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RKI Instruments 03 Series, Operator'S Manual

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RKI Instruments 03 Series Operator'S Manual Download Page 52

 

47 • Calibration Mode

03 Series Operator’s Manual

4. Confirm that the regulator on/off knob is turned all the way clockwise 

(closed) and screw the calibration gas cylinder onto the regulator.

5. Push the calibration adapter onto the 03 Series’ sensor face as shown 

in Figure 10. The calibration adapter secures itself to the instrument by 
latching on to two recesses in the instrument’s rear case. The rubber 
boot (if installed) does not need to be removed to install the adapter. 

Figure 10: Installing the Calibration Adapter

6. Turn the regulator on/off knob counterclockwise to open it. Calibration 

gas will begin to flow.

7. Allow the gas to flow for two minutes.

8. Adjust the display gas reading using the AIR button to match the 

calibration cylinder’s target gas concentration. See Step 5 on page 32 
for instructions to adjust a parameter using the AIR button. If the 
direction of adjustment is changed, the arrows at the bottom of the 
screen will change direction.

9. Press and release the POWER MODE button. 

10. The 03 Series will make the span adjustment (zero adjustment for OX-

03) and will return to the M--CAL. Screen.

POWER

MODE

CO-03

Calibration 
Adapter

AIR

 

 
 
 
 

 

 

 

 

 

 

M--CAL.

Summary of Contents for 03 Series

Page 1: ...www rkiinstruments com 03 Series Operator s Manual Part Number 71 0304 Revision P3 Released 11 4 14 ...

Page 2: ...calibration and maintenance of the gas monitor is essential for proper operation and cor rect readings Please calibrate and maintain this instrument regularly Frequency of calibration depends upon the type of use you have and the sensor types Typical calibration frequencies for most applications are between 1 and 3 months but can be required more often or less often based on your usage ...

Page 3: ...s 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 INSTRUMENTS INC INC...

Page 4: ... Batteries 7 Protective Rubber Boot 8 Alligator Belt Clips 8 Start Up 10 Start up Procedure 10 Performing a Fresh Air Adjustment 17 Turning Off the 03 Series 18 Operation 19 Measuring Mode 19 Adjusting the Buzzer Volume 19 Display Mode CO 03 and HS 03 20 Display Mode OX 03 22 Alarms 25 Data Logging 30 03 Series User Setup Program 30 Calibration Mode 31 Calibration Frequency 31 Using Calibration Mo...

Page 5: ... for OX 03 in A CAL 57 Performing an Easy Span Adjustment Zero Adjustment for OX 03 in E CAL 57 Performing a Manual Span Adjustment Zero Adjustment for OX 03 in M CAL58 Setting the Alarm Points 58 Adjusting the Bump Test Limit Check Setting 60 Setting the Password 61 Maintenance 63 Troubleshooting 63 Replacing the Batteries 64 Replacing the Sensor 66 Replacing the Sensor Membrane and Charcoal Filt...

Page 6: ...use and advanced capabilities Resistance to RF radio frequency interference Datalogging including interval trend data and alarm trend data Peak STEL and TWA indication for CO 03 HS 03 Minimum and maximum indication for OX 03 Over range alarm Gas battery sensor failure and system failure alarms Over 3 000 hours operation on one set of alkaline batteries Rotatable alligator clip for hands free gas m...

Page 7: ...h 23 5 vol increasing Sampling Method Diffusion Diffusion Diffusion Response Time T90 in 30 seconds T90 in 30 seconds T90 in 20 seconds Accuracy 5 of reading or 5 ppm CO whichever is greater 5 of reading or 2 ppm H2S whichever is greater 0 5 O2 Indication Digital LCD Safety Regulatory C US pending CSA classified C US as Intrinsically Safe Exia Class I Groups A B C D Temperature Code T3 Power Two A...

Page 8: ...le for downloading data to computer Product CD includes 03 Series Datalogging Program and 03 Series User Setup Program Dimensions and Weight 2 2 54mm W x 2 6 67mm H x 0 9 24mm D 2 8 oz 80 g Operating Temp Humidity 20 C to 50 C 16 95 RH non condensing 20 C to 50 C 0 95 RH non condensing Table 1 03 Series Specifications CO 03 HS 03 OX 03 ...

