RKI Instruments GD-K71D - Manual (Page 24)

PT2E-1052
23
５−４．Explanation of performance (Detection mode)
５−４−１．Display action
There are following two kinds of displays.
(1)LED display ：Shows gas concentrations.
(2)LED light
：Shows power/trouble (PW/TR), 1st gas alarm (AL1), 2nd gas alarm
(AL2) and skip(SKIP) condition.
*Contents of indications by LED light are different from the condition of the unit.
Action of LED light
○：Light off ●：Light on ◎：Flashing
Preparation
Power ON
Initial clear(Approx 25 sec.)
Detection mode
● ○ ○ ○
PW/TR ALM1 ALM2 SKIP
● ○ ○ ○
PW/TR ALM1 ALM2 SKIP
LED display
Only PW/TR light illuminates
at detection mode and LED
display shows detected gas
concentration.
Gas alarm condition
● ● ● ○
PW/TR ALM1 ALM2 SKIP
When detect gas above AL1,
AL2, it shows gas
concentrations and AL1, AL2
alarm lights turn ON.
If put OFF the power within 1 hour after flow adjustment, adjusted flow
rate cannot be memorized.
To memorize the adjusted flow rate, do not put OFF the power within
1 hour after flow adjustment.
＊ NOTE