E-BAM-9800操作手册：环境β衰减监测器

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"E-BAM-9800-Rev-M.pdf是E-BAM颗粒物监测器的操作手册，主要涵盖设备的现场选择、安装、设置和现场校准等关键信息，适用于所有E-BAM的所有者和操作员。手册后部分深入介绍了理论、诊断、配件和备用设置等主题，提供额外的技术支持。" E-BAM-9800是MetOne Instruments公司生产的一款环境β衰减监测器，专门用于颗粒物监测。这份操作手册首先介绍了手册的目的，强调了技术服务的重要性，确保用户在遇到问题时能够得到必要的支持。E-BAM利用β辐射原理进行颗粒物测量，但同时也强调了关于β辐射的安全声明，提醒用户在操作时必须遵守安全规定。手册中的"1.5 The E-BAM and U.S. EPA Equivalent Methods"章节指出，E-BAM符合美国环保署（EPA）等效的监测方法，这意味着其测量结果具有权威性和可靠性。在"1.6 E-BAM Specifications"中，详细列出了设备的技术规格，包括性能参数和测量范围等，为用户提供了设备性能的全面概述。 "2 E-BAM Unit Assembly and Start-Up"章节是实际操作的起点，指导用户如何组装E-BAM，包括连接电源、启动自动操作模式。其中，"2.4 Power-up Settings Verification and Automatic Self-Test"详细解释了设备开机设置验证和自动自检过程，确保设备在开始工作前处于良好状态。"2.5 Filter Tape Loading"部分则讲述了如何装载过滤带，这是E-BAM收集颗粒物样本的关键步骤。最后，"2.6 Warm-up Period"提到了设备预热阶段，这是保证准确测量所必需的。整体而言，E-BAM-9800操作手册旨在提供一个全面且易理解的指南，帮助用户正确、安全地操作和维护该颗粒物监测器，同时提供深入的技术细节以供参考。无论是初次使用者还是经验丰富的技术人员，都能从中获得必要的信息和指导。

E-BAM-9800 Operation Manual Rev M Page 13

After the MACHINE TYPE is set or verified, the E-BAM will raise the nozzle and check to see if the

stainless steel shipping shim is installed under the nozzle. Note: The shim is attached to the unit

with a tether chain, and is also used for the zero portion of the span membrane test. The shim

should be installed any time the E-BAM is shipped or transported in order to prevent nozzle

damage. The unit can sense the shim with a photo sensor. If the shim is still in place the unit will

display the message “PLEASE REMOVE NOZZLE PACKING MATERIAL”.

After the nozzle shim has been removed, the E-BAM will check if a roll of filter tape installed. If tape

is already installed, the unit will go on to the power status screen. If no tape is detected, the unit will

prompt you to install a new roll:

Install a roll of filter tape as described in Section 2.5. When the filter tape is installed, press

CONTINUE. The unit will again try to detect the tape. If tape is detected, the unit will go on to

display the power status screen. This is mostly useful if the unit is powered with batteries:

Press CONTINUE to proceed. The unit will begin the self-test process and will show “SELF TEST

RUNNING…” on the display. The self-test takes several minutes and can only be bypassed by

pressing the ESC key. The unit will test the nozzle, tape motor, beta detector, pump, flow sensor,

and pressure sensors. If a fault is detected during the self-test, the hardware failure screen will be

shown. Press CONTINUE to view the cause of the failure. See Section 8.1 for error descriptions. In

the example below, the operator has forgotten to connect the 9250 ambient temperature sensor to

the E-BAM. The unit has indicated that the sensor is not operational. If a hardware failure is

detected, the problem must be corrected before proceeding. Press the MENU key to enter the menu

system if needed. Other hardware failures that will hinder E-BAM operation include:

 Ambient or filter temperature sensor missing or failed.

 Ambient or filter pressure sensor failure.

 Broken or missing filter tape.

 Low battery voltage or DC input voltage below 10 volts DC.

WARNING

HARDWARE FAILURE

CONTINUE

25-NOV-2008 10:08:00

SENSOR FAILURE

Ambient Temp

-29.6

BATTERY: 14.3 VOLTS

ESTIMATED OPERATION

TIME FOR 100 AMP-HRS

IS 33 HRS. CONTINUE

PLEASE LOAD TAPE!

E-BAM WILL NOT

OPERATE WITHOUT

TAPE! CONTINUE

CHECKING FOR

LOADED TAPE.

PLEASE WAIT...

E-BAM-9800 Operation Manual Rev M Page 14

If the self-test finishes without errors, the screen will display that the unit is functioning properly.

Press CONTINUE to go on to the start operation screen as shown below. Press YES to immediately

start the E-BAM sampling on a normal operating cycle. Press MENU to forgo operation and enter

the main E-BAM menu system instead.

This is the end of the automatic E-BAM start-up sequence. It is recommended that you perform a

leak check and flow check/calibration as described in Section 5. Become comfortable with these

checks, as they will be performed often.

2.5 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 and ambient particulate

levels. It is important to have several spare rolls of tape available to avoid data interruptions. Some

agencies save used rolls of tape for post-sampling analysis, although there is no guarantee that the

sampled spots have not been contaminated. Used filter tape should never be “flipped over” or re-

used! This will result in measurement problems. Loading a roll of filter tape is a simple matter using

the following steps:

1. If the sample nozzle is in the down position, it will need to be raised. Enter the LOAD TAPE

screen in the main E-BAM menu. The unit will raise the nozzle and prompt you to load the

tape.

2. If you are replacing a used roll of tape. Remove the old roll, then thoroughly clean the nozzle

and vane as described in Section 5.1.

3. An empty core tube must be installed on the left (take-up) reel hub. This provides a surface

for the used tape to spool-up on. Met One supplies a plastic core tube to use with the first roll

of tape. After that, you can use the empty cardboard core tube left over from your last roll to

spool-up the new roll. Never fasten the filter tape directly to the aluminum hub!

4. Load the new roll of filter tape onto the right (supply) reel, and route the tape through the

nozzle area as shown below. Attach the loose end of the filter tape to the empty core tube

with tape.

5. Rotate the tape roll to remove excess slack, then install the plastic spool covers tightly. The

spool covers clamp the tape rolls to the hubs to prevent them from slipping.

SELF TEST COMPLETE:

E-BAM FUNCTIONING

PROPERLY.

CONTINUE

WARNING

START OPERATION?

MENU YES

剩余74页未读，继续阅读

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