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RIKEN PORTABLE HC/O2 DETECTOR
MODEL ＲＸ−４１５
Precaution in operation
・After reading this manual well, start to operate this instrument.
・Keep this manual where to carry out easily
・When take out this manual by use of construction work, be sure to put it
where it was.
・Do not use this instrument for no other than given purpose.
・When operate this instrument without using this manual or repair it by use of
no other parts than the genuine one, the safety and quality of products could
not be guaranteed. When any accident should take place by those irregular
method, we cannot assume the responsibility for it.
2-7-6 Azusawa, Itabashi-ku, Tokyo, 174-8744, Japan
Web site : http://www.rikenkeiki.co.jp/english/
OPERATION MANUAL
(PT0-028)
Phone : +81-3-3966-1113
Fax : +81-3-3558-9110
E-mail : intdept@rikenkeiki.co.jp
PTOE-0281
Released: SEP/15/2009
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Summary of Contents for Riken Keiki RX-415
- Page 1 PTOE-0281 Released: SEP/15/2009 RIKEN PORTABLE HC/O2 DETECTOR MODEL ＲＸ−４１５ OPERATION MANUAL (PT0-028) Precaution in operation ・After reading this manual well, start to operate this instrument. ・Keep this manual where to carry out easily ・When take out this manual by use of construction work, be sure to put it where it was.
- Page 2 In the beginning It is of our great pleasure to purchase Riken portable HC/O2 gas indicator model RX-415 this time. This instrument is an explosion-proof type portable gas indicator which is designed to measure the presence of crude vapors in an inert gas or in air such as HC gas, vapors and methane gas and O2.
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Page 3: Table Of Contents
Contents Page １．Caution in operation (for your safety) ・・・・ 3 ２．Name of each part ・・・・・・・・・・・・・・・・・・ 4 ３．Operation ３−１．Check item before operation・・・・・・・・・・・・・・・ 6 ３−２．Preparation・・・・・・・・・・・・・・・・・・・・・・ 6 ３−３．Start-up procedure・・・・・・・・・・・・・・・・・・・ 8 ３−４．Check of the flowmonitor・・・・・・・・・・・・・・・・ 9 ３−５．Zero adjustment・・・・・・・・・・・・・・・・・・・・ 9 ３−６．Measurement・・・・・・・・・・・・・・・・・・・・・ 10 ３−７．Stop of pump operation・・・・・・・・・・・・・・・・・ 12 ３−８．Measurement completion・・・・・・・・・・・・・・・・... -
Page 4: １．Caution In Operation (For Your Safety)
1. Caution in operation ( for your safety ) Keep the following items below to maintain the function of instrument and for safety. Warning ・Do not modify or alter the circuit or structure etc. After modifying and altering the instrument, the function can not be maintained any longer. -
Page 5: ２．Name Of Each Part
2. Name of each part ⑤ ④ ③ ② ⑨ ⑩ ① ⑪ ⑥ ⑦ ⑧ Power/Enter switch ① This is used for the confirmation of power ON, OFF/input. PUMP/(+) switch ② This is used for pump Switch ON/OFF and to increase the input value. ZERO/(-) switch ③... - Page 6 ⑫ ⑮ ⑬ ⑬ ⑭ Carrying case ⑫ Junction tube (20cm) ⑬ Gas sampling probe + Sampling tube (1m) ⑭ Filter tube with the flowmonitor ⑮...
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Page 7: ３−１．Check Item Before Operation
Gas sampling tube 10m Black (with stick probe or float probe) Gas sampling tube 29m Orange + Junction tube 1m Orange (with stick probe or float probe) Connection between gas sampling junction tube and model RX-415. ・ By holding knurling part with fingers, pull it to the arrow mark. - Page 8 Connection between gas sampling junction tube and sampling tube (Optional specification). ・ By holding the socket of gas sampling junction tube and the plug of sampling tube by fingers and plug in to the arrow mark until it gets a ticking sound. Socket Plug Sampling tube...
