Energizer ATX612 User's Manual
Contents
1. 4 2 TURNING THE ATX612 ON AND OFF e Press and hold the ON OFF MODE switch The display will read HOLD and the instrument sounds a short beep once a second e Continue holding the MODE switch for 5 beeps until the RELEASE screen appears Stop here if turning the instrument off e After the instrument is turned ON the following startup screens will be displayed SOFTWARE VERSION The version of the operating software installed in the instrument is displayed SENSOR CONFIGURATION The type of sensors installed in the instrument will be displayed WARM UP TIMER The display will indicate the number of seconds remaining until the instrument begins normal operation After the warm up sequence has been completed the ATX612 will enter the normal operating mode and will be continuously monitoring all calibrated sensors 4 3 DISPLAY BACKLIGHT The display backlight is automatically switched on when the ATX612 is in an alarm condition To manually activate the backlight press and release the E key The backlight will remain on for approximately 15 seconds 4 4 INTERNAL SAMPLING PUMP The ATX612 is equipped with a built in pump for remote gas sampling The sampling pump will draw a constant flow sample from up to 100 feet 30 meters using 1 8 inch 3 mm diameter tubing The remote sample tube should be connected to the barbed inlet fitting on the bottom of the ATX612 See Figure 3 NOTE When drawing a remote sample a2. CENELEC DEMKO 4 INSTRUMENT OPERATION 4 1 CHARGING THE BATTERY NicaD BATTERY OPTION If the ATX612 is equipped with a Nicad battery pack fully charge the battery pack before use A universal charging adapter is included with the unit for charging the ATX612 battery pack The battery pack may be charged while attached to the instrument or when removed to allow round the clock operation of the ATX612 using a spare battery The ATX612 is equipped with a nickel cadmium battery pack with a built in smart charging system When plugged into the charging adapter the battery will recharge at a high rate until fully charged and then will reduce to a maintenance trickle charge rate The battery will not be damaged if it is left connected to the charger for extended periods Battery Status Indicator Ultra bright Visual Alarm Light Bar Hidden Key A dead battery will be fully recharged in 4 5 hours The Nicad battery pack has a LED charge status indicator to show the current status when connected to the charger The LED indicator has five states as follows e Solid Amber e Solid Green Fast charge in progress Fully charged in trickle charge mode Infrared Data Interface fi f Pump Exhaust Port Charging Socket Nicad Versions e Flashing Green Battery too hot cold to be fast charged in trickle A r Pore mie charge mode e Flashing Amber Instrument running fast charge mode e Alt
3. Remove the battery pack as described in Section 8 2 e Remove the four screws from the bottom of the instrument chassis e Gently lift the case top from the chassis 8 4 INSTALLING OR CHANGING SENSORS To change sensors in the ATX612 e Open the instrument as described in Section 8 3 e Remove the three screws which hold the sensor manifold in place e Gently lift the sensor manifold away from the chassis as shown in Figure 5 NOTE It is not necessary to disconnect the sample tubing from the manifold to replace the sensors gt i Shorting Wire 22 WARNING When removing a sensor from A service the appropriate sensor plug must be installed to ensure proper instrument operation Toxic O Sensor Plug P N 1704 6947 Combustible Sensor Plug P N 1706 2647 8 4 1 TOXIC OXYGEN SENSOR REMOVAL REPLACEMENT e To remove a toxic or oxygen sensor grasp the sensor and lift it straight up Use care to avoid bending the sensor pins WARNING When removing a toxic sensor for storage connect a shorting wire to the two pins as shown e New toxic sensors are shipped with a shorting wire attached Remove the shorting wire from the new sensor e Immediately install the sensor in the instrument Never apply pressure to the area inside of the black O Ring seal at the top of the sensor 8 4 2 COMBUSTIBLE SENSOR REMOVAL REPLACEMENT e To remove the combustible sensor grasp the sensor and lift it straight up e Press
4. e Press to toggle between LEL and CH combustible sensor span ranges e Press MODE to enter the calibration gas values for all sensors The display will show the first span value eg 25 LEL along with the prompt PRESS FOR NEXT E TO SELECT e Press E to select the value you wish to change The display will flash the current gas value and will scroll the prompt PRESS or TO SET E TO ENTER e Press the and minus keys to set the desired calibration gas value and E to enter the value into memory Once the value has been entered into memory it will become the standard gas value used during instrument calibration e Press the MODE switch to return to the SETSPAN function 6 2 ALARMS The ALARMS function allows you to set the values for the HI and LOW alarms for each installed sensor Default alarm settings for each gas are listed in Section 11 If the hygiene datalogging option is installed you will also be able to set the STEL and TWA alarm values e Press to step from the SETSPAN function to the ALARMS function e Press E to enter the ALARMS function The LATCH function will lock the alarm indicators on when a monitored gas concentration reaches the high alarm setpoint The alarm will reset after the gas concentration has fallen below the alarm setpoint and the user has pressed the E key The display will indicate LATCH along with the scrolling prompt PRESS FOR NEXT E to SELECT e Pr