Page 9: ...ght of the buzzer is the diffusion port for the sensor The alarm LED lens is located at the top of the front case The battery compartment is located in the rear case Access to the compartment is accomplished by turning the captive battery cover screw counterclockwise and by removing the battery cover There are two spring bars on the rear case One is on the left and one is on the right They are the...

Page 10: ...ich is held in place by the sensor gasket The sensor membrane allows ambient air to diffuse past it to the sensor The three sensors used in the three 03 Series models use different detection principles as described below Oxygen Sensor The oxygen sensor is a galvanic type of sensor A membrane covers the cell and allows gas to diffuse into the cell at a rate proportional to the partial pressure of o...

Page 11: ...of the front case allows the buzzer s sound to emanate from the case The buzzer sounds for gas alarms unit malfunctions and the dead battery alarm It also serves as an indicator during normal use of the various LCD display options Vibrator A vibrating motor vibrator is mounted inside the 03 Series The vibrator vibrates momentarily during the power up sequence and for gas alarms Table 2 03 Series C...

Page 12: ...e LCD store STEL TWA and peak gas readings and activate the alarm circuit if an alarm point has been reached It monitors battery level battery failure and sensor failure It also controls various operating modes of the unit NOTE The printed circuit board contains no user serviceable parts Batteries Two AAA size alkaline batteries run the 03 Series At 25 C the alkaline batteries last at least 3 000 ...

Page 13: ...vailable with two types of clips the alligator clip standard and the belt clip optional The alligator clip is shown in Figure 3 below The alligator clip can be used to attach the 03 Series to clothing or a belt Teeth in the clip s jaws prevent the unit from slipping off The clip can be rotated in 45 degree turns if necessary Figure 3 Alligator Clip Side Front Open Alligator Clip Closed ...

Page 14: ...9 Description 03 Series Operator s Manual The belt clip is shown in Figure 4 below and is used to easily clip the 03 Series on a belt Figure 4 Belt Clip Belt Clip ...

Page 15: ...imit Check parameters mentioned in Step 5 and the Auto Zero Adjustment parameter mentioned in Step 12 below cannot be set using the 03 Series instrument menus but are set using the 03 Series User Setup Program See the 03 Series User Setup Program Operator s Manual for information regarding changing various instrument parameters that are not available for adjustment in the instrument s operating mo...

Page 16: ...he AIR button Continue to Step 6 To perform a calibration press and release the POWER MODE button Depending on the value entered into the One Touch Cal Time parameter using the 03 Series User Setup Program the instrument will display either the A CAL menu item or the E CAL menu item in Calibration Mode See Calibration Mode on page 31 for instructions WARNING You must press either the POWER MODE or...

Page 17: ...er by selecting A CAL E CAL or M CAL in the Calibration Mode menu See Performing an Automatic Span Adjustment Zero Adjustment for OX 03 in A CAL on page 34 Performing an Easy Span Adjustment Zero Adjustment for OX 03 in E CAL on page 39 or Performing a Manual Span Adjustment Zero Adjustment for OX 03 in M CAL on page 45 for calibration instructions WARNING You must perform a successful calibration...

Page 18: ...the bottom of the screen NOTE The following screens in Step 6 only appear if Bump Test Limit Display is set to On using the 03 Series User Setup Program The standard factory setting for this function is Off 6 If Bump Test Limit Display is set to Off factory setting proceed to Step 8 7 If Bump Test Limit Display is set to On using the 03 Series User Setup Program the next screen will depend on how ...

Page 19: ...he unit is due for bump testing and Bump Test Limit Check is set to Can t use then the following screen sequence will occur The alarm LED and buzzer will pulse several times Press and release the POWER MODE button to go to the BUMP menu item in Calibration Mode The above screens will remain on the display until the unit is either turned off or Calibration Mode is entered The 03 Series cannot be us...

