Riken Keiki FP-31 Operating Manual
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Riken Keiki FP-31 Operating Manual

Formaldehyde gas detector
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PT0E-1331
Operating Manual for
Formaldehyde Gas Detector
FP-31

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Summary of Contents for Riken Keiki FP-31

  • Page 1 PT0E-1331 Operating Manual for Formaldehyde Gas Detector FP-31...

  • Page 2: Table Of Contents

    Contents 1 Product Outline ..............................3 Preface ................................3 Purpose of use ..............................3 Definition of DANGER, WARNING, CAUTION and NOTE ................4 2 Important Notice on Safety ..........................5 2-1. Warning cases ............................5 2-2. Precautions .............................. 6 3 Product Components ............................8 3-1.

  • Page 3: Product Outline

    Product Outline Preface Thank you for choosing our HCHO DETECTOR FP-31 (hereinafter referred to as the detector). Please confirm the model number of the product you purchased and how to use this manual. This manual describes how to use the detector properly and its specifications. Not only the first-time users but also the users who have already used the detector must read and understand the operating manual and use this product as described in this manual.

  • Page 4: Definition Of Danger, Warning, Caution And Note

    1 Product Outline 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 on life, health or assets.

  • Page 5: Important Notice On Safety

    To maintain the performance of the detector and use it safely, observe the following instructions with WARNING and CAUTION. WARNING  If any abnormality is found in the detector, promptly contact RIKEN KEIKI. Visit our Web site to find your nearest RIKEN KEIKI office. Web site: http://www.rikenkeiki.co.jp/ 2-1.

  • Page 6: Precautions

    2 Important Notice on Safety 2-2. Precautions 2-2. Precautions CAUTION  Do not use the detector in a place where it is exposed to oil, chemicals, etc. Do not submerge the detector under water on purpose. • Do not use in a place where the detector is exposed to liquids such as oil and chemicals. •...
  • Page 7 • If the detector is not used for a long time, store it after removing the dry batteries. Battery leaks may result in fire, injury, etc. • When the detector is used again after a long-period storage, never fail to perform a calibration. Contact RIKEN KEIKI for information on readjustment including calibration. - 7 -...

  • Page 8: Product Components

    3-1. Main unit and standard accessories After opening the carton box, check the detector and accessories. If there is anything missing, contact RIKEN KEIKI. Main unit For names and functions of individual parts of the detector and LCD display, see "3-2.
  • Page 9 3 Product Components 3-1. Main unit and standard accessories Standard accessories Detection TAB AA alkaline dry batteries 20 pcs/bag 4 pcs Tripod-mounting Product warranty attachment Operating manual Optional parts • Filter • Software for data logger - 9 -...

  • Page 10: 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 detector. Main unit (10) (12) (11) Name Major function...
  • Page 11 3 Product Components 3-2. Names and functions for each part Display Name Major function (1) Gas name and message display Displays type of measured gas and message. Displays the gas concentration as numeric output. Displays Gas concentration/Count/Clock remaining measurement time in seconds. Displays the display current time.

  • Page 12: Detection Tab

    3-3. Detection TAB 3-3. Detection TAB The detection TAB is a gas detection unit developed by RIKEN KEIKI. It contains special paper that exhibits a color by contact with gas in a case that uses polypropylene as a material. Handling of detection TAB A special reagent is applied to the test paper part of the detection TAB.

  • Page 13: How To Use

    4 How to Use 4-1. Before using the detector How to Use 4-1. Before using the detector Not only the first-time users but also the users who have already used the detector must follow the operating precautions. Ignoring the precautions may damage the detector, resulting in inaccurate gas detection. 4-2.
  • Page 14 4 How to Use 4-2. Preparation for start-up Check that the power of the main unit is turned off. If the power is turned on, press the ON/OFF/START button to turn it off. Unlock the battery cover by pulling the lock plate open and open the battery cover.

  • Page 15: How To Start The Detector

    4 How to Use 4-3. How to start the detector 4-3. How to start the detector When the power is turned on, a self-diagnostic starts, and then the detector enters the waiting condition. Power-on Press and hold the ON/OFF/START button (one second or longer) until the buzzer blips to turn on the power.
  • Page 16 4 How to Use 4-3. How to start the detector Mount the detection TAB on the detector. Select a detection TAB using the  or  button. <When Detection TAB is Mounted> Press and hold the ON/OFF/START button for one second or longer.
  • Page 17 4 How to Use 4-3. How to start the detector The message of "STAND BY" is displayed for about five seconds. Select a detection TAB using the  or  button. CAUTION  Do not dismount the detection TAB during self-diagnostic. Dismounting of the detection TAB during self-diagnostic will disturb accurate self-diagnostic, and the message of "FAIL"...

  • Page 18: Mounting Of Detection Tab

    4 How to Use 4-4. Mounting of detection TAB 4-4. Mounting of detection TAB The mounting of detection TAB is required to perform gas detection using the detector. For handling of detection TAB, see "3-3. Detection TAB" on page 12. Pull up the detection TAB cover to open.

