Riken Keiki SD-1D-AS, Operating Manual

Page: 63 / 69

10 Product Specifications 10-1. List of specifications
- 61 -
[SD-1D-AS (TYPE GP H)] <TIIS Specifications>
Model SD-1D-AS
Type
TYPE GP H
Detection principle Catalytic combustion
Gas to be detected Combustible gas
Applicable gas
detector head
SD-1D (TYPE GP H)
Concentration display LED(4digits
・
7segments)
Detection range 0 - 100%LEL
Resolution 0.5%LEL
Detection method
Aspirator suction method
Sampling condition
Atmosphere equivalent (Compressed air
：
0.1 - 0.7MPa
・
Consumption Max.
3L/min<Atmospheric conversion>)
Suction flow 0.8
±
0.1 L/min
Alarm setpoint 25% LEL [standard]
Power display POWER lamp lighting (green)
Alarm accuracy
(under
the same conditions)
Within ± 25% to the alarm setpoint value
Alarm delay time
(under
the same conditions)
Within 30sec(when introducing 1.6 times thicker gas than alarm setpoint
value)(without piping delay time)
Gas alarm type Single alarm(H)
Gas alarm display ALM lamp lighting(red)
Gas alarm pattern Auto-recover
Fault alarm/self
diagnosis
System failure/Sensor failure
Fault alarm display FAULT lamp lighting(yellow)/content display
Fault alarm pattern Auto-recover
Transmission system
Two-wire analog transm digital transmission(HART communication) or
Three-wire analog transmission(in common with power supply<power
supply,signal,common>)
Transmission
specifications
4 - 20 mA DC (linear/load resistance under 300 Ω )
Transmission cable
CVVS 1.25 mm 2 - 4-core or 3-core
CVVS 2.0mm
2
- 4-core or 3-core
Transmission distance
1.25km or less in case of CVVS 1.25mm 2
2.0km or less in case of CVVS 2.0mm
2
Power supply 24 VDC
±
10%
Power consumption MAX.3W
Cabling port
Pressure proof packing gland <G3/4> (Compatible cables
φ
9.6 - 13.0mm in outer
diameter)
Piping port
Gas inlet
：
Rc1/4(with BS half union<for Cu pipe> or SUS half union<for SUS pipe>
for O.D φ 6-1 ｔ )
Gas outlet
：
BS union(for Cu pipe) or SUS union(for SUS 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. 25 seconds
Operating
temperatures
-20 - +53ºC (non-rapidly-vary)
Operating humidities Below 95% RH (Non-condensing)
Structure Wall mounting sampling unit(Cu Specification or SUS Specification)
Explosion protected
construction
Flame proof structure
Explosion-proof class
Ex d
Ⅱ
C T5 X (TIIS Japan)
Dimensions Approx. 400 (W) x 265 (H) x 102 (D) mm
Weight Approx. 5.6kg
Color Munsell 7.5BG5/2
* When a half-union for gas IN side is changed, check also the external filter (IN/OUT diameter) carefully.