28
6-2-2.Counteraction at gas alarm
Reaction to leak gas
The counteraction at gas alarm shall follow to the client rule and immediate action shall be required.
Generally, following action is taken.
① Confirmation of indication value.
② Based on oxygen deficiency control concentration, it keeps the safety by keeping away people from
monitoring area.
③ When oxygen deficiency concentration display is continued, ventilate around detector head and
confirm that oxygen concentration returns normal value.
④ Suppose that the oxygen deficiency condition is to remain and provide yourself with protection attire
and tool away from danger, go to the leak site and check the gas residual condition by portable gas
detector.
⑤ After checking that there is no danger, the treatment for gas leak shall be taken.
6-2-3.Gas alarm possibility except the case of gas detection
It may respond to interference gas
For interference gases, contact the nearest agent or RIKEN KEIKI.
It may be caused by drifting due to the change of long time elapsed sensor
Check the reading by daily check and make calibration through authorized service agent whenever
necessary.
It may be caused by the noise generated from spherical machine
Revision of installation location, wirings and the addition etc. of noise measure parts between instrument
and detector shall be required. This specific measures shall differ from the condition of each site.
It may receive a temporarily noise such as by thunder lightning etc.
When the cause and effects are understood, the measure for surge according to the condition can be
taken.
* NOTE
Instantaneous oxygen deficiency condition may return normal condition at confirmation time.
Except gas alarm, it gets alarm condition temporarily by noise or any other accidental
conditions.
Содержание OX-592
Страница 1: ...PT1E 0947 FOR USERS OPERATING INSTRUCTION MANUAL FOR INDICATOR ALARM UNIT OX 592 ...
Страница 5: ......
Страница 6: ......
Страница 8: ......
Страница 9: ......
Страница 20: ......
Страница 21: ......
Страница 22: ......
Страница 23: ......
Страница 24: ......
Страница 25: ......
Страница 26: ......
Страница 27: ......
Страница 36: ......