................................................................................................................ 1-9
Chapter 2 - Operating Parameters of the HAZ-DUST IV................................................................................... 2-1
Turning the Haz-Dust IV On and Off ................................................................................................................ 2-2
Using the Menu .................................................................................................................................................. 2-3
Setting the Alarm................................................................................................................................................ 2-4
Setting the Date and Time .................................................................................................................................. 2-5
Clearing the Memory.......................................................................................................................................... 2-6
Chapter 3 - Operating the Haz-Dust IV ................................................................................................................ 3-1
Selecting the Particle Size..... ............................................................................................................................. 3-2
Thoracic Dust Particulates.................................................................................................................................. 3-3
Respirable Dust Particulates.............................. .................................................................................................3-4
Inhalable Dust Particulates............................... ..................................................................................................3-5
Auto-Zero……..………………………………………………………………………………………………..3-7 Sampling…….………………………………………………………………………………………………..3-10 Custom Correction Factor on HD-1004………………………………………………………………………3-13
Location Codes................................................................................................................................................. 3-14
Reviewing Stored Data……………………………………………………………………………………..…3-15
Chapter 4 - DustComm Pro V.1.2.......................................................................................................................... 4-1
Introduction to DustComm Pro V.1.2 ................................................................................................................ 4-2
Installing DustComm Pro................................................................................................................................... 4-3
Loading DustComm Pro..................................................................................................................................... 4-4
Menu Selections ................................................................................................................................................. 4-5
File Menu Command ......................................................................................................................................... 4-6
Downloading Data.............................................................................................................................................. 4-8
DustComm Pro Window .................................................................................................................................. 4-11
Translating Data into ASCII Text File. ............................................................................................................ 4-14
Generating a Plot.............................................................................................................................................. 4-15
Data Plot Menu Selections ............................................................................................................................... 4-16
Editing a Title................................................................................................................................................... 4-17
Applying a Correction Factor........................................................................................................................... 4-18
Inability to Download....................................................................................................................................... 4-19
Chapter 5 - Maintenance ........................................................................................................................................ 5-1
Checking the Calibration Span........................................................................................................................... 5-2
Checking the Flow Rate ..................................................................................................................................... 5-5
Adjusting the Flow Rate..................................................................................................................................... 5-7
Battery Maintenance........................................................................................................................................... 5-8
Cleaning the Sensor Optics .............................................................................................................................. 5-12
Appendix A - NIOSH/OSHA Particulate Air Monitoring Reference.................................................................A-1
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Appendix B - Particle Size Selections.....................................................................................................................B-1
Appendix C - Glossary of Terms............................................................................................................................C-1
Appendix D - Haz-Dust IV Accessories .................................................................................................................D-1
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Chapter 1 - Introduction to the Haz-Dust IV
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Chapter Overview
Introduction
In this chapter
This chapter gives a complete overview of the Haz-Dust IV.
This chapter:
Introduces and describes Haz-Dust IV.
Explains operating principles of the Haz-Dust IV.
Identifies features, specifications and components of Haz-Dust IV.
This chapter contains the following topics.
Introduction to the Haz-Dust IV 1-2 Overview of the Haz-Dust IV 1-4 Real-Time Dust Monitoring Principles 1-6 Features 1-7 Specifications 1-8 Components 1-9
Chapter 1
Introduction to the Haz-Dust IV
Topic See Page
Figure 1-1. Picture of the Haz-Dust IV.
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Introduction to the Haz-Dust IV
Introduction
The Haz-Dust IV is the worlds first personal dust monitor to combine traditional filter techniques with real-time monitoring methods. These techniques combine to overcome limitations of all other dust monitoring products.
Figure 1-2. Diagram of the Haz-Dust IV.
Figure 1-3. Diagram showing components used for both the traditional and real-time dust monitoring methods.
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Introduction to the Haz-Dust IV, Continued
Comparison of methods
Description of traditional method
Advantages of traditional method
Description of real-time method
1
The traditional and real-time dust monitoring methods are described below.
Air is drawn by a vacuum pump through a 25mm or 37mm diameter membrane filter. The fibers and particles collected on the membrane filter must be counted or weighed in a laboratory for further analysis.
OSHA compliance reference method.
High level of specificity and accuracy.
Collection of dust particles, which are available for further chemical
analysis.
Dust particles are drawn into the sensor head and are detected once every second. Dust concentrations are instantaneously calculated and displayed on the Haz-Dust IV’s LCD. All data points are stored in memory for later analysis.
Advantages of real-time method
1
Immediate estimations of the concentration of a contaminant, permitting
on-site evaluations.
Provision of permanent 24-hour records of contaminant concentrations
using continuous monitors.
Internal audible alarm to warn workers of approaching hazardous
situations.
Reduction of number of manual tests.
Reduction of number of laboratory analyses.
Provision of more convincing evidence for presentation at hearings and
litigation proceedings.
Reduced cost of obtaining individual results.
1
“The Industrial Environment - It’s Evaluation & Control”, U.S. Department of Health & Human Services, DCD,
NIOSH, 1973.
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Overview of the Haz-Dust IV
Ease of use
General Information
The user controls all functionality and programming using menus displayed
on a high contrast LCD.
The compact unit attaches to the workers waist allowing for flexibility
during on-site monitoring.
A detached sensor head easily attaches to the worker for true breathing zone
measurements.
A user adjustable alarm can be preset to alert the worker of approaching
threshold limits.
The LCD displays real-time concentration in milligram per cubic meter
(mg/m
3
) in accordance with OSHA Reference Methods.
Statistical information of TWA, STEL, Max and Min levels can be viewed
instantly.
The Haz-Dust IV is calibrated using Arizona Road Dust (ARD) against
NIOSH method 0600 for Respirable dust with a +
The calibration of the Haz-Dust IV can be adjusted to compensate for
Thoracic, Respirable, or Inhalable changes in particle composition and distribution.
10% accuracy.
Figure 1-4. Diagram showing breathing zones of Inhalable, Thoracic, and Respirable dust particles.
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Overview of the Haz-Dust IV, Continued
DustComm Pro Software
The Haz-Dust IV comes equipped with DustComm Pro software, which allows internally stored data to be downloaded to a PC for further analysis.
DustComm Pro software is designed for more detailed analysis of sampled data. Pull down menus provides a user-friendly environment to store and analyze data and print management ready reports.
Data can easily be exported in comma-delimited ASCII Text Files importable into spreadsheet programs such as Microsoft Excel.
The data plots provided with DustComm Pro enable:
Detailed statistical analysis.
Creation of graphics and charts.
Mathematical correction of particle characteristics when aerosol
significantly differs from calibration dust.
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Features
Introduction
Real-time display of
Functional features
The Haz-Dust IV provides a unique combination of features to provide
superior data quality, ease of use, and flexibility to the user. Below is a
partial list of distinctive features.
Particulate exposure levels.
TWA, STEL, Min, and Max levels.
Thoracic, Respirable or Inhalable Particulate Mass.
True breathing zone measurements.
Stored data by location code.
Calibration to NIOSH methods for lung damaging particles.
In line concurrent filter samples for gravimetric analysis.
High sensitivity of 0.01 to 200 mg/m
3.
Interchangeable size-selective sampling inlets.
Internal air sampling pump.
Simple cleaning of sensor hardware.
Easy user access to rechargeable battery and internal filter.
Operational features
Data management
Security feature
On-screen programming of sampling and data storage parameters.
Real-time clock.
User selectable audible alarm.
In-field zero and span check of instrument calibration.
Choice of 1 second, 1 minute, or 10 minute averaging/storage intervals.
Up to 21 weeks of sample/record time.
Memory storage of up to 21,500 data points that can be distributed into a
maximum of 999 location files.
DustComm Pro Software supplied with RS-232 cable for downloading data
to a PC.
Data translation to ASCII text files, importable into Excel or Lotus 1-2-3.