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Page 9: ３−３．Start-Up Procedure
Start-up procedure ３−３． Hold pressing power switch for 5 seconds and the power will turn on. Via battery check, filter probe connection check and sensor connection check, the gas detection will start. The sequence performance until the gas detection starts is as follows : Hold pressing power switch for 5 seconds ＊... -
Page 10: ３−４．Check Of The Flowmonitor
Check of the flowmonitor ３−４． When turn on power, the pump starts working. Check that it works properly by the flowmonitor (float) of filter tube with the flowmonitor. Float When sucking properly (Can see the float) Float Not sucking properly (Cannot see the float) Zero adjustment ３−５．... -
Page 11: ３−６．Measurement
Display, performance at zero calibration failure (See 3.) ① In case of HC zero cal. failure ＦＡＩＬ ＺＥＲＯ ＨＣ／ In case of O2 zero cal. failure ＦＡＩＬ ＺＥＲＯ ／Ｏ２ In case of HC/O2 zero cal. failure ＦＡＩＬ ＺＥＲＯ ＨＣ／Ｏ２ Caution When make zero adjustment, do it after having fresh air sucked into instrument for over 1 minute. - Page 12 Warning When the temperature is drastically changed at next detection point, in order to ・ make accurate measurement, wait until the instrument accustom itself to its temperature (approx 10 min.). Then, start measurement after air calibration. Warning When measure O2 in inert gas, confirm that CO2 density of sucked air is under ・...
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Page 13: ３−７．Stop Of Pump Operation
Read-out of peak value When press PEAK switch in operation, this shows the peak value (Max point of reading for HC, Minimum point of reading for O2 from the power switch “ON” up to now. ） Then press PEAK switch again, the peak model is cancelled and returns to the measurement mode. -
Page 14: ３−８．Measurement Completion
↓ Press for about 3 sec. ＨＯＬＤ ＰＵＭＰ ＫＥＹ Ｐ Ｕ Ｍ Ｐ ↓ ＰＵＭＰ ＰＯＷＥＲ ＯＦＦ (Pump stop operation) Release PUMP switch after pump off. Pump Stop Operation ： → Pump power off ＰＵＭＰ ＰＯＷＥＲ ＯＦＦ ↓ ＨＯＬＤ ＰＵＭＰ ＫＥＹ Press for about 3 sec. -
Page 15: ４．Alarm Function
4. Alarm function Kind of alarm and alarm function ４−１． Trouble alarm is provided for this instrument. Each alarm is provided with buzzer, lamp and display. Trouble alarm and alarm pattern Lamp Buzzer System error Continuous " SYSTEM ERROR " Battery power shortage ON Continuous "REPLACE BATTERY"... -
Page 16: ４−２．Countermeasure At Alarm
Countermeasure at alarm ４−２． System error (“SYSTEM ERROR”) When receive an excessive noise, this error may appear. When the low battery alarm is given, replace 4 pcs of batteries with new ones according to the procedure of “5-1. Battery replacement.” Sensor connection error When give an excessive shock or impulse to the instrument such as dropping or throwing etc. -
Page 17: ５−１．Battery Replacement
5. Maintenance check For this correct operation, follow the following procedure. As this is safety instrument. Be sure to make the regular maintenance. If any trouble should take place, contact the nearest agent or Riken Keiki Co., Ltd. Battery replacement ５−１．... -
Page 18: ５−２．Gas Calibration
Gas calibration ５−２． The measuring range of model RX-415 is dual expanded scale of 0-100%LEL and 0-100vol% for HC, and 0-25vol% for O2. Then, the gas calibration for all ranges is required. Prepare the calibration gas (both for low density gas and high density gas) and sampling bag. - Page 19 Gas calibration is completed. ＨＣ ＳＰＡＮ ＳＥＴ ＯＫ ↓ Supply calibration gas from the gas inlet. ＡＰＰＬＹ ＧＡＳ Ｏ２ When perform gas calibration, press ＥＮＴＥＲ. When stop gas calibration, press ＥＳＣ ＥＳＣ. Completion of gas cal. Gas density display ０．０％ＬＥＬ ２０．９％ （...
- Page 20 Put the calibration gas ＊２ to sampling bag and make gas calibration in the following procedure. Gas density display ０．０％ＬＥＬ ２０．９％ Calibration gas （ ） ＊ ２： ｉ−Ｃ Ｈ ↓ ４ １０ ７０∼８０ｖｏｌ％ ＨＯＬＤ ＳＰＡＮ ＫＥＹ Press Ｐ Ｕ Ｍ Ｐ Ｚ...
