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Riken Keiki GP-1000 Operating Manual Download Page 35

4 How to Use

 

4-7. User mode 

 

GP-1000

 

- 34 - 

 

4-7-2. Peak bar display setting 

 
A peak of the detected gas concentration can be displayed on the bar. 
* This is disabled <oFF> by default. 
 

  

LCD 

Display 

 

 

Peak bar display setting 

(1) Press the ENTER button to 

enter the peak bar display 
setting. 

 

 

 

 

 [ENTER] 

 

 

 

 

 

 

[

▲

]

  [

▼

] 

 

(2) Press the 

▲

 or 

▼

 button to 

select <on>/<oFF> for the 
peak bar display and then 
press the ENTER button to 
confirm the selection. 

 
 
 
 
 

 

 

 

 [ENTER] 

 

After "END" is displayed, the gas 
detector returns to the user mode 
menu. 

 

 

 

 

↓

 

 

 

 

 

 
 
 

 

Summary of Contents for GP-1000

Page 1: ...PT0E 1204 Portable Combustible Gas Detector GP 1000 Operating Manual PT0 120 ...

Page 2: ...pe LR6 by TOSHIBA Certificate numbers IECEx Certificate number IECEx DEK 13 0090 ATEX Certificate number DEKRA 13 ATEX 0227 List of standards IEC 60079 0 2011 EN60079 0 2012 A11 2013 IEC 60079 11 2011 EN60079 11 2012 IEC 60079 26 2006 EN60079 26 2007 WARNING Do not replace dry batteries in hazardous location Do not attempt to disassemble or alter the instrument Use only alkaline AA batteries type ...

Page 3: ...n volume setting 30 4 6 5 Log data display 31 4 7 User mode 32 4 7 1 Entering user mode 32 4 7 2 Peak bar display setting 34 4 7 3 Date time setting 35 4 8 Calibration mode 36 4 8 1 Entering calibration mode 36 4 8 2 Bump test 38 4 8 3 Air calibration 39 4 8 4 AUTO CAL 40 4 8 5 ONE CAL 42 4 8 6 Bump test condition setting 43 4 8 7 Password setting 44 4 9 Power off 45 5 Operations and Functions 46 ...

Page 4: ...nowledge and experience before using the gas detector 1 2 Purpose of use This product is used to detect combustible gases LEL in the air It provides two different specifications for target combustible gases general combustible gases HC used in ordinary factories oil tankers etc and methane CH4 such as city gas and natural gas Detection results are not intended to guarantee life or safety in any wa...

Page 5: ... static work shoes 2 For indoor use use the gas detector while standing on a conductive work floor with a leakage resistance of 10 MΩ or less The specifications of the gas detector are as follows 6 0 VDC Toshiba LR6 Ambient temperature 20 to 50ºC About use While conducting measurement in a manhole or confined space do not lean over or look into the manhole or closed space It may lead to dangers be...

Page 6: ...sphere for freshness before beginning the air calibration If other gases exist the adjustment cannot be performed properly thus leading to dangers when the gas leaks Response to gas alarm Issuance of a gas alarm indicates that there are extreme dangers Take proper actions based on your judgment Battery level check Before use check that there remains sufficient battery power When the gas detector i...

Page 7: ...C Do not use the gas detector at higher temperatures humidities and pressures or at lower temperatures than the operating range Avoid long term use of the gas detector in a place where it is exposed to direct sunlight Do not store the gas detector in a sun heated car Observe the operating restrictions to prevent condensation inside the gas detector or gas sampling hose Condensation formed inside t...

Page 8: ...el on the infrared port Infrared communications can no longer be conducted The operating environment may include gases that have harmful effects on the sensor of the gas detector The gas detector cannot be used in the presence of the following gases 1 Sulfides such as H2S and SO2 continuously existing in high concentrations 2 Halogen gases such as chloride compounds and chlorofluorocarbons 3 Silic...

Page 9: ...pening the package check the main unit and accessories If anything in the following list is not included contact RIKEN KEIKI Main Unit Standard Accessories Name Appearance Quantity Name Appearance Quantity AA Alkaline dry battery 4 pcs installed Hand strap 1 Gas sampling probe and gas sampling hose 1 Operating manual 1 Product warranty 1 ...