5. performed prior to use Calibration is most accurate when the instrument has been in a stable temperature environment for at least one hour prior to calibrating NOTE Instrument zero and oxygen span calibration should be performed in clean air containing 20 95 21 oxygen If you are measuring a known combustible gas use a known concentration of that gas for calibration For general combustible gas measurement Industrial Scientific Corporation recommends calibrating to pentane in the 15 50 LEL range The measured LEL concentration of gases other than the calibration gas may not correspond on a one to one basis with the monitor reading Always use teflon or teflon lined tubing when calibrating The ATX612 utilizes a one button calibration system When using multi gas cylinders a full instrument calibration can be performed in a single step Multi gas cylinders are available for the most common instrument configurations To calibrate the ATX612 e From the normal READING mode press the MODE switch twice to access the ZERO operating mode ZERU e Press the E key to start the instrument zeroing process The instrument display will indicate ZEROING e When zeroing is complete the instrument display will indicate O2 CAL and will show the current full span value of the oxygen sensor The oxygen sensor will be calibrated to 21 0 in approximately 30 seconds Instrument zeroing and oxygen calibration may be aborted at any ti
6. reset to zero If there is insufficient memory to log approximately 12 hours of data when the hygiene function is reset the real time clock value will be displayed as RTOR OR When the memory is full both the real time and log time will be displayed as OR OR At this time the data may be cleared by performing a hygiene reset as described above All currently stored data will be overwritten The stored data may be down loaded using the ATX hygiene datalogging software 7 4 DOWNLOADING THE ATX612 To connect the ATX612 for downloading data to the PC e Start the datalog software on the PC e Connect the interface cable to the infrared data port on the bottom of the ATX612 e Select CONNECT from the menu on the datalog software e Turn on the instrument when prompted e The ATX612 will show CONNECT and the instrument will begin communicating with the PC hi MAINTENANCE 8 1 CLEANING Wipe the outside of the instrument with a soft clean cloth Never use solvents or cleaning solutions of any type 8 2 CHANGING THE BATTERY PACK To change the ATX612 battery pack e Hold the instrument with battery pack facing up e Using the maintenance tool provided with the instrument turn counter clockwise and loosen the two hex screws in the battery pack e Remove the battery pack See Section 8 2 1 for instructions of replacing the Nicad battery module e Place the batter
7. 1706 1284 Case Top 1 17 1705 8306 Key Pad 1 18 1706 0500 Alarm Lens 1 19 1705 8652 Alarm Lens Gasket 1 CMIGANWRWNE Figure 6 25 24 26 l SPECIFICATIONS CASE Type 304 Stainless Steel 8 2 L x 3 7 W x 3 2 H 208 X 94 X 81 mm DIMENSIONS WEIGHT 3 4 Ibs 1 5 kg Combustible Gases and Methane Catalytic Oxygen and Toxic Gases Electrochemical SENSORS MEASURING RANGE LEL Combustible Gases 0 to 100 LEL in 1 increments CH Methane 0 to 5 of volume in 0 1 increments O Oxygen 0 to 30 of volume in 0 1 increments CO Carbon Monoxide 0 to 999 PPM parts per million in 1 PPM increments H S Hydrogen Sulfide 0 to 999 PPM parts per million in 1 PPM increments SO Sulfur Dioxide 0 to 99 9 PPM parts per million in 0 1 PPM increments NO Nitrogen Dioxide 0 to 99 9 PPM parts per million in 0 1 PPM increments C1 Chlorine 0 to 99 9 PPM parts per million in 0 1 PPM increments C10 Chlorine Dioxide 0 to 99 9 PPM parts per million in 0 1 PPM increments POWER SOURCE Rechargeable replaceable nickel cadmium battery pack or replaceable cell alkaline battery pack BATTERY Lire With Nicad Battery Pack 16 hours typical With Alkaline Battery Pack 20 hours typical READOUT Alpha Numeric Liquid Crystal Display TEMPERATURE RANGE With H S Sensor 20 C to 50 C 4 F to 122 F 40 C to 50 C 40 F to 122 F HUMIDITY
