PP Systems SBA-5 Manuel utilisateur

SBA-5 CO2Analyzer

Version 1.06

04 November 2015

PP Systems Inc.

110 Haverhill Road, Suite 301

Amesbury, MA 01913 U.S.A.

Tel: +1 978 834-0505

Fax: +1 978 834-0545

Email: support@ppsystems.com

Web Site: http://www.ppsystems.com

This page is left intentionally blank.

Table of Contents

SBA-5 CO2 Analyzer Operation Manual – Version 1.06

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Table of Contents

Table of Contents................................................................................................4

Preface.................................................................................................................6

Notice.................................................................................................................6

Documentation Conventions..............................................................................6

User Registration...............................................................................................6

Service & Warranty............................................................................................7

Contact Information............................................................................................7

Unpacking Your Equipment...............................................................................7

Technical Specification......................................................................................8

Introduction & Overview ..................................................................................10

Measurement Principle....................................................................................10

Powering up the SBA-5....................................................................................10

Operation................................................................................................................................ 10

SBA-5 Warm-up..................................................................................................................... 11

Power Input connector (CN2)................................................................................................. 11

Input/Output and RS-232Terminal Block (CN3)..................................................................... 11

Input/Output Header (CN4).................................................................................................... 12

Indicating LEDs ...................................................................................................................... 12

Installation........................................................................................................12

Mounting the SBA-5.........................................................................................13

SBA-5 Gas Circuit............................................................................................14

SBA-5 CO2 Gas Analyzer with Enclosure.......................................................15

Gas Connection...............................................................................................15

Terminal Block on Enclosure ...........................................................................16

SBA-5 Recalibration .........................................................................................17

Recalibration Procedure ..................................................................................17

SBA-5 Communication.....................................................................................18

RS-232 Connection and Setup ........................................................................18

Spare I/O Line..................................................................................................18

4-20 mA Output................................................................................................19

USB Connection and Setup.............................................................................19

Command Summary........................................................................................20

Measurement Commands................................................................................20

Measurement Command Response ................................................................21

Measurement String Format Command:..........................................................21

Zero Valve Related Commands.......................................................................22

CO2 Related Commands.................................................................................23

Other Commands.............................................................................................24

Command Files................................................................................................25

Upgrading SBA-5 Firmware .............................................................................26

Preface

SBA-5 CO2 Analyzer Operation Manual – Version 1.06

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Maintenance......................................................................................................27

Absorber Column.............................................................................................27

Absorber Column Foam Pads................................................................................................ 27

Absorber Column Filters......................................................................................................... 27

Absorber Column “O” Rings................................................................................................... 27

Soda Lime........................................................................................................28

MATERIAL SAFETY DATA FOR SODA LIME ...................................................................... 28

Servicing The SBA-5.........................................................................................30

Pump ...............................................................................................................30

Removing a Pump.................................................................................................................. 30

Servicing a Rotary Vane Pump.............................................................................................. 30

Infrared Source................................................................................................31

Zero Valve .......................................................................................................31

User Notes.........................................................................................................32

Preface

SBA-5 CO2 Analyzer Operation Manual – Version 1.06

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Preface

Notice

This equipment must not be used in situations where its failure could result in injury or death.

For applications where failure of this equipment to function correctly would lead to consequential

damage, the equipment must be checked for correct operation and calibration at intervals

appropriate to the criticality of the situation.

PP Systems' equipment warranty is limited to replacement of defective components, and does

not cover injury to persons or property or other consequential damage.

This manual is provided to help you install and operate the equipment. Every effort has been

made to ensure that the information contained in this manual is accurate and complete. PP

Systems does not accept any liability for losses or damages resulting from the use of this

information.

It is extremely important that you take the time to review this Operator’s Manual prior to

installation and operation of the equipment. Otherwise, damage may be caused which is not

covered under our normal warranty policy.

This manual, and the information contained in it, is copyright to PP Systems. No part of the

manual may be copied, stored, transmitted or reproduced in any way or by any means including,

but not limited to, photocopying, photography, magnetic or other mechanical or electrical means,

without the prior written consent of PP Systems.

All brand/product names are trademarks of their respective owners.

Documentation Conventions

If viewed electronically, text marked blue acts as Hyperlinks.

User Registration

It is very important that ALL new customers register themselves with us to ensure that our user’s

list is kept up to date. If you are a PP Systems’ user, please register yourself electronically on our

web site at:

http://www.ppsystems.com/user_registration2.htm

Only REGISTERED users will be allowed access to our protected “Users” section of our web site.

This section will contain important product information including hardware/software updates,

application notes, newsletters, etc.

Thank you in advance for your cooperation.

Preface

SBA-5 CO2 Analyzer Operation Manual – Version 1.06

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Service & Warranty

PP Systems' equipment warranty is limited to replacement of defective components, and does

not cover injury to persons or property or other consequential damage.

The equipment is covered under warranty for one complete year, parts and labour included. This,

of course, is provided that the equipment is properly installed, operated and maintained in

accordance with written instructions (i.e. Operator's Manual).

The warranty excludes all defects in equipment caused by incorrect installation, operation

or maintenance, misuse, alteration, and/or accident.

If for some reason, a fault is covered under warranty, it is the responsibility of the customer to

return the goods to PP Systems or an authorised agent for repair or replacement of the defective

part(s).

Contact Information

PP Systems, Inc.

110 Haverhill Rd, Suite 301

Amesbury, MA 01913

USA

Tel: 978-834-0505

Fax: 978-834-0545

Sales: sales@ppsystems.com

Support: support@ppsystems.com

Service: service@ppsystems.com

Unpacking Your Equipment

It is extremely important that you check the contents of your equipment immediately upon receipt

to ensure that your order is complete and that it has arrived safely. Please refer to the checklist

supplied (if applicable) for a detailed list of spares and accessories that are included with your

order.

