Riken Keiki SC-8000 Operating Manual
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Riken Keiki SC-8000 Operating Manual

Portable toxic gas monitor
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Portable Toxic Gas Monitor
Request for the Customers
•
Read and understand this operating manual before using the gas monitor.
•
Use the gas monitor in accordance with the operating manual.
•
Regardless of warranty period, we shall not make any indemnification for accidents and
damage caused by using this product.
The indemnification shall be made only under the warranty policy of products or parts
replacement.
•
Because this is a safety unit, a regular maintenance for every six months and daily
maintenance must be performed.
•
If any abnormality was found in the gas monitor, notify them to RIKEN KEIKI immediately.
SC-8000
Operating Manual
(PT0-105)
PT0E-1050

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Summary of Contents for Riken Keiki SC-8000

  • Page 1 The indemnification shall be made only under the warranty policy of products or parts replacement. • Because this is a safety unit, a regular maintenance for every six months and daily maintenance must be performed. • If any abnormality was found in the gas monitor, notify them to RIKEN KEIKI immediately.

  • Page 2: Table Of Contents

    Procedures to use the gas monitor again ..............42 7-3. Disposal of products ....................42 Troubleshooting ....................... 43 Product Specifications ..................... 45 9-1. List of specifications ....................45 9-2. ist of accessories ..................... 47 Definition of Terms ....................48 SC-8000 - 1 -...

  • Page 3: Outline Of The Product

    Outline of the Product 1-1. Preface Thank you for choosing our portable toxic gas monitor SC-8000. Please check that the model number of the product you purchased is included in the specifications on this manual. This manual explains how to use the gas monitor and its specifications. It contains information required for using the gas monitor properly.

  • Page 4: Important Notices On Safety

    • Replace the battery unit in a non-hazardous area. • The main unit that can be connected is SC-8000 (certificate number TC20086) only. The use with unspecified main units deviates from the regulation of explosion-proof certification. • The specifications of the BUD-8000(S) are as follows: Pump circuit: Maximum voltage of 4.95 V, maximum current of 1.12 A, and...
  • Page 5 Make sure that the product model on the nameplate is correct. Inappropriate combinations of models deviate from the range of explosion-proof certification. The nameplate shows the followings as well as the product model. Product model: Main unit: SC-8000 Dry battery unit: BUD-8000 (S) Nameplate...

  • Page 6: Warning Cases

    Do not wash the gas monitor in a washing machine or ultrasonic cleaner. • Do not block the buzzer sound opening. No alarm sound can be heard. • Do not remove the battery unit while the power is ON. SC-8000 - 5 -...

  • Page 7: Precautions

    Operate the gas monitor using only the procedures described in this operating manual. • Do not drop or give shock to the gas monitor. The water-proof and explosion-proof properties and accuracy may be deteriorated. • Do not use the gas monitor while charging it. SC-8000 - 6 -...

  • Page 8: Safety Information

    <Overseas Specifications> Safety information The Portable Toxic Gas Monitor Model SC-8000 is a gas monitor designed to provide continuous exposure monitoring of toxic gas in hazardous environments. The gas sample is sucked in by build-in micro pump. The battery can be selected either Li-ion battery or alkaline dry battery.

  • 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> • Sampling probe: 1...
  • Page 10 • Replace the battery unit in a non-hazardous area. • The main unit that can be connected is SC-8000 (certificate number TC20086) only. The use with unspecified main units deviates from the range of explosion-proof certification. • The specifications of the BUD-8000(S) are as follows: Pump circuit: Maximum voltage of 4.95 V, maximum current of 1.12 A, and...

  • Page 11: Names And Functions For Each Part

    There are the following two combinations of battery units. The following information is printed on the battery unit for the sake of identification to prevent a mistake in SC-8000 Battery Unit For model SC-8000 only combinations. • Lithium ion battery unit : BUL-8000(S) (certification number TC20087) •...
  • Page 12 • Do not remove the panel sheet on the display. The water-proof and dust-proof performances will be deteriorated. • Do not affix a label on the infrared port. Infrared communications can no longer be conducted. SC-8000 - 11 -...
  • Page 13 The meanings of battery level icons are as follows: : Sufficient / : Low / : Needs charging If the battery level is lower than the above, the inside of the battery icon starts to blink ( SC-8000 - 12 -...

  • Page 14: How To Use

    • Check that there is no bend or hole in the sampling probe. • Check that the filter in the sampling probe is free of dust or clogging. • Check that the main unit and sampling probe are connected properly. SC-8000 - 13 -...
  • Page 15 (2) Paying attention to the polarities of batteries, replace all the three batteries with new ones. (3) Close the battery cover and tighten the battery cover fixing screw. (4) After replacing the batteries, place the gas monitor with the display facing upward. SC-8000 - 14 -...
  • Page 16 The temperature of the gas monitor is high immediately after charging is completed. Let it leave for 10 minutes or more before using it. Otherwise, correct measurements may not be obtained. • When fully charged batteries are charged again, the charging indicator lamp does not go on. SC-8000 - 15 -...
  • Page 17 • Please shorten time to turn off the gas monitor electricity in case of battery replace. (5) After attaching the battery unit, place the gas monitor with the display facing upward. SC-8000 - 16 -...
  • Page 18 Insert the sampling hose to the gas inlet (GAS IN) until it clicks into place to ensure connection. CAUTION   • Use only a sampling probe specified by Riken Keiki. • To avoid drawing foreign substances, always use the gas monitor with the sampling probe connected to it.

