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Multi-gas Detector   

 

Instruction Manual 

 

 

 

 

 

 

 

 

 

 

Model designation 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This instruction manual applies to the six models listed to the left.     

 

Keep this manual for easy reference. 

 

Carefully read this manual prior to use. 

 

Note: Refer to page 2 for information on explosive-proof application. 

 

XP-302M-RET(00) 

July 2018 

XP-302M-R-A/B/C-1/2 

A/B/C denotes target gases 

A:   Oxygen (O2), combustible gas (COMB),   

hydrogen sulfide (H2S), and carbon monoxide (CO) 

B:   Oxygen (O2), combustible gas (COMB), and 

  hydrogen sulfide (H2S) 

C:  Oxygen (O2), combustible gas (COMB),   

  and carbon monoxide (CO) 

1/2 denotes accessory 

1:  Gas sampling tube (1m) with probe nozzle 
2:  Gas sampling tube (8m) with sampling float 

 

XP-302M-R

-A-1

 

 

XP-302M-R

-B-1

 

 

XP-302M-R

-C-1

 

 

XP-302M-R

-A-2

 

 

XP-302M-R

-B-2

 

 

XP-302M-R

-C-2

 

 

Summary of Contents for XP-302M-R-A-1

Page 1: ...lication XP 302M RET 00 July 2018 XP 302M R A B C 1 2 A B C denotes target gases A Oxygen O2 combustible gas COMB hydrogen sulfide H2S and carbon monoxide CO B Oxygen O2 combustible gas COMB and hydrogen sulfide H2S C Oxygen O2 combustible gas COMB and carbon monoxide CO 1 2 denotes accessory 1 Gas sampling tube 1m with probe nozzle 2 Gas sampling tube 8m with sampling float XP 302M R A 1 XP 302M ...

Page 2: ...ngs Data Logging 19 Functions and Settings Alarm Set Values 24 Functions and Settings Clock 25 Functions and Settings O2 Mode Setting 26 Functions and Settings Volume Mute 27 Functions and Settings LCD Contrast 29 Functions and Settings Display 30 Functions and Settings Safety Lock 31 4 Notifications Error Messages on Display 34 5 Consumable Replacement 35 Filter Element Replacement 35 Battery Rep...

Page 3: ... shoulder strap Refer to Model designation on cover page 1 For XP 302M R A B C 1 Gas sampling tube 1m with drain filter and probe nozzle For XP 302M R A B C 2 Gas sampling tube 8m with sampling float and storage case 1 For XP 302M R A B C 1 Replacement filter elements FE 2 x 2pcs For XP 302M R A B C 2 Replacement filter elements FE 2 x 10pcs Pre installed in a pocket holder on the carry case s rea...

Page 4: ...lin battery LR6 1 5 V x 4 pcs 2 5 VDC 0 13A for combustible gas sensor Operating temperature 20 to 40ºC Conditions of use Do not replace the batteries in a hazardous area Only use the detector while installed in its dedicated carry case Do not use the USB or AC adaptor in a hazadous area To prevent accidents from electrostatic charges wear anti static clothing conductive footwear antistatic work s...

Page 5: ... so may cause incorrect air adjustment which will then lead to inaccurate measurements being displayed Do not block any gas inlet and outlet If blocked accurate detection is not possible Keep the filter elements at the drain filter clean and dry If the filter elements are dirty or wet proper gas detection is not possible The recommended sensor replacement cycle is one year After the one year perio...

Page 6: ...ck impact or vibration to the product by dropping or bumping Failure to do so may impair the performance of the product If condensation is present on the product remove it and make sure the unit is completely dry and checked for abnormalities before use This detector may detect gases or solvent vapors that are not target gases Keep the environment you are using the detector in into consideration D...

Page 7: ... brightness The backlight is lit while connected with an optional AC adaptor 2 BATT light Flashes when the battery level is low 3 Sensor unit Houses up to four gas sensors Combustible gas sensor employs a flameproof enclosure 4 Alarm light Flashes when a gas alarm activates 5 Gas outlet Discharges the sampled gas 6 Speaker Opening for audio 7 Gas inlet Connects a gas sampling tube ...