  • Page 19: How To Detect

    4 How to Use 4-5. How to detect 4-5. How to detect Gas concentration detection starts from the Waiting Condition. Once gas concentration detection is started, the detector draws in gas to be detected for a certain period of time and then displays the gas concentration.
  • Page 20 4 How to Use 4-5. How to detect The number stored in the memory is displayed. After completion of the detection, a message indicating the completion of detection and a concentration are alternately displayed. Dismount the detection TAB. NOTE  Only one type of detection TAB is used with the detector, but there are two types of measurement ranges available.
  • Page 21 4 How to Use 4-5. How to detect CAUTION  If the detection place is changed, for example after detecting a high concentration gas, the gas remaining in the detector may influence the next detection. In such cases, perform preliminary sample drawing or purge to discharge the remaining gas from the detector.
  • Page 22 4 How to Use 4-5. How to detect Check of detection results The past detection results can be displayed in the detection standby or detection completion state. Up to 99 of detection results can be stored in the memory. The measurement results are maintained even after the detector is turned off.
  • Page 23 4 How to Use 4-5. How to detect Deletion of detection results All of the past detection results can be deleted while being checked. During the check of detection results, press the ON/OFF/START and DATA buttons at the same time. A confirmation message for the deletion of detection results is displayed.

  • Page 24: Preliminary Sample Drawing

    4 How to Use 4-6. Preliminary sample drawing 4-6. Preliminary sample drawing After the detection of a high concentration gas or similar cases, the gas remaining in the detector may influence the next detection. Perform preliminary sample drawing to discharge remaining gas completely from the detector.

  • Page 25: Purge

    4 How to Use 4-7. Purge 4-7. Purge When gas detection is continuously conducted, the gas adsorbed in the tubing may prevent accurate gas detection (readings become slightly higher than the actual concentration). Never fail to purge the gases adsorbed in the tubing with atmospheric air (no gas to be detected is contained) before starting gas detection.

  • Page 26: Change In Date And Time

    The screen will return to the TAB No. SELECT screen. NOTE  If the detector mistakenly enters another mode, turn off the power and try again.  In the event of a failure of the internal clock, promptly contact RIKEN KEIKI. - 26 -...

  • Page 27: Power-Off

    4 How to Use 4-9. Power-off 4-9. Power-off Press and hold the ON/OFF/START button (three seconds or longer) until the buzzer sounds nine blips to turn off the power. NOTE  To turn off the power, keep the button pressed until the display disappears. ...

  • Page 28: Self-Diagnostic

    5 Self-diagnostic Self-diagnostic The detector has the types of self-diagnostic functions shown in the table below. Each alarm is notified by buzzer and display. <Self-Diagnostic Type and Alarm Pattern> Symptoms Buzzer Display At power-on Battery voltage low Continuous CHANGE BATTERY Detector system error None SYSTEM ERROR...

  • Page 29: Maintenance

    WARNING  If an abnormality is found in the detector, contact RIKEN KEIKI immediately. NOTE  The built-in sensor of the detector has a validity period and must be replaced regularly.

  • Page 30: How To Clean

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

  • Page 31: Storage And Disposal

    When the detector is used again after a long-period storage, perform a calibration. CAUTION  Contact RIKEN KEIKI for information on readjustment including calibration. 7-3. Disposal of products When the detector is disposed of, it must be treated properly as an industrial waste (noncombustibles) in accordance with the local regulations, etc.

  • Page 32: Troubleshooting

    If the detector shows a symptom which is not explained in this manual, or still has malfunctions even though remedial actions are taken, please contact RIKEN KEIKI. Symptoms Causes...
  • Page 33 8 Troubleshooting Symptoms Causes Actions (Message) After replacing all the four batteries with The pump does not The capacity of the batteries new ones, cycle the power. See "4-2. work. used is getting low. Preparation for start-up" on page 13. The sampling hose is Check the sampling hose and tubing for Gas cannot be drawn in.

  • Page 34: Product Specifications

    9 Product Specifications Product Specifications Model FP-31 Gas to be detected Formaldehyde (HCHO) Detection Principle Photoelectric photometry method TAB 008: 0.000 - 0.400 ppm ("<0.01" is displayed for less than 0.015 ppm.) Measurement range TAB 009: 0.00 - 1.00 ppm ("<0.02" is displayed for less than 0.02 ppm.)

  • Page 35: Appendix

    10 Appendix 10-1. Detection principle Appendix 10-1. Detection principle By introducing gas to the detection TAB, the special test paper impregnated with color former that has been incorporated into the detection TAB exhibits a color by a chemical reaction. For example, if formaldehyde (HCHO) contacts with the test paper of the detection TAB, a compound is formed by a chemical reaction of the color former contained in the paper and HCHO, changing the paper color from white to yellow.

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