RKI Instruments CO-04C Operator'S Manual Download Page 2 | Manualshive

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2 •

04 Series for CO(-H2)

WARNING

Read and understand this instruction manual before operating
instrument. Improper use of the gas monitor could result in
bodily harm or death.

Maintenance of the gas monitor is essential for proper
operation and correct readings.

Bump test the instrument before each day’s use with a known
concentration of the target gas. A bump test can be done in User
Mode’s BUMP item or by applying gas in Measuring Mode.
The instrument does not need to be calibrated unless it does not
pass the User Mode bump test or does not respond
appropriately, as defined by the user, in Measuring Mode. For
more information about bump test and calibration
requirements, see IEC 60079-29-2.

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Summary of Contents for CO-04C

Page 1: ...www rkiinstruments com CO 04C Operator s Manual Part Number 71 0522 Revision P2 Released 5 24 21 ...

Page 2: ...rect readings Bump test the instrument before each day s use with a known concentration of the target gas A bump test can be done in User Mode s BUMP item or by applying gas in Measuring Mode The instrument does not need to be calibrated unless it does not pass the User Mode bump test or does not respond appropriately as defined by the user in Measuring Mode For more information about bump test an...

Page 3: ... Port 11 Batteries 11 Standard Accessories 12 Alligator Clip 12 Optional Accessories 13 Watch Band 13 Calibration Cup 13 IrDA USB Cable 13 Chapter 3 Measuring Mode 14 Overview 14 Start Up 14 Turning On the CO 04C 14 Performing a Demand Zero 18 Turning Off the CO 04C 19 Measuring Mode Operation 20 Monitoring an Area 20 Alarms 21 Alarm Indications 21 Responding to Alarms 23 Data Logging 26 Chapter 4...

Page 4: ...Confirmation Beep and Non Compliance Indicator BEEP 59 Updating the Backlight Time BL TIME 61 Turning the Key Tone On Off KEY TONE 61 Display Mode Items DISP SET 61 Zero Suppression ZERO SUP 62 Zero Follower ZERO FLW 62 Turning Easy Calibration On Off E CAL 62 Setting the Date Time DATE 63 Turning the Password On Off PASS W 63 Viewing the ROM SUM ROM SUM 64 Entering Measuring Mode START 64 Chapter...

Page 5: ...ode 88 Tips for Using Gas Select Mode 89 Saving the Alarm Points SAVE AP 89 Turning the Calibration Max Span On Off MAX SPAN 90 Stealth and Vibrator Settings STEALTH 91 Exiting Gas Select Mode START 91 WARNING Understand manual before operating This is an intrinsically safe product Substitution of components may impair intrinsic safety To prevent ignition of a hazardous atmosphere batteries must o...

Page 6: ...s for unit malfunction Microprocessor control for reliability ease of use and advanced capabilities Data logging functions Alarm trend data STEL TWA and over range alarms Peak reading Built in time function Lunch break feature QPS C US classification for Class I Division I Groups A B C and D hazardous atmospheres WARNING The Model CO 04C detects elevated levels of carbon monoxide which can be dang...

Page 7: ...5 of reading or 5 ppm CO whichever is greater Service Range 20 of reading Safety Regulatory ATEX Certificate Number DEKRA 19ATEX0097 II 1G Ex ia IIC T4 Ga with alkaline batteries II 1G Ex ia IIC T3 Ga with Ni MH batteries IECEx Certificate Number IECEx DEK 19 0059 Ex ia IIC T4 Ga with alkaline batteries Ex ia IIC T3 Ga with Ni MH batteries QPS classified C US as Intrinsically Safe Exia Class I Gro...

Page 8: ...njury or death Case High impact Plastic RF Shielded Dust and Weather Proof IP67 Standard Accessories Alligator clip Rubber boot Optional Accessories Belt clip Calibration cup Datalogging and Setup Programs Windows 7 8 and 10 available at www rkiinstruments com 04series IrDA USB Cable for connecting to a computer when using the Datalogging and Setup Programs not needed if computer has an infrared p...

Page 9: ...t of the case for viewing the LCD The sensor retainer is located on the right side of the case and allows access to the filters and sensor A feature in the lower left corner of the rear case is used to install the optional wrist strap LCD A digital LCD liquid crystal display is visible through a clear plastic window in the top case The LCD shows the gas reading The LCD also shows information for e...

Page 10: ... the sensor face and allows gas to diffuse into the electrolyte The gas reacts in the sensor and produces a current proportional to the concentration of the target gas The CO 04C s circuitry amplifies the current converts the current to a gas concentration and displays the concentration on the LCD This sensor does not respond to or responds minimally to hydrogen displays H2 RICH once H2 concentrat...

