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EntryRAE Alarms: NEG

• The negative (NEG)

alarm is tripped if the
Fresh Air Calibration
was performed in a
contaminated
environment

• The instrument

requires calibration

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Summary of Contents for EntryRAE

Page 1: ...Affordable superior protection from the expected and the unexpected Using the EntryRAE...

Page 2: ...Agenda EntryRAE Features Daily Start up Pump Cycle Monitor Mode Programming Mode Calibration AutoRAE Docking Station...

Page 3: ...ace entry monitor PID 0 999 ppm VOCs 10 6 eV lamp Oxygen 0 30 vol LEL 0 100 LEL H2S 0 100 ppm CO 0 500 ppm Displays STEL TWA High and Low values Programmable STEL TWA High and Low alarm settings Up to...

Page 4: ...EntryRAE Features Big display Big buttons Rugged construction...

Page 5: ...EntryRAE Features Datalogging Drop in charging station with PC connectivity Fast access to sensors and battery Vehicle Mount with latch optional accessory...

Page 6: ...EntryRAE Features AutoRAE docking station for automated bump test and calibration system optional accessory...

Page 7: ...Daily Start up There are 2 main steps to start up 1 Turn on the monitor 2 Do a fresh air calibration...

Page 8: ...Turn the Monitor On To turn on the EntryRAE press the mode key for 1 second The monitor will perform a warm up sequence...

Page 9: ...Daily Start up Warm up sequence...

Page 10: ...Daily Start up Warm up sequence Firmware version displays varies over time...

Page 11: ...Daily Start up Warm up sequence Firmware version displayed Display segments tested...

Page 12: ...Daily Start up Warm up sequence Firmware version displayed Display segments tested The buzzer sounds The LEDs blink The vibrator cycles on and off...

Page 13: ...Daily Start up Warm up sequence Firmware version displayed Display segments tested The buzzer sounds The LEDs blink The vibrator cycles on and off Alarm limits appear in order High Low STEL TWA...

Page 14: ...Daily Start up Time and Date The time is shown in 24 hour format and the date is shown in ddmmyy format...

Page 15: ...Daily Start up Time and Date If the monitor has never been programmed before or if the clock battery is dead you will see a date error message Press to acknowledge the error...

Page 16: ...Daily Start up Calibration Needed Based upon a Cal Due Day that you set Can also appear if the Time or Date were changed Press to acknowledge the message...

Page 17: ...Daily Start up Fresh Air Calibration You must be in clean ambient air...

Page 18: ...Daily Start up Fresh Air Calibration You must be in clean ambient air Press Y and the calibration will begin...

Page 19: ...Daily Start up Fresh Air Calibration You must be in clean ambient air Press Y and the calibration will begin The display will count down from 5 to 1...

Page 20: ...Daily Start up Fresh Air Calibration The calibration data is updated The monitor warm up is complete...

Page 21: ...Check Sensor Zero If there are no alarms and the readings are as shown the EntryRAE is ready for use...

Page 22: ...t Pump Test the pump by blocking the inlet with your finger when the pump is on The monitor should go into alarm Press the Y key to clear the alarm If it does not go into alarm change the pump thresho...

Page 23: ...here are no alarms and the readings are as shown the EntryRAE is ready for use If the monitor has not been used recently a PID warm up of up to 3 minutes 180 seconds may occur and the monitor will cou...

Page 24: ...Pump Cycle The Pump Cycle The pump cycles on and off about every 8 seconds This on off cycle improves the reliability of the PID and saves battery life...

Page 25: ...Continuous Operation of the Pump Pressing the Y key and the N key simultaneously will cause the pump to run continuously for 30 minutes for applications like remote sampling of a confined space prior...

Page 26: ...Cycle Continuous Operation of the Pump Use ProRAE Studio to change the continuous operation time period Set it to run for up to 99 minutes or Set it to run continuously until the instrument is turned...

Page 27: ...Pump Cycle...

Page 28: ...Pump Cycle The Pump Cycle The pump will also run continuously when The concentration of any measured gas or vapor is nearing an alarm condition The concentration of VOCs is nearing an alarm condition...

Page 29: ...he warm up sequence is complete the EntryRAE is in Monitor Mode In this mode the display shows The current concentration of gases in ppm HIGH LOW TWA STEL Press the button to cycle through each exposu...

Page 30: ...ach gas concentration since the monitor was turned on LOW The lowest reading for each concentration since the gas was turned on STEL The Short Term Exposure Limit for CO H2S and VOCs only TWA The Time...

Page 31: ...STEL Short Term Exposure Limit STEL The STEL is the average reading of the gas concentration for the last 15 minutes NOTE The STEL reading does not appear until 15 minutes have elapsed...

