Bacharach 2810 Operation & Maintenance Manual

Co2 analyzer
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CO
Analyzer
2
2810/2815/2820
Instruction 19-9222
Operation & Maintenance
Rev. 9 – November 2005
2
3
Product Leadership • Training • Service • Reliability

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Summary of Contents for Bacharach 2810

  • Page 1 Analyzer 2810/2815/2820 Instruction 19-9222 Operation & Maintenance Rev. 9 – November 2005 Product Leadership • Training • Service • Reliability...
  • Page 2 Product imp­rovements and enhancements are continuous, therefore the sp­ecifications and information con- tained in this document may change without notice. Bacharach, Inc. shall not be liable for errors contained herein or for incidental or consequential damages in con- nection with the furnishing, performance, or use of this material.
  • Page 3: Table Of Contents

    Analyzer 2810/2815/2820 Contents 1.0 INTRODUCTION ................1 1.1 General ..................1 1.2 Man Features ................1 1.3 Unts of Measurement ...............1 2.0 OPERATION ..................2 2.1 Important Note ................2 2.2 Swtchng the Analyzer ON/OFF ..........2 2.3 Pump Operaton (2815/2820) ............ 3 2.4 Pump Contamnaton (2815/2820) ..........3 2.5 Hgh Humdty Gas Samplng (2820) ........3 2.6 Storng Readngs ................4 2.7 Battery Low Dsplay ..............4 2.8 Battery Charge Dsplay .............5 2.9 Backlght ..................5...
  • Page 4 Analyzer 2810/2815/2820 Notes: Instruction 19-9222...
  • Page 5: Introduction

    Analyzer 2810/2815/2820 1.0 INTRODUCTION 1.1 General Bacharach’s lne of CO Analyzers are easy to use, but t s essental that these Operatng Instructons be read and understood by all operators and mantenance personnel pror to usng or servcng the nstrument. The 2810/2815/2820 are compact and lghtweght Carbon Doxde an- alyzers that dsplay the detected level of CO n the range of ether 0–10,000 ppm (2810/2815) or 0–60% (2820). The analyzer s based on the nfrared-absorpton prncple to detect the presence of CO . The 2810 operates by dffuson only, whle the 2815/2820 ncorporates an nternal pump for drawng n gas samples. Smply turn off the pump and the 2815/2820 samples by diffusion. A sampling tube and particulate filter are ncluded wth the 2815/2820 for remote samplng, whle the 2820 also includes a desiccant filter to be used when sampling areas with high humdty. All analyzers can store gas readngs n memory, whch can...
  • Page 6: Operation

    Analyzer 2810/2815/2820 2.0 OPERATION 2.1 Important Note Always ensure that the analyzer’s gas nlet connector (Fgure 1, Item C) and gas exhaust (Fgure 1, Item B) are unobstructed and open to the at- mosphere. Be careful not to breath drectly on the analyzer whle takng a measurement; otherwse, naccurate CO readngs wll result. 2.2 Switching the Analyzer ON/OFF Swtch ON the analyzer by pressng the button. Swtch the analyzer OFF by pressng the button down for at least 3 seconds, or untl the display goes blank. When first switched on, there is a warm-up period be- fore the CO level s dsplayed – approxmately 60 seconds for the 2810/ 2815 analyzer, and 20 seconds for the 2820. Note that a normal fresh-ar background readng of CO s approxmately 340 ppm. and...
  • Page 7: Pump OperatOn (2815/2820)

    Analyzer 2810/2815/2820 2.3 Pump Operation (2815/2820) Wth the analyzer already swtched on, momentarly pressng the but- ton swtches on the pump. Pressng the button agan turns the pump off. The suppled samplng probe and hose assembly can be connected to the gas nlet connector on the top of the analyzer for drawng n gas samples from hard-to-reach locatons. Particulate filter P/N 54-0548 is placed on top of the gas inlet to prevent dust or drt from beng drawn nto the nstrument. Replace the par- ticulate filter about once a month, or when the filter is contaminated as evdenced by a slower response tme.
  • Page 8: StorNg ReadNgs