Security access code of 1209 which prevents anyone from viewing, printing
or downloading the data stored in the Haz-Dust IV.
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Specifications
Introduction
The Haz-Dust IV meets the following specifications.
SPECIFICATION RANGE
Calibration NIOSH 0600 with SAE Test Dust
Accuracy + 10% Precision 0.02 mg/m3
Sensing range 0.01 to 200 mg/m3
Particle size range
Recording time 1 second, 1 minute and 10 minute averages
Flow rate 1.5 to 2.3 LPM
Memory 21,500 data points
Locations Up to 999 storage locations
Output RS-232
Operating temperature
Humidity range 95% non-condensing
Battery Rechargeable NiCad
Battery life 8 hours
Charging time 8 hours
Size 9 x 3.5 x 2.5 in (22.9 x 8.9 x 6.4 cm)
Weight 3 lbs. (1.4 kg)
0.1 to 10 µm Respirable
0.1 to 50 µm Thoracic
0.1 to 100 µm Inhalable (IOM)
32 to 120° F (0° -50°C)
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Components
Components
The following components ship with the Haz-Dust IV.
Haz-Dust IV Monitor.
Battery charger.
Trimming tool.
Detachable Thoracic sampling inlet.
Opaque filter cassette holder.
Haz-Dust IV Multi Media CD-Rom Including: DustComm Pro Software
and the Instruction Manual.
RS232 9-pin serial cable (female to male).
Zeroing filter.
Durable carrying case.
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Chapter 2 - Operating Parameters of the Haz-Dust IV
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Operating Parameters of the Haz-Dust IV
Chapter Overview
Introduction
In this chapter
This chapter describes the steps involved in starting the Haz-Dust IV and
configuring its operating parameters.
This chapter contains the following topics.
Turning the Haz-Dust IV on and off. 2-2 Using the Menu. 2-3 Setting the Alarm. 2-4 Setting the Date and Time. 2-5 Clearing the Memory. 2-6
Chapter 2
Topic See Page
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Turning the Haz-Dust IV On and Off
Introduction
Power-On
Power-Off
Power can be supplied to the Haz-Dust IV either from its internal battery or
from an AC power source.
Note
: THE BATTERY MUST BE FULLY CHARGED before each use. See page 5-
8 for information on battery maintenance.
Press the ON/OFF key to turn the Haz-Dust IV monitor on.
Result:
The unit will turn on and the Title Screen will appear.
Note:
Allow at least two minutes for the Haz-Dust IV to equilibrate and
stabilize.
Press the ON/OFF key a second time to turn the Haz-Dust IV off.
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Using the Menu
Introduction
Accessing the main menu
Using the menu
The Haz-Dust IV menu appears on the 4x20-character liquid crystal display
(LCD).
Note:
Press ENTER from the Title Screen to access the Main Menu.
The Haz-Dust IV is operated using the following menu selections.
<I/O> <ENTER> < >
< >
< >
See Appendix A for menu option flow charts.
Selection Function
Turns the Haz-Dust IV on and off. Activates the selected option. Selection Arrow. Indicates the selected menu option. Located on the LCD Display. Scrolls the Selection Arrow up one line in a menu list. Scrolls the Selection Arrow down one line in a menu list.
** Haz-Dust IV **
Personal Real-Time Particulate Monitor E.D.C. Ver 1.0 5/05
Figure 2-2. The Title Screen of the Haz-Dust IV.
Run Review Data Special Functions Auto Zero
Figure 2-3. The Main Menu of the Haz-Dust IV.
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Setting the Alarm
Introduction
Alarm settings
Using the alarm
An audible alarm can be set to alert the worker of approaching threshold limits.
The concentration level must be set to the defined agency standard for the particulate type being sampled.
Note:
See Appendix B for a listing of the most common dust particulates and
their corresponding concentration levels.
Follow the steps in the table below to set the alarm level.
Step Action
1 2 3 Enter the appropriate concentration level using the table below.
Increase the value of the
Decrease the value of the
Select the next digit.
4
Select Special Functions from the Main Menu. Select Set Alarm.
To... Press...
< >
selected digit.
< >
selected digit.
ENTER
Press ENTER after the last digit is entered.
Result:
The alarm has been set and the Main Menu appears.
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Setting the Date and Time
Introduction
Date and Time settings
View settings
The date and time are pre-set by the factory to Eastern Standard Time and are maintained by an internal clock. It may be necessary to change the date and time due to local time zones or daylight savings time.
Note:
It is important that the system date and time are correct for accurate
record keeping.
Time is entered and displayed in military time format. Date is entered and displayed in European format (i.e., MON. 17-DEC-04).
Follow the steps in the table below to check the units date and time.
Step Action
1 2 3
4
Select Special Functions from the Main Menu. Select Date/Time. Select View Date/Time.
Result:
Press ENTER to return to the Date/Time Screen.
The unit’s current date and time will display.
Change settings
Follow the steps in the table below to change the units date and time.
Step Action
1 2 3 4 Enter the correct date and time using the steps in the table below.
5
Select Special Functions from the Main Menu. Select Date/Time. Select Set Date/Time.
Increase the value of the selected digit. Decrease the value of the selected digit. Select the next digit or field.
Update the selected date and time. Return to the Date/Time screen without
To... Press...
Press ENTER when the correct information has entered.
To... Select...
saving changes.
< > < > ENTER
Set Date/Time Cancel
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Clearing the Memory
Introduction
Clearing memory
The memory of the Haz-Dust IV can be cleared at any time.
Note:
All data points in all locations will be deleted from memory.
Follow the steps in the table below to clear the memory of the Haz-Dust IV.
Step Action
1 2 3
4
Select Special Functions from the Main Menu. Select System Options. Select Erase Memory.
Select Yes to clear memory.
Note:
memory.
Selecting No will cancel the process without clearing
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Chapter 3 - Operating the Haz-Dust IV
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Chapter Overview
Introduction
In this chapter
This chapter describes and diagrams operation procedures of the Haz-Dust IV.
This chapter contains the following topics.
Selecting the Particle Size: 3-2
Thoracic Dust Particulates 3-3 Respirable Dust Particulates 3-4
Inhalable Dust Particulates 3-5 Auto-Zero 3-7 Sampling 3-10 Location Codes 3-13 Reviewing Stored Data 3-14 Statistics Menu Tree 3-16
Chapter 3
Operating the Haz-Dust IV
Topic See Page
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Selecting The Particle Size
Introduction
Inlets
The inlet system of the Haz-Dust IV can be configured to sample Thoracic, Respirable, or Inhalable dust particulates. The following pages detail the selection process for each of these particle types.
The table below lists the particulate type, agency standard, and required inlets.
Particulate Standards Required Inlet Diagram
Thoracic EPA PM-10 & IP-10 Thoracic Sampling Inlet A Respirable NIOSH 0600 SKC Respirable Dust
Inhalable NIOSH 0500 SKC IOM Sampling
Note: Inhalable particulate samples require the IOM inlet (detail C) to be inserted into the Thoracic sampling inlet.
Detail
B
25mm Cyclone Inlet
C
Adapter Inlet
Figure 3-1. Diagram of sampling inlets for Thoracic (A), Respirable (B) and Inhalable (C) dust particles.
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Thoracic Dust Particulates
Thoracic Follow the steps in the table below to select Thoracic dust particulates.
Step Action
1 2 3 4 5
6 Thread the Thoracic sampling inlet into Haz-Dust IV sensor.
7 Attach the filter cassette to the sensor head of the Haz-Dust IV. 8 Attach the air intake tubing to the filter cassette. 9 Turn to page 3-7 and follow the instructions to Auto-Zero the Haz-
Select Special Functions from the Main Menu. Select System Options. Select Extended Options. Select Size Select, then Select. Select Thoracic.
Result:
The Main Menu is displayed.