Page 20: ...s finished NOTE If a successful calibration is performed the next bump test date is reset and starts over even though a bump test was not performed If bump testing is not due then the following screen appears for a few seconds indicating when the next bump test is due NEXT and BUMP alternate on the bottom of the screen 8 The Date Time Screen appears for a few seconds This screen displays the curre...

Page 21: ...2S only 11 If the 03 Series experiences a sensor failure during start up the following screen will appear The instrument cannot be used if a sensor failure occurs Replace the failed sensor 12 If Auto Zero Adjustment is set to On factory setting is Off then the 03 Series will perform an automatic fresh air adjustment If the fresh air adjustment is successful the unit will proceed to Normal Mode If ...

Page 22: ...get gas is displayed along with the battery charge level in the lower left corner The heart symbol displayed in the upper right corner flashes while the instrument is functioning properly If it disappears or is steadily on the unit is experiencing a microprocessor error The backlight turns off after 20 seconds Performing a Fresh Air Adjustment Before using the 03 Series set the fresh air reading P...

Page 23: ... the POWER MODE button is being pressed before the unit turns off 2 Release the button when the LCD is blank The unit is off NOTE If Power Off Password Protection is turned On factory setting is Off using the 03 Series User Setup Program a password is required to turn the 03 Series off When the password screen appears adjust each digit with the AIR button and press and release the POWER MODE butto...

Page 24: ...a microprocessor error The target gas concentration is displayed in the middle of the LCD On the CO 03 CO is displayed in parts per million ppm On the HS 03 H2S is displayed in ppm On the OX 03 oxygen is displayed as volume percent Adjusting the Buzzer Volume The buzzer volume on the 03 Series can be adjusted while in Measuring Mode if Buzzer Volume Selection is set to On factory setting is Off Th...

Page 25: ...an view and reset the peak readings view the TWA and STEL values view the detection range full scale and view the date and time STEL is an acronym for short term exposure limit and it is the average reading of the target gas during the last 15 minutes TWA is an acronym for time weighted average and it is the average reading for the target gas during the last eight 8 hours If eight 8 hours has not ...

Page 26: ... to the next step If you want to clear the peak reading press and hold the AIR button After a couple of seconds the LCD will prompt you to hold the AIR button with the following screen Hold the AIR button until the following screen appears then release it The peak reading will be cleared and the unit will return to the PEAK Screen 4 Press and release the POWER MODE button again to proceed to the S...

Page 27: ...e Time Screen The date and time of the instrument is displayed 8 Press and release the POWER MODE button once again to return the unit to Measuring Mode NOTE If you do not press a button for 20 seconds while in Display Mode the unit will return to Measuring Mode automatically and the backlight will turn off Display Mode OX 03 This section describes Display Mode for the OX 03 only See Display Mode ...

Page 28: ...cklight will turn on 3 The Min Screen will be displayed This is the minimum oxygen reading taken since the instrument was turned on 4 If you do not want to clear the minimum reading continue to the next step If you want to clear the minimum reading press and hold the AIR button After a couple of seconds the LCD will prompt you to hold the AIR button with the following screen Hold the AIR button un...

Page 29: ...prompt you to hold the AIR button with the following screen Hold the AIR button until the following screen appears then release it The maximum reading will be cleared and the unit will return to the Max Screen 7 Press and release the POWER MODE button again to proceed to the Full Scale Screen The detection range full scale value is displayed An L or an A will appear under the full scale value to i...

Page 30: ...ill sound the buzzer flash its alarm LED and vibrate when the target gas concentration rises above falls below for oxygen the warning level The 03 Series also sounds the buzzer flashes its alarm LED and vibrates when the alarm level is reached In addition the 03 Series has a low battery warning a dead battery alarm an over range alarm a sensor failure alarm a system failure alarm and a clock failu...

Page 31: ...LED flashes Buzzer sounds alternating between a low and high pitch at same rate as warning indication Vibrator pulses at same rate as warning indication Over Range Concentration of gas rises above the measuring limit of the 03 Series Or there could be a problem with the unit Gas reading replaced by blinking brackets Back light turns on ALRM appears below gas reading Buzzer sounds alternating betwe...