Page 11: ...tteries alkaline or Ni MH power the CO 04C At 25 C alkaline batteries will last at least 6 200 hours 258 days and Ni MH batteries will last at least 4 200 hours 175 days The battery icon in the upper right of the LCD shows remaining battery life A low battery warning activates when the CO 04C detects a low battery voltage The CO 04C sounds a dead battery alarm when battery voltage is too low for M...

Page 12: ... the alligator clip to attach the CO 04C to clothing or a belt Teeth in the alligator clip s jaws prevent slipping The alligator clip can be rotated to change the instrument s orientation Protective Rubber Boot A protective rubber boot is installed over the CO 04C Open Alligator Clip Closed Figure 2 Alligator Clip Side Front Figure 3 Rubber Boot ...

Page 13: ...ects to a feature on the back case Calibration Cup The calibration cup installs over the sensor You must use the calibration cup when performing a bump test calibration or gas test IrDA USB Cable Unless your computer has a built in IrDA port a IrDA USB cable is needed to establish communication between the CO 04C and the Datalogging Program or the Setup Program Belt Clip Figure 4 Belt Clip Figure ...

Page 14: ...ce Mode If any of these items are turned off then the corresponding screens do not appear 1 Press and briefly hold down POWER MODE Release the button when you hear a beep 2 If LUNCH is set to ON factory setting if OFF see pg 59 the Lunch Break Screen appears The unit counts down from 5 seconds a Continue Accumulating To continue accumulating peak and time weighted average TWA readings from the las...

Page 15: ...ation press and release AIR The CO 04C cannot be used until a successful calibration is per formed Press and release POWER MODE to enter User Mode and perform a calibration The instrument takes you straight to the calibration start screen in User Mode s GAS CAL A CAL E CAL item if Password Pro tection is set to On using the 04 Series Setup Program you must enter a password first If you don t press...

Page 16: ...ue without performing a bump test press and release AIR The CO 04C cannot be used until a successful bump test is performed Press and release POWER MODE to enter User Mode and perform a bump test The instrument takes you straight to the bump test start screen in User Mode s BUMP item if Password Protection is set to On using the 04 Series Setup Program you must enter a password first If you don t ...

Page 17: ...H Setpoint STEL Setpoint and TWA Setpoint 8 If ID DISP is set to ON factory setting is OFF see pg 83 the User ID Screen appears for a few seconds followed by the Station ID Screen 9 If the CO 04C experiences a sensor failure during start up a screen indicating that the sensor failed appears and the buzzer sounds a double pulsing tone once per second You cannot acknowledge the failure and continue ...

Page 18: ...er set password is required to perform an auto zero When the password screen appears adjust each digit with the AIR button and press and release the POWER MODE button to move on to the next digit Once the password is entered the instrument performs the auto zero 11 The CO 04C is now monitoring for gas in Measuring Mode The Measuring Mode Screen displays the current gas reading Performing a Demand ...

Page 19: ...air reading Turning Off the CO 04C 1 Press and hold POWER MODE 2 OFF appears on the display and the buzzer pulses for about five seconds if KEY TONE is set to ON in User Mode 3 Release the button when OFF disappears from the display 4 If Password Protection is turned On factory setting is Off using the 04 Series Setup Program a user set password is required to turn off the CO 04C When the password...

Page 20: ...e an S appears at the bottom of the LCD Backlight In a low light environment press and release either button to turn on the display backlight See pg 61 to program backlight duration Confirmation Non Compliance Indicator If the BEEP item in User Mode is set to anything other than OFF the CO 04C gives periodic indications to confirm that it s operating or to indicate a non compliance see pg 59 Monit...

Page 21: ...d by the CO 04C and their indications Table 4 Alarm Types and Indications Alarm Type Visual Indications Other Indications Warning Concentration of gas rises above the Warning setting Gas reading flashes WARNING appears at the bottom of the LCD Alarm LED flashes once per second Backlight turns on High low tone sounds once per second Vibrator pulses once per second Alarm Concentration of gas rises a...

Page 22: ... M OVER appears at the bottom of the LCD Alarm LED flashes twice per second Backlight turns on High low tone sounds twice per second Vibrator pulses twice per second Low Battery Warning The last bar in the battery icon starts flashing None Dead Battery Alarm Gas reading disappears FAIL BATTERY appears on the LCD Alarm LED flashes once per second Double pulsing tone sounds once per second Sensor Fa...

