Riken Keiki SD-1DOX-AS, Руководство по эксплуатации

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10 Product Specifications 10-1. List of specifications
- 57 -
<ATEX/IECEx
・
Gas monitoring specifications>
Model SD-1DOX-AS
Type TYPE
H
Detection principle Galvanic cell method
Detectable gas O2
Applicable gas detector head SD-1DOX
Gas concentration display
LED(4digits
・
7segments)
Measuring range 0 - 5vol%/0 - 10vol%/0 - 25vol%/0 - 50vol%/0 - 100vol%
Detection method Aspirator suction type
Sampling condition
Atmosphere equivalent (Compressed air
：
0.1 - 0.7MPa
・
Consumption Max.
3L/min ＜ Atmospheric conversion ＞ )
Suction flow
1.5 ± 0.1L/min
Alarm preset point Depend on measuring range
Power indication POWER lamp lighting(green)
Indicate accuracy
(under an identical condition)
Within ±0.7vol%(below 25vol% range)
Within ±3vol%(above 25vol% range)
Response time
(under an identical condition)
Within 30sec(T90)(without piping delay time)
Gas alarm type Single alarm(H or L)
Gas alarm indication ALM lamp lighting(red)
Gas alarm action Auto-recover
Trouble alarm
・
Self
diagnosis
System failure/Sensor failure
Trouble alarm indication FAULT lamp lighting(yellow)/content display
Trouble alarm action Auto-recover
Transmission scheme Two-wire analog transm digital transmission(HART communication) or
Three-wire analog transmission(in common with power supply<power
supply,signal,common>)
Specification of
Transmission DC4 - 20mA
(linear
・ load resistance less than 300 Ω )
Communication scheme HART7
Transmission cable CVVS 1.25 mm 2 - 4-core or 3-core
CVVS 2.0mm 2 - 4-core or 3-core
Transmission distance Less than 1.25km in case of CVVS 1.25mm
2
Less than 2.0km in case of CVVS 2.0mm 2
Power supply
DC24V
±
10%
Power consumption MAX.1.1W
Cable connecting port Adapter A<NPT1/2> or adapter B<NPT3/4> or
Pressure proof packing gland <G3/4> (Compatible cables
φ 9.6 - 13.0mm in
outer diameter)
Tube connecting port
*1
Gas inlet ： Rc1/4(with PP union<for PTFE pipe> for O.D φ 6-1 ｔ )
Gas outlet
：
Bs union(for Cu pipe) for O.D
φ
8-1
ｔ
Compressed air inlet ： BS union(for Cu pipe) for O.D φ 8-1 ｔ
Initial clear Approx.25sec
Operating temperature
-10 - +40
℃
(non-rapidly-vary)
Operating humidity Less than 95%RH(non-condensing)
Structure Wall mounting sampling unit
Explosion-proof structure Flame proof structure
Explosion-proof grade
Ⅱ
2G Ex db
Ⅱ
C T6 Gb(ATEX) / Ex db
Ⅱ
C T6 Gb(IECEx)
Outer dimension Approx.400(W)×265(H)×102(D)mm(projection excluding)
Weight Approx.6.3kg
Color Munsell
7.5BG5/2
*1 When a half-union for gas IN side is changed, check also the external filter (IN/OUT diameter) carefully.