Note:
The sampling inlet contains plastic threads be careful not to cross threads. To insert and remove the sampling inlet it must be screwed in and out. NOTE: Sensor must be removed from lapel bracket prior to installation.
Note:
If also collecting concurrent 37mm filter samples place a clean gravimetric filter in the filter cassette. The flow rate should be checked each time a new gravimetric filter is used. See page 5-5 for information on checking the flow rate.
Dust IV.
Figure 3.2a
Figure 3-2 and 3-2a. Thoracic Inlet, sensor head, disassembled filter cassette, 37 mm filter, and air intake tubing. Optical sensor mounted on lapel bracket.
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Respirable Dust Particulates
Respirable Follow the steps in the table below to select Respirable dust particulates.
Step Action
1 2 3 4 5
6 Screw in GS cyclone adapter p/n GSA-202 into bottom of sensor.
7 Attach the filter cassette to the sensor of the Haz-Dust IV. 8 Attach the air intake tubing to the filter cassette. 9 Turn to page 3-7 and follow the instructions to Auto-Zero the Haz-
Select Special Functions from the Main Menu. Select System Options. Select Extended Options. Select Size Select, then Select. Select Respirable.
Result:
The Main Menu is displayed.
Insert the GS-Cyclone into the GSA-202. NOTE: The sensor lapel bracket will have to be removed to install the GSA-202 and GS Cyclone.
Note:
If also collecting concurrent 37mm filter samples place a clean gravimetric filter in the filter cassette. The Flow Rate should be checked each time a new gravimetric filter is used. See page 5­5 for information on checking the flow rate.
Dust IV.
Figure 3.3. Component identifications from left to right: SKC GS-Cyclone for Respirable sampling, GSA-202 adapter, sensor head, disassembled filter cassette, filter, and air intake tubing.
*Requires the GSA-202 Cyclone adapter to fit.
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Inhalable Dust Particulates
Inhalable
Selecting Inhalable
When using the Haz-Dust IV monitor for Inhalable sampling a suitable entry must be used.
The SKC IOM Adapter is designed to allow the use of the front half of an IOM cassette and lock ring as an Inhalable entry to the Haz-Dust IV sensing chamber.
Follow the steps in the table below to select Inhalable dust particulates.
Step Action
1 2 3 4 5
Select Special Functions from the Main Menu. Select System Options. Select Extended Options. Select Size Select, Then Select. Select Inhalable.
Result:
The Main Menu is displayed.
6 Assemble the IOM & IA-202 as configured in diagram 3.4 &
illustration 3.5.
Note:
If also collecting concurrent 37mm filter samples place a clean gravimetric filter in the filter cassette. The Flow Rate should be checked each time a new gravimetric filter is used. See page 5-5 for information on checking the flow rate.
SKC IOM components used consists of IOM front plate, cassette front and cassette grid. IA-202 accessories consist of rubber washer, ring filter and end cover adapter.
Figure 3-4.IOM component identification layout from left to right. IOM front plate, cassette front, rubber washer, sensor head, filter ring, cassette grid and end cover adapter.
Continued on next page
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Inhalable Dust Particulates, Continued
7 Follow the steps in the table below to prepare the IOM sampling
adapter for use with the Haz-Dust IV.
Step Action 1 Insert rubber washer into IOM cassette front.
Place into sensor and screw the IOM front plate
over it into the sensor. 2 Attach the cassette grid to the filter ring. 3 Push end cover over cassette grid and filter ring.
See figure 3.5 for visual aid.
8 Attach the air intake tubing to the end cover. 9 Turn to page 3-7 and follow the instructions to Auto-Zero the Haz-
Dust IV.
Figure 3-5. Disassembled IOM Sampling Adapter. SKC catalog number 225-70.
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Auto-Zero
Introduction
Auto-Zero
Auto-Zero sets the measurement baseline of the Haz-Dust IV to zero mg/m3. The Auto-Zero check should take place prior to beginning a new set of measurements.
Follow the steps in the table below to Auto-Zero the Haz-Dust IV.
Note:
The battery should be fully charged before beginning the Auto-Zero
process.
Step Action
1 Be sure the appropriate sampling inlet is attached to the sensor
head of the Haz-Dust IV using the table below.
If sampling... Then insert the...
Thoracic Particulates Thoracic sampling inlet Inhalable Particulate SKC IOM and IA-202
sampling inlet
Respirable Particulates SKC GS Cyclone and GSA-
202 sampling inlet
Figure 3-6. Diagram of zeroing filter being inserted into the Thoracic sampling inlet. This procedure is used for both Thoracic and Inhalable dust particles.
Continued on next page
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Auto-Zero, Continued
2 Insert the Zeroing Filter using the table below.
Thoracic Particulates
Inhalable Particulates
Respirable Particulates
If Sampling... Then...
Insert the zeroing filter into the
(Figure 3.7a)
(Figure 3.7b)
(Figure 3.7c)
Thoracic sampling inlet. Insert the zeroing filter (p/n ZA­202A) into the front of the IOM front plate refers to figure 3.7b. Insert the zeroing filter into the bottom of the GSA-202. GS-Cyclone adapter.
Figure 3.7a Zeroing filter (p/n ZF-102) being attached to the Thoracic sampling inlet.
Figure 3.7b. Zeroing filter (p/n ZA-202A) being attached to the Inhalable sampling inlet.
Figure 3.7c. Zeroing filter (p/n ZF-102) being attached to GSAS-202 GS-Cyclone adapter.

Continued on next page

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Auto-Zero, Continued
3 4
5 Remove the zeroing filter and begin the sampling process
Select Auto Zero from the Main Menu. Select Auto-Zero.
Result:
Note:
necessary to reestablish the baseline.
Result:
is complete.
described on page 3-10.
The Auto-Zeroing screen appears briefly.
Wait 50 Seconds. The unit automatically executes the steps
The Main Menu is displayed when the auto-zero process
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Sampling
Introduction
Conditions
Once you have selected a Particle Size and completed the Auto-Zero process the Haz-Dust IV is ready to begin sampling.
The following conditions must be met before starting the sampling process.
Condition... For further Information
See Page...
The correct particle size must be selected. 3-2 The correct sampling inlet must be attached. 3-2 The correct date and time must be set. 2-5 The Auto-Zero process must be complete. 3-7 The alarm level must be set if sampling with
2-4
the alarm feature.
Sampling
Follow the steps in the table below to begin dust sampling.
Step Action
1
Select Sample Rate from the Special Functions Menu.
2 Select a sample interval using the table below.
Select... For maximum sampling time of...
1 Second 6 Hours 2 Seconds 12 Hours 10 Seconds 60 Hours
Note: A sample is taken each second and averaged by the sample interval time selected.
3 Choose the memory storage type using the table below.
Erase all previously recorded
To... Select...
Overwrite, then
data points in all locations.
Select Yes to confirm,
Note: Selecting No will cancel sampling process without effecting memory.
Add data points to the next
Continuation.
consecutive location.
Note:
See page 3-13 for explanation of location codes.
Continued on next page
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Sampling, Continued
4 Choose the security level using the table below.
Use the security feature Bypass the Security feature
5 Enter the Security Code of 1209 using the table below.
Increase the value of the selected
Decrease the value of the selected
Select the next digit
6 Attach the belt clip to belt of the worker. 7 Clip the sensor onto the worker’s collar within the OSHA defined
8 Sample and record the data using the table below.
Without the alarm feature With the alarm feature
To... Select...
Yes No, then,
go to step 6.
To... Press...
< >
digit
< >
digit
ENTER
Result: When all digits have been entered the LCD will display
the Sample Record Menu.
breathing zone.
To Sample... Select...
Run Sample/Rec-ALM
Results:
The internal pump is activated and the sampling process begins.
The Data Record Screen is displayed (figure 3.10).
Note: Maximum sampling time is based on the sampling interval selected in step number two.
