Riken Keiki SD-1DRI, Руководство по эксплуатации

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10 Product Specifications 10-1. List of specifications
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10
Product Specifications
10-1. List of specifications
Model SD-1DRI
Type
TYPE MED EX
Detection principle Non-dispersive infrared absorption method
Detection gas Combustible gas/Toxic gas
Gas concentration display LED(4digits
・
7segments)
Detection range Depend on detection gas
Resolution Depend on detection gas
Detection method Suction method (pour into by external unit)
Suction flow 1.0±0.5L/min
Alarm setpoints Depend on detection gas
Power display POWER lamp lighting(green)
Output Gas concentration signal (4-20mA output)
Alarm accuracy
(under an identical condition) Within ±25% to the alarm setpoints value
Alarm-delay time
(under an identical condition) Within 30sec
(when introducing 1.6 times thicker gas than alarm setpoints value)
Gas alarm type Single alarm(H)
Gas alarm display ALM lamp lighting(red)
Gas alarm pattern Auto-recover
Fault alarm ・ Self diagnosis System failure (E-9)/Sensor failure (E-1)
Fault alarm display FAULT lamp lighting(yellow)/Error number display
Fault alarm pattern System failure : Self-latching
Sensor failure : Auto-recover
Transmission scheme Three-wire analog transmission(in common with power supply<power supply,signal,common>)
or Two-wire analog transm digital transmission(HART communication)
Transmission specification 4 - 20mADC(linear ・ load resistance less than 300 Ω )
Communication scheme HART 7 (For maintenance function only)
Transmission cable CVVS worth of shield cable(1.25mm 2 )
･
4-core or 3-core
CVVS worth of shield cable(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
Functions Alarm delay/Suppress/HART communication
Power supply
24VDC
±
10%
Power consumption MAX.2W
Cabling port Adapter A<NPT1/2> or adapter B<NPT3/4> or adapter <M20 × 1.5> or
Pressure proof packing gland <G3/4> (Compat ble cables φ 9.6 - 13.0mm in outer diameter)
Piping port
Rc1/8(with BS half union<for Cu pipe> or SUS half union<for SUS pipe>
or PP half union<for PTFE pipe> for O.D
φ 6-1t)
Initial clear Approx.25sec
Operating temperature range*
-20 to +60
℃
(non-rapidly-vary)
Operating humidity range Less than 95%RH (non-condensing)
Operating pressure range* 80 to 120kPa
Storage temperature range
-25 to +60 ℃ (non-rapidly-vary, non-condensing)
Structure Wall mounting type
Explosion protected
construction Flame proof structure
Explosion-proof class Ⅱ 2G Ex db Ⅱ C T6 Gb(ATEX) / Ex db Ⅱ C T6 Gb(IECEx)
Dimensions Approx.148(W)×177(H)×88(D)mm(projection portions excluded)