Riken Keiki CO2RK-Lite Operating Manual
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Riken Keiki CO2RK-Lite Operating Manual

Co2 monitor
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PT2E-3380
CO
Monitor
2
CO
RK-Lite
2
Operating Manual

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Summary of Contents for Riken Keiki CO2RK-Lite

  • Page 1 PT2E-3380 Monitor RK-Lite Operating Manual...

  • Page 2: Table Of Contents

    Contents Contents 1. Product Overview .................................4 1-1. Introduction .................................4 1-2. Intended use ...............................5 1-3. DANGER, WARNING, CAUTION, and NOTE ....................6 1-4. Checking markings .............................7 2. Important Safety Information ............................8 2-1. Warning information ............................8 2-2. Caution information.............................9 2-3. Radio law certification ............................10 2-4.
  • Page 3 Contents 6-2. Product disposal .............................. 28 7. Troubleshooting ................................. 29 8. Product Specifications ............................... 31 8-1. Specifications list ............................. 31 8-2. Product warranty.............................. 32 3 / 32...

  • Page 4: Product Overview

    The contents of this operating manual are subject to change without notice to allow product improvements. Any unauthorized duplication or reproduction of this operating manual is prohibited, whether in whole or in part. Regardless of the warranty period, Riken Keiki does not accept any liability for accidents or damage resulting from use of the product.

  • Page 5: Intended Use

    1. Product Overview 1-2. Intended use 1-2. Intended use The product is designed to monitor carbon dioxide concentrations in indoor environments. The product displays carbon dioxide concentrations on the LCD screen and alerts the user via the LCD screen color (green, orange, or red) and a buzzer if carbon dioxide concentrations reach alarm setpoints set within the detection range (ventilation notification concentrations).

  • Page 6: Danger, Warning, Caution, And Note

    1. Product Overview 1-3. DANGER, WARNING, CAUTION, and NOTE 1-3. DANGER, WARNING, CAUTION, and NOTE This operating manual uses the following categories to indicate potential damage/hazards if the user disregards the information provided and uses the product incorrectly: This indicates situations in which improper handling may result in fatal or DANGER serious injury or significant property damage.

  • Page 7: Checking Markings

    1. Product Overview 1-4. Checking markings 1-4. Checking markings The nameplate affixed to the product provides various markings (CE marking, FCC ID, technical compliance marking). Check the actual product specifications before use. For CE marking models, please refer to the ‘Declaration of Conformity’...

  • Page 8: Important Safety Information

    To maintain product performance and to ensure safe use, always observe the following WARNING and CAUTION instructions: WARNING  If an abnormality is discovered in the product, contact Riken Keiki immediately. Visit our website for information on the nearest Riken Keiki office. Website: https://www.rikenkeiki.co.jp/ 2-1.

  • Page 9: Caution Information

    2. Important Safety Information 2-2. Caution information 2-2. Caution information CAUTION  Do not use walkie-talkies or other radio transmitting devices near the product or its cables. Use of such devices near the product may affect measurements.  The product may not function correctly if the power is turned on once again within five seconds after turning it off.

  • Page 10: Radio Law Certification

    2. Important Safety Information 2-3. Radio law certification 2-3. Radio law certification This product is certified as complying with radio laws in individual countries and regions as follows. The following actions are prohibited by radio laws. The user and/or retailer may be subject to punishment if prohibited actions are committed.
  • Page 11 2. Important Safety Information 2-3. Radio law certification Radio law Details certification (Country/region) Radio Act This product contains radio equipment certified to comply with technical standards in (Japan) accordance with the Radio Act. Accordingly, a radio station license is not required when using this product.
  • Page 12 2. Important Safety Information 2-3. Radio law certification could void the user’s authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 13: Installation Precautions

    2. Important Safety Information 2-4. Installation precautions 2-4. Installation precautions Be sure to observe the following precautions when installing the product. Failure to comply with these precautions may result in product failure or improper monitoring. CAUTION The product is a precision device. The specified performance may not be achieved depending on the location (environment) in which the product is installed.
  • Page 14 2. Important Safety Information 2-4. Installation precautions <Do not install the product in locations subject to vibration or impact.> The product contains precision electronic components. Install the product in a stable location free of vibration, impact, and risk of falling. <Do not install in locations exposed to water, oil, or chemicals.>...

  • Page 15: Product Configuration

    3. Product Configuration 3-1. Main unit and standard accessories Product Configuration 3-1. Main unit and standard accessories Unpack and check the product and accessories. If anything is missing, contact Riken Keiki. <Main unit and standard accessories> Main unit Standard accessories RK-Lite...

  • Page 16: Part Names And Functions

    3. Product Configuration 3-2. Part names and functions 3-2. Part names and functions This section describes the names and functions of the various parts of the product and the LCD display. 16 / 32...
  • Page 17 3. Product Configuration 3-2. Part names and functions Name Main function Turns the power on and off. Slide upward to turn the power on, and slide downward to (1) Power switch turn the power off. (2) MODE button Use this button to cancel a setting while making settings. Used to select the PEAK/1st alarm value/2nd alarm value display (3) △...

