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Met One E-BAM Operation Manual

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Met One Instruments, Inc.
1600 NW Washington Blvd.
Grants Pass, OR 97526
Telephone: (541) 471-7111
Facsimile: (541) 471-7116
www.metone.com
E-BAM Particulate Monitor Operation Manual
worldwide. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated
into any other language in any form without the written permission of Met One Instruments, Inc.
E-BAM
P
ARTICULATE
O
PERATION
E-BAM-9805 R
- © Copyright 2019 Met One Instruments, Inc. All Rights Reserved
M
ONITOR
M
ANUAL
B
EV

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Summary of Contents for Met One E-BAM

  • Page 1 - © Copyright 2019 Met One Instruments, Inc. All Rights Reserved worldwide. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any other language in any form without the written permission of Met One Instruments, Inc.
  • Page 2 E-BAM-9805 Manual Rev B.docx Page 2...

  • Page 3: Table Of Contents

    Table of Contents INTRODUCTION About This Manual ......................6 Technical Service ......................6 E-BAM: Environmental Beta Attenuation Monitor ............. 6 Beta Radiation Safety Statement ..................7 E-BAM Specifications ....................... 8 E-BAM INSTALLATION AND COMMISSIONING Unpacking ........................9 Accessories ........................9 Assembling the E-BAM ....................
  • Page 4 Relative Humidity Sensor Audit ..................50 5.10.3 Upper and Lower Pressure Sensors Audit ..............51 5.11 E-BAM Error Displays, Error Logs, and Error Codes............52 5.12 E-BAM Hardware Failure Screen ................... 53 5.12.1 Sensor Out of Range Event ................... 53 E-BAM-9805 Manual Rev B.docx...
  • Page 5 User Communication ...................... 58 6.4.2 Computer Communication ....................59 ACCESSORIES and PARTS Consumables, Replacement Parts, and Accessories ............. 60 SPECIAL E-BAM CONFIGURATIONS Wind Sensor Options ..................... 64 8.1.1 EX2-034B ........................64 8.1.2 EX2-AIO ......................... 64 E-BAM-9805 Manual Rev B.docx Page 5...

  • Page 6: Introduction

    This document is organized with the most important information toward the front of the manual, such as site selection, installation, setups, and field calibrations, which all E-BAM owners and operators should read and understand. Toward the back are sections that provide in-depth information on subjects such as theory, diagnostics, accessories, and alternate settings.

  • Page 7: Beta Radiation Safety Statement

    The nominal activity of the source is 60 microcuries, which is below the “Exempt Concentration Limit” as defined in 10 CFR Section 30.71 – Schedule B. The owner of an E-BAM is not required to obtain any license in the United States to own or operate the unit. The owner of an E-BAM may...

  • Page 8: E-Bam Specifications

    † The hourly detection limit is defined as twice the standard deviation of the hourly zero noise of the instrument. The 24-hour detection limit is defined as the hourly detection limit divided by the square root of 24 (approximately 4.9). E-BAM-9805 Manual Rev B.docx Page 8...

  • Page 9: Bam Installation And Commissioning

    Do not ship or transport the E-BAM with filter tape installed. Please keep all special shipping items (box, foam packing material, etc.) used to ship the E-BAM. They should be re-used if the monitor is transported (changing site locations, returning to the factory, etc.).

  • Page 10: Assembling The E-Bam

    2. Install the E-BAM onto the tripod: Lift the E-BAM assembly and slide the slot on the back of the E-BAM over the tab on the top of the tripod. Insert the supplied ¼- 20 bolt through the tab on the bottom of the E-BAM and through the hole in the body of the tripod (see Figure 2-2).
  • Page 11 4. Install 597A Sensor: Connect the 597A sensor to the post on the back of the tripod with the supplied mounting hardware (user supplied 7/16” wrench required). The 597A sensor should face away from the E-BAM as shown in Figure 2-3. Verify configuration after power- up as detailed in section 2.7.1.
  • Page 12 ¾” fitting and set screws and then install the sensor at end of the arm as suggested in Figure 2-4. The wind sensor should be as far from the E-BAM unit as possible, and the wind vane must be able to rotate fully without hitting anything. Plug the wind sensor into the corresponding connector on the bottom of the E-BAM.

