SafeLog 100 Datalogging Gas Monitor User Manual
Contents
1. SafeLog 100 Single Gas Datalogging Monitor Operator s Manual Note Due to the new ATEX Directive in Europe all references in this document to Ex or EEx for intrinsic safety approvals should be disregarded effective 7 1 03 within the member countries of the European Union EU At this time this product is not approved in accordance with the new ATEX Directive and is not sold for use in hazardous atmospheres or explosive zones by customers within the EU Outside of the EU all references to intrinsic safety continue without change QUEST TECHNOLOGIES Thank you for choosing Quest Technologies to meet your personal gas moni toring needs The SafeLog 100 is an extremely rugged lightweight single gas datalogging personal monitor It is our goal to make your decision to buy Quest products the right one and to provide support for any questions or concerns that might arise The purpose of this manual is to provide the user with the necessary information to operate the SafeLog 100 The entire manual should be read to fully understand the many features this instrument offers This manual is not all inclusive and cannot cover all unique situations In addi tion no warranties are contained in this manual except as described under the warranty policy section Copyright 1997 Revision B P N 054 479 QUEST TECHNOLOGIES The worldwide trusted name in industrial hygiene instruments for over 25 years 1060 Corpor2. Facility ID Session 1 Start 22 AUG 97 08 45 13 Department ID Stop 22 AUG 97 09 29 50 Job ID Printed 22 AUG 97 09 37 26 comments Notes LAST CALIBRATION 50 ppm 21 AUG 97 15 20 12 SUMMARY INFORMATION Temperature High 22 AUG 97 09 25 45 Low 22 AUG 97 08 45 14 Carbon Monoxide CO Peak Level 205 ppm 22 AUG 97 09 22 07 Average Level 30 ppm Peak STEL Level 89 ppm 22 AUG 97 09 25 13 TWA Level 2 ppm ALARM SETTINGS High 200 ppm STEL 100 ppm ALARM OCCURRENCES 4 ALARM HISTORY 22 AUG 97 22 AUG 97 22 AUG 97 22 AUG 97 09 24 28 Figure 3a Sample Printout SESSION 1 HISTOGRAM DATA PEAK STEL TEMP C OOOOOOoOcOOOOOoOo0o0o0o00000000000o0uooc00 OOOOOOOcOOOCcOOnnnrPHnmpPpHnnbBnumnbppepPmpPeooo coooocoooooocoooo MO U AU NHPO 0 100 RU o o j o NNNNNNONPP PHOOOOOO0O0O0O0000000000000000000000000 Figure 3b Sample Printout ERROR MESSAGES ERRI No sensor installed The unit does not recognize a valid sensor and it will chirp at one second intervals as long as the unit remains powered on Turn the unit off Check to make sure a Quest sensor module is in place If there is a sensor in place try replacing it ERR2 Memory error The unit s self test detected a problem with the memory Press the on off key to continue the unit s startup sequence Print the unit s data if desired then reset the memory ERR3 New sensor installed and or sensor n
3. Gas Range Reso Accur Drift Alarm Alarm Alarm lution acy High STEL TWA Carbon Monoxide CO 0 999 ppm 1 ppm 5 lt 2 200 ppm 100 ppm 35 ppm Hydrogen Sulfide HS 5 15 ppm 10 ppm Chlorine CL 5 1 ppm 0 5 ppm 4 7 ppm 4 7 ppm 35 ppm 25 ppm Sulphur Dioxide SO 5 ppm 2 ppm Nitric Oxide NO 25 ppm 25 ppm Nitrogen Dioxide NO 0 50 ppm 0 1 ppm 5 lt 2 8 ppm 5 ppm 2 ppm Gas Range Reso Accur Drift Alarm Alarm lution acy High LOW xygen B yg 0 30 0 1 5 lt 1 23 5 19 5 2 kk For Ammonia an exposure of lt 25ppm month is assumed Factory default settings Recommended for normal use Sensor accuracy listed by City Technology as a percentage of the reading Long term output drift listed as percentage of signal loss per month 11 SPECIFICATIONS Size Weight Power Battery Life Sensors Measurement Display Alarms Alarm Thresholds Memory Output Operating Indicator Temperature Range Humidity Range Warranty 4 5 x 3 0 x 1 5 11 4 em x 7 6 cm x 3 8 cm 8 8 oz 250 grams 9 volt alkaline battery 100 Hours City Technology Electrochemical Cells 4 series Continuous 1 sample second 4 digit backlit LCD Pulsating audio tone and flashing LED Remote alarm jack High level High level pre alarm through QuestSuite only Low level O2 only STEL TWA L
4. The current temperature reading is displayed followed by F for Fahrenheit or C for Celsius Pressing the enter key changes between Fahrenheit and Celsius 3 3 9 Password The display shows PASS Pressing the enter key shows 0000 with the first digit flashing Use the arrow keys to change the digit and the enter key to accept it When the last digit is entered the display will return to PASS 3 4 Zero Mode While four dashes are shown in the display pressing the zero key enters the ZERO mode this operates the same as zeroing through the SETUP mode The LVL and ZERO annunciator appear along with the current gas level Pressing the enter key zeroes the unit Pressing the zero key exits the Zero mode menu See Section 3 7 ZEROING on page 13 for further information 3 5 3 6 3 7 Print Mode Reset 3 5 1 Print From the display with four dashes pressing the PRINT key enters the PRINT mode The display will show PrLL or SEr based upon which cable parallel or serial is plugged into the unit With SEr in the display the unit will accept commands from a personal computer or QuestSuite for Windows software Serial communications are at a fixed rate of 9600 baud Pressing the enter key initiates printing 3 5 2 Reset To reset the unit while in the PRINT mode press the Y arrow key The display shows rSt which allows resetting of the logged memory Press and hold the enter key for a three second coun