Page 23: ...utton and press and release the POWER MODE button to move on to the next digit Once the password is entered the alarm condition resets b If LATCH is set to OFF in Maintenance Mode the alarm condition automatically resets when gas reading falls below an alarm setpoint Responding to an H2 RICH Alarm The H2 RICH alarm automatically clears once the hydrogen level decreases below 2000 ppm parts per mil...

Page 24: ...n continues after you replace the sensor contact RKI Instruments Inc for further instructions Responding to Battery Alarms WARNING The CO 04C is not operational as a gas monitoring device during a dead battery alarm Take the CO 04C to a non hazardous area and replace the batteries as described in Replacing the Batteries Alkaline or Ni MH on page 66 The CO 04C is fully functional during a low batte...

Page 25: ...failure occurs the system failure screen displays an error code as shown below 2 The error code meanings are shown in the table below 3 If the error code is anything but 031 the instrument cannot be used Contact RKI Instruments Inc as soon as possible If the error code is 031 press and release POWER MODE to continue into Measuring Mode if the instrument must be used temporarily CAUTION There is no...

Page 26: ... on once and there are no alarms The data logging interval time must be set using the 04 Series Datalogging Program To utilize the CO 04C s downloading capability you need PC with Windows 7 Windows 8 or Windows 10 IrDA port or IrDA USB cable cable available from RKI Instruments Inc 04 Series Datalogging Program available at www rkiinstruments com 04series For a complete description of the Datalogg...

Page 27: ...ode Menu Items Display Mode Menu Item Description PEAK pg 28 Displays the Peak reading STEL pg 28 Displays the STEL reading TWA pg 29 Displays the TWA reading USER ID pg 29 A View and or change the User ID STN ID pg 30 A View and or change the Station ID CAL DATA pg 30 B Displays the last calibration date BP DATA pg 31 C Displays the last bump test date DATE pg 31 Displays the current date and tim...

Page 28: ...e peak reading when it is turned off so it can continue with the same peak when it is turned on again see pg 14 To clear the peak reading do the following NOTE If Password Protection is set to On using the 04 Series Setup Program the peak reading cannot be cleared 1 After entering Display Mode press and release POWER MODE until PEAK appears 2 Press and hold AIR until the screen prompts you to rele...

Page 29: ...n Maintenance Mode is set to ON factory setting is OFF Use this screen to select a user ID from the 128 user IDs that are stored in the CO 04C s memory Before a user ID is selected on a brand new instrument the user ID is The factory installed user IDs have a U_ID_XXX format The user ID provides a way to identify the CO 04C user during a data logging session User IDs can only be selected in this m...

Page 30: ...er to edit the 128 user IDs you must use the 04 Series Datalogging Program or 04 Series Setup Program 1 After entering Display Mode press and release POWER MODE until the STN ID screen sequence appears 2 To change the Station ID press and release AIR The current Station ID flashes 3 Use AIR to scroll to the desired Station ID 4 Press and release POWER MODE to save the Station ID and return to the ...

Page 31: ...appears if BP RMDR is set to ON factory setting is OFF 1 After entering Display Mode press and release POWER MODE until the BP DATA screen sequence appears 2 Press AIR to enter the BP DATA screen The date of the last successful bump test displays 3 When you are done viewing the last bump test date press and release POWER MODE to return to the BP DATA screen in Display Mode Date Time Screen DATE Th...

Page 32: ...ess and release POWER MODE until the ALARM P screen sequence appears 2 Press and release AIR The Full Scale Setting screen appears 3 Use AIR to scroll through the Warning Alarm Alarm H STEL and TWA settings 4 Press and release POWER MODE to return to the Alarm Points Screen 25C TEMP DISP ALARM P DISP YES AIR DISP NO MODE CO 2000 F S ppm CO 25 WARNING ppm CO 50 ALARM ppm CO 1200 ALARM H ppm CO 200 ...

Page 33: ...factory setting HI factory setting Buzzer volume is high LO Buzzer volume is low 1 While in Display Mode press and release POWER MODE until BUZZ VOL appears The current setting displays on the top line 2 Press and release AIR The current setting flashes 3 Use AIR to display the desired setting 4 Press and release POWER MODE to save the setting and return to the BUZZ VOL item in Display Mode HI BUZ...

Page 34: ...3 or E CAL pg 46 depending on E CAL User Mode setting A CAL or E CAL CYL X Perform a span adjustment on the gas selected for Cylinder X Cylinders A E available START Begin the warmup sequence and enter Measuring Mode CAL P Set the calibration gas concentration CYL SEL Assign a cylinder A E to each gas CO is assigned to Cylinder A and H2 is assigned to Cylinder B by default ESCAPE Return to the A C...