8. EPLACEMENT OR REPAIR OF SUCH NON CONFORMING GOODS OR REFUND OF THE ORIGINAL PURCHASE PRICE OF THE NON CONFORMING GOODS IN NO EVENT WILL INDUSTRIAL SCIENTIFIC BE LIABLE FOR ANY OTHER SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING LOSS OF PROFIT OR LOSS OF USE ARISING OUT OF THE SALE MANUFACTURE OR USE OF ANY PRODUCTS SOLD HEREUNDER WHETHER SUCH CLAIM IS PLEADED IN CONTRACT OR IN TORT INCLUDING STRICT LIABILITY IN TORT It shall be an express condition to Industrial Scientific s warranty that all products be carefully inspected for damage by Buyer upon receipt be properly calibrated for Buyer s particular use and be used repaired and maintained in strict accordance with the instructions set forth in Industrial Scientific s product literature Repair or maintenance by non qualified personnel will invalidate the warranty as will the use of non approved consumables or spare parts As with any other sophisticated product it is essential and a condition of Industrial Scientific s warranty that all personnel using the products be fully acquainted with their use capabilities and limitations as set forth in the applicable product literature Buyer acknowledges that it alone has determined the intended purpose and suitability of the goods purchased It is expressly agreed by the parties that any technical or other advice given by Industrial Scientific with respect to the use of the goods or services is given without charge an
9. Multi Gas Monitor P N 1706 3421 REV 03 Printed 0900 2000 Specifications Subject to Change GUARANTEED 1001 Oakdale Road Oakdale PA 15071 1500 412 788 4353 Toll Free 1 800 DETECTS FAX 412 788 8353 Service Dept 1 888 788 4353 Instruction INDUSTRIAL SCIENTIFIC Manual CORPORATION OUR MISSION Design Manufacture Sell Highest quality products for the preservation of life and property Provide Best customer service available Dear Valued Customer Thank you for buying and using Industrial Scientific s Model ATX612 Multi Gas Monitor Your ATX612 can be relied upon for dependable service day after day It has been designed manufactured tested and proven under the most scrutinizing conditions possible With the minimal care and maintenance described in this Instruction Manual it will provide you with years of reliable monitoring I am most concerned that you be pleased with the performance of your ATX612 in the months and years ahead I urge you to call us with any questions or comments you may have Often times a phone call and a question can save you hours of frustration Please never hesitate to contact me at 1 800 DETECTS 338 3287 All of us at Industrial Scientific appreciate the opportunity to serve you Sincerely Kent D McElhattan President amp CEO Industrial Scientific Corporation Multi Gas Monitor TABLE OF CONTENTS I WARNINGS AND CAUTIONARY STATEMENTS 3 2 U
10. NPACKING THE INSTRUMENT 4 3 ATX612 FEATURES 4 4 INSTRUMENT OPERATION 5 4 1 Charging the Battery 5 4 1 1 Alkaline Battery Option 8 4 2 Turning the ATX612 On and Off 8 4 3 Display Backlight 8 4 4 Internal Sampling Pump 8 4 5 Operating Modes 9 4 5 1 Reading 9 4 5 2 Sensor Configuration 9 4 5 3 PPM Hydrocarbon 9 4 5 4 Zero 9 4 5 5 Peak 9 4 5 6 Peak Clear 10 4 5 7 Date 10 4 5 8 Cal Date 10 4 5 9 Log Time 10 4 5 10 TWA 10 4 5 11 STEL 10 4 5 12 Hygiene Reset 10 4 6 Alarm Indicators 10 4 6 1 Low Alarm 10 4 6 2 High Alarm 11 4 6 3 Over Range Indication 11 4 6 4 Combustible Gas Over Range 11 4 6 5 Low Battery Warning 11 4 6 6 Battery Failure 12 4 6 7 Fault Indication 12 5 CALIBRATING THE ATX612 12 6 CHANGING INSTRUMENT SETTINGS 15 6 1 Setspan 15 6 2 Alarms 16 6 3 Code 17 7 HYGIENE DATALOGGING FUNCTIONS 17 7 1 Definition of Terms 17 7 1 1 Data Log 17 7 1 2 Period 18 7 1 3 Logging Session 18 7 1 4 Real Time Clock 18 7 1 5 Log Time Clock 18 7 1 6 Calendar 18 7 1 7 TWA 18 7 1 8 STEL 18 7 2 Principles of Operation 18 7 3 Resetting the Hygiene Functions 19 7 4 Downloading the ATX612 19 8 MAINTENANCE 20 8 1 Cleaning 20 8 2 Changing the Battery 20 8 2 1 Replacing the Nicad Battery Module 20 8 2 2 Replacing Alkaline Battery Cells 21 8 3 Opening the Instrument for Service 21 8 4 Installing or Changing Sensors 21 8 4 1 Toxic Oxygen Sensor Removal Replacement 22 8 4 2 Combustible Sensor Rem
11. One Button calibration microprocessor controlled e Built in pump for remote gas sampling e Backlit display for viewing in low light conditions e Round the clock monitoring capability using the interchangeable rechargeable nickel cadmium Nicad or replaceable alkaline battery packs e Plug in sensors that can be changed or replaced without special tools or soldering equipment e 90 dB audible and ultra bright visual alarm indicators e Optional external audible or vibrating alarms e High and low alarms for combustible and toxic gases enrichment and depletion alarms for oxygen e User selectable latching alarms e User selectable access code for security of calibration and alarm settings e Combustible gas OVER RANGE protection e PEAK reading mode e Press and hold power switch to prevent accidental turn ON or turn OFF e Hygiene Datalogging option that can be installed by the factory or the customer to provide short term exposure limit STEL and time weighted average TWA readings with 110 hours datalogging capacity e The ATX612 is classified as intrinsically safe by the following agencies Underwriters Laboratories UL Canadian Standards Association CSA Canadian Standards Association has assessed only the combustible gas portion of this instrument for performance Mine Safety and Health Administration MSHA Workcover Authority NSW Australia Department of Mineral Resource NSW Australia