  • Page 18: Display

    3. Product Configuration 3-3. Display 3-3. Display (10) Name Main function Operating status icon Indicates the operation status. Blinks when normal. 1st alarm icon Lights up or blinks when a 1st alarm occurs. 2nd alarm icon Lights up or blinks when a 2nd alarm occurs. Fault alarm icon Lights up when a fault alarm occurs.
  • Page 19 3. Product Configuration 3-3. Display Concentration display Displays carbon dioxide concentrations. Maintenance display Displays maintenance items when making settings. Units display Displays the units (ppm). Gas name display Displays the gas name. [CO2] is displayed. Maintenance display Displays item names when making settings. Power supply indication Lights up when the power is turned on.

  • Page 20: Usage Instructions

    4. Usage Instructions 4-1. Turning the power on and off Usage Instructions 4-1. Turning the power on and off ・ Before turning on the power switch, check to confirm that the product has been correctly installed. ・ Slide the power switch up to turn on and down to turn off. Power on ▼...

  • Page 21: Checking The Carbon Dioxide Concentration (Lcd Display)

    4. Usage Instructions 4-2. Checking the carbon dioxide concentration (LCD display) 4-2. Checking the carbon dioxide concentration (LCD display) The measurement screen displays the carbon dioxide concentration on the LCD. The product is capable of monitoring carbon dioxide at concentrations from 400 ppm to 5,000 ppm.

  • Page 22: Turning The Buzzer On And Off

    4. Usage Instructions 4-3. Turning the buzzer on and off 4-3. Turning the buzzer on and off Hold down the SET button for at least three seconds to turn off (mute) or on (unmute) the buzzer. Once the buzzer is turned on or off, this state is retained even when the power is turned off. SET button Buzzer ON/OFF icon...
  • Page 23 4. Usage Instructions 4-4. Checking the peak reading and changing alarm setpoints △ button Measurement screen Press the △ button to select the peak value confirmation screen. Peak value confirmation screen Press the △ button to select the 1st alarm setpoint confirmation screen. Hold down the SET button for at least three seconds to clear the peak value currently saved.

  • Page 24: Functions

    5. Functions 5-1. Alarm activation (Ventilation alert function) Functions 5-1. Alarm activation (Ventilation alert function) The product notifies the user via the following alarm indications when carbon dioxide concentrations reach the values set for the alarm setpoints: <When 2nd alarm setpoint is exceeded> <When 1st alarm setpoint is exceeded>...

  • Page 25: Fault Alarm Activation

    After the product has successfully recovered from the fault, it restarts with the process normally performed right after it is turned on (initialization). If the problem lies with the product and the fault occurs repeatedly, contact Riken Keiki immediately. NOTE For more information on malfunctions (error messages), refer to ‘7.

  • Page 26: Automatic Adjustment Function

    5. Functions 5-3. Automatic adjustment function 5-3. Automatic adjustment function The product features an automatic adjustment function that corrects sensor output fluctuations over time. This records the lowest carbon dioxide concentration measured during the 24-hour period since the product was turned on.

  • Page 27: Smartphone App

    5. Functions 5-4. Smartphone app 5-4. Smartphone app The product uses Bluetooth® to allow monitoring of carbon dioxide concentrations from a smartphone. Download and install the dedicated free RK Link app from Google Play or the App Store to use this function. RK Link includes an email sending function using Gmail.

  • Page 28: Storage And Disposal

    6. Storage and Disposal 6-1. Procedures for storage or when not in use for extended periods Storage and Disposal 6-1. Procedures for storage or when not in use for extended periods The product must be stored in the following environment: ・...

  • Page 29: Troubleshooting

    The AC adapter must be replaced. The AC adapter is defective. Contact Riken Keiki. The AC adapter is not Connect the AC adapter correctly. correctly connected. Turn off the power and restart. Effects of radio waves,...
  • Page 30 Symptom/display Cause Action Sensor abnormality A sensor abnormality has occurred. Sensor abnormality E-1 SENS Contact Riken Keiki. System abnormality Internal ROM, RAM, or Contact Riken Keiki. E-9 SYSTEM EEPROM abnormalities Install the product in a location free of sudden temperature...

  • Page 31: Product Specifications

    8. Product Specifications 8-1. Specifications list Product Specifications 8-1. Specifications list Detection principle Nondispersive infrared absorption method (NDIR) Detection target gas Carbon dioxide (CO Detection range 400 - 5,000 ppm Display accuracy ±50 ppm ± 5 % reading (standard conditions: 25 °C, 1 atmosphere) (for identical conditions) Display function LCD digital display (with 3-color backlight: green, orange, and red)

  • Page 32: Product Warranty

    (b) When faults or damages are due to the item being repaired or modified at service agencies other than RIKEN KEIKI or service agencies designated by RIKEN KEIKI. (c) When the faults or damages are due to the item being incorrectly moved, transported, toppled, dropped, or stored after the product was purchased.
  • Page 33 Revision History Issue Revision details Issue date First issue November 12, 2021...

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