Page 35: ...atically start ESCAPE Return to the SETTING item in the BUMP SET menu BP RMDR pg 56 ON The instrument notifies the user upon startup when a bump test is due Notification type depends on BP EXPD setting below BP DATA screen appears in Display Mode OFF factory setting No notification upon startup when a bump test is due BP DATA screen does not appear in Display Mode BP INT pg 56 How often the instru...

Page 36: ...ast button press Options 0 255 seconds or OFF The factory setting is 30 seconds KEY TONE pg 61 ON factory setting Buzzer sounds when button is pressed OFF Buzzer does not sound when button is pressed DISP SET pg 61 OFF USER ID STN ID and BUZZ VOL items do not appear in Display Mode ON factory setting BUZZ VOL item appears in Display Mode USER ID and STN ID items appear if ID DISP in Maintenance Mo...

Page 37: ...If PASS W is set to ON continue with Step 4 4 If PASS W is set to ON in User Mode a password screen appears and the first digit flashes The factory set password is 0405 but it can be changed 5 Use AIR to select each password number then press POWER MODE to save it and move on to the next number To go back a number press and hold AIR and POWER MODE for a few seconds To reverse the direction of chan...

Page 38: ...tely press POWER MODE and then release both buttons To exit an entered item without saving a change press and hold AIR and POWER MODE for a few seconds Performing a Bump Test BUMP Bump test the instrument before each day s use with a known concentration of the target gas The instrument does not need to be calibrated unless it does not pass the bump test To bump test the CO 04C you need Calibration...

Page 39: ... of the screen alternates between CYL A and BUMP 7 If necessary use AIR to scroll to the Bump screen for the gas you want to bump test As shipped from the factory CO is assigned to Cylinder A and H2 is assigned to Cylinder B The H2 response does not need to be bump tested 8 Turn the regulator knob counterclockwise to open the regulator 9 Press and release POWER MODE 10 The gas reading flashes the ...

Page 40: ...return to the BUMP CYL B screen in the BUMP menu 6 Use AIR to scroll to START and press and release POWER MODE to enter Measuring Mode 1 The instrument shows which channels passed or failed the bump test The LED flashes and the buzzer sounds Use AIR to scroll between the result and the reading 2 Close the regulator 3 Unscrew the regulator 4 Remove the calibration cup 5 Press and release POWER MODE...

Page 41: ...MP CYLA screen in the BUMP menu 8 Use AIR to scroll to START and press and release POWER MODE to enter Measuring Mode 1 A calibration immediately and automatically starts Continue to apply the calibration gas 2 The calibration time is the difference between the GAS TIME and the CAL TIME values defined in the BUMP SET SETTING item in User Mode 3 The instrument shows the pass fail results of the bum...

Page 42: ...AL depending on the setting of the E CAL User Mode item A CAL appears if E CAL User Mode item is set to OFF Apply gas for a period of time then press and release POWER MODE to perform the adjustment E CAL appears if E CAL User Mode item is set to something besides OFF As soon as gas is applied and the reading reaches 10 of the auto calibration value the instrument counts down from the number of se...

Page 43: ... Non absorbent tubing Calibration cup 1 Confirm that the CO 04C s calibration gas value matches the concentration listed on the calibration gas cylinder as described on pg 49 2 Confirm that the regulator knob is turned all the way clockwise Screw the 0 25 LPM fixed flow regulator onto the calibration cylinder 3 Install the calibration cup onto the CO 04C Be sure the calibration cup is installed in...

Page 44: ...ernates between CYL A and A CAL 5 If necessary use AIR to scroll to the Auto Cal screen for the gas you want to calibrate As shipped from the factory CO is assigned to Cylinder A and H2 is assigned to Cylinder B 6 Press and release POWER MODE 7 The gas reading flashes and the bottom of the screen alternates between APPLY and A CAL NOTE To back out of the gas application screen without performing t...

Page 45: ...gulator 5 The instrument continues to the A CAL CYL B screen 6 If you are calibrating the H2 response unscrew the regulator from the CO cylinder and screw it into the H2 cylinder 7 Press and release POWER MODE to start the H2 calibration 8 Repeat Step 8 through Step 11 9 After the H2 response is calibrated the instrument continues to the START item in the A CAL menu 10 If you did not calibrate the...

Page 46: ... 2 Confirm that the regulator knob is turned all the way clockwise Screw the 0 25 LPM fixed flow regulator onto the calibration cylinder 3 Install the calibration cup onto the CO 04C Be sure the calibration cup is installed in the correct direction and that it is pushed on all the way 4 Use the tubing to connect the regulator to the inlet of the calibration cup labeled IN Performing a Calibration ...