  • Page 19: Basic Operating Procedures

    Normally, the detection mode is used for normal operations. (The detection mode is activated after the power is turned on.) <<Detection Mode>> RESET AIR (long pressing) <<Gas Alarm Status>> (Self-latching <Reset after <<Air Calibration Mode>> Recovery to Normal Status>) DISPLAY <<Fault Alarm Status>> (Self-latching) <<Display and Setting Mode>> SC-8000 - 18 -...

  • Page 20: How To Start The Gas Monitor

    Alarm lamp lights up. All LCDs Light Up. Buzzer sounds once. (Beep) ↓ Date/Time Display ↓ Battery Voltage Display ↓ Gas Name and Full Scale Display ↓ First Alarm Setpoint Display ↓ Second Alarm Setpoint Display ↓ SC-8000 - 19 -...
  • Page 21 NOTE • A sensor abnormality alarm is issued before the detection mode is entered if there is any abnormality in the sensor. Promptly contact RIKEN KEIKI. Gases cannot be detected if there is any abnormality in the sensor. • If there is an abnormality in the built-in clock, a fault alarm FAIL CLOCK may be issued. Press the RESET button.

  • Page 22: How To Detect

    If a low battery alarm occurs, gas detection cannot be conducted. If the alarm occurs during use, turn off the power and promptly replace the batteries with new ones or charge them in a non-hazardous area. • Do not block the buzzer sound opening. No alarm sound can be heard. SC-8000 - 21 -...
  • Page 23 Then, perform gas calibration. Because, zero point and gas sensitivity may be changed. NOTE • 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. SC-8000 - 22 -...
  • Page 24 (2) Press the ENTER switch. The date and the instantaneous value at the time when the ENTER switch is pressed are recorded. (3) When END is displayed, the recording is completed. Returns to the detection mode. SC-8000 - 23 -...

  • Page 25: Modes

    Also used to change or set an ID. Log Data REC.DATA Display data recorded to the manual Display memory. Date/Time DATE Display the date and time. Display Buzzer BEEP SELECT Select either large or small for buzzer Volume volume. Selection SC-8000 - 24 -...

  • Page 26: Air Calibration Mode

    If there is a sudden temperature change of 15°C or more between the storage and operation locations, turn on the power of the gas monitor, let it leave for about 10 minutes in a similar environment to the operation location, and perform air calibration in fresh air before using it. SC-8000 - 25 -...
  • Page 27 If air calibration fails, "FAIL" - "AIR CAL" is displayed. Press the RESET button to reset the fault alarm (calibration failure). When the alarm is reset, the value before calibration is displayed. If sensor is faulty SC-8000 - 26 -...

  • Page 28: Display/Setting Mode

    Full Scale Display/Alarm Setpoint Full Scale Display/Alarm Display/Alarm Test ENTER Setpoint Display/Alarm Test ⇒ P30 Display the full scale and alarm setpoint values and check the alarm operations for the settings displayed. SC-8000 - 27 -...
  • Page 29 Display concentration data ENTER recorded to the manual memory. Date/Time Display Buzzer Volume Selection To Detection Mode NOTE The gas monitor automatically returns to the detection mode in about 20 seconds if the gas monitor is left unoperated. SC-8000 - 28 -...
  • Page 30 (5) Press the DISPLAY switch to exit the alarm setpoint display or alarm test. The display/setting mode menu is displayed again. (6) After completion, press the DISPLAY switch several times until it returns to the detection mode. SC-8000 - 29 -...
  • Page 31 On the gas monitor, either of the IDs from ST-ID000 to ST-ID255 has been registered, unless otherwise specified. • The data logger management program (option) is required to register or change an ID. Please contact RIKEN KEIKI. • When an ID is not selected (factory default), the following display appears without showing an ID.
  • Page 32 (5) If you want to display other log data, press the ENTER switch to return to the log data menu. Repeat the steps (3) to (5). (6) After completion, press the DISPLAY switch several times until it returns to the detection mode. SC-8000 - 31 -...

  • Page 33: How To Exit

    NOTE If the display is not zero when the power is turned off, a purge operation may be performed for 30 seconds at the maximum to clean the inside of the gas monitor. SC-8000 - 32 -...

