Riken Keiki GM-600 Operating Manual

Riken Keiki GM-600 Operating Manual

E.o. gas monitor

Advertisement

Quick Links

PT2E-2350
E.O. Gas Monitor
GM-600
Operating Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GM-600 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Riken Keiki GM-600

  • Page 1 PT2E-2350 E.O. Gas Monitor GM-600 Operating Manual...
  • Page 2: Table Of Contents

    Contents 1. Outline of the Product ............................. 3 Preface ................................3 Purpose of use ..............................3 Definition of DANGER, WARNING, CAUTION and NOTE ................4 Method of confirmation for CE marking type ....................4 2. Important Notices on Safety ........................... 5 2-1.
  • Page 3: Outline Of The Product

    Outline of the Product Preface Thank you for choosing our ethylene oxide (E.O.) gas monitor GM-600 (hereinafter referred to as "the monitor"). Please check that the model number of the product you purchased is included in the specifications on this manual.
  • Page 4: Definition Of Danger, Warning, Caution And Note

    1. Outline of the Product Definition of DANGER, WARNING, CAUTION and NOTE Definition of DANGER, WARNING, CAUTION and NOTE Throughout this manual, the following indications are used to ensure safe and effective work. This message indicates that improper handling may cause serious damage DANGER on life, health or assets.
  • Page 5: Important Notices On Safety

    To maintain the performance of the monitor and use it safely, observe the following instructions with WARNING and CAUTION. WARNING  If an abnormality is found in the monitor, contact RIKEN KEIKI immediately. Visit our Web site to find your nearest RIKEN KEIKI office. Web site: http://www.rikenkeiki.co.jp/...
  • Page 6: Warning Cases

    2. Important Notices on Safety 2-2. Warning cases 2-2. Warning cases WARNING  Before turning on the monitor, always check that the voltage is compliant with the specifications. Operating on an unstable power supply may cause malfunctions.  When the gas adjustment is performed, never fail to perform the air (zero) calibration in fresh air. ...
  • Page 7: Product Components

    3-1. Main unit and standard accessories After opening the carton box, check the monitor and accessories. If there is anything missing, contact RIKEN KEIKI. Main unit For names and functions of individual parts of the monitor and LCD display, see "3-2. Names and functions for each part"...
  • Page 8 3. Product Components 3-1. Main unit and standard accessories Standard accessories - Cross-recessed pan head - 3.2 m AC power cable (1 pc.) *Supplied only with AC machine screw (2 pcs.) specification - Cross-recessed round head - Operating manual (1 pc.) wood screw (2 pcs.) CAUTION ...
  • Page 9: Names And Functions For Each Part

    3. Product Components 3-2. Names and functions for each part 3-2. Names and functions for each part This section describes the names and functions of the individual parts and LCD display that make up the monitor. Main unit Name Major function Turns the power ON/OFF.
  • Page 10 3. Product Components 3-2. Names and functions for each part Display Name Major function Operating state display Displays the operating status. Blinks at a normal state. First alarm display Lights up in orange at a first alarm state. Second alarm display Lights up in red at a second alarm state.
  • Page 11: How To Install Gas Monitor

    4. How to Install Gas Monitor 4-1. Precautions for installation points How to Install Gas Monitor 4-1. Precautions for installation points When installing the monitor, never fail to observe the following precautions. Ignoring the precautions may damage the monitor, resulting in inaccurate gas detection. CAUTION ...
  • Page 12: Precautions For System Designing

    4. How to Install Gas Monitor 4-2. Precautions for system designing <Do not install the monitor in a place exposed to direct sunlight or sudden changes in the temperature.> Avoid a place where the monitor is exposed to direct sunlight or radiant heat (infrared rays emitted from a high-temperature object), and where the unit temperature changes suddenly.
  • Page 13 - It may be recommended that the surge absorbing part should be attached to the contact for certain load conditions. It must be attached to an appropriate position by checking how the load is activated. GM-600 Alarm contact Power...
  • Page 14: Installation Of Monitor

    4. How to Install Gas Monitor 4-3. Installation of monitor 4-3. Installation of monitor Install the main unit on the wall 50 to 180 cm up from the floor. If wall screws are available, remove the screw at the lower part of the main unit to open the cover and install the unit using the mounting holes on the back of the unit.
  • Page 15 4. How to Install Gas Monitor 4-3. Installation of monitor When the installation board(option) is used, fix the board before installing the main unit. Mounting hole (for M4 screw) <Installation of Remote Sensor> Install the remote sensor in a place where E.O. gas may leak and about 20 to 30 cm up from the floor. Mounting hole for 3-M3 Use one of the two for lower holes Sensor cover...
  • Page 16 4. How to Install Gas Monitor 4-3. Installation of monitor DANGER  Do not extend the remote sensor cable. If the cable is extended, the monitor may not be able to detect gas and may cause dangerous conditions. CAUTION  Do not install the remote sensor in a place where the environmental condition exceeds the operating temperature range (temperature: -10 to +40ºC, humidity: 20 to 85%Rh) or steam accumulates.
  • Page 17: Precautions For Wiring