  • Page 13: Electrical Connections

    Figure 2-5 E-BAM Connectors 2.5 Power-up and Automatic Operation The E-BAM is designed to turn on automatically when power is applied. It will provide options to start immediately or enter the setup menus. If START NOW is selected, ensure shipping device is removed.

  • Page 14: Power-Up Settings Verification And Automatic Self-Test

    Press OK if the settings are correct, after confirming or setting the Location and Data Average settings, the E-BAM will need to check whether a roll of filter tape installed. The monitor will then check the tape installation. If no tape is detected, the unit will prompt for installation of a new roll: E-BAM-9805 Manual Rev B.docx...
  • Page 15 The unit will again try to detect the tape. If tape is detected, the unit will proceed to the self-test screen. Press start to begin a self-test. After a successful self-test, press the X to proceed to operations. Figure 2-10 Self-Test Screen E-BAM-9805 Manual Rev B.docx Page 15...

  • Page 16: Configuring External Sensors

    2.7.1 Configuring the 597A Sensor The E-BAM requires a 597A sensor at address 1 of its serial network to begin sampling. Once the physical connections are made the sensor is programmed using the Digital Link screen located in the Test menu (see section 3.5.11).

  • Page 17: Filter Tape Loading

    2.8 Filter Tape Loading Filter tape must be loaded into the E-BAM for sampling. One roll of tape will last anywhere from a few weeks to more than a year, depending on the Tape Advance setting (see section 3.6.5) and ambient particulate levels.

  • Page 18: Bam User Interface And Menu System

    3 E-BAM USER INTERFACE and MENU SYSTEM This section describes the E-BAM user interface system. It also explains the functions of the main and sub menu options, navigation of the menus, and how to view data and errors. 3.1 The User Interface - Touchscreen Display Functions The E-BAM user interface is a touchscreen display used to control almost all the features and functionality of the E-BAM.

  • Page 19: Menu Hierarchy And Navigation

    3.3 Menu Hierarchy and Navigation The E-BAM menu structure is outlined in the following table. Main Menu Sub Menu Options Overview Operate Start Sample Load Filter Tape Begin or resume monitoring. See section 3.4 Transfer Data Load and properly tension the filter tape Download stored data to a USB...
  • Page 20 Press the OK key to accept the changes or the Cancel key to return to the previous screen. The X key on the far right Figure 3-5 Keypad for Numeric Entry performs a backspace operation E-BAM-9805 Manual Rev B.docx Page 20...

  • Page 21: Operate Menu

    Figure 3-6 The Operate Menu 3.4.1 Start Sample This screen allows users to both start and stop the E-BAM sampling process. Upon entering this screen, a warning will be displayed asking users if they would like to start or stop a sample, depending on the current state of the monitor.

  • Page 22: About

    At this point, the display will change to indicate that the E-BAM may be shut down. Remove power from the monitor and it is now ready to be disassembled and relocated.

  • Page 23: Conc Chart

    NOZZLE DOWN if it is in the up position. The flow and lower pressure sensor indications are provided for reference when performing the leak test. See section 5.2 for detailed instructions on performing a leak test. E-BAM-9805 Manual Rev B.docx Page 23...

  • Page 24: Ambient Temperature

    See section 5.8 for detailed instructions. Figure 3-16 Flow Calibration Screen (1 of 4) 3.5.5 Self-Test This screen runs the self-test sequence. Press X to exit once it is complete Figure 3-17 The Self Test Screen E-BAM-9805 Manual Rev B.docx Page 24...

  • Page 25: Filter Sensors

    The Standard field is the field where the value shown on the traceable reference standard is entered if the E-BAM value needs to be adjusted. To make a change, press the green bordered value box and the numerical entry keypad (Figure 3-5) will be displayed. Enter the value currently shown on the standard and press the OK key to set it.

