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MultiRAE Plus Using the MultiRAE Plus personal multigas monitor Firmware v 3.12B...
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Training Agenda • MultiRAE Plus features • Turning on the MultiRAE Plus • Recommended Daily Start-up Procedure • User displays • Alarm modes • Programming displays • Calibration...
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MultiRAE Plus Features: Sensors • Oxygen: 0-30% • Combustibles: 0-100% of LEL • Toxic sensors: select two from CO, S, SO , NO, NO , Cl , HCN, NH • VOC monitor: 0-2000 PPM...
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MultiRAE Plus Features: Easy Sensor Access • New innovative casing design • Easy access to sensors with penny, nickel, or dime...
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MultiRAE Plus Features: Reliability • Extremely rugged for extensive field use • Weather proof case ° ° ° ° • -4 F to 113 F (-20 C to 45 • 4-way power: Li-Ion(NiCad), alkaline or run continuously on 110 VAC and 12 VDC •...
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MultiRAE Plus Features: Rugged Case Buzzer & Exhaust Display Charger Serial Port Port...
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MultiRAE Plus Features: Simple Faceplate Light Alarm LEDs Sensor • Three buttons on a sealed membrane faceplate: – Y/+ (horn): clears & tests alarms – N/- (light): turns on manual backlight for 90 seconds – MODE (ON)
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MultiRAE Plus Features: Rugged Boot Rugged Rubber External Filter Boot Belt Clip...
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• External filter for added protection • Pump stall feature: when moisture is detected or when pump is blocked the pump will shut off, protecting the MultiRAE Plus from potential damage • ~150cc/min at low flow, ~250cc/min at high flow...
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MultiRAE Plus Features: External Filter • Always use the external filter • Replace when it looks very dirty • Replace when MultiRAE Plus is in pump alarm with the filter on and you can clear the pump alarm with the filter off.
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MultiRAE Plus Start-up: Turning On • Unplug MultiRAE Plus from charger • Hold “MODE” Key to turn on • Alarm will beep once • Watch display screen for messages such – Sensors installed & their warranty expiration – Alarm limits –...
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MultiRAE Plus Start-up: Warnings TOX1 TOX2 Incorrect Year Check Clock!!! • If this screen appears during the start-up just acknowledge it with the “Y” key and follow the procedure for setting the clock. • The battery has gone dead and the MultiRAE...
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• This is a warning screen. As long as the sensor calibrates properly it is valid to continue using it. Acknowledge by pressing the “Y” key to continue warm-up. • For maximum MultiRAE Plus availability, RAE Systems recommends replacing sensors at the end of their warranty period...
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MultiRAE Plus Start-up: Fresh Air Calibration TOX1 TOX2 Fresh air calibration? • After 90 sec. warm-up, the MultiRAE Plus will ask to perform a fresh air calibration • If you are in clean, ambient air, press • The sensors will be zeroed...
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MultiRAE Plus Start-up: Check Sensor Zero TOX1 TOX2 20.9 • If there is no alarm, and the sensor readings are in the range shown above, then the MultiRAE Plus is ready for use.
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MultiRAE Plus Start-up: Check Sensor Zero TOX1 TOX2 20.6-21.2 • If any reading is outside these limits, wait a few minutes then check again. – If readings are in limits use the unit – If readings are still outside these limits...
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“Lamp” display along with audible alarm indicates that PID lamp has failed to light • Press “Y/+” key to clear alarm, if it clears MultiRAE Plus is ready for use • If alarm does not clear, wait a few minutes and check again...
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TOX1 TOX2 Lamp 20.9 • If after a few minutes the “Lamp” message remains, turn off MultiRAE Plus and restart • If after restart “Lamp” message disappears, MultiRAE Plus is ready for use • If after restart “Lamp” message remains, the...
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MultiRAE Plus Start-up: Pump Alarm TOX1 TOX2 Pump 20.9 • Every time the MultiRAE Plus is used it is important to check pump flow • Block the filter on the pump inlet • Reset pump alarm by pressing the “Y” key •...
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3 Display Modes • Text Mode: 3 screens and has password to get into programming (default mode) • Display Mode: 7 screens and has password to get into programming • Advanced Mode: 11 screens for most advanced users...
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Comparison of Display Modes Advanced Display Text Sensor ID Sensor ID Sensor ID w/OK PEAK PEAK Battery PC Comm STEL STEL Battery Battery Time/Date/Temp/Time PC Comm unit has been on Start Datalog* * Will not show LEL Gas if no datalogging VOC Gas option or auto PC Comm...
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Instantaneous Reading (Main Display) TOX1 TOX2 20.9 • This screen alternates between the instantaneous reading and the sensor name approximately every 3 seconds...
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This screen is deleted in Text Mode TOX1 TOX2 PEAK 20.9 • Holds Highest reading since MultiRAE Plus was turned on • Press “Y” key to clear peak/min – Screen will prompt: “Are you sure?” – Press “Y” to confirm peak clearing...
