RSE-0545-1
GAS DETECTOR WITH SIGNAL CONVERTER
SD-1DOX(ATEX･IECEx/Anoxia alarm) SPECIFICATION
ModelDetection principle
Detectable gas
Gas concentration display
Measuring range
Detection method
Suction flow
Alarm preset point*1
Power indication
Output*1
Indicate accuracy*2

SD-1DOX
Galvanic cell method
O2
LED(4digits・7segments)
0～25vol%
Suction method(pour into by external unit)
1.5±0.5L/min
18vol%(L)【Standard】
POWER lamp lighting(green)
Gas concentration signal
Alarm contact(Gas alarm or Trouble alarm or Gas・Trouble common alarm)
Within ±0.7vol%(under an identical condition)

Accuracy of Alarm setpoint*2
Response time*2

Difference between Alarm setpoint and indicated value of warning alarm
are zero.
Within 30sec(T90)(without piping delay time)(under an identical condition)

Alarm accuracy*2

Within ±1vol% to the alarm setpoint value(under an identical condition)

Alarm-delay time*2(under an identical condition)

Gas alarm typeGas alarm indication
Gas alarm action
Trouble alarm・Self diagnosis
Trouble alarm indication
Trouble alarm action
Alarm contact*1
Contact capacity
Transmission scheme
Specification oftransmissionTransmission cable

Transmission distancePower supply
Power consumption
Cabling port*1

Piping port
Initial clear
Operating temperature
Operating humidity
Structure
Explosion-proof structure
Explosion-proof grade
Outer dimension
WeightColor

By anoxia alarm(Alarm setpoint value：18vol%),Within 5sec(whenintroducing 10～11vol% gas)(without piping delay time)Single alarm(L)ALM lamp lighting(red)Auto-recover
System failure/Sensor failure
FAULT lamp lighting(yellow)/content display
Auto-recoverNo-voltage contact 1a・Non-exciting at normal(exciting at alarm) orexciting at normal(non-exciting at alarm)
AC250V・0.5A/DC30V・0.5A(resistive load)
Three-wire analog transmission(in common with power supply<power supply, signal, common>)DC4～20mA(linear・load resistance less than 300Ω)
CVVS worth of shield cable(1.25mm2 or 2.0mm2)・3-core(by not using alarm contact)
CVVS worth of shield cable(1.25mm2 or 2.0mm2)・5-core(by using alarm contact)
Less than 1.25km
DC24V±10%MAX.1.1W
Pressure proof packing gland<G3/4>(Compatible cables φ9.6～10.5mm in outer diameter and rubber seals
φ11mm in inner diameter<mounted>)(Compatible cables φ11.5～12.5mm in outer diameter and rubber seals
φ13mm in inner diameter<accessory)or Adapter A<NPT1/2> , Adapter B<NPT3/4>
Rc1/8(with PP elbow union for O.Dφ6-1t・PTFE pipe)
Approx.25sec-10～+40℃(non-rapidly-vary)Less than 95%RH(non-condensing)
Wall mounting type
Flame proof structure
Ⅱ 2G Ex db ⅡC T6 Gb(ATEX) / Ex db ⅡC T6 Gb(IECEx)
Approx.148(W)×205(H)×88(D)mm(projection excluding)Approx.2.9kg
Munsell 7.5BG5/2*1 Please specify your request when ordering.
*2 In conformity to JIS T8201 2010(Oxygen deficiency indicator).

RSE-0545-1
Outline Drawings

Adapter A (NPT1/2)

Terminal Drawings

DC24V

4-20mA

DC+１－(common)

２Sig+

３Alarmcontact

４Alarmcontact５

RSE-0686-1
GAS DETECTOR WITH SIGNAL CONVERTER
SD-1DOX(ATEX･IECEx/Leak alarm) SPECIFICATION
Model
Detection principle
Detectable gas
Gas concentration display
Measuring range
Detection method
Suction flow
Alarm preset point*1
Power indication
Output*1
Alarm accuracy

SD-1DOX
Galvanic cell method
O2
LED(4digits・7segments)
0～50vol%
Suction method(pour into by external unit)
1.5±0.5L/min
25vol%(H)【Standard】
POWER lamp lighting(green)
Gas concentration signal
Alarm contact(Gas alarm or Trouble alarm or Gas・Trouble common alarm)
Within ±5vol% to leak alarm(Alarm setpoint value：25vol%)(under an identical condition)

Alarm-delay time
(under an identical condition)

Gas alarm typeGas alarm indication
Gas alarm action
Trouble alarm・Self diagnosis
Trouble alarm indication
Trouble alarm action
Alarm contact*1
Contact capacity
Transmission scheme
Specification oftransmission
Transmission cable