  • Page 26: Nozzle/Count Test

    NOZZLE button will cause the nozzle to change state. When the nozzle is in the down position, the E-BAM beta count results can also be verified as shown in Figure 3-21. The frequency for beta counts should be greater than Figure 3-21 The Nozzle/Count Test Screen 500 Hz.

  • Page 27: Setup Menu

    Set button in the lower left corner to set them. Figure 3-24 The Set Clock Screen 3.6.2 Sample The concentration (Conc) Units of the E-BAM or μg/m can be set to either mg/m . To change...

  • Page 28: Calibration

    Met One supplies the E-BAM with a factory-set background value. Use the BX-302 zero filter kit to audit the background value and set it for local conditions. See the BX-302-9800 manual for the zero-test procedure or contact the Met One Instruments service department (see section 1.2) for...

  • Page 29: Clear Memory

    Heavy particulate buildup will result in an excessive pressure drop across the tape. If the pressure drop gets too large, the E-BAM will advance the filter tape to a clean spot and then continue sampling. This is to prevent straining the pump when sampling in air with higher contamination levels.

  • Page 30: Station Id

    3.6.10.1 Data Average Capacity The E-BAM internal data logger can store 22,528 records. With a fixed number of records, the time until the internal logger is full will vary depending on the averaging period selected. The shorter the time interval, the faster the logger will fill up. Table 3-3 shows the approximate length of time in days, months, and years before the logger reaches full capacity.

  • Page 31: Serial Port

    Setup menu. Figure 3-37 The Touch Calibrate Screen There is a countdown clock for this feature displayed on each step of the calibration process. E-BAM-9805 Manual Rev B.docx Page 31...

  • Page 32: Language

    3.6.15 Language The E-BAM display may be configured to read out in either English or Chinese characters. This screen is used to select which language is to be displayed. Press the green bordered value box and a selection menu will be displayed. Tap the...

  • Page 33: Sample Site Selection

    4.2 Fall Hazard and Security Cautions If the E-BAM is to be installed more than three meters above ground level, then the tripod legs must be bolted down to prevent the unit from falling to the ground. An accidental fall of more than three meters may compromise the containment of the radioactive source and the unit will need to be returned to the factory for testing.

  • Page 34: Smoke And Ash Monitoring

    In smoke tracking applications, the filter tape may be consumed at a much faster rate than normal. This is because the E-BAM may automatically advance the filter tape to a new spot if the particulate loading becomes excessive, regardless of the user-defined tape advance setting.

  • Page 35: Maintenance, Alarms And Troubleshooting

    5.1 Met One Suggested Periodic Maintenance Table 5-1 shows the Met One recommended period of time for routine maintenance items. Some of these items will need to be performed more or less often depending on the exact characteristics of the deployment site.

  • Page 36: Basic Leak Check

    Leaks may be caused by degraded O-rings or an improper inlet tube to receiver connection, but almost all air leaks in the E-BAM occur where the nozzle contacts the filter tape. Because the airflow sensor is located downstream of the filter tape the E-BAM has no way of automatically detecting a leak at this interface.
  • Page 37 5. Confirm the BX-305 valve is open, and then press grey PUMP ON control button to turn on the pump. 6. Monitor the flow rate on the E-BAM display. When stabilized at 16.7 press LEAK ON to disable flow regulation and lock the flow controller in its current position.

  • Page 38: Advanced Leak Checks

    7. If the flow rate does not fall below 1.5 lpm, there is a leak located in the tubing or fittings between the vane and flow sensor. Contact the Met One service team for resolution. 8. Repeat the above steps until the leak has been identified and corrected.

  • Page 39: Upper System Leak Test

    4. Verify the leak check valve is open and then press the PUMP ON button to turn on the pump. Monitor the flow rate on the E-BAM display until it stabilizes at 16.7 lpm. 5. Press the LEAK ON button to lock the flow controller in its current position.

  • Page 40: Filter Tape Leak Test

    4. Press the nozzle control button to lower the nozzle down to the sealing tool. 5. Press pump control button to turn on the pump. Monitor the flow rate on the E-BAM display. Remember the flow will temporarily rise before it drops.