    Analyzer 2810/2815/2820 For those stuatons where water droplets may be present n the sample line, you will need to install a water trap between the Nafion tubing and the ncubator’s sample port as descrbed n Secton 2.14. After completng a test, contnue to run the pump whle samplng fresh ar untl the readng s below 0.1. Ths wll purge out any resdual CO and mosture before proceedng to the next test. 2.6 Storing Readings There are two readng-storage modes avalable: • Snapshot • Contnuous Data Loggng Pressng the f button once stores (takes a snapshot of) the readng shown on the dsplay. Clock icon is displayed once for ppm CO2 a snap­shot, and flashes during continuous logging.
  • Page 9: Battery Charge DSplay

    Analyzer 2810/2815/2820 2.8 Battery Charge Display The battery’s remanng charge s dsplayed by pressng the f button once. A bar graph n the lower part of ths screen shows an approx- maton of the battery’s remanng charge. As the charge reduces, the bar graph decreases n sze. Typcal operatng tme from a full charge s 7 hours wth the pump runnng, and 10 hours wth the pump off. Battery Level = represents full charge = represents low charge 2.9 Backlight To vew the LCD n poor ambent lghtng condtons, turn on the ds- play’s backlght by pressng the f button once (wth the analyzer on). The backlght stays on for 5 seconds and then automatcally turns off. 2.10 Audible Gas-Level Tone (2815/2820) An audble tone, whch wll ncrease n ptch wth ncreasng CO levels, s actvated by pressng and holdng down the f button for 3 seconds. The tone s turned off by agan pressng and holdng down the f button for 3 seconds. 2.11 Fault Condition Warning The analyzer s capable of alertng the operator of an nternal fault condton (.e., a sensor falure or blockage n the nfrared path). If a fault occurs, the analyzer’s beeper wll sound contnuously, and the followng...
  • Page 10: PowerNg Analyzer From Charger

    Analyzer 2810/2815/2820 2.12 Powering Analyzer from Charger The analyzer can be contnuously powered by ts charger by connectng the charger as follows: 1. Swtch ON the analyzer without the charger attached. Note: Connecting a charger to an analyzer that is switched OFF causes the analyzer to enter its charging mode, which in turn prevents the analyzer from being switched ON.
  • Page 11: TestNg Incubators (2820)

    Analyzer 2810/2815/2820 2.14 Testing Incubators (2820) When testng ncubators wth the Model 2820, t s mportant to keep mosture from enterng the nstrument. Mosture can contamnate the IR cell and affect the readngs. A Gas Dryer Tube (Nafion) is supplied with the instrument to remove excess water vapor (humidity) – refer to Section 2.5. The Nafion tube must be used at all tmes when testng n hgh humdty envronments. When testng water-jacketed ncubators, however, the potental exsts of drawng water droplets that form nsde the ncubator’s nternal sample line through the Nafion tubing and into the instrument. A water trap is provded wth the nstrument as an accessory to prevent water from be- ng drawn nto the nstrument. The water trap s nstalled between the...
  • Page 12: Maintenance

    Releasng the f button dsplays the analyzer’s ID number for 5 seconds. → Cd v1.24 ID No. 20/5/98 xxxxx 3.5 Factory Settings Important! The analyzer should only be returned to its fac- tory settings when advised by a Bacharach Service Repre- sentative. Wth the analyzer swtched OFF, and whle holdng down the f button, swtch ON the analyzer. The dsplay wll show FACTORY SETTINGS Keep the f button depressed untl the dsplay shows RESET OK...
  • Page 13: Battery ChargNg

