Riken Keiki GP-1000 Operating Manual
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Riken Keiki GP-1000 Operating Manual

Portable combustible gas detector
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PT0E-1204
Portable
Combustible Gas Detector
GP-1000
Operating Manual
(PT0-120)

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Summary of Contents for Riken Keiki GP-1000

  • Page 1 PT0E-1204 Portable Combustible Gas Detector GP-1000 Operating Manual (PT0-120)
  • Page 2 Safety information The Combustible Gas Monitor Model GP-1000 is a gas monitor designed to provide continuous monitoring of exposure to combustible gas in hazardous areas. The measuring range of GP-1000 is 0-100%LEL The gas sample is sucked in by built-in micro pump.

  • Page 3: Table Of Contents

    Procedures to store the gas detector or leave it for a long time ......53 7-2. Procedures to use the gas detector again ............... 53 7-3. Disposal of products ....................53 Troubleshooting ....................... 55 Product Specifications ..................... 57 GP-1000 - 2 -...

  • Page 4: Outline Of The Product

    Outline of the Product 1-1. Preface Thank you for choosing our portable combustible gas detector GP-1000 (hereinafter referred to as the gas detector). Please check that the model number of the product you purchased is included in the specifications on this manual.

  • Page 5: Important Notices On Safety

    It may lead to dangers because oxygen-deficient air or other gases may blow out.  High-concentration (100% LEL or higher) gases may be discharged from the gas exhausting outlet. Never use fire near the gas detector. GP-1000 - 4 -...

  • Page 6: Warning Cases

    Do not wash the gas detector in a washing machine or ultrasonic cleaner.  Do not block the . No alarm sound can be heard.  Do not remove the battery while the power is on. GP-1000 - 5 -...

  • Page 7: Precautions

    Since this is a safety unit, a regular maintenance must be performed to ensure safety. Continuing to use the detector without performing a maintenance will compromise the sensitivity of the sensor, thus resulting in inaccurate gas detection. GP-1000 - 6 -...
  • Page 8 In case the gas detector is used for detection in the presence of silicone, etc., be sure to check the gas sensitivities before using it again. GP-1000 - 7 -...

  • Page 9: Product Components

    3-1. Main unit and standard accessories Product Components 3-1. Main unit and standard accessories After opening 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...

  • Page 10: Names And Functions For Each Part

    Gas inlet Connect a gas sampling hose to this port. Gas outlet Exhausts the gas drawn into the gas detector. (Do not block it.) (10) Lock plate Retains the battery cover. (11) Battery cover Protects the battery. GP-1000 - 9 -...
  • Page 11 ( NOTE Range mode display icons : Fixed to the low range (0-10.0% LEL) : Fixed to the high range (0-100% LEL) Auto : Automatic switch from the low range to high range GP-1000 - 10 -...
  • Page 12 Placed in a detection area to collect a gas. Gas sampling probe The probe includes a dust filter. Gas sampling hose A resin hose through which the sampled gas passes. Hose clamp coupler A joint that connects with the main unit. GP-1000 - 11 -...

  • Page 13: How To Use

    If the battery cover is not completely locked, the dry batteries may drop off or water may get in through the clearance. Water may also get in if a minute foreign substance is caught beneath the battery unit. GP-1000 - 12 -...
  • Page 14 * Tighten it by hand The middle section The tip section Remove the contaminated dust filter from Remove the tip section of the gas the middle section (filter case) and then sampling probe. put a new filter. GP-1000 - 13 -...
  • Page 15 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 GP-1000 - 14 -...

  • Page 16: How To Start The Gas Detector

    (Buzzer sound: Once <blip>) ↓ Date/time display Display example: June 01, 2014 8:30 ↓ *Alarm type Battery voltage display AL-H (Alarm-Hold Alarm type display <Self-latching>) Display example: AL-A (Alarm-Auto 6.0V <Auto-reset>) AL-H (<Self-latching>) ↓ Gas display Display example: GP-1000 - 15 -...
  • Page 17 100%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. GP-1000 - 16 -...
  • Page 18 RESET button after removing the cause of low flow rate. For other fault alarms, turn off 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.
  • Page 19  If there is a sudden temperature change of 15℃ or more between the storage and operation locations, turn on the power of the gas detector, leave it for about ten minutes in a similar environment to the operation location, and perform air calibration in fresh air before using it. GP-1000 - 18 -...