Page 32: ...increases above for oxygen Warning Responding to Alarms This section describes response to gas over range battery sensor failure and system failure alarms Responding to Gas Alarms 1 Follow your established procedure for an increasing gas condition or a decreasing oxygen condition 2 If your unit is set for latching alarms reset the alarm using the POWER MODE button once the alarm condition has been...

Page 33: ...monitoring device during a dead battery alarm Take the 03 Series to a non hazardous area and change the alkaline batteries as described in Replacing the Batteries on page 64 The 03 Series is fully functional in a low battery warning condition However only a couple of days of operation may remain depending on certain conditions such as alarm occurrences and how often the backlight comes on NOTE Ala...

Page 34: ...the internal unit date has been changed to something unreasonable like 15 34 month day 1 Press and release the POWER MODE button to continue into normal operation CAUTION There will be no datalogging function if you operate the instrument after a clock failure 2 Attempt to change the date using the DATE menu item in Calibration Mode See Setting the Date and Time on page 33 3 If the date cannot be ...

Page 35: ... The adapter cable is also available from RKI See the 03 Series Data Logger Management Program Operator s Manual for a complete description of the 03 Series Data Logger Management Program and procedures for downloading data to a computer 03 Series User Setup Program There are some instrument operating parameters that are not accessible in either Calibration Mode or Setup Mode such as the calibrati...

Page 36: ...ting is due with the 03 Series User Setup Program See the 03 Series User Setup Program Operator s Manual for information on setting the Cal Limit Display and Bump Test Limit Display parameters Calibration Frequency The optimum frequency of calibration depends heavily on how the 03 Series is used For example instruments used daily may need to be calibrated weekly or monthly while instruments that a...

Page 37: ...e value When adjusting a numerical parameter value it is possible to reverse the direction of adjustment To switch from increasing to decreasing a value or decreasing to increasing a value do the following with the parameter flashing on the screen press and hold the AIR button immediately press the POWER MODE button and then release both buttons the direction of adjustment when you press the AIR b...

Page 38: ... and minute setting When you save the minute setting END is displayed before the instrument returns to the DATE Screen Performing a Fresh Air Adjustment Entering the AIR menu item allows you to perform a fresh air adjustment Perform a fresh air adjustment in Calibration Mode when you are performing a calibration before proceeding either to the A CAL or M CAL menu item to perform a span adjustment ...

Page 39: ...ustment proceed to Step 3 3 Press and hold the AIR button The LCD prompts you to continue to hold the AIR button 4 Release the AIR button when the following screen appears 5 The unit will take a few seconds to adjust the fresh air reading then indicate END in the upper left corner and return to the AIR Screen Performing an Automatic Span Adjustment Zero Adjustment for OX 03 in A CAL The A CAL menu...

Page 40: ... CO 03 or HS 03 or a cylinder of 100 nitrogen for the OX 03 NOTE On the OX 03 instead of 100 nitrogen 0 oxygen it is allowable to use higher than 0 oxygen to set the zero level RKI Instruments Inc recommends 18 oxygen or lower a fixed flow regulator with a flow rate of 0 5 LPM liters per minute WARNING Use a 0 5 LPM liters per minute fixed flow regulator when calibrating Using a different flow rat...

Page 41: ...ration cylinder concentration do the following Press and hold the AIR button then press and momentarily hold the POWER MODE button Release both buttons as soon as you hear the buzzer sound a beep The following screen will display and the gas concentration will be flashing Use the AIR button to adjust the calibration gas value to the desired value See Step 5 on page 32 for instructions to increase ...

Page 42: ...wn longer than 2 seconds the instrument will start scrolling through the Calibration Mode items 4 Use the sample tubing to connect the calibration adapter to the regulator Attach the tubing to the calibration adapter on the inlet side as shown below in Figure 5 Figure 5 Calibration Kit Assembly 5 Confirm that the regulator on off knob is turned all the way clockwise closed and screw the calibratio...

Page 43: ...rclockwise to open it Calibration gas will begin to flow 8 Allow the gas to flow for two minutes 9 Press and release the POWER MODE button 10 The 03 Series will attempt to make a span adjustment zero adjustment for OX 03 11 If the span adjustment zero adjustment for OX 03 is successful the LCD will show the following screen before returning to the A CAL screen If the Maximum Span setting is turned...