12. RANGE 0 to 99 RH Non condensing STORAGE TEMPERATURE 0 C to 20 C 32 F to 68 F l GAS O LEL CH cO H S SO NO Cl CIO NOTE 12 DEFAULT ALARM SETTINGS LOW ALARM HIGH ALARM 19 5 23 5 10 20 1 0 1 5 35 PPM 70 PPM 10 PPM 20 PPM 2 0 PM 4 0 PPM 3 0 PPM 6 0 PPM 0 5 PPM 1 0 PPM 0 3 PPM 1 0 PPM Factory alarm settings may not coincide with local regulations Consult all appropriate local regulations for appropriate alarm settings in your region ATX612 OPTIONS amp ORDERING INFORMATION PART NUMBER DESCRIPTION QTY 1705 0788 PPM Combustible Sensor 1705 0129 Oxygen Sensor 1704 1898 Hydrogen Sulfide Sensor 1704 1880 Carbon Monoxide Sensor 1704 1914 Chlorine sensor 1704 4204 CLO sensor 1704 1922 Nitrogen Dioxide Sensor 1704 1906 Sulfur Dioxide Sensor 1810 1386 Stainless Steel Extendible Probe 6ft 1810 1428 Polycarbonate Probe 1705 9494 Rechargeable Nicad Battery Pack 1705 9312 Replaceable Alkaline Battery Pack 6 C cell 1810 3259 Leather Carrying Case for ATX612 1810 0628 Shoulder Strap 1810 2921 Carrying Handle for ATX612 1810 1154 External Audible Visual Alarm 1810 2146 External Vibrating Alarm 1810 2187 Cylinder Cal Gas H S CO Pentane and Oxygen 1810 1576 Cylinder Cal Gas Carbon Monoxide Pentane and Oxygen 1810 2165 Cylinder Cal Gas Carbon Monoxide Methane and Oxygen 1810 1584 Cylinder Cal Gas Zero Air 1810 2222 Cylinder Cal Gas 5 PPM Sulfur D
13. ak readings were last cleared TWA and STEL readings do not apply to oxygen and combustible gas exposure 10 4 5 6 PEAK CLEAR This mode will clear all stored peak readings from the instrument Press enter E to clear the peak readings The display will return to the PEAK mode and indicate that the peak readings have been reset If the hygiene datalogging option is installed the following operating modes may also be accessed See Section 7 Hygiene Datalogging Functions for further instructions 4 5 7 DATE This screen allows the user to see the current date month day 4 5 8 CAL DATE This mode allows the user to see the date the instrument was last calibrated 4 5 9 LOG TIME This mode allows the user to view the current real time RT and the length of time that data has been recorded in the current session LT 4 5 10 TWA Time Weighted Average This mode displays the current time weighted average exposure values of the toxic sensors 4 5 11 STEL Short Term Exposure Limit This mode displays the short term average exposure values of the toxic sensors installed in the instrument 4 5 12 HYGIENE RESET This mode allows the user to reset the hygiene session and the STEL and TWA exposure values 4 6 ALARM INDICATORS 4 6 1 LOW ALARM When a monitored gas concentration reaches the low level alarm setpoint the instrument emits a short beep approximately every 1 2 seconds The red alar
14. ccessed and changed during the instrument startup sequence The and hidden keys are used to set instrument alarm and calibration values Refer to page 6 Figure 1 for the location of the hidden keys To access the instrument menus e Turn the ATX612 off and back on again e When the display shows the warm up timer press the plus and minus keys simultaneously If the instrument security code has been set to a value Se ES other than 0 the CODE screen will be displayed along E F g F with the scrolling prompt PRESS OR TO SET E p m E EE TO ENTER Use the and keys to input the correct NE SA security code value and press E When the correct code has been entered successfully the instrument will immediately enter the settings mode The settings mode consists of three functions SETSPAN ALARMS CODE The scrolling prompt PRESS FOR NEXT E TO SELECT appears on each screen Press the to step through the list and E to select any of the functions Pressing the MODE switch at any one of the functions will cause the instrument to return to the normal operating mode 6 1 SETSPAN The SETSPAN function allows the user to set the combustible sensor monitoring range to either LEL or CH and to set the calibration gas values for the combustible and toxic sensors e Press E to enter the SETSPAN function The display will show LEL along with the prompt PRESS TO CHANGE
15. d and displayed only after a successful calibration has been completed The sampling pump system is equipped with a low flow detection alarm A low flow alarm condition will occur if the dust filter water stop becomes clogged or the sample line becomes blocked in any way The instrument will sound a continuous tone the red alarm light bar will flash and the display will read PUMP FAULT If this should occur replace the dust filter water stop immediately See Section 9 The unit will not operate and a low flow alarm condition will remain if the dust filter water stop is removed from the instrument The PUMP FAULT alarm will be reset once the obstruction has been cleared from the sample line 3 CALIBRATING THE ATX612 The ATX612 is a potential life saving device Recognizing this fact Industrial Scientific Corporation recommends that a functional bump test be performed on every instrument prior to each use A functional test is defined as a brief exposure of the monitor to a known concentration of gas es for the purpose of verifying sensor and alarm operation It is not intended to be a measure of the accuracy of the instrument Industrial Scientific also recommends that a full instrument calibration be performed using a certified concentration s of calibration gas es monthly to ensure maximum accuracy If an instrument fails to operate properly following any functional bump test a full instrument calibration should be