    4. How to Install Gas Monitor 4-4. Precautions for wiring 4-4. Precautions for wiring If the monitor operates on AC or DC power, or inductive load is used at the alarm contact, wiring work is required. The following cables are recommended for wiring the monitor with the power supply, signal cable and contact.
  • Page 18 4. How to Install Gas Monitor 4-4. Precautions for wiring How to connect to terminal plate When cables (wires) are connected to the terminal plate inside the main unit, use the dedicated screwdriver or a compatible flathead screwdriver. When connecting a stranded wire, be sure to press the push button and open the spring while connecting the wire.
  • Page 19 4. How to Install Gas Monitor 4-4. Precautions for wiring Figure of terminal plate The overview of the terminal plate inside the main unit is as follows: For Contact(TN3) 1-2: Not used 3-4: ALM2(2nd) <For Connecting AC Power> AC power (TND) 100 - 120 VAC ±...
  • Page 20: How To Use

    5. How to Use 5-1. Before using the monitor How to Use 5-1. Before using the monitor Not only the first-time users but also the users who have already used the monitor must follow the operating precautions. Ignoring the precautions may damage the monitor, resulting in inaccurate gas detection. CAUTION ...
  • Page 21: Basic Operating Procedures

    5. How to Use 5-3. Basic operating procedures 5-3. Basic operating procedures Normally, the detection mode is activated after the power is turned on. <Detection Mode> The monitor is restarted after recovering from fault. (long pressing) <Gas Alarm Status> <User Mode > <Fault Alarm Status>...
  • Page 22: Power-On

    5. How to Use 5-4. Power-on 5-4. Power-on - Before turning on the power switch, check that the monitor is installed properly. - Slide the power switch up to power on and down to power off. - Turn on the power switch. - After the monitor completes the start-up, it enters the detection mode.
  • Page 23: Modes

    5. How to Use 5-5. Modes 5-5. Modes Mode Item Details display Detection Gas name Normal state - mode 1-0 VER Indicate the program version. Version display Fresh air 1-1 AIR Perform zero adjustment. adjustment Maintenance 1-2 CONF Not used. mode Setting display (User)
  • Page 24: User Mode

    5. How to Use 5-6. User mode 5-6. User mode WARNING  After the adjustment is completed, never fail to press the MODE button to return to the detection mode. (If the monitor remains in the user mode, it automatically returns to the detection mode in ten hours.) Detection mode Press the MODE...
  • Page 25 5. How to Use 5-6. User mode <Fresh Air (Zero) Adjustment "1-1"> This is used to perform the fresh air adjustment. CAUTION  After power-on and warm up, never fail to perform the zero adjustment (perform in fresh air). 1-1.AIR Press the SET button.
  • Page 26: Power-Off

    5. How to Use 5-7. Power-off <Setting Display "1-2"> The setting display "1-2 CONF" is not used. 1-2.CONF Not used. When the SET button is pressed, press the MODE button to return to the previous screen. 5-7. Power-off Slide the power switch down to power off. After turning off the power switch of the monitor, turn off the power supply (100 VAC or 24 VDC) of the monitor.
  • Page 27: Alarm Activation And Functions

    6. Alarm Activation and Functions 6-1. Gas alarm activation Alarm Activation and Functions 6-1. Gas alarm activation A gas alarm is activated when detected gas concentration reaches the preset alarm setpoint. CAUTION  The monitor may trigger an alarm under the following conditions, as well as when detecting E.O. gas.
  • Page 28 6. Alarm Activation and Functions 6-1. Gas alarm activation <Alarm Display (ALM1: Yellow Backlight), (ALM2: Red Backlight)> The alarm consists of two steps. The yellow or red backlight lights up when the respective alarm setpoint value is reached to or exceeded. CAUTION ...
  • Page 29: Fault Alarm Activation

    After the monitor is successfully returned from the fault, it restarts with the process normally performed right after it is turned on (initial clear). If the monitor has problems and is repeatedly malfunctioning, contact RIKEN KEIKI immediately. NOTE  For information on malfunctions (error messages), see "Troubleshooting" (P.46).
  • Page 30: Maintenance

    <RIKEN KEIKI will keep the main unit and remote sensor during regular maintenance.> The rough idea for span adjustment is two to three years. Since span adjustment requires the main unit, RIKEN KEIKI will keep both the remote sensor and main unit and perform the adjustment.
  • Page 31 Our qualified service engineers have expertise and knowledge on the dedicated tools used for services, along with other products. To maintain the safety operation of the monitor, please use our maintenance service. Typical maintenance services are listed as follows. For details, please contact RIKEN KEIKI. <Typical Maintenance Services> Item Services Checks the power supply voltage.
  • Page 32: Maintenance (Regular Maintenance) Mode