5. ee ae ice SETUP ON TL CH INOLOGIE S Figure 1 SafeLog 100 2 2 Sensors The SafeLog 100 uses sensor modules with onboard memory that contains information about the individual sensor including sensor identification alarm setpoints calibration data and temperature compensation information When powered on the SafeLog 100 automatically recognizes which sensor type is in place and reads the information from the module Sensor type identification number and other information is stored for every datalogging session and appears in the printout 2 2 1 Temperature Compensation Because the sensor s output varies with temperature the unit measures temperature and automatically compensates for changes Compensation is based upon sensor data provided by the sensor s manufacturer Because the compensation is based upon the response of an average sensor some amount of error will still be present for any individual sensor It is therefore recommended that whenever possible the unit be calibrated close to the temperature it will be used in 2 3 Display Annunciator 2 3 1 RUN This annunciator appears whenever the unit enters the run mode While in the run mode gas measurements are taken compared to the alarm settings and logged into memory 2 3 2 LVL This annunciator appears in the display when the level measured by the sensor is shown when the high and low alarms are set wh
6. then the unit turns itself off The 9 volt alkaline battery must be replaced prior to the next use The on board lithium battery maintains the memory during this process 6 CHANGING THE BATTERY Note While the case is open the unit is not intrinsically safe Perform this operation in a non hazardous area While the unit is turned off turn the unit upside down and squeeze the two red slides together and pull out from the unit Replace the battery with a new 9 volt alkaline battery A new 9 volt alkaline battery has a life expectancy of over 100 hours The unit will automatically turn on when the new battery is installed If the old battery was dead or if the unit has been without power for more than several minutes then the sensor will require a stabilization period perhaps as long as 24 hours with some gases The unit does not need to be turned on during the stabilization period After changing the battery remember to zero and calibrate before entering a hazardous area Approximately 8 hours of usage remain from the time the BAT annunciator first appears in the display As a safety precaution it is recommended that the battery be replaced as soon the BAT annunciator is first noticed If the battery is inadvertently removed while the unit is turned on and in the run mode the current session is closed and saved in memory Inserting a new battery and then entering the run mode begins a new session The following alkaline batteries a
7. This key turns the unit on and off selects a value to be changed initiates the printing calibration and zero functions and enters the RUN mode 2 4 2 SETUP The setup key enters and exits the SETUP mode Pushing the key from the display with four dashes enters the SETUP mode Pushing the key again exits to the display with four dashes 2 4 3 PRINT A ARROW The print key enters and exits the PRINT mode Pushing the key from the display with four dashes enters the PRINT mode Pushing the key again exits to the display with four dashes The A arrow key moves through menu items or increases numeric set points 2 4 4 ZERO Y ARROW The zero key enters and exits the ZERO mode Pushing the key from the display with four dashes enters the ZERO mode Pushing the key again exits to the display with four dashes The V arrow moves through menu items or decreases numeric setpoints THE BACKLIGHT Pressing any key turns the backlight on for five seconds The backlight is also on during all alarming conditions 3 1 3 2 UNIT OPERATION Turning the Unit ON Press ON OFF The following startup sequence will occur 1 All of the display segments appear simultaneously on the screen and the backlight turns on 2 The software revision of the unit s internal program is displayed The LED and audio alarm activate 3 Ifthe sensor has been changed or if no sensor is in place the display will show an error code and the alarm will chirp