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Minimum Reading Display This screen is deleted in Text Mode TOX1 TOX2 13.5 • Holds Lowest reading since MultiRAE Plus was turned on • Tap “MODE” key to proceed to next screen...
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STEL • Short Term Exposure Limit (average for the past 15 minutes) • Displays “***” until MultiRAE Plus has been on for 15 minutes • STEL only is calculated for VOC & toxics • STEL alarm beeps once a second •...
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TOX1 TOX2 • Time Weighted Average is the accumulated reading of gas concentration divided by 8 hours since the MultiRAE Plus was turned on • TWA only is calculated for VOC & toxics • TWA alarm beeps once per second •...
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This screen is deleted in Text Mode TOX1 TOX2 Battery = 5.1V Shut off at 4.1V • MultiRAE Plus shuts down when battery voltage drops below 4.2 volts • Normal Full Charge is over 4.8 volts • Tap “MODE” key to proceed to next screen...
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Feb 15, 01 12:00 ON=01:22 • Date, Time of day • Accumulated time in hours and minutes since the MultiRAE Plus was turned on • Internal Temperature in Centigrade or Fahrenheit (operating range from -20-45 C, - 4-113 • Tap “MODE” key to proceed...
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This screen is deleted in Display & Text Mode TOX1 TOX2 Start Datalog? • Automatic: this screen is deleted and it logs data as soon as the MultiRAE Plus on (monitors with Datalogging ship in Automatic Datalog Mode) • Manual: logs if “Y/+” key is pushed now •...
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TOX2 20.9 • A small “L” is displayed in the left center of the MultiRAE Plus screen indicates datalogging • Will datalog 20,000 points (80 hrs, 5 channels, 1 min interval) • User can choose one of 4 datalog modes (Manual, Automatic, Periodic &...
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LEL Units Display This screen is deleted in Display & Text Mode TOX1 TOX2 LEL gas = Methane • Target Gas for LEL displayed here (MultiRAE Plus is currently measuring LEL in units of methane) • Correction Factor can only be changed in programming mode •...
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VOC Units Display This screen is deleted in Display & Text Mode TOX1 TOX2 VOC gas = Isobutylene • Target Gas VOC is displayed here (MultiRAE Plus is currently measuring VOC in units of isobutylene) • Correction Factor can only be changed in programming mode •...
TOX1 TOX2 Communicate with PC? • If “Y/+” key is pushed then MultiRAE Plus will display “Monitor will Pause. OK?” • If “Y/+” key is pushed again the MultiRAE Plus will display “Ready...” until it receives a signal from the computer or the “MODE”...
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Communicate with PC Display TOX1 TOX2 Ready... • When the MultiRAE Plus is in this communication standby mode it stops monitoring gas concentrations and stops datalogging. • Datalogging must be manually restarted when exiting unless automatic datalogging is in use.
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• The MultiRAE Plus will provide audible and visual alarms to alert users to unsafe states • The MultiRAE Plus also has the ability to run silent, with audible alarms turned off • It is extremely important to note that during...
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MultiRAE Plus Alarms: High TOX1 TOX2 High 20.9 • “High” display along with 3 beat/second audible/visible alarm and flashing display backlight indicates that VOC sensor (PID) has exceeded high alarm setpoint (100 ppm VOC default). • Press “Y/+” key to clear if latching alarm...
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MultiRAE Plus Alarms: Low TOX1 TOX2 • “Low” display along with 2 beat/second audible/visual alarm and flashing display backlight indicates that Oxygen sensor has gone into low alarm (less than 19.5% Oxygen default) • Press “Y/+” key to clear if latching alarm...
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“STEL” display along with a 1 beat/second audible/visual alarm indicates indicates that VOC sensor has exceeded STEL alarm setpoint (25 ppm VOC default) • This alarm will only clear after 15 minutes in clean air or the MultiRAE Plus is turned off!
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MultiRAE Plus Alarms: TWA TOX1 TOX2 20.9 • “TWA” display along with a 1 beat/second audible/visual alarm indicates indicates that VOC sensor has exceeded the TWA alarm setpoint (10 ppm VOC default) • This alarm will only clear after moving...
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Alarms: LEL OFF TOX1 TOX2 20.9 • “OFF” display along with a 3 beat/second audible/visual alarm indicates that LEL sensor has been exposed to too much gas and has shut off to protect the sensor. • Move the meter to clean air and press the “Y”...
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Alarms: NEG TOX1 TOX2 20.9 • “NEG” display along with a 1 beat/second audible/visual alarm indicates indicates that VOC sensor has drifted negative (below zero) because the sensor was zeroed in an area containing VOCs. • Perform “Fresh Air Calibration” in an area clear of all VOCs.
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MultiRAE Plus Alarms: Pump TOX1 TOX2 Pump 20.9 • “Pump” display along with 3 beep audible alarm indicates that pump has stopped due to line clog • Pump alarm is a latching alarm • Clear line/filter and press “Y/+” key to clear...