Page 32: ...TWA Time Weighted Average TWA The TWA is the accumulated reading of the gas concentration divided by 8 hours since the monitor was turned on...

Page 33: ...ic 1 minute intervals 5 days continuous data storage Wrap around memory Stops when the monitor is in Programming Mode Resumes when the monitor is back in Monitor Mode Use ProRAE Studio software to man...

Page 34: ...ProRAE Studio Datalogged data...

Page 35: ...Alarm Signals If the pre set alarm limits are exceeded the monitor will go into alarm and the user should leave the contaminated area immediately...

Page 36: ...EntryRAE Alarms High Pre set HIGH alarms...

Page 37: ...EntryRAE Alarms Low Pre set LOW alarms...

Page 38: ...EntryRAE Alarms STEL Pre set STEL Alarms...

Page 39: ...EntryRAE Alarms TWA Pre set TWA Alarms...

Page 40: ...EntryRAE Alarms NEG The negative NEG alarm is tripped if the Fresh Air Calibration was performed in a contaminated environment The instrument requires calibration...

Page 41: ...Programming Mode Programming mode is used to Calibrate Change alarm limits Change alarm settings Enable Disable sensors...

Page 42: ...Programming Mode To get into Programming Mode Press the and N keys until the Fresh Air Cal screen appears...

Page 43: ...Programming Mode...

Page 44: ...options Press the Y key to enter a programming option Press the key to move to the sub option of interest Use the Y and N keys to change values Press the Y and keys simultaneously to accept a value Pl...

Page 45: ...Span Calibration To calibrate an EntryRAE the following items are needed A cylinder of four gas mix containing 50 LEL methane 20 9 O2 10 ppm H2S 50 ppm CO A cylinder of 100 ppm isobutylene...

Page 46: ...Calibration Fresh Air Calibration You must be in clean ambient air Press Y and the calibration will begin When it is complete it will move on to the next step of calibration...

Page 47: ...or Calibration Connect the calibration adapter to the EntryRAE and put a regulator 500 cc per minute flow rate on the 4 gas mix cylinder Connect the open end of the calibration adapter to the regulato...

Page 48: ...Calibration Multi Sensor Calibration When Span Cal appears on the display press Y and turn the gas all the way on The monitor will countdown from 70 seconds...

Page 49: ...Multi Sensor Calibration When the countdown is done compare the readings displayed on the monitor to the span gas values indicated on the gas cylinder The readings should closely agree with the span...

Page 50: ...Calibration PID Calibration The final step is to calibrate the PID sensor Connect the isobutylene cylinder to the EntryRAE...

Page 51: ...alibration Press Y and turn the gas all the way on The monitor will countdown from 30 Turn off the gas flow and remove the calibration adapter from the monitor The reading should closely agree with th...

Page 52: ...Charging the battery...

Page 53: ...Accessing Sensors Easy access to sensors...

Page 54: ...Accessing Sensors Loosen two screws Easy access to sensors...

Page 55: ...Accessing Sensors Loosen two screws Push the screws Easy access to sensors...

Page 56: ...Accessing Sensors Loosen two screws Push the screws The gas plate on the front of the EntryRAE comes off Easy access to sensors...

Page 57: ...Cleaning the PID Pull the PID out using the tweezers from the toolkit...

Page 58: ...Cleaning the PID You must use the special swabs provided Use isopropyl alcohol or methyl alcohol...

Page 59: ...Cleaning the PID Dip the swab in the alcohol and gently clean the exposed area of the lamp...

Page 60: ...Cleaning the PID Allow to dry for 24 hours Put back in monitor Calibrate...

Page 61: ...Accessing the Battery Easy access to battery...

Page 62: ...Accessing the Battery Loosen three screws...

Page 63: ...Accessing the Battery Loosen three screws Lift off the cover...

Page 64: ...Accessing the Battery Loosen three screws Lift off the cover Lift out the battery...

Page 65: ...Accessing the Battery Alkaline battery adapter...

Page 66: ...Charcoal Filter for CO CO sensor is sensitive to hydrocarbons Replace the filter every 4 to 6 weeks More frequently in dirty environments...

Page 67: ...If the monitor fails the pump test re set the pump threshold Press the Y and keys simultaneously for about 4 seconds the sensor readings will go blank Release the keys Using the scroll through the di...

Page 68: ...values together and then divide by two to get the average value Enter the average into the bottom number on the screen using the Y and N keys to increase and decrease the digits and to move between di...

Page 69: ...r Resources To learn more about how to put your new PID to good use please read the Technical and Application Notes included on this CDROM Brief 1 2 pages To the point e g Using PIDs for LEL measureme...

Page 70: ...a special application that you want to share with us a question a suggestion a concern please give us a call or send us an email the most up to date addresses and phone numbers will be on the back of...

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