8. the unit by pressing the zero key from the display with four dashes or as one of the options available through the setup mode The LVL and ZERO annunciators appear along with the current gas level The gas level displayed should be stable before continuing Press the enter key to zero the unit If successfully zeroed the display will show the current gas level as zero except in the case of oxygen where the display will show 20 9 An unsuccessful zero results in an error message appearing in the display If the level reading is high prior to attempting to initiate a zero an error occurs Typical causes include the presence of gas the sensor has recently been put in the unit and has not had enough time to settle or the sensor is old and can no longer be adjusted Make certain that the environment is free from toxic gases and the sensor has been under power long enough to have settled If the unit still can not successfully perform a zero replace the sensor 3 8 Calibration Note You must zero your unit prior to calibration Perform this operation in a non hazardous area See Section 3 7 Zeroing on page 13 First check the calibration level While in the SETUP mode use the arrow keys to move through the menu until the CAL and LVL annunciator appears Check the calibration level shown on the display against the level printed on the calibration gas cylinder If they differ change the calibration level in the unit to match the calibra
9. 1 262 567 4047 QUEST WARRANTY POLICY Warranty Policy Quest Technologies warrants our instruments to be free from defects in materials and workmanship for one year under normal conditions of use and service For U S A customers we will replace or repair our option defective instruments at no charge excluding batteries abuse misuse alterations physi cal damage or instruments previously repaired by other than Quest Technologies Microphones sensors and printers may have shorter warranty periods This warranty states our total obligation in place of any other warranties expressed or implied Our warranty does not include any liability or obligation directly resulting from any defective instrument or product or any associated damages injuries or property loss including loss of use or measurement data For warranty outside the U S A a minimum one year warranty applies to the same limitation and exceptions as above with service provided or arranged through the authorized Quest distributor or our Quest European Service Laboratory Foreign purchasers should contact the local Quest distributor for details TECHNOLOGIES 1060 Corporate Center Drive Oconomowoc WI 53066 USA 800 245 0779 Fax 262 567 4047 http quest technologies com Printed in U S A 054 479 Rev B
10. 971 54 972 Sulphur Dioxide 54 971 54 972 Nitric Oxide 54 971 54 972 Nitrogen Dioxide 54 971 54 972 Hydrogen Cyanide 400 54 971 54 972 Ammonia 250 54 973 3 9 Alarms All alarm levels may be set or changed through the setup mode The unit uses HI STEL and TWA alarms for toxic sensors and HI and LO alarms for oxygen sensors During the run mode HI and LO alarm conditions are checked each second and STEL and TWA alarm conditions are checked every minute If any alarm setting is exceeded the buzzer and LED turn on the value causing the alarm is displayed and the alarm condition and time of occurrence are recorded in memory Pressing the on off key will turn off the alarm If the alarm condition still exists it will be turned back on when the alarming value is next calculated 1 minute for STEL and TWA 1 second for HI and LO levels Using QuestSuite for Windows software allows a high level pre alarm to be set and enabled If the sensor reading exceeds the pre alarm level the unit gives a once per second chirp Note that this feature may only be set up and enabled with QuestSuite software 3 10 Data Acquisition 3 11 While in the RUN mode the sensor is sampled every second All values except for STEL are updated and compared to the alarm settings STEL is updated and compared to it s alarm setting every minute Logging Each time the unit enters the run mode a new session begins The TWA STEL and AVG level
11. E EEE E AE EEEE 18 4 2 Parallel 5 eee tdeo N 18 4 3 Sample Printout nitate rit eiiis 19 5 ERROR MESSAGES eseseosesesreseeesesseocoseeeosossorososeosoreevososeesososeesoseseososs 21 6 CHANGING THE BATTERY eeeeeeeeeen eene nnne ens tn nens tntnenenn 22 7 CHANGING THE SENSOR eeeeeeeeeeen eee tntn esta tntnstn tnus tn tnn sns 23 8 MAINTENANCE wiccccsctescssiccsccescecesesecssseasctessceascsescasesectacccoccacensocasesestoons 24 9 FACTORS AFFECTING RESPONSE e25 9 1 Toxic Gases 329 9 2 Cross Sensitivity Chart ete tte ete teer teens 25 10 GAS SPECIFIC DATA eere eene teens tnen stats enean enean enun 26 11 SPECIFICATIONS eeeeeeeee eese tostas sauces tn en stato ensis tasas dissii sapai 27 12 ACCESSORIES csscsscssastessetecasssncdssevescsseveccessasiesoosscdsssnscesooksedsssnscscaensese 29 12 1 Replacement Sensor Modules se 29 12 2 Accessories ae 12 3 Calibration Kit cote eoe aiea 12 4 Regulators va T 12 5 103 Liter Steel Cylinder Calibration Gases a 12 6 58 Liter Aluminum Cylinder Calibration Gases 30 QUEST SERVICE POLICY cc ccssssssssssssssssssssscsssssssssesssssssssssssesssseseceee 31 QUEST WARRANTY POLICY ccscsssssssssscsssssssesssssssssssssesessssssesessssasees 32 1 INTRODUCTION The Quest SafeLog 100 single gas detector is a compact personally worn unit which measures either