Page 10: ...adjustment 5 ALARM reset button When an alarm occurs press this switch to reset the alarm 6 Display switching button Press this switch to change between display modes 7 Power set button Turns the power ON OFF 8 Gas inlet Connect a gas sampling hose to this port 9 Gas outlet Exhausts the gas drawn into the gas detector Do not block it 10 Lock plate Retains the battery cover 11 Battery cover Protect...

Page 11: ...n and unit 7 Full scale and bar display Displays the level of gas concentration with the bar meter as well as the full scale value 8 Clock display Displays the current time NOTE The meanings of battery level icons are as follows Sufficient Low Needs replacement If the battery level is lower than the above the inside of the battery icon starts to blink NOTE Range mode display icons Lo Fixed to the ...

Page 12: ...ng hose No Name Function 1 Gas sampling probe Placed in a detection area to collect a gas The probe includes a dust filter 2 Gas sampling hose A resin hose through which the sampled gas passes 3 Hose clamp coupler A joint that connects with the main unit 3 Hose clamp coupler 1 Gas sampling probe 2 Gas sampling hose ...

Page 13: ...cted securely Installing and Replacing Batteries When the gas detector is used for the first time or when the battery level is low attach new AA alkaline batteries according to the following procedures CAUTION Turn off the power of the gas detector before replacing the batteries Replace the batteries in a non hazardous area Replace all of the four batteries with new ones at one time Pay attention ...

Page 14: ...aminated replace it following the procedure below 1 Hold the middle section filter case of the gas sampling probe and remove the tip section by turning it counterclockwise 2 Remove the contaminated dust filter from the middle section filter case and then put a new filter There are no differences between the front and back sides of the dust filter 3 Connect the tip section by turning it clockwise T...

Page 15: ...mbly Connect the gas sampling probe to the main unit as shown in the following figure Insert the hose clamp coupler into the gas inlet of the main unit while pulling the release ring and then release the release ring Release ring hose clamp coupler Main unit ...

Page 16: ...display changes automatically as shown below and the gas detector enters the detection mode Press and hold the POWER button for one second or longer LCD Display All LCDs Light Up Buzzer sound Once blip Date time display Display example June 01 2014 8 30 Battery voltage display Alarm type display Display example 6 0V AL H Self latching Alarm type AL H Alarm Hold Self latching AL A Alarm Auto Auto r...

Page 17: ...P 1000 16 Full scale display Display example 100 LEL WARNING setpoint display Display example 10 LEL ALARM setpoint display Display example 50 LEL Detection mode Buzzer sound Twice blip blip NOTE The range mode used at the last power off is retained ...

Page 18: ...ff the power and then promptly contact RIKEN KEIKI for repair The backlight goes off after 20 seconds or so of no operation It lights up continuously while an alarm is activated Snap Logger Mode Detection Mode LCD Display Display Mode Gas Alarm Fault Alarm Air Calibration Mode Operate AIR button Operate RESET button Operate DISPLAY button For fault alarms other than FAIL LOW FLOW and Fail CLOCK tu...

Page 19: ...ne and the gas detector returns to detection mode Buzzer sound Once blip If air calibration fails FAIL AIR CAL is displayed Press the RESET button to reset the alarm The gas detector returns to the detection mode before adjustment NOTE Perform air calibration under pressure and temperature humidity conditions close to those in the operating environment and in fresh air Perform air calibration afte...

Page 20: ...plied to the gas inlet and outlet GAS IN GAS OUT of the gas detector detected gases may leak out from its inside and may cause dangerous conditions Be sure that excessive pressure is not applied to the gas detector while used Do not connect the sampling hose directly to a location with a pressure higher than the atmospheric pressure The internal piping system may be damaged When the fresh air adju...

Page 21: ... sensor In a low temperature environment the operating time is shortened due to the battery performance property At a low temperature the response of the LCD display may get slow down If a combustible gas with a higher concentration than 100 LEL is drawn some gas may remain in the gas sampling hose due to adsorption in the hose gas sampling probe etc After drawing a high concentration combustible ...