  • Page 20: How To Detect

    If a low battery alarm occurs, gas detection cannot be conducted. If the alarm is triggered during use, turn off the power and promptly replace the batteries in a non-hazardous area.  Do not block the buzzer sound opening. No alarm sound can be heard. GP-1000 - 19 -...
  • Page 21 NOTE  Use only a gas sampling hose specified by RIKEN KEIKI.  Use the gas detector with the gas sampling probe connected so that no foreign substance is drawn into  An oxygen concentration higher than a certain level is required for the sensor of the gas detector to correctly detect gases and display concentrations.
  • Page 22 * Press the DISPLAY button appropriate timing. The time to cancel the operation. and concentration display at the time the button is pressed are recorded. ↓ [ENTER] After "END" is displayed, the gas detector returns to the detection mode. ↓ GP-1000 - 21 -...

  • Page 23: Modes

    Changes (in small measure) the pump volume setting suction volume. * L: Low (suction volume <low>) H: High (suction volume <high>) Log data The data recorded by the snap logger display can be viewed. Entering user Enters the user mode. mode GP-1000 - 22 -...
  • Page 24 Set the date/time of the internal clock. setting ROM/SUM Displays the program number and SUM display value of the gas detector. * This is not typically used by the user. Entering Enters the detection mode. detection mode GP-1000 - 23 -...
  • Page 25 Bump test Sets the bump test conditions. condition setting Password Sets a password used to protect the entry to setting the calibration mode. Entering Enters the detection mode. detection mode GP-1000 - 24 -...
  • Page 26  The gas detector returns to the detection mode from the display mode after 20 seconds or so of no operation.  The backlight goes off after 30 seconds or so of no operation.  Gas detection is continued in the display mode and an alarm can be activated. GP-1000 - 25 -...

  • Page 27: Display Mode

    The pump suction volume can be set to L: Low or H: High. [DISPLAY] Go to "4-6-5. Log data Log data display display". The data recorded by the snap logger can be viewed. [DISPLAY] Detection mode GP-1000 - 26 -...

  • Page 28: Concentration Displayed Gas Reading Setting

    ↓ CAUTION  To perform the concentration displayed gas reading setting, see the "GP-1000 Gas List" in the following page.  Some gases cannot to read with an optional spiral hose. Use an appropriate hose. GP-1000...
  • Page 29 Therefore, request RIKEN KEIKI for calibration using the gas to be measured.  See the following table "GP-1000 Gas List" for a list of gases available for reading.  The gas detector provides two different specifications for target combustible gases: "general combustible gases (HC)"...

  • Page 30: Alarm Setpoint Display

    [▲] [▼] * 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] GP-1000 - 29 -...

  • Page 31: Pump Suction Volume Setting

    [ENTER] After "END" is displayed, the gas detector returns to the display mode menu. ↓ NOTE  When the gas detector is restarted, the pump suction volume is set to L (suction volume <low>). GP-1000 - 30 -...

  • Page 32: Log Data Display

    (3) The contents of the selected * To continue the log log are displayed. data display, press the (4) Press the DISPLAY button to ENTER button and end and return to the display repeat the steps from mode menu. (2). [DISPLAY] GP-1000 - 31 -...

  • Page 33: User Mode

    ROM/SUM display the user. The program number and SUM value of the gas detector are displayed. [▲] [▼] Entering detection mode (2) To end, press the ENTER button to end and return to the detection mode. [ENTER] GP-1000 - 32 -...
  • Page 34 15 minutes or so of no operation.  Neither gas detection nor alarm activation occurs in the user mode. NOTE  The backlight goes off after 30 seconds or so of no operation. GP-1000 - 33 -...

  • Page 35: Peak Bar Display Setting

    (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. ↓ GP-1000 - 34 -...

  • Page 36: Date/Time Setting

    -> minute in this order. adjust the date/time and When the "minute" value is press the ENTER button to confirmed, "END" is displayed confirm the setting. and then the gas detector returns to the user mode menu. [▲][▼] [ENTER] ↓ GP-1000 - 35 -...

  • Page 37: Calibration Mode

    Bump test condition setting condition setting". Various conditions for conducting a bump test can be set. [▲] [▼] Go to "4-8-7. Password Password setting setting". A password can be used to protect the entry to the calibration mode. GP-1000 - 36 -...
  • Page 38 15 minutes or so of no operation.  Neither gas detection nor alarm activation occurs in the calibration mode. NOTE  The backlight goes off after 30 seconds or so of no operation. GP-1000 - 37 -...

  • Page 39: Bump Test

    When the ← count reaches zero, calibration is performed. ↓ * The diagnosis result is displayed. * P : PASS F : Failure (3) Press the ENTER button to return to the calibration mode menu. [ENTER] GP-1000 - 38 -...

  • Page 40: Air Calibration

    After zero adjustment, "END" is * If air calibration fails, "FAIL" is displayed and then the gas displayed. Press the RESET detector returns to the calibration button to reset the alarm. mode menu. (Buzzer sound: Once <blip>) GP-1000 - 39 -...