12. Press the enter key to continue 4 The chemical symbol for the measuring sensor is briefly shown in the display i e CO 5 The status of the confidence chirp is displayed CC 1 indicates that it is active CC 0 indicates that it is turned off 6 The display shows the battery s voltage A reading of 6 5 indicates that your battery has roughly eight hours of life remaining and at that voltage point the LOBAT annunciator appears on the screen QUEST RECOM MENDS THAT YOU CHANGE THE BATTERY AS SOON AS THE VOLTAGE REACHES THIS LEVEL A reading of 6 1 will turn the LOBAT alarm on indicating that you should change the battery immedi ately in a non hazardous area 7 The display shows four dashes If no keys are pushed for thirty seconds the unit automatically enters the run mode Turning the Unit OFF Press ON OFF and hold the key down as the unit counts down from three Once it counts down to zero and the alarm turns on continuously release the key and the unit turns off If the key is released prior to counting down to zero the unit returns to the display with four dashes 3 3 Setup Mode With four dashes in the display press the setup key to enter the SETUP mode The display shows four zeros representing the password Use the arrow keys to change each digit and the enter key to select the digit If the password is correct the unit goes to the SETUP mode If the password is forgotten the default password is 9157
13. The SETUP mode menu includes Zero Calibration Level Calibration Hi Level Alarm LO Level Alarm Oxygen STEL Alarm Toxic TWA Alarm Toxic Confidence Chirp Status Time Date Temperature and Password The A arrow and V arrow keys move through the menu items Press the setup key to return to the display with the four dashes 3 3 1 Zero The display shows the current level along with the LVL and ZERO annun ciator Press the enter key to zero the unit If the sensor can not be zeroed an error message is displayed See Section 3 7 ZEROING on page 13 and Section 5 ERROR MESSAGES on page 21 for further information 3 3 2 Calibration Level The display shows the calibration gas level along with the CAL and LVL annunciator Pressing the enter key allows adjustment of the calibration gas level The first digit will flash Use the arrow and enter keys to adjust the level 3 3 3 Calibration The display shows the CAL annunciator and the current sensor reading When the reading is stable press the enter key and the display will show CAL indicating that it is adjusting the calibration When calibration is complete the display returns to the new sensor reading If the sensor can not be calibrated an error message is shown See Section 3 8 CALIBRATION on page 14 and Section 5 ERROR MESSAGES on page 21 for further information 3 3 4 Alarm Levels For the high level alarm the HI and LVL annunciator will be on the dis play For the
14. able It is backed by our full one year warranty which seeks complete customer satisfaction This is your assurance that you can expect prompt courteous service for your equipment from the entire Quest service organization Should your Quest equipment need to be returned for repair or recalibra tion please contact the Service Department at 800 245 0779 USA or Fax 262 567 4047 for a Return Authorization Number The RA number is valid for 30 days and must be shown on the shipping label and purchase order cover let ter If you are unable to return instruments in that time call for a new RA num ber Send it prepaid and properly packed in the original shipping carton directly to Quest Technologies 1060 Corporate Center Drive Oconomowoc WI 53066 U S A Repair or replacement work done under warranty will be performed free of charge and the instrument will be returned to you prepaid Your copy or a photocopy of the Quest Registration Card will serve as proof of warranty should the factory require this information If for any reason you should find it necessary to contact the factory regard ing service or shipping damage please direct your calls or letters to the attention of the Service Manager Quest Technologies 262 567 9157 or 800 245 0779 Office hours are from 7 AM to 6 PM Central Standard Time Monday through Friday For service or recalibration outside the U S A please contact your local Quest Dealer or fax Quest U S A at