Page 22: ...the oldest data LCD Display Snap logger 1 Press the and buttons to enter the snap logger mode The data number time and concentration display are displayed for recording No value is recorded at this point yet 2 Press the ENTER button at an appropriate timing The time and concentration display at the time the button is pressed are recorded Press the DISPLAY button to cancel the operation ENTER After...

Page 23: ... be cleared Concentration displayed gas reading setting By changing the setting to the pre registered gas in the gas detector the converted concentration read from the detection target gas HC or CH4 will be displayed Alarm setpoint display Displays the alarm setpoint of the gas detector Press the ENTER button while the alarm setpoint is displayed to perform alarm test for the setting Pump suction ...

Page 24: ...raph for the maximum concentration detected during the period from power on to the point of checking on the bar graph Date time setting Set the date time of the internal clock ROM SUM display Displays the program number and SUM value of the gas detector This is not typically used by the user Entering detection mode Enters the detection mode ...

Page 25: ...pan adjustment that adjusts automatically to the preset concentration of prepared span gas One calibration Performs the span adjustment that adjusts manually to the concentration of prepared span gas Bump test condition setting Sets the bump test conditions Password setting Sets a password used to protect the entry to the calibration mode Entering detection mode Enters the detection mode ...

Page 26: ...30 seconds or so of no operation Gas detection is continued in the display mode and an alarm can be activated CAUTION Return to the detection mode after use The gas detector automatically returns to the detection mode from the user or calibration mode after 15 minutes or so of no operation Neither gas detection nor alarm activation occurs in the user mode and calibration mode ...

Page 27: ... and hold the RESET button until CLEAR RELEASE is displayed The peak display can be cleared DISPLAY Concentration displayed gas reading setting A pre registered gas can be read instead to display its concentration Go to 4 6 2 Concentration displayed gas reading setting DISPLAY Alarm setpoint display The alarm setpoint display and alarm activation can be tested Go to 4 6 3 Alarm setpoint display DI...

Page 28: ...tration displayed gas reading setting 1 Press the ENTER button to enter the gas reading setting ENTER 2 Press the or button to select a gas of reading target 3 Press the ENTER button to confirm the selection Press the DISPLAY button to cancel the operation ENTER After END is displayed the gas detector returns to the display mode menu CAUTION To perform the concentration displayed gas reading setti...

Page 29: ...fications for target combustible gases general combustible gases HC and methane CH4 Some gases cannot be read depending on the specification See the following table GP 1000 Gas List GP 1000 Gas List List of gases to be read Gas name display Read from CH4 specification Read from i C4H10 specification Standard hose Spiral hose optional part Methane CH4 Isobutane i C4H10 Hydrogen H2 Methanol CH3OH Ac...

Page 30: ...s the ENTER button to enter the alarm setpoint display Press the DISPLAY button to cancel the operation ENTER 2 Press the or button to select an alarm setpoint to display F S WARNING and ALARM can be checked Press the ENTER button to test the selected alarm activation Press any button to reset the alarm 3 Press the DISPLAY button to return to the display mode menu DISPLAY ...

Page 31: ...to enter the pump suction volume setting Press the DISPLAY button to cancel the operation ENTER 2 Press the or button to select the desired pump suction volume L Low suction volume low H High suction volume high 3 Press the ENTER button to confirm the selection ENTER After END is displayed the gas detector returns to the display mode menu NOTE When the gas detector is restarted the pump suction vo...

Page 32: ... display Press the DISPLAY button to cancel the operation ENTER 2 Press the or button to select the log memory number and then press the ENTER button to confirm the selection ENTER 3 The contents of the selected log are displayed 4 Press the DISPLAY button to end and return to the display mode menu To continue the log data display press the ENTER button and repeat the steps from 2 DISPLAY ...

Page 33: ...TER button to perform the setting ENTER Peak bar display setting A peak of the detected gas concentration can be displayed on the bar Go to 4 7 2 Peak bar display setting Date time setting Set the date time of the internal clock Go to 4 7 3 Date time setting ROM SUM display The program number and SUM value of the gas detector are displayed This is not typically used by the user Entering detection ...