  • Page 34: Operations And Functions

    Repeatedly blinks at about Repeatedly blinks at about one second intervals. 0.5 second intervals. 0.5 second intervals. LCD display Gas concentration and Gas concentration and Gas concentration and WARNING display blink. ALARM display blink. OVER display blink. SC-8000 - 33 -...
  • Page 35 1 second interval RESET 0.5 second interval Second alarm setpoint First alarm setpoint Time Alarm lamp, Buzzer WARNING   Issuance of a gas alarm indicates that there are extreme dangers. Take proper actions based on your judgment. SC-8000 - 34 -...

  • Page 36: Fault Alarm Activation

    5-3. Other functions <Calibration History/Various Trend/Event History Functions> The gas monitor has history and trend functions. To use these functions, contact RIKEN KEIKI. NOTE The data logger management program (option) is required to use the history and trend functions. Please contact RIKEN KEIKI.

  • Page 37: Maintenance

    Check the alarm lamp and buzzer for normal operation using the alarm test function. Span Perform the span adjustment by using the Adjustment calibration gas. Gas Alarm Check the gas alarm by using the Check calibration gas. SC-8000 - 36 -...

  • Page 38: Gas Calibration Method

    Perform span adjustment of sensors using a calibration gas at least once every six months. The span adjustment requires dedicated equipment and a calibration gas. Request RIKEN KEIKI for it. If you perform the span adjustment for yourself, prepare these tools in advance and perform the adjustment in accordance with the "Maintenance Manual."...

  • Page 39: How To Clean

    (2) While holding the gas monitor firmly, shake it about ten times with the buzzer sound opening facing downward. (3) Wipe away moisture coming out from the inside thoroughly using a towel, cloth, etc. (4) Place the gas monitor on a dry towel, cloth, etc. and let it stand at normal temperatures. SC-8000 - 38 -...

  • Page 40: Parts Replacement

    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. Contact RIKEN KEIKI. The warranty period is one year for all the sensors.
  • Page 41 The operation of most of the periodical replacement parts must be checked after replacement by a qualified service engineer. For the stable operation of the gas monitor and safety, ask a qualified service engineer to take care of replacement of the parts whose operation must be checked. Please contact RIKEN KEIKI. SC-8000 - 40 -...

  • Page 42: Storage And Disposal

    If the gas monitor is stored with the batteries fully charged, the batteries get deteriorated more quickly and may have shorter life. SC-8000 - 41 -...

  • Page 43: Procedures To Use The Gas Monitor Again

      When you use a stopped/stored gas monitor again, do not forget to perform a gas calibration. For information on readjustment including gas calibration, please contact RIKEN KEIKI. 7-3. Disposal of products When the gas monitor is disposed of, it must be treated properly as an industrial waste in accordance with the local regulations.

  • Page 44: Troubleshooting

    Error No.031 Abnormalities of internal FLASH Sensor A sensor has failed. Request RIKEN KEIKI to replace the sensor. abnormalities FAIL SENSOR A low battery The battery level is low. Lithium ion battery unit: Turn off the power and charge it voltage alarm is in a non-hazardous area.
  • Page 45 8 Troubleshooting  Symptoms Causes Actions The pump has Request RIKEN KEIKI to replace the pump. deteriorated. Fresh air Fresh air is not supplied Supply fresh air. adjustment cannot around the gas monitor. be performed. FAIL AIR CAL Clock Abnormalities of the Make a setting of Date/Time.

  • Page 46: Product Specifications

    Structure Dust and Water-proof Structure(IP67) Explosion-proof structure Intrinsically safe structure Explosion-proof grade ExiaⅡCT4(TIIS,Japan) Explosion-proof approval No. TC20086(TIIS,Japan) Outer dimension Approx.154(W)×81(H)×154(D)mm(projection excluding) Weight Approx.1.0kg(BUD-8000(S) when in use)/Approx.1.1kg(BUL-8000(S) when in use) * Specifications subject to changes without notice. SC-8000 - 45 -...
  • Page 47 Structure Dust and Water-proof Structure(IP67) Explosion-proof structure Intrinsically safe structure Explosion-proof grade ExiaⅡCT4(ATEX/IECEx<DEKRA>) Explosion-proof approval No. DEKRA11ATEX0047(DEKRA)/IECExDEK11.0019(IECEx) Outer dimension Approx.154(W)×81(H)×154(D)mm(projection excluding) Weight Approx.1.0kg(BUD-8000(S) when in use)/Approx.1.1kg(BUL-8000(S) when in use) * Specifications subject to changes without notice. SC-8000 - 46 -...

  • Page 48: Ist Of Accessories

    Optional • Sampling probe holder accessories • Activated carbon filter tube (with relay tube) • Filter tube (NOx removal) (with relay tube) • Filter tube fixing belt • Aluminum trunk case • Data logger management program SC-8000 - 47 -...

  • Page 49: Definition Of Terms

    10 Definition of Terms  Definition of Terms Gas concentration indicated in the unit of one-millionth of the volume SC-8000 - 48 -...

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