15. ate Center Drive Oconomowoc WI 53066 USA 800 245 0779 Fax 262 567 4047 http quest technologies com Printed in U S A INTRODUCTION ss csscsccasscssssssesssasecnscacstossacecacsasetnssecssneveaosoascascsaseascansassee 5 GENERAL DESCRIPTION 6 2 1 SafeLog 100 6 2 2 SONSOMS c avg weer Mich RD healed rds Moves Marla tases 7 2 2 1 Temperature Compensation eee 7 2 3 Display Annunciator 2 3 1 2 3 2 2 3 3 2 3 4 2 3 5 2 3 6 PRINT A ARROW 2 4 4 ZERO W ARROW 2 5 The Backlight nsss 5i ridet ee eter m 9 UNIT OPERATION 10 3 1 Turning the Unit On 10 32 Turning the Unit Off iiiaseeeritreiet deessbedntesaeateesveanede 10 3 3 Setup Mode aaa ode tees eto CRAS LER 11 3 3 1 3 3 2 3 3 3 3 3 4 3 3 5 3 3 6 3 3 7 i 3 3 8 Temperature sore e eo m e eee eee etae ce 12 3 3 9 Password eee PRU TRUE NOSE 12 3 4 Zero Mode 3 5 Print Mode Reset he oot o enorm rcr gd RR 13 3 5 E PEifU sh eere teen ed aera eter d raten 13 3 5 2 ReSeli cose ieevaci ere WC ENVIRON ERRORES RU 13 3 6 R nm Mode RE RB So uiu Esne ui iere UCM D e UL MALI IM MED US 3 4 ZETOMB c ERI ee A ee UE P HERE 3 8 Calibration ae 3 8 1 Minimum Flow Rate Table eee 16 3 9 Alarms c E oh e b Dee ene leant 3 10 Data Acquisition Y glossit ra ET 4 PRINTING 43er osses uisa eiS nin S E ei i ase 18 AM Serial EEE
16. en the calibra tion level is shown and when zeroing 2 3 3 TWA This annunciator which stands for Time Weighted Average is present only when using a toxic gas sensor The unit calculates the TWA by summing the sensor values and then dividing them by the number of samples measured in eight hours 28 800 It then compares the TWA to its alarm level which is the maximum average concentration to which an unprotected worker can be exposed over an eight hour period If this level is exceeded the alarm activates and the alarm value is shown on the display 2 3 4 STEL This annunciator which stands for Short Term Exposure Limit is present only when using a toxic gas sensor Toxic gases may have STEL s which are higher than the eight hour TWA This is the maximum average con centration to which an unprotected worker may be exposed in any fifteen minute interval during the day The monitor calculates the STEL by com piling fifteen one minute averages updating each minute thereafter The monitor compares the STEL to the peak STEL value which is replaced whenever it is exceeded It then compares the STEL to its alarm level and if this level is exceeded the alarm activates and the current value is shown on the display 2 3 5 HI This annunciator appears when the high level alarm of a toxic gas or the upper limit of O2 is displayed This is the highest concentration of gas to which an unprotected worker should ever be exposed even momen
17. he unit will default to serial and SEr will be displayed Pressing the enter key initiates printing Prn shows up in the display while the unit is printing Press and hold the enter key during printing to abort Serial Use serial cable 454 715 to print data to or communicate with a personal computer Connect the cable between the SafeLog 100 and the PC s serial RS 232 com port QuestSuite for Windows software is recommended for use with the SafeLog 100 SEr must be in the display for the unit to be able to send and receive information from QuestSuite M Other commu nication programs such as WIN 95 s Hyperterminal may be used to capture the unit s printout into a file Note The PC s serial port should be either a 25 pin male or a 9 pin male 4 2 connector If the PC only has a 9 pin port available then a standard 25 to 9 pin converter can be used Do not use any other adapter cables The serial format is Baud rate 9600 Data bits 8 Stop bits 1 Parity none Flow control Xon Xoff Parallel Use parallel cable 56 875 to send data to a parallel printer Connect the cable between the SafeLog 100 and the printer Make sure the printer is powered on and its ONLINE light typically green is lit 4 3 Sample Printout QUEST TECHNOLOGIES GAS DETECTION REPORT File Identification SafeLOG 100 Ver 2 04 Serial TR7060001 Employee Name Sensor Carbon Monoxide CO Employee ID Serial 4CF 141038 067
18. itrogen Dioxide NO Hydrogen Cyanide HCN 12 2 Accessories 54 488 54 948 Hose 54 105 54 702 54 964 54 714 54 715 54 875 54 849 Protective Leather Carrying Case with Shoulder Strap Sample Draw Adapter with Hand Aspirator and 10 Feet of Replacement Hose per foot 3 16 I D TYGON Clear Calibration Cup Storage Case Earphone Serial Interface Cable Parallel Printer Cable Sensor Hotbox 12 3 Calibration Kit 54 974 Two Cylinder Calibration Kit Includes two cylinder calibration case regulator specify which regulator and tubing 12 4 Regulators 54 97 0 5 Ipm Regulator with 2 050 LD tubing 54 972 1 0 1pm Regulator for Chlorine with 2 050 I D tubing 54 973 1 0 lpm Corrosive Gas Regulator for Ammonia with 2 050 I D tubing 12 5 103 Liter Steel Cylinder Calibration Gases 54 141 100 Nitrogen 54 142 50 PPM Carbon Monoxide in Air 54 143 200 PPM Carbon Monoxide in Air 54 144 50 PPM Carbon Monoxide in Nitrogen 12 6 58 Liter Aluminum Cylinder Calibration Gases 54 146 25 PPM Hydrogen Sulphide in Air 54 147 10 PPM Chlorine in Nitrogen 54 148 10 PPM Sulphur Dioxide in Air 54 149 25 PPM Nitric Oxide in Nitrogen 54 150 5 PPM Nitrogen Dioxide in Nitrogen 54 152 10 PPM Hydrogen Cyanide in Nitrogen 54 264 10 PPM Ammonia in Air 54 265 25 PPM Ammonia in Air QUEST SERVICE POLICY Service Policy The Quest product you have purchased is one of the finest gas detection instruments avail