Page 34: ...ter 30 seconds or so of no operation CAUTION Return to the detection mode after use The gas detector returns to the detection mode from the user or calibration mode after 15 minutes or so of no operation Neither gas detection nor alarm activation occurs in the user mode ...

Page 35: ...ar This is disabled oFF by default LCD Display Peak bar display setting 1 Press the ENTER button to enter the peak bar display setting ENTER 2 Press the or button to select on oFF for the peak bar display and then press the ENTER button to confirm the selection ENTER After END is displayed the gas detector returns to the user mode menu ...

Page 36: ...e setting 1 Press the ENTER button to enter the date time setting ENTER 2 Set year month day hour minute in this order When the minute value is confirmed END is displayed and then the gas detector returns to the user mode menu Use the or button to adjust the date time and press the ENTER button to confirm the setting ENTER ...

Page 37: ...Bump test Air calibration Air calibration can be performed Go to 4 8 3 Air calibration Auto calibration This is how to preset the concentration value of the prepared calibration gas to the gas detector and perform calibration in a single step Go to 4 8 4 AUTO CAL One calibration This is how to perform calibration with manually set to the concentration value of the prepared calibration gas Go to 4 ...

Page 38: ...ion mode Detection mode NOTE The backlight goes off after 30 seconds or so of no operation CAUTION Return to the detection mode after use The gas detector returns to the detection mode from the user or calibration mode after 15 minutes or so of no operation Neither gas detection nor alarm activation occurs in the calibration mode ...

Page 39: ...NTER button to enter the bump test ENTER 2 Supply test gas and press the ENTER button ENTER BUMP and APPLY are displayed alternately and the countdown is started When the count reaches zero diagnosis is performed When CAL is set to ON CAL and APPLY are displayed alternately next and the countdown is started When the count reaches zero calibration is performed The diagnosis result is displayed 3 Pr...

Page 40: ...nd hold the AIR button and then release it when the display changes from AirCL HOLD AIR to AdJ RELEASE Buzzer Three times blip blip blip AIR AIR After zero adjustment END is displayed and then the gas detector returns to the calibration mode menu Buzzer sound Once blip If air calibration fails FAIL is displayed Press the RESET button to reset the alarm ...

Page 41: ...dy to proceed The value of AUTO CAL can be changed by using the and DISPLAY buttons ENTER AUTO CAL blinks and the system waits for the calibration gas to be introduced 3 Start supplying the calibration gas 4 Press the ENTER button after a minute ENTER If span calibration fails FAIL is displayed Press the RESET button to reset the alarm After span adjustment the gas detector returns to the gas conc...

Page 42: ...4 How to Use 4 8 Calibration mode 41 GP 1000 5 Stop supplying the calibration gas ...

Page 43: ...blinks and the system waits for the calibration gas to be introduced 2 Start supplying the calibration gas 3 After a minute adjust the value using the or button and press the ENTER button ENTER After span adjustment END is displayed and then the gas detector returns to the calibration mode menu Buzzer sound Once blip If span calibration fails FAIL is displayed Press the RESET button to reset the a...

Page 44: ...R button to confirm it 3 Set a threshold for checking a test gas Set range 10 20 30 40 50 Use the or button to select a value and press the ENTER button to confirm it 4 Set the calibration time Span calibration is performed automatically when the set time has passed Set range 60 90 120 seconds Use the or button to select a value and press the ENTER button to confirm it 5 Set whether or not to perf...

Page 45: ...F The state of on or oFF for the current password protection setting is displayed 3 Press the ENTER button When oFF is confirmed the gas detector returns to the calibration mode menu ENTER 4 When on is selected use the or button to select a value and press the ENTER button to confirm it The password is a four digit number Set one digit at a time ENTER After END is displayed the gas detector return...

Page 46: ...n at least three seconds until the buzzer blips four times TURN OFF disappears to turn off the power CAUTION Do not turn off the power while the gas concentration display indicates a high value A high concentration gas that remains in the gas detector may adversely affect the sensor ...

Page 47: ...cond intervals Repeatedly blinks at about 0 5 second intervals Repeatedly blinks at about 0 5 second intervals Buzzer Repeatedly sounds strong and weak beeps at about 1 second intervals Repeatedly sounds strong and weak beeps at about 0 5 second intervals Repeatedly sounds strong and weak beeps at about 0 5 second intervals LCD display Gas concentration and WARNING display blink Gas concentration ...