Figure 3.9. Detachable sensor head attached to workers collar.
Continued on next page
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Sampling, Continued
Loc: 001 EXPOSURE Date: TUE 12-JAN-97 Time: 07:23:38 Conc: T 2.75 mg/m3
Data Record Screen
B
Figure 3.10. The Data Record Screen. The table below describes the diagram details.
Detail Explanation
A Indicates Location Code of data being sampled. A record
B Particulate type being sampled.
C Concentration. A negative number may indicate the baseline of
A
C
should be kept of the site that corresponds to each location code.
Note:
See page 3-13 for explanation of location codes.
T = Thoracic R = Respirable I = Inhalable
the unit is not set to zero and the Auto-Zero process should be performed (page 3-7).
Ending the Sampling process
Press ENTER to stop data collection and return to the Main Menu.
Note:
If the security feature was used during sampling a confirmation screen
will require the security code of 1209 to be entered.
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Custom Correction Factor on HD-1004
Before a SCALE factor can be entered, a gravimetric result must be obtained from the filter contained behind the sensing head. The filter must be preweighed.
Step 1:
Go to Special Functions option by pressing either the down button or the up button until the arrow is opposite Special Functions. Press ENTER button.
Step 2:
Scroll arrow to System Options option and press the ENTER button.
Step 3:
Scroll arrow to Extended Options and press ENTER button.
Step 4:
Scroll arrow to Size Select Option and press ENTER button.
Step 5:
Scroll arrow to Apply Scale Option and press ENTER button.
Step 6:
Scroll arrow to Respirable, Thoracic, or Inhalable Option and press ENTER. The fraction selected depends on the fraction you have sampled and obtained a gravimetric result for. NOTE: To do this for respirable you must have a gravimetric result, obtained by using the IOM with foam and filter.
Step 7:
Default scale of 01.00 will be seen. Enter the SCALE factor required by using the UP, DOWN and ENTER buttons. The screen will now return to the APPLY SCALE screen.
How to Calculate the SCALE Factor:
The TWA result obtained from the filter used during a monitoring exercise is compared against the TWA displayed by the HD-1004 LCD in the REVIEW DATA option.
From the two results a simple calculation is used to obtain the SCALE factor for that sample and atmosphere type.
Run
Review Data Special Functions
Auto-Zero
System Options Date/Time Set Alarm Cancel
Extended Options Sample Rate Erase Memory Cancel
Size Select Battery Status Cancel
Select Apply Scale Restore Default Cancel
Respirable Thoracic Inhalable
* SCALE *
Scale: 01.00
Filter TWA result HD-1004 TWA result
EXAMPLE: Filter TWA was 5 mg/m HD-1004 TWA was 2.5 mg/m3
2.5
Scale factor to be entered for the next sample in the same atmosphere is 02.00
5
=
3 -
= SCALE
3
13
Page 38
Location Codes
Introduction
Maximum location codes
Assigning location codes
The Haz-Dust IV assigns a location code to each sampling sequence. The active location is indicated in the Data Record Screen (figure 3.10).
The Haz-Dust III can store a total of 21,500 data points, which can be distributed into a maximum of 999 locations.
The location code assigned to the site is determined by the memory storage type selected in step number three of the sampling process (page 3-10).
Use the table below to identify the location code being used.
Data storage type selected... The Haz-Dust IIV Assigns...
Continuation
Overwrite
The Next Consecutive Value as the Location Code.
Example:
If data was previously stored in locations #001 and #002 the data being collected will be stored in location #003. 001 as the Location Code and all previously stored data points in all locations are erased.
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Page 39
Reviewing Stored Data
Introduction
LCD display
The Haz-Dust IV provides extensive capabilities for reviewing internally stored data and statistics on the LCD.
The following information is displayed on the LCD.
Display Description
Date Date of sampling. Start Time sampling began. Stop Time sampling was terminated. Time Time of occurrence of reported statistic. MAXIMUM Sample Highest concentration of dust particles. MINIMUM Sample Lowest concentration of dust particles. T.W.A. Time weighted average concentration of dust
Elapsed Elapsed time of the time weighted average. S.T.E.L. Short-term exposure limit.
particles.
Viewing data on the LCD
Follow the steps in the table below to review stored information and statistics. Review the flow chart on page 3-16.
Step Action
1 2
Select Review Data. Select Statistics.
3 Determine your next step using the table below.
Memory holds data points in
Memory has been cleared of
If... Then the...
Review Location Screen
other locations.
appears. The Scanning Memory
all data points.
Screen displays. Go to step 7.
4 Select the Location using the table below.
The Location displayed in the
A different Location
To review... Select...
Review Loc XXX and go to
Review Loc field.
step 7. New Location and continue
to step 5.
Continued on next page
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Page 40
Reviewing Stored Data, Continued
5 Enter the desired Location in the Location Select Screen using the
table below (figure 3-11).
Increase the value of the selected digit. Decrease the value of the selected digit. Select the next digit or field.
6
7 The first of five statistics screen appears when data is computed.
To... Press...
Press ENTER when the desired location code has been entered.
Result:
being reviewed for the first time scrolling dots will appear indicating the microprocessor is computing data.
Scroll through the statistics screens using the table below.
The Scanning Memory Screen displays. If the location is
Press... To Scroll...
< > < >
Forward through the statistic screens. Backward through the statistic screens.
< > < > ENTER
** Location Select ** Range: 001 thru 002 Loc: 002
Figure 3-11. Location Select Screen. Range: indicates number of location files stored in memory. Loc: indicates location code being reviewed.
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Chapter 4 – DustComm Pro V.1.2
Page 42
Introduction to the DustComm Software
Introduction
Spreadsheet applications
Data plots
DustComm is a powerful and flexible Windows application software package designed for use with the Haz-Dust Particulate Monitoring Equipment.
DustComm is both communications software that enables stored project data to be downloaded to a PC, and a data manipulation tool, enabling detailed analysis and reporting of sampled data.
DustComm easily translates data into spreadsheet ASCII text files. These files can be open into spreadsheet programs such as Microsoft Excel
The data plots provided with DustComm enable:
Detailed statistical analysis.
The creation of graphics and charts.
The mathematical correction of particle characteristics when aerosol
significantly differs from calibration dust.
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Page 43
Installing DustComm
Introduction
Minimum system requirements
Software installation
DustComm installation is easy and quick, the entire process should take less than 5 minutes.
Windows ME or Higher. 4 MB available disk space. 8 MB RAM.
Follow the steps in the table below to install DustComm.
Note:
It is assumed that the CD-Rom Drive is the “D” Drive. Substitute D
with the appropriate drive letter if necessary.
Step Action
1 Start Windows. 2 Close all open applications. 3 Insert Installation Disk into the D drive. 4 Open My Computer 5 Select the folder named “DustComm V1.2” and double click to
enter. 6 Select the icon named “Setup” and double click. See Figure1. 7 Follow the installation wizard steps.
Figure 1: DustComm Software Folder with “Setup” Selected in Windows XP.
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Loading the DustComm Software
Windows ME
Windows NT, 2000 & XP
Follow the steps in the table below to load the DustComm software if using Windows ME.
Step Action
1 Select the Start Menu. 2 Select Programs. 3 Select the folder EDC DustComm Pro 1.2 4 Select DustComm Pro 1.2
Follow the steps in the table below to load the DustComm Software if using Windows NT, 2000 & XP.
Step Action
1 Double Click on the icon on your desktop.
NOTE: If shortcut icon does not appear on desktop follow the steps for Windows ME.
Figure 2. DustComm Screen immediately after loading software.
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d
Menu Selections
Introduction
Figures 3 through 5 show each of the DustComm menu options.
Note:
If a menu option is displayed in light type it is not available during the
current task.