19. low level alarm oxygen only LO and LVL will be on the display For the STEL alarm toxics only HI and STEL will be on the display For the TWA alarm toxics only HI and TWA will be on the dis play Pressing the enter key causes the first digit to flash Use the arrow and enter keys to adjust the level 3 3 5 Confidence Chirp Status The confidence chirp feature gives a single audible chirp every 30 seconds while the unit is running The confidence chirp status is indicated by CC 1 if turned on and CC 0 if turned off Pressing the enter key changes the status 3 3 6 Time The current time of day is displayed in 24 hour format Pressing the enter key causes the first digit to flash Change the time using the arrow and enter keys If the new time entered is not a valid time the original time is put back into the display with the first digit flashing 3 3 7 Date The display will show dAtE Pressing the enter key displays a d fol lowed by the day of the month with the first digit flashing Use the arrow and enter keys to change the day When the day is entered an 0 is dis played followed by the month with the first digit flashing When the new month has been entered the year is displayed with the first digit flashing When the last digit of the year has been entered the display will return to dAtE If any portion of the date is invalid the original date is put back into the display and it must be re entered 3 3 8 Temperature
20. nit will turn on and read the new sensor information SMART SENSOR LOOSEN SCREW OCAI D INSEL BATTERY COMPARTMENT 19 REMOVE TOP CAP BATTERY Figure 4 Changing the Sensor 8 MAINTENANCE When the unit is stored or not in use for extended lengths of time it should be calibrated functionally tested and its battery should be checked or changed at least once per month This will help to ensure that the unit will be working properly when it is needed Note If the unit has been stored without a battery then it requires a stabilization period prior to calibration once the battery has been replaced 9 FACTORS AFFECTING RESPONSE 9 1 Toxic Gases The presence of some gases can affect the sensor reading of the toxic gas for which you are measuring The chart below shows how each sensor listed in the left column will respond to 100 ppm of the interfering gases listed along the top TOW 9 2 Cross Sensitivity Chart Sensor CO HS CO ioo 10 HS lt 0 5 100 SO lt 1 lt 1 NO 0 10 NO jo 0 CL 0 m 3 HCN 0 5 n d NH lo 130 COu 100 315 SO lt 5 z20 100 0 5 I 160 NO 10 lt 2 100 Interfering Gas NO 15 20 100 25 100 120 190 0 55 Unfiltered Carbon Monoxide Sensor CL lt 5 20 60 HCN CH NH 15 50 0 Oo occ oco 100 30 100 40 90 0 10 GAS SPECIFIC DATA
21. ot calibrated This error message acts as a warning message that the sensor has been changed Press the on off key to continue the unit s startup sequence Zero and calibrate the sensor prior to use ERR4 Can not zero Make sure the environment contains clean air and the measured gas is not present If the sensor is new make sure it has been installed under power long enough to stabilize If the sensor is old try replacing it ERRS Can not calibrate Make sure the calibration gas cylinder is turned on and that it is the correct gas for the sensor being calibrated Check the concentration of gas in the cylinder and make sure it matches the unit s calibration level setting If the sensor is new make sure it has been installed under power long enough to stabilize If the sensor is old try replacing it FULL Memory full This message may appear during a session run or when putting the unit in the run mode It indicates that the 60 hours of logging memory is full When FULL appears in the display press the on off key to acknowledge the message and stop the alarm s chirp The unit will continue to operate in a non datalogging mode All other measurements computed values and alarms will continue to function normally Reset the memory prior to the next session to avoid this message DEAD Dead battery When the battery voltage drops below the usable range dEAd appears in the display the buzzer activates for approximately 25 seconds