  • Page 41: Background Determination (Mass Offset)

    5.4 Background Determination (Mass Offset) It is recommended that the E-BAM undergo a background test annually and after any major repairs have been performed. Required Tools: Zero Filter (Met One Instruments Part No. BX-302) Use the following steps to conduct a zero-filter background test and set the mass offset.

  • Page 42: Nozzle/Vane Cleaning

    One Instruments service department (see section 1.2) for assistance. 5.5 Nozzle/Vane Cleaning The inside of the E-BAM sample nozzle should be periodically cleaned to remove any particulate which may have settled on the inside surfaces. This cleaning prevents any buildup of particulate which could result in artifacts falling out of the nozzle and onto the tape, causing undesired positive concentration spikes.
  • Page 43 Figure 5-7 shows the difference between good and bad filter tape spots. The tape on the right is from an E-BAM with a clean nozzle and vane. The particulate spots have crisp edges, are perfectly round, and are evenly distributed. The tape on the left is from a unit with a dirty vane. A spot of debris has built up and is punching a pin-hole at the edge of each spot.

  • Page 44: Nozzle Interior Cleaning

    Position the reference standard as closely as possible to the AT sensor of the 597A and allow them to equilibrate. Compare the E-BAM value to the standard. If an adjustment is necessary, enter the correct temperature in the Standard field and then press the CALIBRATE key to correct the E-BAM sensor reading.

  • Page 45: Flow Audits And Calibrations

    The flow calibration is performed after the ambient temperature and pressure sensors are audited (see sections 5.6 and 5.7), because the E-BAM uses these parameters to calculate flow. In addition, the nozzle and vane must be clean, and a leak check must be performed (see section 5.2) before the flow calibration.
  • Page 46 Use the following steps to verify and calibrate sensors associated with the E-BAM sample flow control system. 1. Make certain that the E-BAM has warmed up for at least 60 minutes prior to performing calibrations. Also, allow the calibration transfer standard (CTS) to equilibrate to ambient conditions for no less than 30 minutes.
  • Page 47 16. Select the 14.0 lpm set point and then press the OK button. The display will return to the Flow Calibrate screen and adjust the flow to the new test point. 17. Allow the E-BAM and CTS reading to stabilize (at least one minute) and then compare the E- BAM flow measurement and CTS flow reading.

  • Page 48: Span Mass Audit

    5.9 Span Mass Audit The Mass Audit screen, located in the Test menu, is used to verify the performance of the E-BAM beta attenuation system. A zero and span foil (included in the E-BAM accessory kit) will be required to complete this procedure. When this screen is accessed, the nozzle will be raised, and the display will provide instructions to enter the zero-calibration foil.
  • Page 49 See Figure 5-13 for an example. If the error is greater than +/- 5%, the audit has failed. See section 5.5 for cleaning instructions. If the audit continues to fail, contact the Met One Service team (see section 1.2) for assistance. Figure 5-13 Completing the Span Test Press the X button in the upper right corner to exit the audit.

  • Page 50: Filter Sensors Audit

    If the sensor is to be calibrated, it is best to do it when the E-BAM is cold (equilibrated to ambient) and the vane is lowered. It is recommended to leave the sensor at the factory default calibration.

  • Page 51: Upper And Lower Pressure Sensors Audit

    Important Note: It is often difficult to calibrate the sensor if the E-BAM is warm, as the heating of the unit will reduce the sample RH (as it should) making it difficult to compare the E-BAM filter RH reading to an ambient RH traceable standard reading.

  • Page 52: E-Bam Error Displays, Error Logs, And Error Codes

    The E-BAM error codes are described in this section. In the event a measured parameter or sequence is not within design specifications, the E-BAM will generate an alarm. These alarms can be monitored via the alarm log, output files or the alarm relay.

  • Page 53: E-Bam Hardware Failure Screen

    5.12.1 Sensor Out of Range Event The sensor outside range alarm event occurs when one of the E-BAM sensors is reading outside of its designated limit. Each sensor, along with its upper and lower range limits, is shown in Table 5-5.