    7. Maintenance 7-2. Maintenance (regular maintenance) mode 7-2. Maintenance (regular maintenance) mode The maintenance mode allows for checking the status of the monitor and adjusting and changing the settings. WARNING  After adjustment, press the MODE button to return to the measuring state. The monitor automatically returns to the measuring state in 10 hours.
  • Page 33 7. Maintenance 7-2. Maintenance (regular maintenance) mode <Regular Maintenance Mode> User mode Press the SET button in "1-3. M MOD". Then press the SET button again for about (long pressing) three seconds. 2-0.GAS TEST Perform an alarm test in 2-01. 2-1.ZERO Perform the zero adjustment.
  • Page 34 7. Maintenance 7-2. Maintenance (regular maintenance) mode 2-3.SDEF Not used. 2-4.SET Specify the settings. 2-5.DISP Not used. 2-6.F MODE Not used. 2-7.U MODE The monitor returns to the user mode.
  • Page 35 7. Maintenance 7-2. Maintenance (regular maintenance) mode <Gas Introduction Display> 2-0.GAS TEST Perform an alarm test in 2-01. 2-00.GAS Not used. 2-01.ALM Perform the alarm test. Alarm display is changed by pressing ∧ ∨ button. 2-02.FALT Not used.
  • Page 36 7. Maintenance 7-2. Maintenance (regular maintenance) mode 2-03.LCD Not used. 2-04. Not used. To 2.00...
  • Page 37 7. Maintenance 7-2. Maintenance (regular maintenance) mode <Zero Adjustment> 2-1.ZERO Perform the zero adjustment. Press the SET button. Press the SET button again. "PASS" is displayed when adjustment is completed, and "FAIL" is displayed when it fails. If "FAIL" is displayed, perform zero adjustment again.
  • Page 38 7. Maintenance 7-2. Maintenance (regular maintenance) mode <Span Adjustment> 2-2.SPAN Perform the span adjustment. Press the SET button. Press the SET button again. Supply calibration gas and press the SET button. "PASS" is displayed when adjustment is completed, and "FAIL" is displayed when it fails.
  • Page 39 7. Maintenance 7-2. Maintenance (regular maintenance) mode <Environmental Setting> 2-4.SET Specify the settings. 2-40. Not used. 2-41. Not used. 2-42.AL-P Not used. 2-43.AL-D Not used. 2-44.AL-T Not used.
  • Page 40 7. Maintenance 7-2. Maintenance (regular maintenance) mode 2-45.SP-T Not used. 2-46.SAPP Not used. 2-47. Not used. 2-48.MA20 Not used. 2-49.SSET Not used.
  • Page 41 7. Maintenance 7-2. Maintenance (regular maintenance) mode 2-4A.DATE Not used.
  • Page 42 7. Maintenance 7-2. Maintenance (regular maintenance) mode 2-4b. Not used. 2-4C.TERY Not used. 2-4d.BZZR Set the buzzer to ON/OFF.
  • Page 43 7. Maintenance 7-2. Maintenance (regular maintenance) mode 2-4E.AL-R Set the gas alarm state contact to ON/OFF. 2-4F.MA-O Not used. 2-4H.LCD Set the LCD backlight to ON/OFF.
  • Page 44 7. Maintenance 7-2. Maintenance (regular maintenance) mode 2-4J.TYPE Not used. 2-4L DISP Not used.
  • Page 45: Storage And Disposal

    CAUTION  When using a relocated or stopped/stored monitor again, never fail to perform a calibration. Contact RIKEN KEIKI for information on readjustment including calibration. (RIKEN KEIKI will keep the monitor for adjustment.) 8-3. Disposal of products When the monitor is disposed of, it must be treated properly as an industrial waste in accordance with the local regulations, etc.
  • Page 46: Troubleshooting

    If the monitor shows a symptom which is not explained in this manual, or still has malfunctions even though remedial actions are taken, please contact RIKEN KEIKI. Symptom/Display Causes...
  • Page 47 Presence of solvents, cannot be eliminated completely. For interference gas information on actions, such as removal filter, please contact RIKEN KEIKI. Turn off and restart the monitor. Disturbance by noise If a symptom like this is observed frequently, take appropriate measures to eliminate the noise.
  • Page 48: Product Specifications

    10. Product Specifications 10. Product Specifications Product Specifications 10-1. List of specifications Model GM-600 Power supply specification 100 VAC (±10%) 50 Hz/60 Hz 24 VDC (±10%) Detection principle Semiconductor Detection method Diffusion type Gas to be detected Ethylene oxide (E.O.)
  • Page 49: Optional Accessories

    10. Product Specifications 10. Product Specifications 10-3. Optional accessories - Installation board (1 pc.)
  • Page 50: Appendix

    11. Appendix 11. Appendix Appendix 11-1. Detection principle of semiconductor type The electric conductivity of semiconductor changes when gas is adsorbed on its surface. The monitor can measure gas concentration based on changes in the electric conductivity. RL: Load resistance : Heater voltage : Output voltage : Sensor voltage...
  • Page 51: Definition Of Terms

    11. Appendix 11. Appendix 11-2. Definition of terms It stands for American Conference of Governmental Industrial Hygienists, an ACGIH institution to recommend a guideline for toxicity of materials. Gas concentration indicated in the unit of one-millionth of the volume The reading is unstable for seconds after the power is turned on. To prevent Initial clear malfunctions for that period, the alarm contact is deactivated.

Table of Contents