22. ow battery 60 hours at 1 minute intervals Jack for data output Serial and Parallel Periodic confidence chirp and visual flash every 30 seconds if enabled 10 to 45 C 14 to 113 F operating 15 to 60 C 5 to 140 F storage 0 to 95 R H non continuous non condensing 15 to 90 R H continuous non condensing Sensors 1 year electronics 1 year Cell Life Expectancy Intrinsic Safety RFI Protection Ammonia sensor 1 year in air or 2ppm years Other Toxic sensors 2 years Oxygen sensor 1 year UL cUL CENELEC DEMKO Class LILITI Division 1 Groups A B C D E F G ANSI ISA S12 1 Definition and Information Pertaining to Electrical Instruments in Hazardous Classified Location ANSI ISA S12 15 Part I Performance Requirements for Hydrogen Sulfide Detection Instruments ANSI Standard C95 1 1982 Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields 300kHz to 100GHz Instrument readout will not change by more than 5 of its full scale reading when placed no less than one foot from a five watt radio transmitting on a frequency of 30 150 or 450 MHz 12 ACCESSORIES 12 1 Replacement Sensor Modules 54 873 54 875 54 876 54 874 54 881 54 879 54 878 54 877 54 880 54 886 Oxygen 02 Carbon Monoxide CO Carbon Monoxide unfiltered COu Hydrogen Sulphide H5S Chlorine C12 Ammonia NH3 Sulphur Dioxide SO Nitric Oxide NO N
23. oxygen or one of eight possible toxic gases The measured levels of these gases are shown in a backlit four digit LCD display When one of the unit s alarm thresholds has been exceeded the unit pro duces a two tone alarm and the LED flashes This 8 8 oz unit is powered by a single 9 volt alkaline battery life expectancy 100 hrs The unit measures its gas sensor s output continuously at one sample per second It records over 60 hours of 1 minute historical data including the high level for each minute STEL TWA and temperature All recorded data can be sent to a printer or computer for record keeping or further data analysis Like many of Quest s data logging instruments the SafeLog 100 works with the QuestSuite software package Warning The SafeLog 100 is intended to measure gases that are poten tially dangerous to human health To help ensure worker safety through proper use of your unit it is important that you not only read but also under stand the contents of this manual Please familiarize yourself with the unit before using it in a potentially hazardous situation 2 GENERAL DESCRIPTION 2 1 SafeLog 100 The SafeLog 100 is an extremely rugged light weight single gas datalog ging personal monitor Designed for today s demanding work environ ments the unit features a large four digit display with backlighting and pulsating warning horn and visual alarms SafeLog 100 TWA STEL over ENTER
24. re recommended for intrinsically safe use of the SafeLog 100 Eveready Energizer No 522 Alkaline Eveready Energizer Industrial Alkaline No EN22 GP Alkacell Alkaline No 1604A Kodak Supralife Alkaline Panasonic Alkaline Industrial use No GAM6X Procell Duracell Professional Alkaline No PC 16094 Radio Shack Energy Plus Alkaline Enercell No 23 553 Rayovac Alkaline Maximum No A1604 Sanyo Alkaline No GAM69V Varta Alkaline Extra Longlife No 4022 E Block 6LR61 6AM6 MN 1604 7 CHANGING THE SENSOR Note While the case is open the unit is not intrinsically safe perform this exercise in a non hazardous area Allow the new sensor to stabilize Zero and calibrate prior to use The entire sensor module is replaced The old sensor module should be discarded do not attempt to break the module apart or reuse any parts To change the sensor first remove the battery and its holder Inside of the battery compartment is a single screw Turning the screw counter clock wise pushes up and releases the red top cap of the unit Lift the sensor module up off of the circuit board and push in the new one A circular hydrophobic filter sits in the opening on top of the sensor module make sure the new sensor has a filter in place prior to reinstalling the top cap Set the top cap back on the unit and turn the screw clockwise until the top cap again seals against the unit s main housing When the battery is replaced the u
25. s all begin at zero Each session s data is recorded separately in memory and is printed with its own header and data summa ry In the RUN mode the unit records data to memory in one minute intervals For each one minute interval the record contains the highest value HI measured the lowest value LO measured oxygen STEL toxic TWA toxic and temperature The summary data for each session will contain the sensor type serial number last calibration date alarm history peak level PEAK average level AVG minimum level oxygen peak STEL toxic the session number and the session start and stop times The unit logs data for approximately 60 hours When the logging memory is full FULL appears in the display and the alarm will chirp Press the on off key to acknowledge the memory full condition and stop the alarm s chirp The unit will continue to operate in a non datalogging mode and will measure gas update values and check for alarm conditions but it stops logging time history data to memory 4 1 PRINTING The SafeLog 100 can send data serially to a computer or in parallel to a printer Serial data transmission requires the Quest cable 254 715 and par allel data transmission requires the Quest cable 2256 875 With the cable plugged into the unit pressing the print key from the main menu results in either SEr or PrLL showing in the display corresponding to which cable is plugged in If a cable is not plugged in t