Page 47: ...ess and release POWER MODE 7 The gas reading flashes and the bottom of the screen says GAS IN 8 Turn the regulator knob counterclockwise to open the regulator 9 Once the gas reading reaches 10 of the auto calibration value the screen starts counting down from the time specified in the E CAL User Mode item In the example below E CAL is set to 60 seconds To back out of the gas application screen wit...

Page 48: ...gulator 5 The instrument continues to the E CAL CYL B screen 6 If you are calibrating the H2 response unscrew the regulator from the CO cylinder and screw it into the H2 cylinder 7 Press and release POWER MODE to start the H2 calibration 8 Repeat Step 8 through Step 11 9 After the H2 response is calibrated the instrument continues to the START item in the E CAL menu 10 If you did not calibrate the...

Page 49: ... to the A CAL item E CAL if E CAL in User Mode is set to ON 4 Press and release POWER MODE The Auto Cal screen for the gas assigned to Cylinder A displays 5 Use AIR to scroll to CAL P 6 Press and release POWER MODE The gas name displays 7 Use AIR to scroll to the gas whose calibration gas value you want to change GAS CAL A CAL CO 50 A CAL ppm CO 50 CYL A ppm CAL P CO CAL P ppm AIR AIR AIR CO CAL P...

Page 50: ...AL menu 14 Press AIR to scroll to ESCAPE 15 Press and release POWER MODE to return to the A CAL item in the GAS CAL menu 16 See Exiting the GAS CAL Menu on page 52 to return to User Mode Making Cylinder Selections in CYL SEL The CYL SEL menu item allows you to assign cylinders for calibration As shipped from the factory CO is assigned to Cylinder A and H2 is assigned to Cylinder B There are 5 cyli...

Page 51: ...C D and E 10 Press and release POWER MODE to save the change The cylinder assignment stops flashing and the unit returns to the gas selection screen 11 Repeat steps Step 7 Step 10 for the other channel if necessary 12 Use AIR to scroll to ESCAPE 13 Press and release POWER MODE The instrument returns to the CYL SEL menu item in the Auto Cal Menu 14 Press AIR to scroll to ESCAPE 15 Press and release...

Page 52: ...libration The type of indication depends on the CAL EXPD setting see pg 53 OFF The CO 04C does not give an indication at start up if it is due for calibration 1 After entering the CAL SET menu press AIR to scroll to CAL RMDR 2 Press and release POWER MODE The current setting flashes 3 Use AIR to display the desired setting 4 Press and release POWER MODE to save the setting and return to the CAL RM...

Page 53: ...ffect A successful calibration must be performed in order to use the instrument NONE The CO 04C gives an indication at startup that calibration is past due It is not necessary to acknowledge the indication If desired press POWER MODE to enter User Mode and perform a calibration The warm up sequence continues on its own 1 After entering the CAL SET menu press AIR to scroll to CAL EXPD 2 Press and r...

Page 54: ... The current setting flashes 3 Use AIR to display the desired setting 4 Press and release POWER MODE to save the setting and return to the GAS TIME item in the SETTING menu 5 See Exiting the SETTING Menu on page 55 to return to BUMP SET menu CHECK CHECK is the bump test tolerance value and is represented as a percentage of the calibration gas concentration It is the percentage that the bump test r...

Page 55: ...ing flashes 3 Use AIR to display the desired setting 4 Press and release POWER MODE to save the setting and return to the CAL TIME item in the SETTING menu 5 See Exiting the SETTING Menu on page 55 to return to BUMP SET menu A CAL ON factory setting If a bump test fails the unit automatically begins a calibration OFF If a bump test fails the unit does not automatically begin a calibration 1 After ...

Page 56: ...ress AIR to scroll to BP INT 2 Press and release POWER MODE The current setting flashes 3 Use AIR to display the desired setting 4 Press and release POWER MODE to save the setting and return to the BP INT item in the BUMP SET menu 5 See Exiting the BUMP SET Menu on page 57 to return to User Mode BP EXPD This item defines what indication is given during start up when a bump test is due and BP RMDR ...

Page 57: ...BUMP SET Menu 1 While in the BUMP SET menu press AIR to scroll to ESCAPE 2 Press and release POWER MODE to return to the BUMP SET item in User Mode 3 See Entering Measuring Mode START on page 64 to enter Measuring Mode Alarm Settings ALARM P The ALARM P menu has 3 items ALARM P DEF ALMP and ESCAPE 1 While in User Mode press AIR to scroll to ALARM P 2 Press and release POWER MODE The first screen d...