DO NOT DISCARD ANY OF THE PACKAGING MATERIAL UNTIL ALL OF THE ITEMS

LISTED ARE ACCOUNTED FOR.

WE RECOMMEND THAT YOU RETAIN THE ORIGINAL PACKING FOR FUTURE USE.

If you suspect that any of the items listed on the appropriate checklist are not included or

damaged, you must contact PP Systems or authorised distributor immediately.

Technical Specification

SBA-5 CO2 Analyzer Operation Manual – Version 1.06

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Technical Specification

Analysis Method

Non-dispersive infrared, configured as an absolute absorptiometer with microprocessor control of

linearization.

CO2Measurement Ranges

0-1,000 ppm (umol mol-1) / 0.1%

0-2,000 ppm (umol mol-1) / 0.2%

0-5,000 ppm (umol mol-1) / 0.3%

0-10,000 ppm (umol mol-1) / 1%

0-20,000 ppm (umol mol-1) / 2%

0-30,000 ppm (umol mol-1) / 3%

0-50,000 ppm (umol mol-1) / 5%

0-100,000 ppm (umol mol-1) / 10%

Custom ranges up to 100,000 ppm upon request. Measurements are automatically corrected for

temperature and pressure.

Pressure Compensation Range

80-115 kPa

Accuracy

<1% of span concentration over the calibrated range but limited by the accuracy of the

calibration gas mixture.

Linearity

<1% throughout the range.

Stability

Automatic zero at regular intervals corrects for sample cell contamination, source and

detector aging and pre-amplifier gain changes.

Gas Flow Rate Through Analyzer

Range: 100-1,000 cc/min (Maximum)

We recommend 200-500 cc/min

Calibration

User programmable calibration (if required)

Analog Output

Dual 0-5V linear (CO2and H2O)

4-20 mA (CO2only)

Digital Interface

RS-232 (Terminal block)

USB (Miniature 5 pin)

Humidity Sensor Input

Power Supply

6-18 VDC

Technical Specification

SBA-5 CO2 Analyzer Operation Manual – Version 1.06

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Power Consumption

~9 W (warm-up)

~1-3 W (normal operation and dependent on ambient temperature)

Gas Connections

Two barbed fittings (inlet and exhaust) for use with 1/8” (.125”) ID tubing

PCB Type

FR4

Operating Temperature Range

-20°C to +50°C

Relative Humidity Range

0-95% RH, non-condensing

Dimensions

7.5 cm W x 12 cm L x 3.5 cm H

(SBA-5 PCB only)

8 cm W x 13 cm L x 4.5 cm H

(SBA-5 with enclosure)

Weight

0.2 kg (SBA-5 PCB only)

0.4 kg (SBA-5 with enclosure)

Optional Accessories

Sampling pump (Part No. STD105)

Absorber column (Part No. STD509)

Humidity sensor (Part No. STD547)

Enclosure (Part No. AGA407 and AGA408)

-Includes the SBA-5

PP Systems is continuously updating its products and reserves the right to amend product

specifications without notice.

All brand/product names are trademarks of their respective owners.

Introduction & Overview

SBA-5 CO2 Analyzer Operation Manual – Version 1.06

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Introduction & Overview

Measurement Principle

The SBA-5 OEM CO2Analyzer is a non-dispersive, infrared gas analyzer that features an “Auto-

Zero” facility. Using infrared gas analysis techniques, we can readily determine CO2(Carbon

Dioxide) concentrations to within a few ppm and instantaneous measurements are possible.

Gases with di-atomic molecules such as CO2strongly absorbs photons in the infrared range. For

CO2, one region of strong absorption is 4.26 microns. A source (IR source) emitting strongly at

this wavelength is a light bulb. If this is positioned at one end of a tube and at the other end is a

sensor that is sensitive to photons at 4.26 microns, we have a simple infrared gas analyzer. As

CO2is passed down the sample cell, it absorbs some of the infrared and the sensor reading

decreases. The “Auto-Zero” feature, which occurs at regular intervals, allows for fast warm-up,

adaptation to changing ambient conditions and excellent stability of the CO2signal. The action of

auto-zeroing minimizes the effects on span (gas sensitivity) of sample cell contamination, source

aging, changes in detector sensitivity and changes in pre-amplifier gain. By default and after

system warm-up, the SBA-5 will perform “Auto-Zeros” every 20 minutes. The “Auto-Zero” interval

can be changed by the user if required up to a maximum of 10,000 minutes. PP Systems highly

recommends that the SBA-5 performs frequent “Auto-Zeros” to ensure accuracy and

reliability of data.

The SBA-5 features automatic temperature and pressure compensation.

The SBA-5 is supplied as a calibrated CO2 optical bench (to a specified range) fitted to an FR4

type printed circuit board (PCB). All components are located on the board.

Powering up the SBA-5

The SBA-5 requires a 6-18V DC input to power up the analyzer. Power can be applied to 3

different connectors on the SBA-5 board (CN2, CN3 or CN4). See sections below for appropriate

connections.

Operation

Once the SBA-5 is connected to a proper power supply and immediately after it is powered up,

there is a short pause and then the IR source lamp starts to flash. If the RS-232 or USB line is

connected to a PC running a terminal program (i.e. Hyperterminal on older PC’s and

HyperAccess on more recent PC’s), the following information is transmitted:

EEPROM OK

B, SBA5,nnnn, x.xx

Where: B= Begin

nnnn= serial number

x.xx= EPROM version number

The SBA-5 temperature is checked until it stabilizes near 55 oC with the following transmitted:

W, nn

Where: W=Warm up delay

nn= Temperature

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