Page 44: ... the calibration adapter from the instrument 15 Remove the regulator from the calibration gas cylinder 16 Leave the regulator connected to the calibration adapter for convenience 17 Store the components of the calibration kit in a safe and convenient place Performing an Easy Span Adjustment Zero Adjustment for OX 03 in E CAL The E CAL menu item only appears in Calibration Mode if the One Touch Cal...

Page 45: ...e Parts List on page 70 You will need A gas cylinder with an appropriate concentration of the target gas for the CO 03 or HS 03 or a cylinder of 100 nitrogen for the OX 03 NOTE On the OX 03 instead of 100 nitrogen 0 oxygen it is allowable to use higher than 0 oxygen to set the zero level RKI Instruments Inc recommends 18 oxygen or lower a fixed flow regulator with a flow rate of 0 5 LPM liters per...

Page 46: ...ration cylinder concentration do the following Press and hold the AIR button then press and momentarily hold the POWER MODE button Release both buttons as soon as you hear the buzzer sound a beep The following screen will display and the gas concentration will be flashing Use the AIR button to adjust the calibration gas value to the desired value See Step 5 on page 32 for instructions to increase ...

Page 47: ...n longer than 2 seconds the instrument will start scrolling through the Calibration Mode items 4 Use the sample tubing to connect the calibration adapter to the regulator Attach the tubing to the calibration adapter on the inlet side as shown below in Figure 7 Figure 7 Calibration Kit Assembly 5 Confirm that the regulator on off knob is turned all the way clockwise closed and screw the calibration...

Page 48: ...alue HS 03 and CO 03 units or 18 9 OX 03 units E CAL will begin to flash and a countdown will begin The countdown s duration is defined by the value of the One Touch Cal Time parameter accessed in the 03 Series User Setup Program If the gas reading never reaches 10 of the calibration gas value HS 03 and CO 03 units or 18 9 OX 03 units the countdown will never start and the instrument will remain i...

Page 49: ...e been calibrated to before returning to the E CAL screen 11 If the span adjustment zero adjustment for OX 03 fails the LCD will show the following screen the alarm LED will flash and the buzzer will sound a double pulsing tone Press and release the POWER MODE button to clear the failure indication and return to the E CAL screen See Troubleshooting on page 63 to investigate the cause of the failur...

Page 50: ...see Parts List on page 70 The procedure below describes a span adjustment zero adjustment for OX 03 You will need A gas cylinder with an appropriate concentration of the target gas for the CO 03 or HS 03 or a cylinder of 100 nitrogen for the OX 03 NOTE On the OX 03 instead of 100 nitrogen 0 oxygen it is allowable to use higher than 0 oxygen to set the zero level RKI Instruments Inc recommends 18 o...

Page 51: ... flashing The arrows shown at the bottom of the screen indicate the direction of adjustment for the AIR button 3 Use the sample tubing to connect the calibration adapter to the regulator Attach the tubing to the calibration adapter on the inlet side as shown below in Figure 9 Figure 9 Calibration Kit Assembly M CAL ppm 0 To Fixed Flow Regulator Calibration Adapter Calibration Tubing ...

Page 52: ...re 10 Installing the Calibration Adapter 6 Turn the regulator on off knob counterclockwise to open it Calibration gas will begin to flow 7 Allow the gas to flow for two minutes 8 Adjust the display gas reading using the AIR button to match the calibration cylinder s target gas concentration See Step 5 on page 32 for instructions to adjust a parameter using the AIR button If the direction of adjust...

Page 53: ...g for Bump Test Function is Off Entering the BUMP menu item allows you to perform a bump test to determine if the instrument is responding properly to gas Performing a bump test requires the use of a calibration kit A calibration kit is available from RKI Instruments Inc for each 03 Series model see Parts List You will need A gas cylinder with an appropriate concentration of the target gas for the...

Page 54: ...ion that the 03 Series expects you to use NOTE The bump test gas concentration is the same as the A CAL gas concentration If the value is not correct you can change it by changing the A CAL gas value in Calibration Mode or Setup Mode or by using the 03 Series Data Logger Management Program or the 03 Series User Setup Program 3 Use the sample tubing to connect the calibration adapter to the regulat...