Page 8: ...e 15 PEAK button Activates deactivates the peak hold function BZ STOP button Mutes the alarm sound Down button Selects item or decreases the parameter value 16 MENU button For settings 17 LCD Displays gas concentrations parameter values and status messages icons When the AC adapter is connected the plug icon is displayed a Battery level Full Empty Flashing Flashing When the AC adaptor is connected...

Page 9: ... sampling tube 8m Item Component Description Function 1 Gas sampling tube 8m Conveys gas to the gas detector 2 Coupler 2 places Connects to the gas detector and sampling float 3 Sampling float Assembly consists of items 4 5 and 6 4 Connection port Connects to the gas sampling tube 5 Drain filter 2 places Prevents water and dust from entering the gas detector and houses a filter element FE 2 6 Floa...

Page 10: ...arm is present Off indicates no gas alarm is present 4 Speaker Generates the following warning sounds In the event of a gas alarm 1 st stage gas alarm Chirping 2 nd stage gas alarm Rapid chirping louder siren In the event of a device error alarm Gas detector fault error detected 2 repeating beeps till fault error is cleared Communication error detected 2 repeating beeps for 5 minutes Replace batte...

Page 11: ...case and the drain filter affixed to the side of case The gas detector can be held horizontally by looping the shoulder strap over the neck and adjusting the strap Adjust the strap Optional alarm unit can also be stored in the storage case Gas sampling tube 8m can be stored in the storage case for transportation It is possible to carry the storage case by looping its strap through the carry case s...

Page 12: ...g tube s coupler onto sampling float s connection port until it clicks 2 Press the coupler at the other end of the gas sampling tube onto the detector s gas inlet until it clicks To remove the coupler from the detector s gas inlet or sampling float s connection port pull the sleeve up to unlock and release the coupler Press coupler onto connection port Press coupler onto gas inlet Sleeve Sleeve Sc...

Page 13: ...e detector using only the AC adaptor no batteries the battery full icon and plug icon are alternately displayed When the detector is turned off then the AC adaptor is disconnected the detector s internal clock will stop in about an hour Install batteries as required To prevent battery leakage batteries need to be replaced with new ones when their level is low even if an AC adaptor is connected Do ...

Page 14: ... minute and the gas concentrations screen will be displayed Always perform a routine check page 39 before use WARNING Zero adjustment zeroing starts automatically when the detector is turned on Make sure to turn on the detector while its probe nozzle or sampling float is in clean air to prevent incorrect zero adjustment Incorrect zero adjustment will cause inaccurate measurements to be displayed W...

Page 15: ...required page 36 NOTE Before turning off the detector ensure that all the readings become zero in clean air by placing its probe nozzle and sampling tube in clean air If the detector is exposed to a high humidity operate the detector for more than 5 minutes in clean air then turn off the detector CAUTION A significant change in work environment e g temperature or humidity change may cause a zero d...

Page 16: ... low and high alarm set values respectively c Gas type Trend graph a The highest concentration detected per minute peak value per minute is displayed The last 54 peak values are displayed in trend graph For oxygen the lowest concentrations are used as peak values c Gas type d Full scale value e Upper and lower horizontal lines represent high and low alarm set values respectively b Gas concentratio...

Page 17: ...alarm operation 1 st stage gas alarm 19 5 and 2 nd stage gas alarm 18 0 LCD Audio alarm Red alarm light 1 st stage alarm Standard AL1 flashes Chirping 3 flashing LEDs synchronize to the audio alarm Trend graph AL1 flashes Text AL1 and concentration value alternately flash 2 nd stage alarm Standard AL2 and the display alternately flash Rapid chirping louder siren Trend graph AL2 and the display alt...

Page 18: ...K button for more than 2 seconds Returns to the normal gas concentrations screen and the peak values will be cleared Automatic Backlight and Backlight Timeout Automatic backlight The LCD backlight is turned on off depending on ambient light Backlight timeout The LCD backlight will automatically turn off when it times out or in bright light Refer to page 30 for the backlight timeout setting procedu...