16. d at Buyer s risk therefore Industrial Scientific assumes no obligations or liability for the advice given or results obtained 29
17. ernating Green Amber Trouble electrical problem in battery pack A fully charged Nicad battery pack will typically operate a four gas configured ATX612 for up to 16 hours When the instrument is in the normal viewing mode an eight segment battery status indicator continuously displays the battery condition Each segment represents approximately 2 hours of operating time When the battery is fully discharged the display will read BATTERY FAIL and the instrument will emit a short beep once a second See Section 4 6 6 Turn off the instrument and recharge the battery pack when BATTERY FAIL appears WARNING Recharge Nicad battery pack only in a non hazardous location Display INDUSTRIAL SCIENTIFIC Hidden Key Enter Backlight Key Alarm Speaker Battery Pack Hex Screws Shoulder Strap Optional Handle Attachment S External Alarm Jack Interchangeable Nicad or Alkaline Battery Pack Figure 1 Figure 3 PECERSI 4 1 1 ALKALINE BATTERY OPTION The ATX612 is available with an optional alkaline battery pack which will typically operate continuously for up to 20 hours using 6 C cell batteries WARNING Replace alkaline battery cells only in a non hazardous location Use only Duracell Energizer Procell Panasonic Varta or Kodak C cell alkaline batteries Use of another battery type may present a risk of fire or explosion and will violate the intrinsic safety certification of the ATX612
18. ess E to select the LATCH function The display will indicate LATCH along with the prompt PRESS FOR NEXT E TO SELECT e Press E to set the ATX612 high alarm latch as ON or OFF Press MODE to return to the LATCH screen e Press to step to the INSTANT function and set N T A N T instantaneous alarm values The display will indicate INSTANT along with the scrolling prompt PRESS FOR NEXT E TO SELECT e Press E to enter the instantaneous alarms function The display will show the first alarm to be set along with the scrolling prompt PRESS FOR NEXT E TO SELECT The alarm type will be indicated on the display as either high H or low L e Press E to select the desired alarm to be changed The display will flash the current alarm value along with the prompt PRESS OR TO SET E TO SELECT e Press the and keys to set the desired alarm value and E to enter the value into memory e Press MODE to return to the INSTANT function e Press to step to the TWA and STEL alarm functions The TWA and STEL alarm values are set as previously described 6 3 CODE The CODE function allows the user to select a security L F DE eaten TET code to protect calibration and all instrument alarm 4 5 settings When the code is set to any value other than 0 the user will be prompted to enter the proper code prior to entering the settings or calibration modes r i e Press to ste
19. ioxide 1810 1758 Cylinder Cal Gas 10 PPM Chlorine 1810 2219 Cylinder Cal Gas 5 PPM Nitrogen Dioxide 1810 2509 Demand Flow Regulator with Pressure Gauge 27 28 l 3 WARRANTY Industrial Scientific portable gas monitoring instruments are warranted to be free from defects in material and workmanship for as long as the instrument is in service The above warranty does not include sensors battery packs internal pumps or filters all of which are warranted to be free from defects in material and workmanship for eighteen months from the date of shipment or one year from the date of first use whichever occurs first except where otherwise stated in writing in Industrial Scientific literature accompanying the product All other Industrial Scientific products are warranted to be free from defects in material and workmanship for a period of eighteen 18 months from the date of shipment or one 1 year from the date of first use whichever occurs first except where otherwise stated in writing in Industrial Scientific literature accompanying the product LIMITATION OF LIABILITY INDUSTRIAL SCIENTIFIC MAKES NO OTHER WARRANTIES EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE SHOULD THE PRODUCT FAIL TO CONFORM TO THE ABOVE WARRANTY BUYER S ONLY REMEDY AND INDUSTRIAL SCIENTIFIC S ONLY OBLIGATION SHALL BE AT INDUSTRIAL SCIENTIFIC S SOLE OPTION R