Transmission distancePower supply
Power consumptionCabling port*1

Piping port
Initial clear
Operating temperature
Operating humidity
Structure
Explosion-proof structure
Explosion-proof grade
Outer dimension
WeightColor

By leak alarm(Alarm setpoint value：25vol%),Within 30sec after providing
the gas 1.6 times(without piping delay time)Single alarm(H)ALM lamp lighting(red)Auto-recover
System failure/Sensor failure
FAULT lamp lighting(yellow)/content display
Auto-recoverNo-voltage contact 1a・Non-exciting at normal(exciting at alarm) orexciting at normal(non-exciting at alarm)
AC250V・0.5A/DC30V・0.5A(resistive load)
Three-wire analog transmission(in common with power supply<power supply, signal, common>)DC4～20mA(linear・load resistance less than 300Ω)
CVVS worth of shield cable(1.25mm2 or 2.0mm2)・3-core(by not using alarm contact)
CVVS worth of shield cable(1.25mm2 or 2.0mm2)・5-core(by using alarm contact)
Less than 1.25km
DC24V±10%MAX.1.1W
Pressure proof packing gland<G3/4>(Compatible cables φ9.6～10.5mm in outer diameter and rubber seals
φ11mm in inner diameter<mounted>)(Compatible cables φ11.5～12.5mm in outer diameter and rubber seals
φ13mm in inner diameter<accessory)or Adapter A<NPT1/2> , Adapter B<NPT3/4>
Rc1/8(with PP elbow union for O.Dφ6-1t・PTFE pipe)
Approx.25sec-10～+40℃(non-rapidly-vary)Less than 95%RH(non-condensing)
Wall mounting type
Flame proof structure
Ⅱ 2G Ex db ⅡC T6 Gb(ATEX) / Ex db ⅡC T6 Gb(IECEx)
Approx.148(W)×205(H)×88(D)mm(projection excluding)Approx.2.9kg
Munsell 7.5BG5/2*1 Please specify your request when ordering.

RSE-0687-1
GAS DETECTOR WITH SIGNAL CONVERTER
SD-1DOX(ATEX･IECEx/Gas monitoring) SPECIFICATION
ModelDetection principle
Detectable gas
Gas concentration display
Measuring range
Detection method
Suction flow
Alarm preset point*1
Power indication
Output*1
Indicate accuracy(under an identical condition)

Response time

SD-1DOX
Galvanic cell method
O2LED(4digits・7segments)
0～5vol%/0～10vol%/0～25vol%/0～50vol%/0～100vol%Suction method(pour into by external unit)
1.5±0.5L/min
Depend on measuring range
POWER lamp lighting(green)
Gas concentration signal
Alarm contact(Gas alarm or Trouble alarm or Gas・Trouble common alarm)
Within ±0.7vol%(below 25vol% range)
Within ±3vol%(above 25vol% range)
Within 30sec(T90)(without piping delay time)(under an identical condition)

Gas alarm type*1
Gas alarm indication
Gas alarm action
Trouble alarm・Self diagnosis
Trouble alarm indication
Trouble alarm action
Alarm contact*1
Contact capacity
Transmission scheme
Specification oftransmission
Transmission cable

Transmission distancePower supply
Power consumption
Cabling port*1
Piping port
Initial clear
Operating temperature
Operating humidity
Structure
Explosion-proof structure
Explosion-proof grade
Outer dimensionWeightColor

Single alarm(H or L)
ALM lamp lighting(red)Auto-recover
System failure/Sensor failure
FAULT lamp lighting(yellow)/content display
Auto-recoverNo-voltage contact 1a・Non-exciting at normal(exciting at alarm) orexciting at normal(non-exciting at alarm)
AC250V・0.5A/DC30V・0.5A(resistive load)
Three-wire analog transmission(in common with power supply<power supply, signal, common>)DC4～20mA(linear・load resistance less than 300Ω)
CVVS worth of shield cable(1.25mm2 or 2.0mm2)・3-core(by not using alarm contact)
CVVS worth of shield cable(1.25mm2 or 2.0mm2)・5-core(by using alarm contact)
Less than 1.25km
DC24V±10%MAX.1.1W
Flame proof packing method(Cable gland<G3/4> or Adapter A<NPT1/2> or Adapter B<NPT3/4>)
Rc1/8(with PP elbow union for O.Dφ6-1t・PTFE pipe)
Approx.25sec-10～+40℃(non-rapidly-vary)Less than 95%RH(non-condensing)
Wall mounting type
Flame proof structure
Ⅱ 2G Ex db ⅡC T6 Gb(ATEX) / Ex db ⅡC T6 Gb(IECEx)
Approx.148(W)×205(H)×88(D)mm(projection excluding)Approx.2.9kg
Munsell 7.5BG5/2*1 Please specify your request when ordering.