Page 19: ...the target gases Page 24 Clock setting Set the time and date Page 25 O2 mode setting Select the mode for oxygen gas alarm and peak hold Page 26 Span adjustment Incorrect span adjustment will make accurate gas detection impossible leading to a dangerous situation Span adjustment must be performed by an authorized safety manager only Request us for span adjustment N A Volume Mute Adjust the alarm vo...

Page 20: ...to select External AL volume Alarm sound will be produced only by the alarm unit Alarm test screen when alarm unit is connected 4 Press the or button to adjust the alarm volume 5 Press the button to end the alarm test The screen will return to the gas concentrations screen If the mute mode is active the unit will prompt Mute mode is active Exit Mute mode To continue the alarm test select Yes by pr...

Page 21: ...table Stop data logging page 21 Clear Delete log data page 22 Interval Set the interval between logs page 23 Logger screen To read logs a personal commuter page 1 and an XP302ML data logger kit optional are necessary All logs are CSV files which can be opened by spreadsheet software e g MS Excel NOTE WARNING Do not connect disconnect the USB cable to from the detector in a hazardous area When usin...

Page 22: ...s the date at the bottom left of the LCD Gas concentrations screen Start Value is instantly logged at every set interval Interval Logging interval To change the logging interval refer to page 23 Remaining Time left for data logging Data logging will automatically stop when timer reaches zero NOTE Refer to 4 Notifications Error Messages on Display page 34 if one of the following messages is display...

Page 23: ... screen by taking steps 1 and 2 on page 19 Logging now screen 2 Press the button The data logging in progress will stop and the message LOGGER STOPPED will be displayed Logger stopped screen 3 Press the MENU button to return to the gas concentrations screen ...

Page 24: ...ll be prompted Clear all logs Clear all logs screen 4 Press the button to clear all the logs After all logs have been cleared the message All logs cleared will be displayed All log cleared screen 5 Press the MENU button to return to the gas concentrations screen Before clearing Because the logs will be deleted save them in your personal computer by using XP302ML data logger kit as needed NOTE ...

Page 25: ...e interval parameters Remaining is the time left for logging time If the interval is set to 30 sec the remaining time is up to 150 hours and if set to 300 sec the remaining time is up to 1 500 hours Logging interval screen 4 Press the button to confirm the setting The screen will return to the gas concentrations screen Settable data logging interval increments 0 5 sec 1 sec to 10 sec every 1 sec 1...

Page 26: ...crease the parameter value by pressing the or button Holding the button will continuously increase decrease the parameter Alarm set values screen Settable range O2 18 25vol COMB 5 60 LEL H2S 1 5 30ppm CO 15 150ppm 6 Press the button to confirm the change and move the cursor to the next item 7 Press the MENU button to return to the gas concentrations screen WARNING Alarm set values are very importa...

Page 27: ...ting Press the button to confirm the selection Settings 1 2 screen 4 The CLOCK SETTING screen will be displayed Press the or button to select the parameter you want to change Press the button to confirm the selection The selected item is highlighted black Clock setting screen 5 Increase or decrease the parameter value by pressing the or button 6 Press the button to confirm the change Clock setting...

Page 28: ...eak hold High Low Peak 1 st stage gas alarm Low concentration alarm 2 nd stage gas alarm High concentration alarm Lowest value is maintained High Low Peak 1 st stage gas alarm Low concentration alarm 2 nd stage gas alarm High concentration alarm Highest value is maintained Low Low Peak 1 st stage gas alarm Low concentration alarm 2 nd stage gas alarm Low concentration alarm Lowest value is maintai...

Page 29: ... displayed Press the or button to select To page 2 2 Press the button to confirm the selection Settings 1 2 screen 4 The SETTINGS 2 2 screen will be displayed with Volume Mute highlighted selected Press the button to confirm the selection Settings 2 2 screen The volume level for the audio alarm must be changed by an authorized safety manager only After changing the volume setting perform an alarm ...