Page 55: ...nd release the POWER MODE button The LCD will display the current gas reading BUMP and APPLY will alternate at the top of the screen and the instrument will begin a count down whose length depends on how the Bump Test Time sec parameter in the 03 Series User Setup Program is set The factory setting is 30 seconds 7 Turn the regulator on off knob counterclockwise to open it Calibration gas will begi...

Page 56: ...e bump test gas reading press the AIR button To return to the BUMP screen in Calibration Mode press POWER MODE at any time See Troubleshooting on page 63 to investigate the cause of the failure and replace the failed sensor if necessary Turn the regulator on off knob clockwise to close it 10 When Calibration After Bump Test Failed is set to On factory setting If the instrument passes the bump test...

Page 57: ...tically started The instrument will begin a countdown whose length depends on the Bump Test Time sec and Calibration Time sec After Bump Test Failed parameters values These parameters can be changed using the 03 Series User Setup Program The countdown time for the calibration is the Calibration Time sec After Bump Test Failed value factory setting is 90 seconds minus the Bump Test Time sec value f...

Page 58: ... readings press the AIR button To view the calibration gas reading press the AIR button again To return to the BUMP screen in Calibration Mode press POWER MODE at any time Turn the regulator on off knob clockwise to close it 11 Remove the calibration adapter from the instrument 12 Remove the regulator from the calibration gas cylinder 13 Leave the regulator connected to the calibration adapter for...

Page 59: ...ent and the firmware checksum 1 At the ROM screen press and release the POWER MODE button 2 After a few seconds the following screen will be displayed The top line is the firmware version 30010 in this example and the bottom line is the firmware checksum C1AC in this example 3 Press and release the POWER MODE button to return to the ROM screen 30010 30010 C1AC ...

Page 60: ...arm points Set the Bump Test Limit Check setting Turn the password feature on or off and define the password NOTE You can set the 03 Series to alert you during the startup sequence when calibration or bump testing is due with the 03 Series User Setup Program See the 03 Series User Setup Program Operator s Manual for information on setting the Cal Limit Display and Bump Test Limit Display parameter...

Page 61: ...n Setup Mode will appear the DATE Screen If you entered the incorrect password an error screen will appear You must use the POWER MODE button to turn the unit off and try again if you wish to enter Setup Mode or turn on the unit and proceed to Measuring Mode NOTE If you have forgotten your password contact RKI Instruments Inc 5 If the PASS W menu item is set to OFF the DATE Screen is displayed 6 U...

Page 62: ...oll through the menu items to the START item 10 At the START screen press and release the POWER MODE button The 03 Series will begin its start up sequence The Setup Mode menu items are described below in the order in which they appear while moving through Setup Mode Setting the Date and Time in DATE See Setting the Date and Time on page 33 for instructions to set the date and time Performing a Fre...

Page 63: ...ies All of the alarms are increasing alarms meaning the alarm condition actuates when the gas level increases above the alarm point except for the O2 Warning alarm The O2 Warning alarm is a decreasing alarm The O2 Warning condition actuates when the oxygen level decreases below the alarm point The Warning setting cannot be adjusted higher than the Alarm setting 1 At the ALM P screen press and rele...

Page 64: ...e new Alarm setpoint NOTE The following steps apply only to CO 03 and HS 03 instruments Users with OX 03 instruments can skip to Step 11 6 A screen with the STEL setpoint flashing is displayed 7 Use the AIR button to adjust the STEL setpoint to the desired value 8 Press and release the POWER MODE button to save the new STEL setpoint A screen with the TWA setpoint flashing is displayed 9 Use the AI...

Page 65: ...DE button The following screen will display and the current setting will be displayed 2 Use the AIR button to scroll through the options CONF is the factory setting Table 6 Bump Test Limit Check Options Operation Selection Description CANT Instrument cannot be used until a successful bump test is performed CONF factory setting The user must press and release the AIR button to acknowledge that a bu...