Page 58: ...AP operation 1 After entering the ALARM P menu press AIR to scroll to DEF ALMP 2 Press POWER MODE to enter the DEF ALMP item 3 Press POWER MODE to perform an alarm default Press AIR to return to the DEF ALMP item in the ALARM P menu 4 The instrument asks if you re sure you want to default the alarm points 5 Press POWER MODE to default the alarm points Press AIR to return to the DEF ALMP item in th...

Page 59: ...to save the setting and return to the LUNCH item in User Mode 5 See Entering Measuring Mode START on page 64 to enter Measuring Mode Setting the Confirmation Beep and Non Compliance Indicator BEEP The BEEP menu has 3 items BEEP SEL BEEP INT and ESCAPE 1 While in User Mode press AIR to scroll to BEEP 2 Press and release POWER MODE The BEEP SEL item appears BEEP SEL BEEP SEL defines what kind of con...

Page 60: ...the BEEP SEL item in the BEEP menu 5 See ESCAPE on page 60 to return to User Mode BEEP INT The BEEP INT parameter defines how often the confirmation alert or non compliance indicator selected in BEEP SEL occurs This setting only applies if the BEEP SEL parameter is set to something other than OFF factory setting The available choices are 0 5 minutes and 1 99 minutes in 1 minute increments The fact...

Page 61: ...n Off KEY TONE ON factory setting The instrument beeps when a button is pressed OFF The instrument does not beep when a button is pressed 1 While in User Mode press AIR to scroll to KEY TONE 2 Press and release POWER MODE The current setting flashes 3 Use AIR to display the desired setting 4 Press and release POWER MODE to save the setting and return to the KEY TONE item in User Mode 5 See Enterin...

Page 62: ...ars if ZFLW DSP is set to ON in Maintenance Mode factory setting is OFF The ZERO FLW setting is not intended for field adjustment The default setting is ON Turning Easy Calibration On Off E CAL OFF factory setting Auto Calibration A CAL item appears in GAS CAL menu instead of Easy Calibration E CAL XX seconds Easy Calibration E CAL item appears in GAS CAL menu instead of Auto Calibration A CAL Dur...

Page 63: ...enter Measuring Mode Turning the Password On Off PASS W ON The CO 04C prompts you for a password when you enter User Mode The factory set password is 0405 but it can be changed OFF factory setting No password is required to enter User Mode 1 While in User Mode press AIR to scroll to PASS W 2 Press and release POWER MODE The current setting flashes 3 Use AIR to display the desired setting 4 If you ...

Page 64: ... START on page 64 to enter Measuring Mode Viewing the ROM SUM ROM SUM The ROM SUM screen shows the instrument s firmware version and firmware checksum 1 While in User Mode press AIR to scroll to ROM SUM 2 Press and release POWER MODE The screen shows the ROM SUM The ROM is the top value and the SUM is the bottom value 3 Press and release POWER MODE to return to the ROM SUM item in User Mode 4 See ...

Page 65: ...ument Troubleshooting The troubleshooting table describes error messages symptoms probable causes and recommended action for problems you may encounter with the CO 04C Table 12 Troubleshooting the CO 04C Symptoms Probable Causes Recommended Action The LCD is blank The unit got turned off The batteries needs to be replaced The battery cover may not be completely closed 1 To turn on the unit press a...

Page 66: ... garantie Ne mélangez pas les anciennes nouvelles ou différents types de piles Replace the batteries when the last bar in the battery icon is flashing 1 Make sure the CO 04C is off Calibration fails The calibration value does not match the cylinder gas concentration The sample gas is not reaching the sensor because of a bad connection The calibration cylinder is out of gas or is outdated The senso...

Page 67: ... it open 3 Rotate the captive battery cover screw counterclockwise 4 Remove the battery cover 5 Remove the old batteries NOTE New batteries must be installed within 5 minutes to avoid having to reset the date time Figure 7 Releasing the Alligator or Belt Clip Battery Cover Screw Figure 8 Unscrew Battery Cover Screw Battery Cover Figure 9 Battery Cover Removal ...

Page 68: ...ou do not set the date and time within 30 seconds the instrument automatically begins its warmup sequence Recharging the Batteries Ni MH Batteries Only Any battery charger capable of charging AAA Ni MH batteries can be used to recharge the CO 04C s Ni MH batteries RKI Instruments Inc recommends using one of the chargers specified on pg 75 WARNING To prevent ignition of a hazardous atmosphere batte...

