10 Product Specifications
10-1. List of specifications
- 53 -
<TIIS Specifications>
Model SD-1DEC
Detection principle
Electrochemical method
Detectable gas
H2S/CO
Gas concentration
display
LED(4digits
・
7segments)
Measuring range
H2S
:
0 - 30ppm or 0 - 50ppm or 0 - 100ppm
CO
:
0 - 75ppm or 0 - 150ppm or 0 - 200ppm or 0 - 250ppm or 0 - 300ppm
Resolution
Depend on measuring range
Detection method
Suction method(pour into by external unit)
Suction flow
1.5±0.1L/min
Alarm preset point
Depend on Detectable gas
Power indication
POWER lamp lighting(green)
Output
Gas concentration signal
Alarm contact(Gas alarm or Trouble alarm or Gas
・
Trouble common alarm)
Alarm accuracy
(under an identical condition)
Less than ±30% to the alarm setpoint value
Alarm-delay time
(under an identical condition)
Less than 30sec(when introducing 1.6 times thicker gas than alarm preset point)(without
piping delay time)
Gas alarm type
Single alarm(H)
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
Alarm contact
No-voltage contact 1a
Non-exciting at normal(exciting at alarm) or exciting at normal(non-exciting at alarm)
Contact capacity
250VAC - 0.5A/30VDC - 0.5A(resistive load)
Transmission scheme
Three-wire analog transmission
(in common with power supply<power supply,signal,common>)
Specification of
transmission
4 - 20mA DC (linear/load resistance less than 300
Ω
)
Transmission cable
CVVS1.25 mm
2
or 2.0mm
2
- 3-core(when the contact is not used)
CVVS1.25 mm
2
or 2.0mm
2
- 5-core(when the contact is used)
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
24 VDC±10%
Power consumption
MAX.1.1W
Cabling port
Flame proof packing method<G3/4>(Compatible cables
φ
9.6
~
13.0mm in outer
diameter )
Piping port
Rc1/8(with PP elbow union for O.D
φ
6-1t
・
PTFE pipe)
Initial clear
Approx.25sec
Operating temperature
-10 - +40
℃
(non-rapidly-vary)
Operating humidity
30 - 80%RH(non-condensing)
Structure
Wall mounting type
Explosion-proof
structure
Flame proof structure
Explosion-proof grade
Ex d
Ⅱ
C T6 X(TIIS<Japan>)
Outer dimension
Approx.148(W)×200(H)×88(D)mm(projection excluding)
Weight Approx.2.6kg
Color Munsell
7.5BG5/2
Содержание SD-1DEC
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Страница 56: ...10 Product Specifications 10 1 List of specifications 54 Outline Drawings...
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