Page 66: ... you turn it on The factory setting for the password feature is OFF 1 At the PASSWORD screen press and release the POWER MODE button A screen will appear that shows the current password feature setting 2 Press and release the AIR button to change the displayed setting When the desired setting is displayed press and release the POWER MODE button to save the setting 3 If the password feature was set...

Page 67: ...he factory set password is 0300 but it can be changed 5 Use the AIR button to scroll through the numbers 0 9 6 When the desired number is displayed for the first digit press and release the POWER MODE button to save the number 7 The next digit will begin flashing 8 Repeat Step 5 through Step 7 until you have set all four of the digits 9 When you save the last digit the unit will return to the PASS...

Page 68: ... the 03 Series Symptoms Probable Causes Recommended Action The LCD is blank The unit may have been turned off The alkaline batteries may need to be replaced 1 To turn on the unit press and hold the POWER MODE button 2 If the unit does not turn on replace the alkaline batteries 3 If the difficulties continue contact RKI Instruments Inc for further instruction The LCD shows abnormally high readings ...

Page 69: ... reaching the sensor because of a bad connection The calibration cylinder may be out of gas or is outdated The sensor may need replacement 1 Check all calibration tubing for leaks or for any bad connections 2 Make sure the 03 Series has been properly set up for calibration 3 Verify that the calibration cylinder contains an adequate supply of fresh test sample 4 If the fail condition continues repl...

Page 70: ... that the 03 Series is off 2 Release the left side of the alligator clip or belt clip if installed Figure 13 Clip Release 3 Rotate the captive battery cover screw counterclockwise to remove the battery cover Figure 14 Removing the Battery Cover Battery Cover Screw Battery Cover ...

Page 71: ...reen Set the date and time as described in Setting the Date and Time on page 33 Once the date and time have been set the instrument will begin its warmup sequence If you do not set the date and time within 30 seconds the instrument will automatically begin its warmup sequence Replacing the Sensor WARNING Replace the sensor in a non hazardous environment NOTE An alligator or belt clip may be instal...

Page 72: ...yed correctly HS 03 and CO 03 only Figure 16 Replacing the Sensor CAUTION When replacing the sensor verify that the sensor is properly aligned with its socket before inserting it into the socket The CO and H2S sensors have alignment slots which match up with alignment tabs in the sockets Forcing a sensor into its socket may damage the sensor or the socket Front Case Rear Case Screw 4x Tabs Oxygen ...

Page 73: ...e instrument but is not shown in the figures in this section When replacing the sensor filters it is recommended that you replace all filters at the same time The HS 03 and OX 03 only have a sensor membrane The CO 03 has a sensor membrane and a charcoal filter 1 Verify that the 03 Series is off 2 Remove the rubber boot if installed 3 With a small Phillips screwdriver carefully unscrew the four scr...

Page 74: ...ve a CO 03 install a charcoal filter into the recess in the sensor gasket There are tabs on either side of the recess that will hold the charcoal filter in place For all models insert a new sensor membrane in the sensor membrane recess 9 Reinstall the sensor gasket with the flat side down 10 Turn the front case right side up and carefully secure it to the rear case using the screws you removed in ...

Page 75: ...ring bars for alligator and belt clips 13 1116 Captive battery cover screw 20 0325 Rubber boot 33 0175 Sensor membrane 33 7106RK Filter disk charcoal 10 pack 49 1110RK AAA size alkaline battery 81 0064RK 01 Calibration cylinder 50 ppm CO in air 34 liter steel 81 0064RK 03 Calibration cylinder 50 ppm CO in air 103 liter steel 81 0078RK 01 Calibration cylinder 100 nitrogen 34 liter steel 81 0078RK 0...

Page 76: ...S03 Calibration kit for HS 03 containing one 58 liter aluminum gas cylinder 25 ppm H2S in nitrogen regulator calibration adapter case tubing 81 HS03 LV Calibration kit for HS 03 containing one 34 liter aluminum gas cylinder 25 ppm H2S in nitrogen regulator calibration adapter case tubing 81 OX03 Calibration kit for OX 03 containing one 103 liter steel gas cylinder 100 nitrogen regulator calibratio...

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