Page 69: ...w the 4 screws that attached the front case to the rear case 4 Turn the instrument right side up The screws are not captive and may fall out Be sure not to lose them 5 Remove the front case from the rear case 6 Turn the front case upside down 7 If the sensor stayed in the front case remove the sensor Figure 11 Unscrewing Case Screws Screw 4x Front Case Rear Case Figure 12 Case Separation ...

Page 70: ...d side faces away from the rear case and the slots in the sensor line up with tabs in the socket CAUTION Forcing a sensor into a socket without lining the sensor slots up with the socket tabs may damage the sensor or socket 11 Reinstall the front case to the rear case 12 Reinstall the 4 screws that were removed in Step 3 13 Reinstall the rubber boot if being used Figure 13 Charcoal Filter Location...

Page 71: ...r case 4 Turn the instrument right side up The screws are not captive and may fall out Be sure not to lose them 5 Remove the front case from the rear case 6 Turn the front case upside down 7 If the sensor stayed in the front case remove the sensor 8 Carefully remove the sensor gasket and the black charcoal filter that sits in the middle of the sensor gasket Figure 14 Unscrewing Case Screws Screw 4...

Page 72: ...e colored side faces away from the rear case and the slots in the sensor line up with tabs in the socket CAUTION Forcing a sensor into a socket without lining the sensor slots up with the socket tabs may damage the sensor or socket 14 Reinstall the front case to the rear case 15 Reinstall the 4 screws that were removed in Step 3 16 Reinstall the rubber boot if being used Figure 16 Hydrophobic Filt...

Page 73: ...t case to the rear case 4 Turn the instrument right side up The screws are not captive and may fall out Be sure not to lose them 5 Remove the front case from the rear case 6 Turn the front case upside down 7 Remove the old sensor It will either be in its rear case socket or it will be stuck to the sensor gasket in the front case Figure 17 Unscrewing Case Screws Screw 4x Front Case Rear Case Figure...

Page 74: ...et CAUTION Forcing a sensor into a socket without lining the sensor slots up with the socket tabs may damage the sensor or socket 9 Reinstall the front case to the rear case 10 Reinstall the 4 screws that were removed in Step 3 11 Reinstall the rubber boot if being used 12 Calibrate the CO and H2 response as described on pg 42 Tabs Align Sensor Slots with Tabs in Case Rear Case Figure 19 Sensor Lo...

Page 75: ...l premier portables with module and USB cable 47 5085RK Cable USB A to USB mini 6 feet for 47 5084RK USB IrDA adapter module 49 1110RK AAA size alkaline battery 49 1312 AAA size Ni MH battery 49 3105RK 4 battery AA AAA charger with AC adapter and DC vehicle adapter 49 3106RK 12 battery AA AAA charger with AC adapter 71 0522 Operator s Manual CO 04C this document 71 0525 Operator s Manual 04 Series...

Page 76: ...r and 103 liter cylinders cylinders with internal threads 81 1146 Calibration cup 81 CO04C LV Calibration kit 34 liter steel cylinder of 50 ppm CO in N2 34 liter steel cylinder of 200 ppm H2 regulator tubing calibration cup case ESR A1CP CO H Hydrogen compensated carbon monoxide CO sensor Table 13 General Parts List cont Part Number Description ...

Page 77: ...r A E to each gas CO is assigned to Cylinder A and H2 is assigned to Cylinder B by default ESCAPE Return to the A CAL item in the GAS CAL menu ESCAPE Return to the GAS CAL item in Maintenance Mode GAS TEST pg 80 Apply gas to test sensor response and observe alarm indications without an alarm event being recorded SEN DATE pg 81 View and or set the replacement date for the sensor and the batteries B...

Page 78: ...SP pg 84 ON Zero suppression item appears in User Mode OFF factory setting Zero suppression item does not appear in User Mode Zero suppression item is always available in Maintenance Mode ZFLW DSP pg 84 ON Zero follower item appears in User Mode OFF factory setting Zero follower item does not appear in User Mode Zero follower item is always available in Maintenance Mode CYL DISP pg 84 ON factory s...

Page 79: ... both buttons 7 Continue to Step 6 8 The GAS CAL item displays 9 Use AIR to move through the Maintenance Mode items Tips for Using Maintenance Mode To scroll from one item to the next press and release AIR To reverse the scrolling direction a Press and hold AIR b Immediately press POWER MODE and then release both buttons c The scrolling direction returns to the original direction when you exit and...

Page 80: ...ng for a Gas Test To perform a gas test on the CO 04C you need A calibration gas cylinder The concentrations should be above the alarm condition you want to check Standard alarm points are listed on pg 7 A 0 25 LPM fixed flow regulator Non absorbent tubing Calibration cup 1 Confirm that the regulator knob is turned all the way clockwise Screw the 0 25 LPM fixed flow regulator onto the calibration ...