  • Page 54: Basic Problem And Cause/Solution Table

    If the solution cannot be found in the following table, then contact the Met One Instruments, Inc. service technicians for help in resolving the problem. See section 1.2.
  • Page 55 There is a lithium coin cell battery inside the mass monitor that maintains the clock when the mass monitor is powered off. The battery may need to be replaced if the clock resets when the mass monitor is powered off. E-BAM-9805 Manual Rev B.docx Page 55...

  • Page 56: Data Retrieval And Communications

    6 DATA RETRIEVAL and COMMUNICATIONS The E-BAM is capable of relaying information to and from external devices using digital inputs and outputs, RS-232 serial, RS-485 communications, USB serial, and USB flash drive. 6.1 Serial Input/output Cable connections on the bottom panel of the E-BAM are available for communicating with data acquisitions system by means of digital inputs and outputs.

  • Page 57: Transfer Data To Usb Flash Drive

    E-BAM. 6.3 Comet™ Data Retrieval Software The E-BAM is supplied with a CD containing a free copy of the Comet™ program, which is a simple Windows-based communications terminal program developed by Met One Instruments. This is the...

  • Page 58: Downloading Data Using Hyperterminal Or Other Terminal Programs

    6.4 Downloading Data Using HyperTerminal or other Terminal Programs The E-BAM is able to communicate via serial commands using RS-232, RS-485, or a USB Serial. The monitor only allows one of these connections at a time. These connections allow users to both...

  • Page 59: Computer Communication

    D 2016-02-28<cr> D 2016-02-28<cr><lf> Pressing <Esc> or Q<cr> will exit terminal mode. For a detailed listing of all commands and their formats, request the E-BAM 7500 document from the Met One Instruments service department. 6.4.2 Computer Communication In the Computer Communication mode, character echo is suppressed. This means when issuing commands in this mode using a keyboard, the characters being typed will not be displayed on the screen.

  • Page 60: Accessories And Parts

    7 ACCESSORIES and PARTS 7.1 Consumables, Replacement Parts, and Accessories The following parts are available from Met One for maintenance, replacement, service, and upgrades. If unsure about a part that is needed, please contact the service department (see section 1.2). Some of these parts require technical skills or special considerations before use or installation.
  • Page 61 Inlet Components Inlet Head, EPA Specified BX-802 TSP Sampling Inlet Cap, Harsh Environment with BX-803 insect screen and rain cap Sharp Cut Cyclone BX-807 WINS Impactor BX-804 Inlet Tube, E-BAM, Aluminum, 10 inches 81183 E-BAM-9805 Manual Rev B.docx Page 61...
  • Page 62 Weatherproof DC Power Supply, 12 VDC, 8.5 A EX2-100-240 Tripod Assembly, E-BAM/E-SAMPLER EX-905 Cross-arm Clamp, ¾” x ¾”, Aluminum, Mounts cross- 1552 arms to the E-BAM tripod Cross-arm, 18 inches 1539-4 Tape Spool Cover, Replacement, 2 per unit 82148 RS-232 Communication Cable, E-BAM 83245 E-BAM-9805 Manual Rev B.docx...
  • Page 63 INLET TUBE (UPPER SECTION) 9187 PM-10 SAMPLING INLET BX-802 TRIPOD FOR E-BAM/E-SAMPLER EX-905 CABLE ASSEMBLY, EXTERNAL BATTERY, E-BAM 83246 CABLE ASSY, 597A SENSOR TO E-BAM 82959-8 RS-232 COMM CABLE, E-BAM 83245 MOUNTING CHANNEL 10660 ASSY, REFERENCE MEMBRANE 9325 ENCLOSURE, POLE MOUNT, IP65, NEMA 4X, -50C TO 85C,...

  • Page 64: Special E-Bam Configurations

    The EX2-034B is a mechanical cup and vane sensor that provides wind speed and direction measurements. It is mounted to the E-BAM tripod using the provided cross arm. See Figure 2-4. It connects to the E-BAM WS/WD SENSOR connector using the included signal cables and analog to digital signal converter.

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