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A flashing “Bat” display along with a 1 beep alarm every 10 seconds indicates that the battery voltage has dropped below 4.35 V and it will shut down in 20-30 minutes • Quickly complete confined space entry and charge MultiRAE Plus or install alkaline battery...
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MultiRAE Plus Alarms: Memory Full TOX1 TOX2 MEM 20.9 • A flashing “MEM” display along with a 1 beat/second audible/tactile/visual alarm indicates that the datalog memory is full. • Clear datalog in “View or Change Datalog?” • If you get this alarm you might want to consider changing “Select memory full type?”...
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• Hold “MODE” and “N/-” keys for 5 sec. to get in Programming Mode – Default password is 0000 • If MultiRAE Plus asks a question “?” – Answer “Y” or “N” • To Accept or Escape – Use “MODE” Key –...
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Calibrate Monitor? • Fresh Air Calibration? – Make sure air is clean! • Multiple Sensor Calibration? • Single Sensor Calibration? • Modify Span Gas Value? • Change LEL/VOC Span Gas? – Choose (Y) to accept or (N) to move on, MODE to escape...
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Multiple Sensor Calibration TOX1 TOX2 - - - - - - • At “Multiple Sensor Calibration” press “Y/+” • For CO/H S/LEL mixed gas calibration the next screen should appear as above...
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Multiple Sensor Calibration TOX1 TOX2 Apply Mixed Gas • press “Y/+” key to display this screen • Attach calibration gas regulator to mixed gas cylinder • Turn on calibration gas • Attach calibration hose to MultiRAE Plus • Follow instructions on screen...
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Multiple Sensor Calibration TOX1 TOX2 No Gas Flow... • If you get this screen check for gas flow, the MultiRAE Plus will not perform span calibrations unless it senses calibration gas...
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Multiple Sensor Calibration TOX1 TOX2 Apply gas or hit any key to start • Try again after you have verified that the gas is correct and it is flowing properly • Follow instructions on screen • Disconnect regulator from gas cylinder when complete calibration...
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Single Sensor Calibration TOX1 TOX2 pick • VOC can only be calibrated individually, other sensors can be calibrated individually if necessary • At “Single Sensor Calibration” press “Y/+” • Use “MODE” to select VOC...
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Single Sensor Calibration • Attach calibration gas regulator to VOC (Isobutylene) cylinder • Turn on calibration gas • Attach calibration hose to MultiRAE Plus and make sure it is tight • With cursor on VOC press “Y/+” key • Follow instructions on screen •...
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• Modify Span Value – Allows you to change the calibration gas values to use other cal gases – Do not change if you are using the RAE Systems cal gas supplied with your meter • Change LEL/VOC Span Gas? –...
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Change Alarm Limits? • Change High alarm limit? – 3 Beeps per second (“High”) • Change Low alarm limit? – 2 Beeps per second (“Low”) • Change STEL alarm limit? – 1 Beep per second (“STEL”) • Change TWA alarm limit? –...
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Change Datalog? • Clear All Data? • Change Datalog Period? • Select Data Type? • Enable/Disable Datalog? • Select memory full type? Choose (Y/+) to accept or (N/-) to move on, MODE to escape...
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Select Memory Full Type? • Wrap around (default): after the memory becomes full the newest data is written over the oldest data (First in First Out or FIFO). – This is an excellent feature to provide “background” datalogging that is only used in case of an incident.
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Change Monitor Setup? • Change Site ID? • Change ID Mode? – If enabled the MultiRAE Plus will pause on start-up until correct ID is entered • Change User ID? • Change Alarm Mode? • Change User Mode? – “Advanced”...
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Change Monitor Setup? • Change Real Time Clock? • Change Backlight Mode? • Change Password? • Change Pump Speed? • Change Averaging Method? • Change Display Language? (English, Spanish) • Set Temperature Unit? (C or F Choose (Y) to accept or (N) to move on MODE to escape...
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Change Sensor Configuration? • Change LEL/VOC Gas Selection? • Enable/Disable Sensor? • Change Dilution Ratio? • Change PID Lamp Type? Choose (Y) to accept or (N) to move on, MODE to escape...
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MultiRAE Plus: Power Off • Hold Mode Key for full 5 seconds • Audible alarm will beep and display will read “Power-down in ...5 seconds” • Plug 12 VDC charger into MultiRAE Plus charge port when not in use...
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MultiRAE Plus: Smart Charging TOX1 TOX2 Charging..• Li-Ion batteries jump right to this screen • Nicad batteries will ask for “Deep Discharge” which is recommended about once a month, Li-ion don’t need discharge • Full charge can take up to 8 hours...
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MultiRAE Plus: Trickle Charging TOX1 TOX2 Fully Charged <Li-Ion> • When fully charged it will switch to trickle charge to maintain the battery • Turning off and on power to charger will reset charge to high and may burn-out battery if done repeatedly...
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• Provides 12-14 hours of duration • Make sure that cable runs in groove between batteries or it won’t fit • When reattaching MultiRAE Plus lid, seat it first at back by batteries then push the front down (silver MultiRAE Plus units only)
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