Page 30: ...e alarm unit s alarm volume during a gas alarm Op tone Operation tone Adjusts button operation volume and the audio signal when an error message is displayed Mute mode The speaker icon is underlined depending on which mode is active Internal AL External AL and Op tone The corresponding graph bar is in bold while selected 6 Press the or button to adjust the alarm volume or turn on off the mute mode...

Page 31: ...t To page 2 2 Press the button to confirm the selection Settings 1 2 screen 4 The SETTINGS 2 2 screen will be displayed Press the or button to select LCD contrast Press the button to confirm the selection Settings 2 2 screen 5 The LCD CONTRAST screen will be displayed Press the or button to adjust the LCD contrast Press the button to confirm the adjustment LCD contrast screen 6 Press the button fo...

Page 32: ...ess the or button to select Display Press the button to confirm the selection Settings 2 2 screen 5 The DISPLAY SETTING screen will be displayed Press the or button to select the item you want to change Press the button to confirm the selection Refer to page 16 for more information on the backlight timeout Display setting screen Display setting Item Description Japanese English Selects the languag...

Page 33: ...ttings it is necessary to deactivate the safety lock Activate the safety lock 1 Press the MENU button to access the MENU screen 2 Press the or button to select Settings Press the button to confirm the selection Menu screen 3 The SETTINGS 1 2 screen will be displayed Press the or button to select To page 2 2 Press the button to confirm the selection Settings 1 2 screen 4 The SETTINGS 2 2 screen wil...

Page 34: ...en to the gas concentrations screen with the lock remaining inactive unlocked Safety lock activated Locked 7 Press the MENU button to return to the gas concentrations screen Deactivate the safety lock 1 Press the MENU button to access the MENU screen 2 Press the or button to select Settings Press the button to confirm the selection Menu screen 3 The SETTINGS 1 2 screen will be displayed Press the ...

Page 35: ...er to the keyhole When the key reaches the keyhole press the button for confirmation Key reaches the keyhole 6 Press the or button to select Unlock Safety lock activated Locked Safety lock deactivated Unlocked 7 Press the button for confirmation The safety lock will deactivate and the lock icons will disappear Pressing the MENU button instead of the button returns the screen to the gas concentrati...

Page 36: ...ay Solution Zero Adj Fail Operate the detector in clean air for approx 10 minutes then press the ZERO button for 2 seconds for zero adjustment If the unit does not reset to normal power cycle the unit If normal operation does not resume contact us for repair E10 SENSOR ERROR E01 RTC ERROR RTC Clock IC fails Contact us for repair SENSOR ERROR Operate using remaining active sensors Pressing the ZERO...

Page 37: ...cap with a dry cloth When using the gas sampling tube 8m 1 Pull and remove the two floats from the drain filter 2 Rotate the filter case 2 places counterclockwise to separate it from the drain filter 3 Remove the O ring from each filter case by using a small screwdriver etc If water is present inside the case remove it with a dry cloth etc 4 Replace each filter element 2 places with a new one Reas...

Page 38: ...the bottom of the sensor unit 5 Place the sensor unit with the sensor cover red facing down Pull to separate the sensor case from the sensor cover An activated carbon filter is installed inside the CO sensor for the purpose of removing alcohol or interference gases like H2S Replace it with a new one as required NOTE WARNING Do not replace the activated carbon filter in a hazardous area Screws 4 pl...

Page 39: ...en the two screws alternately and evenly to secure the sensor case to the sensor cover 9 Insert the sensor unit in the gas detector Slowly and evenly tighten the four screws in X pattern in the order shown in the photo to the right 1 2 Engage 1 2 4 3 Activated carbon filter is fragile and easily crumbles Do not push or poke the filter into place e g with finger pen Doing so may cause deformation o...

Page 40: ...or 10 seconds When the battery is low replacement is recommended before they become empty As the battery level nears empty the Alarm Unit Battery empty message is displayed on the detector s LCD the alarm unit gives a steady tone for 5 minutes then the green operation light turns off along with the unit 1 Remove the protective case from the alarm unit 2 Loosen the screw on the back of the alarm un...