Page 48: ...value the operations of buzzer lamp and vibration continue self latching until any button is pressed the alarm is reset If the concentration exceeds 100 LEL and OVER alarm is triggered the OVER display is latched even if the detected gas concentration returns to below 100 LEL Press the RESET button to reset the alarm If the gas concentration is lower than the full scale at the reset the gas concen...

Page 49: ...nd clock abnormalities Display Operation Alarm type System abnormalities sensor abnormalities calibration abnormalities low battery voltage low flow rate and clock abnormalities Alarm lamp Blinks at about 1 second intervals Buzzer Sounds intermittently at about 1 second intervals LCD display Displays an error message NOTE Of the fault alarms only the low flow rate alarm FAIL LOW FLOW and FAIL CLOC...

Page 50: ...ndication Concentration display Make the gas detector draw in fresh air and check that the concentration display value is zero When the value is other than zero perform zero calibration after ensuring that no other gases exist around the gas detector Span adjustment Perform the span adjustment by using the calibration gas Gas alarm check Check the gas alarm by using the calibration gas NOTE Perfor...

Page 51: ...urned off while cleaning it Use a waste cloth to remove dust Do not use water or organic solvent for cleaning because they may cause malfunctions CAUTION When cleaning the gas detector do not splash water over it or use organic solvents such as alcohol and benzene on it It may cause discoloration or damage to the surface or sensor failure ...

Page 52: ...are of replacement of the parts whose operation must be checked Request RIKEN KEIKI for operation check NOTE The above replacement intervals are recommendation only The intervals may change depending on the operating conditions These intervals do not mean the warranty periods either The result of the regular maintenance may determine when to replace the parts Battery Replacement See 4 2 Preparatio...

Page 53: ...Gas sampling bag 2 Stopwatch 1 Depend on the type of gas detector 2 Optional parts Connection Connect the gas detector as shown in the figure below Connect a gas sampling bag at an appropriate timing Performing Span Calibration Perform span calibration in a single step using the concentration of the prepared calibration gas preliminarily set to the gas detector or perform it manually by adjusting ...

Page 54: ...n 7 3 Disposal of products When the gas detector is disposed of it must be treated properly as an industrial waste in accordance with the local regulations CAUTION If the gas detector is not used for a long time store it after removing the batteries Battery leaks may result in fire injury etc If the gas detector is not used for a long time turn on the power at least once every six months and check...

Page 55: ...paration for start up Installing and Replacing Batteries to take out the batteries Used batteries NOTE The gas detector contains batteries Crossed out recycle dustbin mark This symbol mark is indicated on the products which contain the batteries which fall under EU Battery Directive 2006 66 EC Such batteries need to be disposed of as specified by the latest Directive This symbol mark indicates tha...

Page 56: ... power to perform operations System abnormalities FAIL SYS A circuit abnormality occurred Record the display content FAIL SYS and then contact RIKEN KEIKI for repair Low battery voltage alarm FAIL BATTERY The battery level is low Turn off the power and then replace the batteries with new ones Zero adjustment failure inaccurate adjustment Surrounding air was not fresh at zero adjustment Press the R...

Page 57: ...normalities of Readings Symptoms Causes Actions The reading rises and it remains so Drifting of sensor output Perform zero adjustment A high concentration combustible gas has been drawn Supply fresh air and leave the unit for a while ...

Page 58: ... less Detection method Pump suction type with a flow rate of 0 3 L min or more pump L mode Display LCD seven segment numeric display bar meter display 50 divisions and status information display Seven segment digital display 0 100 LEL Digital bar meter display Auto range switching 0 10 LEL L range 0 100 LEL H range Power supply 4 AA alkaline dry batteries Continuous operating time 20 hours or more...

Page 59: ...to changes without notice Standard accessories Power supply 4 AA alkaline dry batteries Storage Hand strap Sampling Gas sampling hose 1 m and sampling probe Optional accessories 30 m hose dedicated leather case diluter spiral hose Data logger management program ...

Page 60: ......

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