20. llow 2 seconds per foot 0 3 meter of tubing length in addition to the normal sensor response time before observing the instrument readings The instrument is protected from drawing liquid and dust into the pump and sensors by an internal 1 2 micron dust filter water stop 4 5 OPERATING MODES The ATX612 offers different operating modes to access various instrument features To scroll through the operating modes press and release the MODE switch The operating modes will appear in the following order 4 5 1 READING This is the normal operating mode The current reading of all sensors is displayed along with the graphical battery charge indicator 4 5 2 SENSOR CONFIGURATION This mode will display the type of sensor in the position in which it is installed in the instrument 4 5 3 PPM HYDROCARBON This mode displays the level of total hydrocarbons with 50 PPM resolution The PPM reading may be rezeroed at anytime by pressing the enter E key The display will return to the normal operating mode if the gas concentration exceeds the LEL alarm level set in the instrument 4 5 4 ZERO This mode allows the user to zero the instrument and calibrate all installed sensors Refer to Section 5 Calibrating the ATX612 for instruction on the use of the automatic zero and calibration functions 4 5 5 PEAK This mode will display the highest level of toxic and combustible gas and the lowest level of oxygen measured since the pe
21. ly in a non hazardous location A Use the RS 232 port only in a non hazardous location A Instrument is tested for intrinsic safety in explosive gas air 21 oxygen mixtures only CAUTION High Over Range OR combustible gas readings may indicate an explosive concentration of combustible gas 2 UNPACKING THE INSTRUMENT The shipping box should contain the following items Account for each item before discarding the box QUANTITY PARTNUMBER DESCRIPTION 1 1810 2707 ATX612 Multi Gas Monitor 1 1706 3421 ATX612 Instruction Manual 1 1706 3256 Maintenance Tool 1 1810 0628 Shoulder Strap 1 1810 3077 Charging Adapter with Nicad Battery Only 1 1705 1710 Power Cord After unpacking if any listed item is missing contact either your local distributor of Industrial Scientific products or call Industrial Scientific Corporation at 1 800 DETECTS 338 3287 in the United States and Canada or 412 788 4353 ATX612 FEATURES The Industrial Scientific ATX612 Multi Gas Monitor may be configured to continuously monitor one two three or four gases in any combination of the following e Oxygen e Combustible gases LEL or methane by volume CH User selects LEL or CH prior to calibration e Any two of the following toxic gases Carbon Monoxide Hydrogen Sulfide Sulfur Dioxide Chlorine Nitrogen Dioxide Chlorine Dioxide e The ATX612 automatically recognizes and displays the installed sensors when switched on e
22. m light bar and backlight will flash simultaneously along with the displayed gas value If the hygiene datalogging option is installed the TWA alarm will mimic the low alarm indicator and the TWA display value in alarm will flash 4 6 2 HIGH ALARM When a monitored gas concentration reaches the high alarm level setpoint the instrument emits a continuous dual tone alarm As with the low alarm condition the red alarm light bar and backlight will flash simultaneously with the displayed gas value If the hygiene datalogging option is installed the STEL alarm will mimic the high alarm indicator and the STEL display value in alarm will flash NOTE The ATX612 uses the continuous high alarm tone for both low depletion and high enrichment oxygen alarm conditions 4 6 3 OVER RANGE INDICATION An over range condition occurs when a sensor reading exceeds the upper limit of the instrument display range Over Range is indicated by OR in the appropriate sensor display location With the exception of combustible gas over range all over range conditions will clear automatically when the gas concentrations have decreased to levels within the display range of the instrument 4 6 4 COMBUSTIBLE GAS OVER RANGE When the ATX612 detects combustible gases in excess of 100 of LEL 5 CH4 by volume a high alarm condition is latched locked on and OR is displayed in place of the combustible gas reading Power is removed from the combustible gas
23. me by pressing the MODE switch NOTE Zeroing the instrument in clean air is preferred provided that there is no trace of toxic or combustible gas If the air purity is uncertain use a cylinder of zero grade air to zero the instrument and span the oxygen sensor e At the completion of the oxygen sensor calibration the instrument will emit a short beep and the display will indicate GO CAL The message PRESS E to CAL will scroll across the bottom of the display Press E to continue calibrating the remaining sensors If you ignore this message the instrument will return to the normal operating mode in approximately eight seconds B e To continue full calibration press E and the instrument will display the first sensor to be calibrated along with the calibration gas setting The message APPLY CAL GAS will scroll across the bottom of the display NOTE Jf the gas concentration does not match the setting press the MODE switch to abort calibration See Section 6 1 SETSPAN to change the calibration gas settings NOTE APPLY CAL GAS means connect the sample tubing to the appropriate calibration gas cylinder with either a ILPM or preferrably a demand flow regulator Connect the tubing to the gas sample inlet of the ATX612 Turn on gas supply e Apply the calibration gas The instrument will wait for five minutes to sense that calibration gas has been applied before aborting and failing calibration When the sensor detects a gas co
