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We want to express our hearty welcome to you for visiting GAS DNA.The Company is a professional manufacturer of gas detectors and smoke detectors.The purpose to use gas detectors is to prevent the possible safety accidents that can be occurred in the environment where various kinds of gases are used.GAS DNA developed various kinds of gas detectors to cover the whole range of gas area in sufficient consideration of the using environment in the practical industrial fields. Also, the Company developed smoke detectors to detect micro quantity of smoke by designing the safety function of precise industrial automation equipment with use of the smoke detectors that had been used for fire detection only.We will make every endeavor to prevent possible gas safety accidents in the industrial fields by manufacturing more accurate, rapid, and safe products based on the accumulated technology.
“High Technology “High Technology & Best Quality”& Best Quality”
GAS DNA is
We want to express our hearty welcome to you for visiting GAS DNA.The Company is a professional manufacturer of gas detectors and smoke detectors.The purpose to use gas detectors is to prevent the possible safety accidents that can be occurred in the environment where
GAS DNA developed various kinds of gas detectors to cover the whole range of gas area in sufficient consideration of the
Also, the Company developed smoke detectors to detect micro quantity of smoke by designing the safety function of precise industrial automation equipment with use of the smoke detectors that had been used for fire detection only.We will make every endeavor to prevent possible gas safety accidents in the industrial fields by manufacturing more accurate, rapid, and safe products based on the accumulated technology.
- Executives & Employees of GAS DNA -
“High Technology “High Technology
§ Development and manufacture of industrial detector of special (flammable/toxic) gases
§ Development and manufacture of industrial smoke & odor detector
§ Development and manufacture of LNG/LPG gas detector
§ Development and manufacture of IAQ (Indoor Air Quality) measurement gas detector
§ Development and manufacture of gas detection system for research facility and laboratory
§ Development and manufacture portable gas detector
§ Development and manufacture of gas sensor
§ Development and manufacture automatic control safety equipment
§ Development of central gas monitoring system and operation program
GAS DETECTION GAS DETECTION SYSTEMSYSTEM
Introduction of Business
Development and manufacture of industrial detector of special (flammable/toxic) gases
Development and manufacture of industrial smoke & odor detector
Development and manufacture of LNG/LPG gas detector
Development and manufacture of IAQ (Indoor Air Quality) measurement gas detector
Development and manufacture of gas detection system for research facility and laboratory
Development and manufacture portable gas detector
Development and manufacture of gas sensor
Development and manufacture automatic control safety equipment
Development of central gas monitoring system and operation program
GAS DETECTION GAS DETECTION SYSTEMSYSTEM
Introduction of Business
GAS DetectorGAS Detector
DA-750 Series
u Auto-Suction TypeAs the leaked gas may continuously be sucked and detected at the field with use of a micropump, gas may efficiently be detected in the environment where gas sensor cannot be installed or the management is difficult.
u Digital ProcessWide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently detected.
u LCD Display With BackDetected level is shown in LCD for prompt identification of level even in dark environment.
u Isolation CircuitAn isolation circuit is installed in the circuit for efficient blocking of electric noise and improved stability of sensor output.
u Signal-OutputThe signals are smoothly transmitted by various output methods including DC 4Relay Contact, and RS
u Detection of combusitible,oxygen & toxic gas form low to high concentration owing to variousdetection principle.
NH3
10.0
POWER
UP
RESET
TEST
Item DA-750.Series
Detection MechanismCatalytic,Electro-chemical,Ndir(Non-Dispersive Infrared ) ,PID(
Detection Type Suction Type
Input Power DC 20~32V
Suction Flow Rate 1.0 ~ 2.5 liter/min
Accuracy £ ±3%/Full Scale
Output Signal 4-20㎃ DC/F.S,RS-485
Gas Leak Data Saving Gas leak data saving: 4,000 files
Level DisplayGraphic LCD (128Dots*64Dots) :- Free setting of unit in PPM, %LEL
Warning Display Low level warning – AL1,AL2 - LED(RED)
Warning Value Setting AL1,AL2- 2 steps –free selection by
Warning Delay Time User’s free selection in the range of
Relay Output 2-step (AL1/AL2) Warning Relay
Operation Temperature and Humidity -20℃ ~ 50℃,5 ~ 95%RH (Non-Condensing)
Installation Method Wall Mounting Type
Signal Cable CVVS & CVVSB 1.25sp*3 Wire-Shield
Gas Suction 6Ø Tube
Specific Features
Specification
Dimension
SMART
Front View
Suction TypeAs the leaked gas may continuously be sucked and detected at the field with use of a micro-pump, gas may efficiently be detected in the environment where gas sensor cannot be installed or the management is difficult.
Digital ProcessWide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently detected.
LCD Display With Back-LightDetected level is shown in LCD for prompt identification of level even in dark environment.
Isolation CircuitAn isolation circuit is installed in the circuit for efficient blocking of electric noise and improved stability of sensor output.
OutputThe signals are smoothly transmitted by various output methods including DC 4-20㎃, 2-Step Relay Contact, and RS-485.
Detection of combusitible,oxygen & toxic gas form low to high concentration owing to variousdetection principle.
