29
MODEL
： ＲＸ−４１５ （ＴＹＰＥ ＣＨ
４
）
Detection
principle
Galvanic cell
NDIR (Non-Dispersive Infrared method)
Detection gas
Oxygen (O2)
CH4
Calibration
gas
Oxygen Methane
Measurable
range
0-25vol%
(0.1vol%)
0-100%LEL / 0-100vol%
[
Dual auto range
]
(0.5%LEL) / (0.5vol%)
Increment Within
±
0.7%
±
5% of full scale (0-100%LEL)
±
5% of full scale (0-100vol%) or
±
10% of reading
(0-100vol%)
(Under same condition)
Response
time
Within 20 sec.
(T90,When sucked
from gas inlet)
Within 30 sec. (T90, When sucked from gas inlet)
Within 2 min. (T90, When sucked from end of 30m tube)
Sampling Suction
pump
Suction rate
Over 300ml / min.
Ambient temp/
Humidity
-10
℃〜
40
℃
/ below 90%RH (Non-condensing)
Power
source
Alkaline batteries (size C) 4 pcs
Continuous
operation time
Approx. 40 hours (No alarm / No light at 20
℃
)
Explosion
proof
EExdia
Ⅱ
BT3
Dimension/
weight
Approx. 200(W) x 80(H) x 142(D)mm / Approx. 2.0kg (Batt. included)