24. ncentration greater than 50 of the calibration gas value the display will indicate the current full span value for that sensor The message CAL IN PROGRESS will scroll across the bottom of the display e When calibration of the sensor has been successfully completed the instrument will automatically step to the next sensor to be calibrated and the preceding step will be repeated e When all sensors have been calibrated successfully the instrument will emit a short beep and the sensor configuration will be shown on the display e If calibration results in marginal sensor span values sensor identifiers will flash on the display Marginal calibration will occur if the sensor full span value is less than 70 of the applied gas concentration A marginal sensor calibration may be an early warning sign that the sensor will soon need to be replaced NOTE Jf the sensor full span value is less than 50 of the calibration gas value calibration will fail and the instrument will immediately return to the real time READING mode When failed calibration or low sensitivity is indicated verify that the calibration cylinder has not emptied or that the cylinder expiration date has not passed e After displaying the sensor configuration the instrument will automatically return to the real time READING mode 6 CHANGING INSTRUMENT SETTINGS Instrument settings including alarm values calibration gas concentrations and security code may only be a
25. oval Replacement 22 8 5 Changing the Internal Filter 22 9 REPLACEMENT PARTS 23 10 SPECIFICATIONS 26 11 DEFAULT ALARM SETTINGS 27 12 ATX612 Options amp ORDERING INFORMATION 27 13 WARRANTY 28 WARNINGS AND CAUTIONARY STATEMENTS Failure to perform certain procedures or note certain conditions may impair the performance of the instrument For maximum safety and performance please read and follow the procedures and conditions outlined below A Oxygen deficient atmospheres may cause combustible gas readings to be lower than actual concentrations A Oxygen enriched atmospheres may cause combustible gas readings to be higher than actual concentrations A Calibrate the combustible gas sensor after each incident where the combustible gas content causes the instrument to latch in the OVER RANGE alarm condition A Silicone compound vapors may affect the combustible gas sensor and cause readings of combustible gas to be lower than actual gas concentrations If the instrument has been used in an area where silicone vapors were present always calibrate the instrument before next use to ensure accurate measurements A Sensor openings and water barriers must be kept clean Obstruction of the sensor openings and or contamination of the water barriers may cause readings to be lower than actual gas concentrations A Sudden changes in atmospheric pressure may cause temporary fluctuations in the oxygen reading A Recharge battery on
26. p from the ALARMS function to the CODE function e Press E to enter the code function The display will show the current code setting along with the scrolling prompt PRESS OR TO SET E TO ENTER e Press the and keys to set the code to any value between 0 and 999 and E to enter the value into memory e Press MODE to return to the CODE function HYGIENE DATALOGGING FUNCTIONS 7 1 DEFINITION OF TERMS 7 1 1 DATA LOG The record of measured gas concentrations including time and date stored in the instrument s electronic memory 18 7 1 2 PERIOD The logging time that begins when the instrument is turned on and initiates normal operation and lasts until the instrument is turned off 7 1 3 LOGGING SESSION One or more periods of normal instrument operation between hygiene function resets 7 1 4 REAL TIME CLOCK The internal clock that maintains the current time 7 15 LOG TIME CLOCK The running clock that monitors the length of time logged during a session 7 16 CALENDAR A part of the real time clock that maintains the current date 7 1 7 TWA TIME WEIGHTED AVERAGE The accumulated gas exposure averaged over a predetermined time typically eight hours 7 1 8 STEL SHORT TERM EXPOSURE LIMIT The accumulated gas exposure value averaged for the proceeding fifteen minutes 7 2 PRINCIPLES OF OPERATION If the ATX612 is equipped with the hygiene datalogging option all sensor reading