Opens Saved Files
Saves Current Open Files if changed Saves Current Open Files, that have not yet been saved
Closes Open Files
Saves Current Open Files as a text file, so that you can open the data up in a spreadsheet
Exits the entire Program
Figure 3. File Menu Options.
Downloads Instrument
Figure 4. Unit Menu Options.
Selects Instrument and Com Port that you want to downloa
Write Notes about the Open File
Print Current Open Location
Figure 5. Location Menu Options.
Figure 6. Plot Menu Options.
Figure 7. Help Menu Options.
Review the data in a statistical graph that was previously saved
Register the DustComm Software and Instrument
Information about DustComm Pro 1.2
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File Menu Commands
Introduction
Opening an existing project folder
Saving a project folder
Use the File Menu option to open, save, print, close and export sampled data. You can also use the File Menu to Exit the DustComm Pro Software
Notes:
Data is sorted by time collected.
Data points are reported in mg/m
Follow the steps in the table below to retrieve stored project data.
NOTE: A sample .dcm file is preloaded for review of software options.
Step Action
1 2
Select File.
Select Open. 3 Double click on the desired Project Folder.
Note:
DustComm will save all files in My Documents, or user
selected folder.
Follow the steps in the table below to store project data.
Step Action
1 2
Select File.
If... Then Select...
Saving the data in the project
folder for the first time, or,
Saving an existing folder to a
new name or location.
Saving an updated version of an
existing project folder to the same file name and location.
Result:
file name is displayed in the title bar. Only with Save As with the data have a new file name and location if selected.
3
.
1. Save As, then,
2. Type a file name for the project file.
3. Select OK.
Save
The data is saved in the new project folder and the new
Continued on next page
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File Menu Commands, Continued
Exit software
Exit Communication Software in one of two ways.
Option
number
1
Or
2 Single click on the “X” in the upper right hand corner of the
1. Select File.
2. Select Exit.
screen.
Action
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Page 48
Downloading Data
Introduction
Downloading data
Connect the cable
Preparing the PC
Internally stored data can be downloaded to DustComm for detailed analysis.
The three major steps used to download data from the EDC dust-monitoring unit to a PC are listed below and detailed in the next few pages.
1. Connect the cable.
2. Prepare the PC for data transmission.
3. Prepare the EDC dust-monitoring unit for data transmission.
Follow the steps in the table below to connect the cable for data transmission.
Step Action
1 Connect one end of the supplied RS232 cable to the EDC dust-
monitoring unit.
Note:
serial to USB adapter.
2 Connect the other end of the RS232 cable to the appropriate
COMM port on the PC.
Note:
connection can disrupt data transmission.
Follow the steps in the table below to prepare the PC for data transmission.
Note:
Multiple locations will be separated by tabs at the bottom of the
program.
Step Action
1 Open DustComm. 2 3
Select Unit and Select Properties. Under the Properties selection choose your unit and the Com Port that you want to connect. Press Ok when you are finished
4
Select Unit and Select Download.
5 When the items above are finished you should see the download
box appear.
If USB compatibility needed you will need to purchase a
Check that both connections are secure. An intermittent
Continued on next page
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Downloading Data, Continued
Preparing the unit.
Follow the steps in the table below to prepare the EDC unit for data transmission.
Step Action
1
Select Playback or Review Data (depending on your instrument)
from the Main Menu on the unit. 2 3 4
Select Download.
Select To Dust Data Collector.
Press ENTER.
Result:
The Transmitting window appears.
Note:
Bars on the PC screen should increase as the unit
downloads. 5 When the transmission is complete...
The To Dust Data Collector selection screen is displayed on
the units monitor. The unit may be shut off at this time.
The downloaded data is displayed in the Project Folder on the
PC. (Figure 8).
Figure 8. Project File after data has been transmitted.
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DustComm Pro Window
Introduction
Each section of the DustComm Pro Window will explain a different part of the statistics.
Location Information
Dataset Information
The Location information will give you general details about the downloading statistics. Such as date, time, start/stop time, data rate, duration, how many samples where downloaded and the unit. There is also box so that you can name the location and a shortcut to type in any notes you would like to add.
Figure 9. Location Information section of the DustComm Pro Window.
The Dataset Information will tell you more specific information about the downloaded statistics. Such as type of data, the average, the Max/Min Sample and the Max STEL.
Figure 10. Dataset Information section of the DustComm Pro Window.

Continued on the next page

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DustComm Pro Window, Continued
Dataset Scale Factor
Quick Plot
The dataset scale factor section of the DustComm Pro Window, is so that you can adjust the scale to be equal to your specific type of dust. You can read more about adjusting the scale factor on page15.
Figure 11. Dataset scale factor section of the DustComm Pro Window.
The Quick Plot graph shows you a miniature version of the Full Plot. The Full Plot button is located directly below Quick Plot can you can read more about Full Plot on pages11-14.
Figure 12. Quick Plot & Full Plot Button on the DustComm Pro Window.
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DustComm Pro Window, Continued
Location Data
The location data section shows you the milligrams per cubic meter you sampled for and the times that they were sampled at.
Figure 13. Location Data on the DustComm Pro Window.
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Translating Data to an ASCII Text File
Introduction
Translating data
Project Data must be translated into ASCII text format before it can be read by a spreadsheet application.
Follow the steps in the table below to Translate Project Data into ASCII Text format.
Note:
A Project Folder must be open to access the translate feature.
Step Action
1 2 Select Export. 3 An “Export Locations” Window will appear. Select either All for
4 An “Export To…” Window will appear. Type in the name that
6 When you are ready to open the data in a spreadsheet application.
Select File from the Main Menu.
all locations or select the range of locations you would like to export. Click OK when you have selected your locations.
you would like to call your exported data and click Save.
Open the spreadsheet program go to the Open menu, select all files under type of file name and double click on the file you want to review. This will result in your saved data opening in your spreadsheet program.
Figure 14. Exported Excel information.
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Generating a Plot
Introduction
Generating a graph
A graph can be plotted with full plot located at the bottom of the DustComm Pro Window.
Follow the steps in the table below to generate a graph using the DustComm Plot menu selections.
Step Action
1 2
3 The result is graph will be plotted to the screen (see figure 15
Select Plot. Select Review. This option is for graphs that have already been saved.
Note: For new statistics click on the “Full Plot” Icon on the DustComm Pro Window.
below).
Continued on next page
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Data Plot Menu Selections
Introduction
At the top of the data plot will be a button bar. Below is an explanation of what each button does.
Number Function
1 Saves plotted information as a DustComm Pro Chart (*.dcc). 2 Copies plot to a bitmap file. 3 Edits the title of the plot. 4 Page Setup Properties. 5 Prints the current plot. 6 Zooms into plot. By Highlighting from point to point that you want
zoomed in on. 7 Returns to full screen of plot. 8 Adds or removes vertical lines. 9 Adds or removes horizontal lines.
10 Select the specific type of graph, i.e. bar or line graphs. 11 Changes color of the graph.
111098 7 6 5 4 3 2 1
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Data Plot Menu Selections, Continued
Number Function
1 Pointer tool. 2 Insert Squares. 3 Insert Ovals. 4 Insert arrows. 5 Insert arched lines. 6 Insert a picture. Choose the size of your picture and then right
click on the box and select properties. Select the picture tab and
select picture. The picture you chose will appear in the box. 7 Insert a text box. 8 Insert a callouts with text. 9 Change the color of your squares, ovals, text boxes and callouts.
10 Change the color of the text in your text boxes and callouts. 11 Copy squares, ovals, text boxes and callouts. 12 Paste squares, ovals, text boxes and callouts. 13 Bring squares, ovals, text boxes and callouts to front. 14 Send squares, ovals, text boxes and callouts to the back. 15 Group squares, ovals, text boxes and callouts. 16 Ungroup squares, ovals, text boxes and callouts. 17 18 Flip over up and down squares, ovals, text boxes and callouts. 19 Rotate squares, ovals, text boxes and callouts clockwise. 20 Rotate squares, ovals, text boxes and callouts counterclockwise. 21 Properties of selected squares, ovals, text boxes and callouts.