    Analyzer 2810/2815/2820 Release the f button and follow the nstructons from your local servce representatve. WARNING: After resetting the analyzer to its factory settings, it must be calibrated as described in Section 3.7 or erroneous gas reading may result. 3.6 Battery Charging When the ‘BattLow’ message s dsplayed (refer to Secton 2.7), the ana- lyzer must be recharged usng the suppled battery charger. Important! The battery has a long shelf life, but it is recom- mended that the battery be recharged once a month if left unused.
  • Page 14: CalBratOn

    s swtched OFF/ON. The analyzer should also be checked on a perodc bass wth a hgher concentraton of CO to ensure that t stll meets ts accuracy specification. Follow the procedure under Secton 3.7.1 to calbrate a 2810/2815 Low Range (LR) Analyzer, or the procedure under Secton 3.7.2 to calbrate a 2820 Hgh Range (HR) Analyzer. 3.7.1 2810/2815 Calibration Procedure 3.7.1.1 Air Calibration Perform ths procedure n an uncontamnated envroment such as out- sde fresh ar, an empty room, or corrdor where the ar s assumed to contan 340 ppm CO Important! DO NOT perform an air calibration after sam- pling high concentrations of CO gas. Also, be careful that your breath does not affect this procedure.
  • Page 15 Analyzer 2810/2815/2820 2. Press and hold down the f button untl the ‘User Cal’ screen s ds- played. Note that battery status is first displayed for approximately 2 seconds. User Cal Wat untl the analyzer automatcally swtches to ts ‘Ar/Gas’ screen before proceedng. f1-> Air f3-> Gas 3. Press the f button to zero the analyzer usng fresh ambent ar. If the ar calbraton procedure was successful, the dsplay wll show AirCal If the procedure was unsuccessful, the message AirCal Failed wll be dsplayed. If ths happens, retry the Ar Calbraton procedure, ensurng that the analyzer s only exposed to fresh ar. If the pro- cedure s stll unsuccessful, then the analyzer must be returned to a Bacharach Servce Center for evaluaton. 4. Ths completes the Ar Calbraton procedure. If desred the analyzer can now be spanned to a known concentraton of CO gas per Secton 3.7.1.2. Instruction 19-9222...
  • Page 16: Gas CalBratOn

    Analyzer 2810/2815/2820 3.7.1.2 Gas Calibration WARNING: This procedure assumes that you are using the Bacharach Calibration Kit as listed in Section 4.1, Calibration Accessories. When using a non Bacharach gas regulator, however, you must also use an in-line flowmeter to ensure that the gas flow to the analyzer is between 100 and 200 cc/minute.
  • Page 17 Analyzer 2810/2815/2820 3. Usng the Calbraton Accessores lsted n Secton 4.1, attach a CO calbraton gas cylnder to the nlet of the analyzer as shown n Fg- ure 3. The appled CO concentraton must equal the gas value ds- played n the top lne of the Gas Calbraton screen. Important! Do not attempt to calibrate the analyzer if the pressure gauge closest to the tank reads below 5 psi. 4. Adjust the regulator attached to the gas cylnder for an outlet pressure of 2 psi (equivalent to a flow rate of approximately 120 cc/minute).
  • Page 18: 2820 CalBratOn Procedure

    Analyzer 2810/2815/2820 3.7.2 2820 Calibration Procedure 3.7.2.1 N Calibration The followng procedure uses 100% N to zero the analyzer. (Fresh amb- ent ar that s assumed to contan 340 ppm CO can be used f N s not avalable.) Important! DO NOT perform an N calibration after sam- pling high concentrations of CO gas. Also, be careful that your breath does not affect this procedure.
  • Page 19: Gas CalBratOn

    3.7.2.2. 3.7.2.2 Gas Calibration WARNING: This procedure assumes that you are using the Bacharach Calibration Kit as listed in Section 4.1, Calibration Accessories. When using a non Bacharach gas regulator, however, you must also use an in-line flowmeter to ensure that the gas flow to the analyzer is between 100 and 200 cc/minute.
  • Page 20: N 2 CalBratOn