26. tarily 2 3 6 LO This annunciator appears only on the O2 monitor when the low oxygen alarm limit is displayed This is the minimum permissible oxygen level to which an unprotected worker should ever be exposed 2 3 7 ZERO This annunciator appears when you put the monitor into the zero sensor mode YOUR UNIT MUST BE ZEROED IN A CLEAN AIR ENVI RONMENT PRIOR TO CALIBRATION See Section 3 7 Zeroing on page 13 for further information 2 3 8 BAT This annunciator representing a low battery condition appears when the battery s voltage drops below 6 5 volts If the battery remains within the unit until its voltage drops to 6 1 the unit will chirp At 6 0 volts the alarm produces a steady tone for 25 seconds dEAd appears in the display and then the unit automatically turns itself off A new 9 volt alkaline battery has a life expectancy of over 100 hours Approximately 8 hours remain from the time the BAT annunciator first appears in the display See Section 6 Changing the Battery on page 22 for further information 2 4 2 5 2 3 9 PEAK This annunciator appears during the RUN mode when the peak level and in the case of the toxic gases the peak STEL are shown 2 3 10 CAL This annunciator appears during the SETUP mode when changing the cali bration level and while calibrating 2 3 44 AVG This annunciator appears during the RUN mode when the average expo sure level is shown The Keys 2 4 4 ON OFF ENTER
27. tdown to reset the logging memory This will clear all recorded sessions but will not affect any user setup options After a complete reset the unit automatically returns to the display with four dashes Run Mode While four dashes are shown in the display the unit automatically enters the RUN mode after thirty seconds or after pressing the enter key The display will show the current gas level along with the RUN and LVL annunciators In the RUN mode pressing the arrow keys will display the following items Level STEL Toxic TWA Toxic Peak Level LO Level oxygen Peak STEL Toxic Average Level Time Temperature and the chemical symbol corresponding to the installed sensor Press the enter key to turn on the backlight without changing the item in the display Close the run mode by pressing and holding the on off key while a three second close CLS countdown is shown in the display This closes the session The next time the unit enters the run mode it begins a new session Zeroing THE SENSOR S SENSITIVITY CHANGES OVER TIME AND AFTER USE SO TO ADJUST FOR THIS PERFORM THIS EXERCISE PRIOR TO EVERY USE Note Fresh uncontaminated air is necessary for this procedure Perform away from heavy traffic excessive cigarette smoke etc If such an atmosphere is difficult to reach zero air cylinders are available Zeroing the sensor adjusts for small baseline drifts which occur over time in electrochemical sensors Zero
28. tion gas See Section 3 3 2 Calibration Level on page 11 Snap the unit s calibration cup over the top of the unit so that the cup chamber is over the sensor See Figure 2 Calibration on page 15 Check the Minimum Flow Rate Table Section 3 8 1 on page 16 for the specific gas to be sure the regulator is adequate Tightly screw the regulator onto the calibration gas cylinder and check the hose s connection to the regulator to be sure it is secure Firmly place the end of the hose onto the nozzle of the unit s calibration cup Turn the knob on the regulator counter clockwise as far as it will turn to release the gas TUBING a i id di f e m REGULATOR f i CAI BRATION CU BY G C CALIBRATION GAS Figure 2 Culibration Press the V arrow key on the unit so that the CAL annunciator appears in the display along with the current gas level Wait for the level on the unit s display to stabilize Press the enter key CAL appears in the display as the unit calibrates itself When the sensor is old and can no longer calibrate an error message is given in the display See Section 5 ERROR MESSAGES on page 21 for more information 3 8 1 Minimum Flow Rate Table This chart shows the minimum flow rate necessary for calibration Be sure that the proper regulator is used Gas Minimum Flow Rate Regulator Stock Number ml min Carbon Monoxide 54 97 54 972 Hydrogen Sulfide 54
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