- Page 21 (６) Put the calibration gas ＊３ to sampling bag and make gas calibration in the following procedure. Gas density display ０．０％ＬＥＬ ２０．９％ （ ） Calibration gas ＊ ３： ↓ N2 : Over 99.5vol% ＨＯＬＤ ＳＰＡＮ ＫＥＹ Press Ｐ Ｕ Ｍ Ｐ Ｚ...
- Page 22 Gas sampling bag Instrument Gas inlet Caution Do not supply the calibration gas directly by plugging in the gas inlet from the ・ canned gas. Because the inside of instrument may be damaged. Be sure to make calibration by both high density gas and low density gas. ・...
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Page 23: ５−３．Filter Replacement
Filter replacement ５−３． Check the filter (Cotton) in the filter tube with the flowmonitor before measurement and if it is dirty, replace it with new one. By turning the knurling part of the filter tube with the flowmonitor, open the filter tube with the flowmonitor. -
Page 24: ５−４．O2 Sensor Replacement
O2 sensor replacement ５−４． O2 sensor life of RX-415 is approx. 1 year. If the following phenomenon would be occurred, replace the sensor with new one. Sensor type is “OS-B3”. Phenomenon ＜ ＞ When “Calibration error” is displayed, even though the air calibration is performed by fresh air. -
Page 25: ５−５．Daily Check And Regular Maintenance Check
Replacement of parts ５−６． As the following parts have its own end, it must be replaced regularly. When replace, contact the nearest agent or Riken Keiki Co., Ltd. Pump : Approx. 2 years (Depends on use frequency) Internal filter : Approx. 1 year (Depends on use frequency) Sensor : Approx. -
Page 26: ６．Scrap Of Instrument
6. Scrap of instrument When scrap the instrument, treat it in compliance with the local regulations of industrial waste (incombustible). For scrap of O2 sensor, contact the nearest agent or Riken Keiki Co., Ltd. -
Page 27: Troubleshooting
7. Troubleshooting This troubleshooting does not mention the possible cause of all malfunction but simply shows it to help the cause research of probable malfunction. Trouble Cause Treatment Power can not be on Empty batteries ・ ・Put batteries in correct way by seeing the battery replacement. -
Page 28: ８．Definition Of Words
8. Definition of words %LEL When define the Lower Explosion Limit of combustible gas as 100%. Methane 100%LEL = 5.0vol% ： Iso-butane 100%LEL = 1.8vol% ： Vol% This is the unit shown by percentage for how much a special material (or gas) in a volume is occupied in that volume. -
Page 29: ９−１．Specifications
9. Specifications 9−１． Specifications MODEL ： ＲＸ−４１５ （ＴＹＰＥ ＨＣ） Detection Galvanic cell NDIR (Non-Dispersive Infrared method) principle Detection Oxygen (O2) Calibration Oxygen Iso-butane Measurable 0-25vol% 0-100%LEL / 0-100vol% Dual auto range range (0.1vol%) (0.5%LEL) / (0.5vol%) 5% of full scale (0-100%LEL) ±... - Page 30 MODEL ： ＲＸ−４１５ （ＴＹＰＥ ＣＨ ） ４ Detection Galvanic cell NDIR (Non-Dispersive Infrared method) principle Detection gas Oxygen (O2) Calibration Oxygen Methane Measurable 0-25vol% 0-100%LEL / 0-100vol% Dual auto range range (0.1vol%) (0.5%LEL) / (0.5vol%) 5% of full scale (0-100%LEL) ±...
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Page 31: ９−２．Accessories (Common For Hc And Ch4)
9−２． Accessories (Common for HC and CH4) Ordering Information (1) Standard accessories Description Parts number ① Alkaline batteries (Size C) 4pcs 2753200490 ② Filter tube with the flowmonitor and connection line with coupling 1pce 4126918220 ③ Junction tube 1pce 0914013070 ④... -
Page 32: １０．Detection Principle
10. Detection principle NDIR method (Non-Dispersive Infrared) １0−１． Model RX-415 is based on NDIR method (Non-Dispersive Infrared) and this structure is shown below. The infrared beam emitted from the light source passes through the measuring cell, and optical band pass filter which can pass the absorption wave of measuring gas and attains to the infrared sensor. - Page 33 RIKEN KEIKI CO., LTD. warrants gas alarm equipment manufactured and sold by us to be free from defects in materials and workmanship for a period of one year from date of shipment from RIKEN KEIKI CO., LTD. Any parts found defective within that period will be repaired or replaced, at our option, free of charge, F.O.B.
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