Page 81: ...egulator 6 Unscrew the regulator from the calibration cylinder 7 Remove the calibration cup from the CO 04C 8 Store the calibration kit in a safe and convenient place 9 Press and release POWER MODE to return to the GAS TEST item in Maintenance Mode 10 See Entering Measuring Mode START on page 87 to enter Measuring Mode Sensor Battery Replacement Date SEN DATE The SEN DATE item allows you to keep t...

Page 82: ... an alarm when the alarm condition passes 1 While in Maintenance Mode press AIR to scroll to LATCH 2 Press and release POWER MODE The current setting flashes 3 Use AIR to display the desired setting 4 Press and release POWER MODE to save the setting and return to the LATCH item in Maintenance Mode 5 See Entering Measuring Mode START on page 87 to enter Measuring Mode Turning the Demand Zero Functi...

Page 83: ... and Station ID screens appear in the startup sequence If DISP SET in User Mode is also set to ON then the IDs can be changed in Display Mode OFF factory setting The User ID and Station ID screens do not appear in the startup sequence and the IDs cannot be changed in Display Mode 1 While in Maintenance Mode press AIR to scroll to ID DISP 2 Press and release POWER MODE The current setting flashes 3...

Page 84: ... necessary to have the zero follower item appear in User Mode Contact RKI Instruments before turning this setting on Cylinder Setting CYL DISP ON factory setting CYL SEL item appears in User and Maintenance Modes GAS CAL item OFF CYL SEL item does not appear in User and Maintenance Modes GAS CAL item Setting the Date Time DATE 1 From the main menu place the cursor next to DATE 2 Press and release ...

Page 85: ...ting and return to the PASS W item in User Mode If you selected ON continue with Step 5 5 Press and release POWER MODE The Set Password Screen appears The current password displays and the first digit flashes 6 Use AIR to display a number from 0 to 9 7 Press and release POWER MODE to enter the selection and advance to the next number To go back a number press and hold AIR and POWER MODE for a few ...

Page 86: ...The ROM is the top value and the SUM is the bottom value 3 Press and release POWER MODE to return to the ROM SUM item in Maintenance Mode 4 See Entering Measuring Mode START on page 87 to enter Measuring Mode Performing a Default M DEF Performing a default operation in Maintenance Mode returns all parameters to their RKI factory settings 1 While in Maintenance Mode press AIR to scroll to M DEF 2 P...

Page 87: ...ress and release POWER MODE to perform a default operation The instrument beeps twice and returns to the M DEF item in Maintenance Mode 5 See Entering Measuring Mode START on page 87 to enter Measuring Mode Entering Measuring Mode START 1 While in Maintenance Mode press AIR to scroll to START 2 Press and release POWER MODE The instrument begins its warmup sequence SURE YES MODE NO AIR START ...

Page 88: ... you hear a third beep release the buttons 5 A password screen appears and the first digit flashes The password is 2014 6 Use AIR to select each password number then press POWER MODE to save it and move on to the next number To go back a number press and hold AIR and POWER MODE for a few seconds Table 15 Gas Select Mode Menu Items Menu Item Page of Description Description SAVE AP pg 89 Set the cur...

Page 89: ...ess and release AIR To reverse the direction of change ie from increasing to decreasing or vice versa a Press and hold AIR b Immediately press POWER MODE and then release both buttons To exit an entered item without saving a change press and hold AIR and POWER MODE for a few seconds Saving the Alarm Points SAVE AP Performing a SAVE AP operation saves the current alarm setpoints Performing a DEF AL...

Page 90: ... the reading could have been adjusted up to 100 ppm If the maximum span value is close to the calibration value the sensor should be replaced soon The upper limit on the maximum adjustment indicated is either twice the calibration value or full scale whichever is lower OFF factory setting There is no maximum span indication at the end of a calibration 1 While in Gas Select Mode press AIR to scroll...

Page 91: ...ons It can be useful to have this feature turned on if you have also turned STEALTH on OFF factory setting The vibrator does not activate for any reason 1 While in Gas Select Mode press AIR to scroll to STEALTH 2 Press and release POWER MODE The current STEALTH setting flashes 3 Use AIR to display the desired setting 4 Press and release POWER MODE The current VIB setting flashes 5 Use AIR to displ...

Page 92: ...struction manual This warranty indicates the full extent of our liability and we are not responsible for removal or replacement costs local repair costs transportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS EXPRESSED OR IMPLIED AND ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF RKI...

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