Flip over left to right squares, ovals, text boxes and callouts.
15 16 17 18 2120 19141312111098 7 6 5 4 3 2 1
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Editing Title
Introduction
Editing the title
A customized title can be added to a graph before printing.
Follow the steps in the table below to add a title to the graph.
Step Action
1 Have location plotted already. 2
Select the Edit Title button on the menu bar.
3 A Window will appear where you can edit the title for what you
would like its name to be.
4
Select OK when the correct title is in the box.
Result:
The graph will be created with the new caption.
Figure 16. Edit Title Window.
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Page 58
Applying a Correction Factor
Introduction
Calculating a correction factor
Applying a correction factor
A correction factor can be applied to the data collected with the EDC unit to account for variances in gravimetric readings.
The correction factor is calculated by dividing the Gravimetric reading by the EDC unit reading.
Follow the steps in the table below to apply a correction factor to all data points in the current project folder.
Step Action
1
Select the 2nd Scale= with a box where you can type in your scale
factor. 2 Type in the Scale factor. 3 After the scale factor is entered press enter.
Result:
All data points in the project folder have been multiplied
by the correction factor.
Removing the correction factor
Follow the steps in the table below to remove the correction factor from the data points in the project folder.
Step Action
1
Select the 1st Scale= under the Dataset Scale Factor.
Result:
Data points should return to original state.
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Inability to Download Data to PC
Introduction
If DustComm Software installs properly but downloading instrument to computer is unsuccessful try the following:
Ensure that the RS232 cable connectors from the PC are tightly
screwed into place.
Ensure that the communications settings are set appropriately in the
Download Properties screen of the DustComm program. Select Unit, Properties to access this dialog box. The communications port must be set to the appropriate Com Port used on the PC.
If you are experiencing problems downloading your unit’s results to
your PC, and the RS232 cable connectors are secured tightly, your cable may be connected to the wrong 9-pin port on your PC. If your PC has more than one 9-pin connection port, attach the cable to another 9-pin port and try to download the dust monitor’s results at that port. You may need to try all of your PC’s 9-pin ports before finding the correct connection.
If the previous steps check out, try using the Windows supplied
HyperTerminal or other appropriately configured communications software to receive data when downloading from the Haz-Dust Monitor.
If using a USB port, make sure you are using the proper USB to serial
adapter.
For service or Technical Questions please call 800-234-2589 or e-mail techsupport@hazdust.com
Page 60
Chapter 5 - Maintenance
Page 61
Chapter Overview
Introduction
In this chapter
This chapter covers the maintenance procedures for the Haz-Dust IV.
This chapter contains the following topics.
Checking the Calibration Span. 5-2 Checking the Flow Rate. 5-5 Adjusting the Flow Rate. 5-7 Battery Maintenance. 5-8 Cleaning the Sensor Optics. 5-12
Chapter 5
Maintenance
Topic See Page
5 -
1
Page 62
Checking the Calibration Span
Introduction
When to check the calibration span
The Calibration Reference is a light scattering device that provides a constant value (termed a “k” factor).
The Calibration Reference should be used as a reference to check factory calibration span of the Haz-Dust IV.
The calibration span should be checked under the following conditions:
Once a month with normal usage.
If the Haz-Dust IV is dropped or otherwise damaged.
The first time you use the unit to double check the factory calibration.
Note
: The Haz-Dust IV should be sent into EDC annually for recalibration.
Conditions
The following conditions must be met before checking the calibration span.
Condition... For further information
see page...
The Sensor Optics must be clean. 5-11 The Environment must be clean. --­The Battery must be fully charged. 5-7
Figure 5-1. Diagram of the Haz-Dust IV showing the locating pin on the calibration reference.
Continued on next page
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Page 63
Checking the Calibration Span, Continued
Checking Calibration Span
Follow the steps in the table below to check the Calibration Span of the Haz­Dust IV.
Note:
Failure to follow this procedure in its entirety may cause an incorrect
“k” value reading.
Step Action
1 Insert the Thoracic sampling inlet into the sensor head of the Haz-
Dust IV. 2 Attach the filter cassette to the sensor of the Haz-Dust IV. 3 Attach the air intake hose to the filter cassette. 4 Put the Haz-Dust IV into Respirable mode using the steps below.
4-1 4-2 4-3 4-4 4-5
Step Action
Select Special Functions from the Main Menu. Select System Options. Select Extended Options. Select Size Select. Select Respirable.
Result:
The Main Menu is displayed and the Haz-
Dust IV is in Respirable mode.
5 Activate the internal pump using the steps in the table below.
5-1 5-2 5-3 5-4 5-5 5-6
Step Action
Select Sample/Record from the Main Menu. Select 1 Second. Select Overwrite. Select Yes. Select No. Select Sample/Rec and allow the Haz-Dust IV to
run for at least 2 minutes to stabilize.
Result:
5-7
Press ENTER after at least two minutes to stop the
The internal sampling pump is activated.
sampling process.
Continued on next page
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Page 64
Checking the Calibration Span, Continued
6 Perform the Auto-Zero process using the steps in the table below.
6-1 Insert the zeroing filter into the Thoracic sampling inlet. 6-2 6-3 6-4 6-5
6-6
7 Remove the Thoracic sampling inlet from the sensor head. 8 Disconnect the air intake tubing. 9 Insert the calibration reference into the sensor head (see diagram
10 Activate the internal sampling pump again by repeating the
11 Observe the printed “k” value on the calibration reference.
The numbers agree
The two numbers
Step Action
Select Special Functions from the Main Menu. Select System Options. Select Extended Options. Select Auto-Zero. Result: The Auto-Zeroing screen appears briefly. Select Auto-Zero.
Results:
The Auto-Zeroing screen appears during the auto-
The Main Menu is displayed when the Auto-Zero
5-1 on page 5-2).
Note:
Be sure the locating pin on the calibration reference slides
into the locating hole on the sensor head.
process described in step number five on page 5-3. Skip step
number 5-7 and leave the sampling pump running.
Note:
The printed “k” value should match the concentration value shown on the Haz-Dust IV LCD to within + Note: If the CS-103 is purchased as an after market accessory or from SKC, Inc., then the user must assign a “k” value.
IF THEN
within +
do not agree within +
10%.
10%
zero process.
process is complete.
The Haz-Dust IV has passed the span check test.
1. Repeat the process to rule out error,
2. Call EDC technical support or
10%.
then
return the Haz-Dust IV for recalibration.
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Checking the Flow Rate
Introduction
Checking the flow rate
It is good technique to check the flow rate every time a new gravimetric filter is used for sampling.
Use the steps in the table below to check the flow rate.
Notes:
If sampling Thoracic or Inhalable particulates make sure the Thoracic
If sampling Respirable particulates make sure the Respirable sampling
sampling inlet is attached to the sensor head.
inlet is attached to the sensor head.
Step Action
1 Attach your airflow calibrator to the Haz-Dust IV using the table
below.
Thoracic or
Respirable
If sampling... Then...
Inhalable Particulates
Particulates
1. Attach one end of the calibration airflow tubing to the Thoracic sampling inlet.
2. Connect the other end of the calibration airflow tubing to your airflow calibrator.
1. Insert GS-Cyclone into cover of calibration chamber. Screw cover on tight.
2. Attach airflow calibrator to 90 fitting. Attach Haz-Dust IV sensor to tygon tubing. See figure 5.2a. Consult calibration chamber instructions, p/n CH-103, for further detail.
° nylon
Figure 5-2a. Haz-Dust IV sensor connected to CH-103 calibration chamber.
