Riken Keiki RX-8500 User manual

PT0E-1366
Portable Multi-Gas Monitor
RX-8500/RX-8700
Operating Manual
(PT0-136)

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Contents
Outline of the Product...................................................................................................................................... 4
Preface............................................................................................................................................................ 4
Purpose of use................................................................................................................................................ 4
Definition of DANGER, WARNING, CAUTION and NOTE ............................................................................ 5
Important Notices on Safety........................................................................................................................... 6
2-1. Danger cases........................................................................................................................................... 6
2-2. Warning cases ......................................................................................................................................... 8
2-3. Precautions.............................................................................................................................................. 9
2-4. Safety Information ................................................................................................................................. 11
Product Components.................................................................................................................................... 12
3-1. Main unit and standard accessories...................................................................................................... 12
Main unit....................................................................................................................................................12
Accessories ...............................................................................................................................................13
3-2. Names and functions for each part .......................................................................................................16
<RX-8500 (with lithium ion battery unit BUL-8000)> ................................................................................16
<RX-8700 (with lithium ion battery unit BUL-8000)> ................................................................................19
How to Use ...................................................................................................................................................23
4-1. Before using the gas monitor ................................................................................................................23
4-2. Preparation for start-up .........................................................................................................................23
4-2-1. Charging the lithium ion battery unit (BUL-8000)...........................................................................24
4-2-2. Detaching and attaching the battery unit........................................................................................25
4-2-3. Attaching batteries to the dry battery unit (BUD-8000, option) ...................................................... 26
4-2-4. Connecting the gas sampling probe and gas sampling hoses ......................................................27
4-3. How to start the gas monitor .................................................................................................................29
4-3-1. Power-on ........................................................................................................................................29
4-3-2. Switching the hydrogen sulfide measuring mode range on RX-8700............................................31
4-4. Basic operating procedures...................................................................................................................32
4-4-1. RX-8500 basic operating procedures.............................................................................................32
4-4-2. RX-8700 basic operating procedures.............................................................................................33
4-5. Measurement......................................................................................................................................... 34
4-5-1. Gas concentration measurement ...................................................................................................34
4-5-2. Range switching point ....................................................................................................................36
4-6. Air calibration .........................................................................................................................................37
4-6-1. Attaching the CO2removal filter (RX-8500) ................................................................................... 37
4-6-2. Air calibration procedure.................................................................................................................38
4-7. Manual memory ..................................................................................................................................... 41
4-8. Stopping the pump (PUMP OFF mode) ................................................................................................42
4-9. Power-off ...............................................................................................................................................43
Setting Procedure.........................................................................................................................................44
5-1. Display/setting mode .............................................................................................................................44
5-2. PEAK display/clear ................................................................................................................................46
5-3. Full scale/alarm setpoint display/gas alarm test (optional function) .....................................................47
5-4. Station ID display...................................................................................................................................48
5-5. Log data display ....................................................................................................................................49
Fault Alarm Function ....................................................................................................................................50
6-1. Fault alarm activation ............................................................................................................................50
7. Maintenance .................................................................................................................................................52
7-1. Maintenance intervals and items........................................................................................................... 52
About maintenance services.....................................................................................................................53
7-2. Span adjustment....................................................................................................................................54
7-2-1. Preparation .....................................................................................................................................54
7-2-2. How to connect ...............................................................................................................................54
7-2-3. Span adjustment procedure ........................................................................................................... 55
7-3. How to clean ..........................................................................................................................................58
7-4. Parts replacement .................................................................................................................................59
7-4-1. Sensor replacement .......................................................................................................................59
7-4-2. Replacement procedure for gas sampling probe dust filter ...........................................................59
7-4-3. Replacement procedure for filter tube dust filter ............................................................................ 60
7-4-4. Replacement procedure for filter tube absorbent cotton................................................................60
7-4-5. Replacement of regular replacement parts ....................................................................................61

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Storage and Disposal ...................................................................................................................................62
8-1. Procedures to store the gas monitor or leave it for a long time .........................................................62
8-2. Procedures to use the gas monitor again .............................................................................................62
8-3. Disposal of products ..............................................................................................................................63
Troubleshooting ............................................................................................................................................64
9-1. Abnormalities on unit .............................................................................................................................64
9-2. Abnormalities of readings ......................................................................................................................66
Product Specifications................................................................................................................................67
10-1. RX-8500 specifications........................................................................................................................ 67
10-1-1. List of RX-8500 specifications ......................................................................................................67
10-1-2. RX-8500 standard accessories ....................................................................................................68
10-2. RX-8700 specifications........................................................................................................................ 69
10-2-1. List of RX-8700 specifications ......................................................................................................69
10-2-2. RX-8700 standard accessories ....................................................................................................70
10-3. List of optional items............................................................................................................................ 71
Appendix .....................................................................................................................................................72
11-1. Definition of terms................................................................................................................................ 72
11-2. Calibration history/various trend/event history functions..................................................................... 72
11-3. Gas alarm (optional function) ..............................................................................................................74

1 Outline of the Product Definition of DANGER, WARNING, CAUTION and NOTE
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Note that measurement results of the gas monitor are not intended to guarantee life or safety in any
way.
Check the specifications before use and conduct gas measurement properly in accordance with
purposes.
In addition to this operating manual, an operating manual for the data logger management program
(option) is available for the gas monitor. Please contact RIKEN KEIKI if it is needed.
Definition of DANGER, WARNING, CAUTION and NOTE
Throughout this manual, the following indications are used to ensure safe and effective work.
DANGER
This message indicates that improper handling may cause serious
damage on life, health or assets.
WARNING
This message indicates that improper handling may cause serious
damage on health or assets.
CAUTION
This message indicates that improper handling may cause minor
damage on health or assets.
NOTE This message indicates advice on handling.

3. Product Components 3-1. Main unit and standard accessories
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3
Product Components
3-1. Main unit and standard accessories
Unpack and check the main unit and accessories.
If any part is missing, contact RIKEN KEIKI.
Main unit
See ʻNames and functions for each partʼ(P. 16) for names and functions of each part of the gas monitor
and LCD display.
<RX-8500 main unit>
<RX-8700 main unit>

3. Product Components 3-1. Main unit and standard accessories
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Accessories
Lithium ion battery
unit (BUL-8000)
: 1 pc
AC adapter for
charging
: 1 pc
Filter tube and
relay tube: 1 pc
Filter tube and
relay tube: 1 pc
Absorbing tube fixing
belt: 2 pcs Shoulder strap
: 1 pc
CO2removal filter
(CF-283): 1 pc
(RX-8500 only)
Zero filter fixing belt
: 1 pc (RX-8500 only)
Product warranty
Operating manual