  • Page 41: Auto Cal

    RESET button to reset the alarm. ↓ After span adjustment, the gas detector returns to the gas concentration display. ↓ After "END" is displayed, the gas detector returns to the calibration mode menu. (Buzzer sound: Once <blip>) GP-1000 - 40 -...
  • Page 42 4 How to Use 4-8. Calibration mode ↓ (5) Stop supplying the calibration gas. GP-1000 - 41 -...

  • Page 43: One Cal

    * If span calibration fails, is displayed and then the gas "FAIL" is displayed. Press detector returns to the the RESET button to reset calibration mode menu. the alarm. (Buzzer sound: Once <blip>) ↓ (4) Stop supplying the calibration gas. GP-1000 - 42 -...

  • Page 44: Bump Test Condition Setting

    Use the ▲ or ▼ button to select a value and press the ENTER button to confirm it. [▲] [▼] (6) Press the ENTER button while "ESCAPE" is displayed to return to the calibration mode menu. [ENTER] GP-1000 - 43 -...

  • Page 45: Password Setting

    Set one value and press the ENTER digit at a time. button to confirm it. [▲][▼][ENTER] After "END" is displayed, the gas detector returns to the calibration mode menu. (Buzzer sound: Once <blip>) ↓ GP-1000 - 44 -...

  • Page 46: Power-Off

    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. GP-1000 - 45 -...

  • Page 47: Operations And Functions

    The two-step alarm is used and each of them is triggered when the respective alarm setpoint is reached or exceeded. Gas concentration display The gas concentration display and the alarm type display blink. In case of exceeding the detection range, "∩∩∩" (over scale) is displayed on the LCD. Display example GP-1000 - 46 -...
  • Page 48 100% LEL. Press the RESET button to reset the alarm. If the gas concentration is lower than the full scale at the reset, the gas concentration display appears again. If it is over the full scale, an OVER alarm occurs again. GP-1000 - 47 -...

  • Page 49: Fault Alarm Activation

    Of the fault alarms, only the low flow rate alarm "FAIL - LOW FLOW" and "FAIL - CLOCK" can be reset by pressing the RESET button. For other fault alarms, turn off the power and then promptly contact RIKEN KEIKI. ...

  • Page 50: Maintenance

    The sensor life has expired if, for example, the sensors cannot be calibrated in span adjustment, the readings do not come back after fresh air adjustment, or the readings fluctuate. Request RIKEN KEIKI for repair. Note that the warranty period is one year.

  • Page 51: How To Clean

    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. GP-1000 - 50 -...

  • Page 52: Replacement Of Consumables

    * The operation must be checked after replacement by a qualified service engineer. For the stable operation of the gas detector and safety, ask a qualified service engineer to take care of replacement of the parts whose operation must be checked. Request RIKEN KEIKI for operation check. NOTE The above replacement intervals are recommendation only.

  • Page 53: Air Calibration

    See "4-8-4. AUTO CAL" or "4-8-5. ONE CAL" for the procedure. CAUTION Do not use a lighter gas to check the sensitivity of the gas detector. A constituent of the lighter gas may deteriorate the sensor performances. GP-1000 - 52 -...

  • Page 54: Storage And Disposal

    CAUTION When using a stopped or stored gas detector again, never fail to perform a gas calibration. Contact RIKEN KEIKI for readjustment including gas calibration. 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.
  • Page 55 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 that the batteries need to be separated from the ordinary waste and disposed of appropriately. GP-1000 - 54 -...

  • Page 56: Troubleshooting

    Surrounding air was not failure (inaccurate fresh air and then perform zero adjustment again. fresh at zero adjustment. adjustment) Sensor Request RIKEN KEIKI to replace the sensor. abnormalities A sensor has failed. FAIL - SENSOR Low flow rate alarm The flow rate has After eliminating the cause for clogging, bending, etc.,...
  • Page 57 <Abnormalities of Readings> Symptoms Causes Actions The reading rises Drifting of sensor output Perform zero adjustment. and it remains so. A high-concentration Supply fresh air and leave the unit for a while. combustible gas has been drawn. GP-1000 - 56 -...

  • Page 58: Product Specifications

    9 Product Specifications Product Specifications <List of Specifications> <Overseas Specifications> Model GP-1000 Gas to be detected Combustible gas (CH4, HC, etc. See the separate list for target gases) Detection principle New ceramic catalytic type Measurement 0-100%LEL range Self-latching, two-step alarm...
  • Page 59 : Hand strap accessories Sampling : Gas sampling hose (1 m) and sampling probe Optional 30 m hose, dedicated leather case, diluter, spiral hose accessories Data logger management program * Specifications subject to changes without notice. GP-1000 - 58 -...

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