Continued on next page
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Page 66
Checking the Flow Rate, Continued
2 Activate the internal sampling pump using the steps below.
1 2 3 4 5 6
3 Observe the flow rate on your air flow calibrator.
The flow rate is 2.75 LPM. The flow rate is properly
The flow rate is not 2.75
Using the Thoracic inlet
The flow rate is not 2.0
Using the Inhalable inlet
The Flow rate is not 2.0
Step Action
Select Sample/Record from the Main Menu Select 1 Second. Select Overwrite. Select Yes. Select No. Select Sample/Rec and allow the Haz-Dust IV to
run for at least two minutes to stabilize.
If... Then...
LPM.
NOTE: The GS-3 Cyclone is an optional accessory for the Haz­Dust IV. Its optimal flow rate is 2.75 LPM. The GS-1 Cyclone may be used, however, its optimal flow rate of 2.0 LPM to a 4µm respirable cut point.
and the flow rate is 2.0 LPM.
LPM.
the flow rate is 2.0 LPM.
LPM.
calibrated. Detach the airflow calibrator tubing and continue with the “Selecting the Particle Size” process. The flow rate must be adjusted. See page 5-7 for instructions.
The flow rate is properly calibrated. Detach the airflow calibrator tubing and continue with the “Selecting the Particle Size” process. The flow rate must be adjusted. See page 5-7 for instructions.
The flow rate is properly calibrated. Detach the airflow calibrator tubing and continue with the “Selecting the Particle Size” process. The rate must be adjusted. See page 5-7 for instructions.
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Adjusting the Flow Rate
Introduction
Adjusting the flow rate
The flow rate must be adjusted when it does not equal:
2.75 LPM for 25-mm cyclone Respirable Inlet
2.0 LPM for Thoracic Inlet
2.0 LPM for Inhalable Inlet
Follow the steps in the table below to adjust the flow rate.
1 Locate the adjustment screw on the bottom of the Haz-Dust IV
next to the charging jack.
2 Use the flow adjustment screw to adjust the flow rate.
Decrease the flow rate Counterclockwise Increase the flow rate Clockwise
3 Record the Flow Rate. 4 Detach the airflow calibrator and calibration airflow tubing. 5 Continue with the “Selecting the Particle Size” process.
To... Turn the adjustment screw...
5 -
7
Page 68
Battery Maintenance
Introduction
Checking the Battery
The battery pack is a 6.0 V NiMH rechargeable battery that can hold a charge for up to 8 hours. It is important to check the battery periodically and recharge when necessary.
The battery status can be checked using the menu options on the Haz-Dust IV. Use the following menu options to check the battery.
Step Action
1 2 3 4
Select Special Functions from the Main Menu. Select Systems Options. Select Extended Options. Select Battery Status.
Result:
the unit’s battery in VDC.
5
6.2 VDC or higher The battery is fully charged.
6.2 VDC or lower The battery must be recharged.
The Battery Level Screen displays the charging level of
If the charge level is... Then...
See instructions on page 5-9.
Continued on next page
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Page 69
Battery Maintenance, Continued
Recharging the battery
Follow the steps in the table below to recharge the battery using the supplied charger.
Note:
If the battery is low the sampling process will terminate and the low
battery screen will display.
Step Action
1 Plug the battery charger into an electrical outlet. 2 Plug the battery charger into the battery charge jack on the back of
the battery plate.
Results:
The battery charge begins.
If the unit is off there will be no visible indication of the
Note:
be powered off when charging. If battery does not hold a charge for 8 hours, charge time can be increased to 24 hours. Typical lifetime of battery is 18 to 24 months. Batteries are warranty for 90 days upon receipt of shipment.
charge.
Recharging time is approximately 16 hours, and unit must
CAUTION: Do not charge in a hazardous environment. Use only
the EDC approved charger designed for the Haz-Dust IV.
Continued on next page
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Battery Maintenance, Continued
Removing and replacing the battery pack
Removing the battery
The battery pack can be removed and replaced whenever necessary.
Note:
The battery of the Haz-Dust IV can be recharged while either inside or
outside of the instrument.
Follow the steps in the table below to remove the battery pack.
Step Action
1 Remove the two thumbscrews from the back plate of the Haz-Dust
IV.
Note:
Screws are located under the waist belt. 2 Slide the battery plate out of the unit. 3 Unplug the nylon connector from its mating plug.
Note: The battery pack is attached to the battery plate with a retaining bracket. The battery is not removable from the plate. Replacement batteries will come mounted on battery plates for easy replacement.
Continued on next page
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Battery Maintenance, Continued
Reinstalling the battery
Follow the steps in the table below to reinstall the battery pack.
Step Action
2 Plug the nylon connector into its mating plug. 3 Slide the battery in the appropriate orientation into the battery
cavity of the unit.
4 Insert the two thumbscrews to secure the battery pack in place.
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Cleaning the Sensor Optics
Introduction
Cleaning the Sensor Optics
It is important to keep the sensor optics of the Haz-Dust IV clean to ensure the integrity of the optical sensor.
The sensor optics need to be checked every 48 hours when used in a 2 to 3 mg/m
3
T.W.A. environment, and on a weekly or monthly basis in less
contaminated locations.
Follow the steps in the table below to clean the sensor optics.
Figure 5-2. Picture of the cleaning kit.
Continued on next page
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Page 73
Cleaning the Sensor Optics, Continued
Step Action
1 Remove the three thumbscrews from the sensor cover. 2 Remove the sensor cover. 3 Remove the sampling head from the bottom of the sensor. 4 Inspect the sensor cover for residual dust.
Note:
Use one of the following methods to clean the surface.
Blow the dust away with low pressure air, or,
Wipe with a soft lint-free cloth.
5 Inspect the glass lens covers for dust.
Note:
Use one of the following methods to clean the glass lens.
Blow the dust away with low pressure air, or,
Use a small amount of isopropyl alcohol and wipe with cotton
swabs.
CAUTION: Do not spill any alcohol into the internals of the Haz-Dust IV.
6 Replace the sampling head. 7 Replace the sensor cover. 8 Tighten the three thumbscrews snugly into place.
Continued on next page
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Cleaning the Sensor Optics, Continued
Figure 5-3. Removing the sensor cover.
Figure 5-4. Dust being removed with low pressure air.
Figure 5-5. Isopropyl alcohol being applied to cotton swab.
Figure 5-6. Sensor head being cleaned with cotton swab.