27. s are sent to the hygiene module Once every minute the readings are averaged saved to the memory and the TWA and STEL values are calculated for the toxic sensors The TWA and STEL values are then tested for possible alarm conditions The default time base for calculating TWA values is eight hours However the time base may be changed to any value in the range from one to 40 hours using the optional ATX Hygiene Datalogging Software and a personal computer The instrument memory provides storage capacity for approximately 110 hours of logged data in an instrument with four sensors installed The datalogging section of the instrument is always powered and a battery backup circuit protects it from loss of data for up to 40 minutes during battery changes NOTE The instrument must be stored on a battery charger when not in use to prevent loss of data due to battery discharge 7 3 RESETTING THE HYGIENE FUNCTIONS NOTE Jf you are using the datalogging feature be sure the correct date and time are programmed by checking setting the Real Time Clock and Calendar using the optional ATX Hygiene Datalogging Software e Press MODE repeatedly to step to the HYGIENE screen e Press E to reset the hygiene function and begin a new datalogging session The instrument display will return to the LOG TIME mode and the display will indicate that the log time LT will be reset to 00 00 The TWA and STEL values for all toxic sensors will also be
28. sensor to prevent damage due to the high level of combustible gas To clear the combustible gas over range alarm e Exit the hazardous area immediately e Press E key in clean air NOTE When the instrument is turned on the combustible gas level must be less than 100 of LEL 5 CH to clear the combustible gas over range condition 4 6 5 LOW BATTERY WARNING With 15 60 minutes of run time remaining the ATX612 will emit a short beep once every 60 seconds and the battery status indicator will be replaced with a flashing B to indicate the low battery condition NOTE The length of warning time will increase when there is no combustible gas sensor installed in the instrument 11 4 6 6 BATTERY FAILURE When the battery has insufficient charge to operate the instrument BATTERY FAIL is displayed The visual alarm will be activated and the instrument will emit a short beep once every second for approximately 30 seconds after which the instrument will turn itself off Recharge or replace the battery See Section 8 2 4 6 7 FAULT INDICATION The ATX612 will emit a short beep once a second if a newly installed sensor does not agree with the previous sensor type for that position The corresponding display position will be blank This fault indication also occurs when a sensor becomes disconnected or a combustible sensor fault is detected during normal operation Installed sensor types are accepte
29. the new sensor firmly into the sockets on the PC board 8 5 CHANGING THE INTERNAL FILTER If the internal dust filter water stop becomes blocked a PUMP FAULT alarm will result The filter must be replaced immediately before continuing operation To remove and replace the internal dust filter water stop from the instrument e Unscrew and remove the knurled sample inlet fitting from the instrument as shown in Figure 6 e Grasp the dust filter water stop from the instrument and pull straight out to remove e Replace the dust filter water stop making sure that the larger diameter opening of the filter is facing inward e Replace the knurled sample inlet fitting NOTE The ATX612 will remain in a PUMP FAULT condition if operation is attempted with the dust filter water stop removed 9 REPLACEMENT PARTS The following items numbers refer to the exploded view drawing on pages 24 and 25 ITEM PART NUMBER DESCRIPTION QTY 1705 8868 Main PC Board 1 1705 6755 Display PC Board 1 1705 9247 Interface PC Board 1 1705 9031 Chassis 1 1706 3447 Pump Assembly 1 1705 9494 Nicad Battery Pack 1705 9312 Alkaline Battery Pack 1706 0716 Case Gasket 1 1706 2498 Filter Housing 1 1705 8157 Dust Filter Water Stop 1 2 Micron 1 10 1705 7118 Speaker 1 11 1705 8660 Speaker Gasket 1 12 1705 8140 Speaker Water Barrier 1 13 1706 0674 Sensor Manifold 1 14 1702 8374 External Alarm Jack 1 15 1705 0295 RFI Screen 1 16
30. y pack on the instrument Turn the hex screws clockwise until the screws are tight and reach the stops DO NOT OVER TIGHTEN The Nicad cells within the battery pack may be replaced Battery Pack when necessary by installing a new Nicad battery module Hex Screws To replace the Nicad battery module Nicad Battery Module Battery Pack Figure 4 20 F igure 5 8 2 1 REPLACING THE NICAD BATTERY MODULE e Remove the battery pack from the instrument as described in Section 8 2 e Remove the two screws which hold the battery module in place as shown in Figure 4 e Lift the Nicad battery module from the battery pack e Place the new Nicad module in the battery pack e Replace the two screws which hold the Nicad module in place 8 2 2 REPLACING ALKALINE BATTERY CELLS The alkaline battery pack holds 6 C cell batteries To replace the alkaline battery cells e Remove the battery pack from the instrument as described in Section 8 2 e Remove the alkaline cells from the battery pack e Insert the new cells making sure to observe proper polarity NOTE Proper polarity of the alkaline battery cells is identified by the molded and symbols in the bottom of the battery pack In addition the positive battery contact is identified by the red polarizing tab 8 3 OPENING THE INSTRUMENT FOR SERVICE To open the instrument for service e
Download Pdf Manuals
Related Search