Page 41: ...roperly Page 18 Alarm Test Gas sampling tube Check the gas sampling tube for cracks bends or pin holes Check the gas sampling tube is firmly connected Drain filter and filter case when using 1m gas sampling tube Check that the filter element is clean and dry Replace the element with a new one if it is dirty or wet Check that water is not present inside the drain filter filter case and cap If water...

Page 42: ...epresentative to perform a gas inspection at least once every six months Contact New Cosmos or your New Cosmos representative to perform a periodic inspection at least once a year including sensor unit replacement Spare Parts Part Name Part No Model Description Filter element FE 2 Filter element for drain filter or sampling float x 10 pcs Activated carbon filter FE 114 Filter for CO sensor use wit...

Page 43: ...ayed Refer to error message table on page 34 and take action accordingly Alarm unit Problem Cause Steps Reference Connecting the alarm unit to the gas detector and pressing the gas detector s POWER button does not turn on the green operation light Battery orientation incorrect Remove the batteries and correctly reinstall them Battery Replacement Page 38 Battery depleted Replace the batteries Unit ...

Page 44: ...y incorrect use deliberate acts or negligence of the user 2 Failures and damages caused by disaster earthquake storm and flood lightning extreme climate abnormal power supply voltage excessive electromagnetic interferences or other acts of God 3 Failures and damages resulting from repair and or modification by non New Cosmos certified technicians 4 Consumables and failures and damages resulting fr...

Page 45: ...cy 1 service range excluded 30 LEL Within 5 LEL 31 100 LEL Within 25 of alarm set value Within 1 0vol Within 3ppm 50ppm Within 15ppm 51 150ppm Within 30 of alarm set value Response time 2 using 1m gas sampling tube 30 seconds 20 seconds 30 seconds 30 seconds Response time 2 using 8m gas sampling tube 40 seconds 40 seconds 40 seconds 40 seconds Gas alarm method Chirping alarm flashing red light and...

Page 46: ...without case Mass Approx 870g main body only without case 1 Under an identical measurement condition 2 Time taken to reach 90 of the gas concentration applied to the tip of gas sampling tube at 20 2ºC 3 The time varies according to the circumstances condition of use storage period battery manufacturer etc Alarm unit Optional Model AL 302M R 8 Alarm method Chirping alarm flashing green light operat...

Page 47: ...nput voltage Ui 10 V IS max input current Ii 12 mA IS max input power Pi 100 mW IS max Internal capacitance Ci Negligible value IS max Internal inductance Li Negligible value Ambient temperature 20 to 40ºC Alarm unit Optional Model AL 302M R 8 Type of protection Ex ib IIB T3 Intrinsically safe ib Degree of protection IP code IP20 Rating Electrical parameters Power source 3 0 VDC 0 2 A Panasonic al...

Page 48: ...re variations Electrochemical sensor Hydrogen sulfide Carbon monoxide This sensor consists of three electrodes and an electrolyte and the method adopted here is to produce electrolytic oxidation with a potentiostat circuit while keeping the working electrode at a constant potential against the reference electrode Measuring the current generated here allows determining the concentration of the gas ...

Page 49: ...tector is able to indicate which are usually outside the Detection Range and used only as reference Flameproof enclosure explosion proof enclosure Enclosure in which the parts which can ignite an explosive atmosphere are placed This enclosure can withstand the pressure created during an internal explosion of an explosive mixture and prevent the ignition of an explosive atmosphere outside the enclo...

Page 50: ...uch as to require special precautions for the construction installation and use of electrical apparatus LEL Concentrations of combustible gas given in terms of percent of the lower explosive limit vol Gas concentrations given in terms of percent of cubic volume ppm Gas concentrations given in terms of millionth part of cubic volume LEL or LFL Lower Explosive Limit or Lower Flammable Level Lowest c...

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Page 52: ... be purchased Contact New Cosmos or its authorized representative for ordering Authorized representative Manufacturer NEW COSMOS ELECTRIC CO LTD 2 5 4 Mitsuya naka Yodogawa ku Osaka 532 0036 Japan URL http www new cosmos co jp XP 302M RET 00 1807 100 ...

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