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Appendix
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Appendix A
NIOSH/OSHA Particulate Air Monitoring Reference
Dust/Hazard Agency Reference TWA STEL
alpha-Alumina (Respirable fraction) OSHA CIM 5 mg/m3 alpha-Alumina (Total dust) OSHA CIM 15 mg/m3 Aluminum, Pyro powders OSHA CIM * Aluminum (Respirable fraction) 5 mg/m3 Ammonium nitrate OSHA CIM * Ammonium sulfamate (Respirable dust) OSHA CIM 5 mg/m3 Ammonium sulfamate (Total dust) OSHA CIM 15 mg/m3 Ammonium sulfamate (Total dust) OSHA ID 188 15 mg/m3 Bismuth telluride, Se-Doped OSHA ID 121 5 mg/m3 Bismuth telluride, Undoped (Respirable dust) OSHA ID 121 5 mg/m3 Bismuth telluride, Undoped (Total dust) OSHA CIM 15 mg/m3 Boron oxide (Total dust) OSHA ID 125G 15 mg/m3 Boron oxide (Total dust) (Particulates, Total) NIOSH 0500 10 mg/m3 Carbon black NIOSH 5000 3.5 mg/m3 Carbon black OSHA ID 196 3.5 mg/m3 Chromium, Metal & Insol cpds OSHA ID 121 1 mg/m3 Chromium, Metal & Insol cpds OSHA ID 125 1 mg/m3 Chrysene OSHA 58 0.2 mg/m3 Coal dust (<than 5% SiO2) OSHA CIM 2.4 mg/m3 Coal dust (>than 5% SiO2) OSHA ID 142 10 mg/m3 Coal tar pitch volatiles OSHA 58 0.2 mg/m3 Copper dust NIOSH 7029 1 mg/m3 Copper, Dusts & Mists OSHA ID 125G 1 mg/m3 Copper, Dusts & Mists OSHA ID 121 1 mg/m3 Copper (Elements) NIOSH 7300 1 mg/m3 Copper fume NIOSH 7029 0.1 mg/m3 Copper fume OSHA ID 121 0.1 mg/m3 Copper fume OSHA ID 125G 0.1 mg/m3 Cotton dust (Raw) OSHA CIM 1 mg/m3 * Refer to Agency Method
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NIOSH/OSHA Particulate Air Monitoring Reference, Continued
Dust/Hazard Agency Reference TWA STEL
Crag herbicide (Respirable dust) OSHA CIM 5 mg/m3 Crag herbicide (Total dust) NIOSH 5(S356) 10 mg/m3 Crag herbicide (Total dust) OSHA CIM 15 mg/m3 Cresol, All isomers NIOSH 2546 10 mg/m3 Cresol, All isomers OSHA 32 15 mg/m3 Cyanide (as Cn) OSHA ID 120 5 mg/m3 Fluorides (Aerosol & Gas) NIOSH 7902 2.5 mg/m3 5.0 (HF) Glass, Fibrous dust OSHA CIM * Glycerin mist (Particulates) NIOSH 0600 * Glycerin mist (Respirable) OSHA CIM 5 mg/m3 Glycerin mist (Total dust) OSHA CIM 15 mg/m3 Grain dust (Oats, Wheat & Barely) OSHA CIM 10 mg/m3 Graphite, Synthetic (Respirable dust) OSHA CIM 5 mg/m3 Graphite, Synthetic (Total dust) OSHA CIM 15 mg/m3 Iodine (Particulates) OSHA ID 212 * 0.1 Kaolin (Respirable dust) OSHA CIM 5 mg/m3 Kaolin (Total dust) OSHA CIM 15 mg/m3 Lead NIOSH 7082 <0.1 mg/m3 Lead NIOSH 7105 <0.1 mg/m3 Lead NIOSH 7700 <0.1 mg/m3 Lead (Elements) NIOSH 7300 <0.1 mg/m3 Lead, Inorganic fumes & dusts (as Pb) OSHA ID 121 0.05 mg/m3 Lithium (Elements) NIOSH 7300 * Lithium hydride OSHA CIM Magnesium oxide fume (Total dust) OSHA ID 121 15 mg/m3 Manganese (Elements) NIOSH 7300 1 mg/m3 3 mg/m3 Manganese fume (as Mn) OSHA ID 121 * 5 mg/m3 Methoxychlor (Total Dust) OSHA CIM 15 mg/m3 Oil mist (Mineral) OSHA ID 128 5 mg/m3 Oil mist (Mineral) OSHA ID 178SG 5 mg/m3 Oil mist (Vegetable) (see Dust, Total and Respirable nuisance) Pentaerythritol (Total dust) OSHA CIM 15 mg/m3 Pentaerytritol (Respirable dust) OSHA CIM 5 mg/m3
25 µg/m3
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NIOSH/OSHA Particulate Air Monitoring Reference, Continued
Dust/Hazard Agency Reference TWA STEL
Picloram (Tordon), Respirable dust OSHA CIM 5 mg/m3 Picloram (Tordon), Total dust OSHA CIM 15 mg/m3 Plaster of Paris (see Dust, Respirable nuisance) Portland cement (Respirable dust) OSHA ID 142 5 mg/m3 Portland cement (Total dust) OSHA ID 142 15 mg/m3 Respirable nuisance OSHA CIM 5.0 mg/m3 Respirable nuisance (Particulates) NIOSH 0600 * Total nuisance OSHA CIM 15 mg/m3 Total nuisance (Particulates) NIOSH 0500 10 mg/m3 Rouge (Respirable dust) OSHA CIM 5 mg/m3 Rouge (Total dust) OSHA CIM 15 mg/m3 Silica, Amorphous OSHA CIM 20 mppcf Silica, Crystalline tripoli, Respirable dust OSHA ID 142 0.05 mg/m3 Silicon carbide (Respirable dust) OSHA CIM 5 mg/m3 Silicon carbide (Total dust) OSHA CIM 15 mg/m3 Silicon (Respirable dust) OSHA CIM 5 mg/m3 Silicon (Total dust) OSHA CIM 15 mg/m3 Soapstone (Respirable dust) OSHA CIM 20 mppcf Soapstone (Total dust) OSHA CIM 6 mg/m3 Wood dust (except Western red cedar) OSHA CIM * Wood dust (Western red cedar) OSHA CIM 2.5 mg/m3 Zinc bromide (see Dust, Total and Nuisance) * Zinc oxide dust (see Dust, Total & Respirable) Zinc oxide fume OSHA ID 121 5 mg/m3 Zinc oxide fume OSHA ID 125 5 mg/m3 Zinc oxide fume OSHA ID 143 5 mg/m3 Zinc stearate (Respirable dust) OSHA CIM 5 mg/m3 Zinc stearate (Total dust) OSHA ID 121 15 mg/m3 Zinc stearate (Total dust) OSHA ID 125 15 mg/m3 Zirconium cpds (as Zr) OSHA ID 121 5 mg/m3
OSHA CIM
OSHA CIM
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Introduction
Particle
Aerodynamic
Diameter (µm)
0 100 1 97 2 94
5 87 10 77 20 65 30 58 40 54.5 50 52.5
100 50
Appendix B
Particle Size Selections
The tables below show the particle size cut point for Thoracic, Inhalable, and Respirable dust particles.
Respirable
Inhalable
Inhalable
Particulate Mass
(IPM) (%)
Particle
Aerodynamic
Diameter (µm)
0 100 1 97 2 91 3 74 4 50 5 30 6 17 7 9 8 5
10 1
Thoracic
Particle
Aerodynamic
Diameter (µm)
0 100 2 94 4 89 6 80.5
8 67 10 50* 12 35 14 23 16 15 18 9.5 20 6 25 2
* Same cut point as EPA PM-10.
Respirable
Particulate Mass
(RPM) (%)
Thoracic
Particulate Mass
(TPM) (%)
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Appendix C
Glossary of Terms
Term Definition/Standard
µm ARD Arizona Road Dust Inhalable Dust Particulates LPM Liters per minute. mg/m3 Milligrams per cubic meter. NIOSH National Institute of Occupational Safety & Health OSHA Occupational Safety & Health Administration. Respirable Dust Particulates STEL Short-term exposure level. Maximum dust
Thoracic Particulates TWA Time Weighted Average. Average particulate
Micron, 1/1000 of a meter.
Particulates having a 50% cut point at 100µm.
Particulates having a 50% cut point at 3.5µm.
concentration over a 15 minute period. Particulates having a 50% cut point at 10µm.
concentration over a period of time.
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Page 81
Overview
Introduction
Accessory and part number
Accessories may be purchased separately for the Haz-Dust IV.
Use the part number from the table below to order Haz-Dust IV accessories.
110 V BC-104-110 220 V BC-104-220 37 mm Opaque Filter Cassette Blanks CAS-103
5.0 µm PVC 37 mm Filter Battery Pack BP-104 Calibration Reference CS-103 Calibration Chamber CH-103 Cleaning Kit KK-101 Computer Interface Cable CC-102 Durable Carrying Case DCC-104 Flow Meter FM-103 HD-1003 Media CD-Rom Includes: Computer Software and Instructions Manual IOM Sensor Inlet IS-104 Respirable Dust Cyclone Inlet RS-103 Thoracic Sample Inlet TS-103 Tripod Stand TP-104 Zeroing Filter ZF-102
Appendix D
Haz-Dust IV Accessories
Accessory Part Number
225-806
CD-104
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