    Analyzer 2810/2815/2820 Wat untl the analyzer automatcally swtches to ts ‘N2/Gas’ screen before proceedng. f1-> N2 f3-> Gas 3. Press the f button to dsplay the Gas Calbraton screen. f1->05.0 00.0 The top lne shows the preset calbraton gas value that must be ap- pled to the analyzer’s nlet. The bottom lne shows the current CO readng. Note: The analyzer is most accurate around the calibration gas value. If the analyzer, however, is routinely used to moni- tor CO levels that are much higher or lower than the preset...
  • Page 21 Analyzer 2810/2815/2820 6. Allow the calibration gas to flow until the second lne of the Gas Cal- braton screen stablzes, then press the f button. If the gas calbraton procedure was successful, the dsplay wll show GasCal If the procedure was unsuccessful, the message GasCal Failed wll be dsplayed. If ths happens, retry the Gas Calbraton procedure, ensurng that the analyzer s exposed to the correct concentraton of calbraton gas. If the procedure s stll unsuccessful, then the analyzer must be returned to a Bacharach Servce Center for evaluaton. 7. Ths completes the Gas Calbraton procedure. Turn off the regulator; then remove and store the calbraton accessores. Figure 3. Calibration Equipment Instruction 19-9222...
  • Page 22: Parts & Service

    Nafion & Portex Tubing Kit (2820) ...........19-3318 Water Trap (2820) ................19-3265 Accessories 12 VDC Charger w/ Cgarette Lghter Adapter .......19-3302 Carryng Case, Small (10 "L x 8 "W x 3 "H) ......19-3337 Carryng Case, Large (13 "L x 10 "W x 4"H)......19-3311 IrDA Interface Kit & BACH-COM Software ........19-3301 Protectve Boot ...................19-3304 Table Top Stand .................19-3307 Calibration Accessories Calbraton Kt(w/ regulator and tubng) .........19-8027 Ar Cal Check Gas, 340 ppm CO , 17 lter tank (2810/2815) ..24-1125 Calbraton Gas, 2,500 ppm CO , 17 lter tank (2810/2815) ....24-1130 Calbraton Gas, 100% N , 17 lter tank (2820) ........23-4003 Calbraton Gas, 5.0% CO , 17 lter tank (2820) ......24-1126 Instruction 19-9222...
  • Page 23: Bacharach ServCe Centers

    Analyzer 2810/2815/2820 4.2 Bacharach Service Centers United States Bacharach Inc. 621 Hunt Valley Crcle New Kensngton, PA 15068 Phone: 724-334-5051 Fax: 724-334-5723 Emal: help@bacharach-nc.com Canada Bacharach of Canada, Inc. 250 Shelds Court Unt #3 Markham, Ontaro L3R 9W7 Canada Phone: 905-470-8985 Fax: 905-470-8963 Emal: bachcan@drect.com México Bacharach de Méxco Playa Regatas No. 473 Tercer Pso Col. Mltar Marte Delegacón Iztacalco, 08830 Méxco D.F. Méxco Phones: +52-555-634-7740 +52-555-634-7741 Fax: +52-555-634-7738 Emal: bacharachservco@bacharach.com.mx Webste: www.bacharach-mexco.com Europe Bacharach Instruments Soveregn House, Queensway Royal Leamngton Spa Warwckshre CV31 3JR...
  • Page 24 Analyzer 2810/2815/2820 Notes: Instruction 19-9222...
  • Page 25 Analyzer 2810/2815/2820 Notes: Instruction 19-9222...
  • Page 26 Analyzer 2810/2815/2820 Notes: Instruction 19-9222...
  • Page 27 Analyzer 2810/2815/2820 Notes: Instruction 19-9222...
  • Page 28 Headquarters: 621 Hunt Valley Circle, New Kensington, PA 15068 Ph: 724-334-5000 • Fax: 724-334-5001 • Toll Free: 800-736-4666 Website: www.bacharach-inc.com • E-mail: help@bacharach-inc.com Printed in U.S.A.

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