PPM
10.0F
L
O
W
POWER FAULT AL1 AL2
MODE
DOWN ENT
UP DOWM
MOTOR
정면도 측면도
,PID(Photoionization)
Free selection of Korean or English manualLEL , or %
LED(RED)
by users
of 0~99 sec
Contact
Condensing)
Shield Type
Specific Features
SMART – Suction Gas Detector
Front View Side View
Item DA-50.Series
Detection Mechanism Catalytic,Electro-Chemical,NDIR:Non-Dispersive Infrared,PID
Detection Type Diffusion Type
Input Power DC 20~32V
Accuracy ± 3%/Full Scale
Output Signal 4-20mA,2Step-Relay(AL1,AL2),
Level Display LCD(8Characters*2Line) With Back
Warning Display AL1,AL2-LED Display
Signal Output 4-20mA, RS-485
Relay Output 2Step-Relay(AL1,AL2)
Signal Cable Cvvs &Cvvsb 1.25SQ*3Wire-Shild
Operation Temperature and Humidity -20℃~50℃, 5~90% RH(Non-Condensing)
Specification
Specific Features
u Digital ProcessWide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently detected.
u LCD Display With BackDetected level is shown in LCD at real time for prompt identification of level even in dark environment.
u User Selection MenuThe user may choose calibrated gas level, detection range, alarm relay, and communication method with use of micro processor.
u Signal-OutputThe signals are smoothly transmitted by various methods including DC 4contact, and Rs
u Anti-Corrosion TypeDA-50 series are anti corrosion type with polycarbonate housing.these detector can be installed in corrosive area and continuously detect oxygen & toxic gas
DA-50 Series SMART
Dimension
GAS DetectorGAS Detector
Infrared,PID(Photoionization)
RS-485
Back-light %,PPM,PPb
Shild Type
Condensing)
Specific Features
Digital ProcessWide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently detected.
LCD Display With Back-LightDetected level is shown in LCD at real time for prompt identification of level even in dark
User Selection MenuThe user may choose calibrated gas level, detection range, alarm relay, and communication method with use of micro processor.
OutputThe signals are smoothly transmitted by various methods including DC 4-20mA, 2step_relay contact, and Rs-485.
Corrosion Type50 series are anti corrosion type with polycarbonate housing.
these detector can be installed in corrosive area and continuously detect oxygen & toxic gas
SMART –Gas Detector
GAS DetectorGAS Detector
Item DA-500.Series
Detection MechanismCatalyst Combustion,NDIR(Non-Dispersive
Detection Type Diffusion
0 ~ 100%LEL,
Response Rate Within 30sec,
Accuracy ≤±3%/Full Scale
Level Display Back Light LCD(
Sensor Calibration Magnetic Switch
Selection Function Setting calibration
Input Power DC 20 ~ 30V,
Outside Output 4 ~ 20mA
Operation Temperature and Humidity -20℃~50℃, 5
Signal Cable CVVS & CVVSB
Cable Conduit 1/2" or 3/4" PF,
Installation Method Wall or Pipe Station
Outer Material Cast Aluminum
Anti-Explosion Certificate Ex d IIC T5 –
Output Option 2-Step Relay
Specific Features
u Digital ProcessWide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently detected.
u Non-Intrusive AutoThe inconvenience to open the cover of detection part for calibration work by applying magnetic switch mechanism to automatic calibration function of digital processor. This function is especially effective in the calibration work in the anti
u Self-Inspection Trouble of the product is checked by inspecting surrounding ICs.
u LCD Display With BackDetected level is displayed in LCD at real time for prompt identification of level and automatic backlight function is installed for easy identification of level even in the dark environment.
u User Selection MenuThe user may configure the function suitable to using environment with choosing calibrated gas level and detection range with use of micro processor.
u Signal-OutputThe signals are smoothly transmitted by various output methods including sm2wire loop powered, 2Step Relay Contact (Option), and RS
DA-500 Series SMART
Specification
DimensionNH3
10 PPM
Series
Combustion, Electro-ChemicalDispersive Infrared),PID(Photoionization)
LEL, 0~PPM,%,PPb
sec, 90%/Full Scale
Scale
LCD(8Characters*2Line)
Switch
calibration level and detection range
V, RS-485,2wire powered (order base)
5~95% RH (Non-Condensing)
CVVSB 1.25sq x 3 Wire - Shield Type
PF, NPT
Station
Aluminum Alloy
Testing Laboratory (KTL)
Contact (High/Low), RS-485
Specific Features
Digital ProcessWide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently detected.
Intrusive Auto-Calibration With Magnetic SwitchThe inconvenience to open the cover of detection part for calibration work by applying magnetic switch mechanism to automatic calibration function of digital processor. This function is especially effective in the calibration work in the anti-explosive area. (Zero, Span)
Inspection Trouble of the product is checked by inspecting surrounding ICs.
LCD Display With Back-LightDetected level is displayed in LCD at real time for prompt identification of level and automatic back-light function is installed for easy identification of level even in the dark environment.
User Selection MenuThe user may configure the function suitable to using environment with choosing calibrated gas level and detection range with use of micro processor.
OutputThe signals are smoothly transmitted by various output methods including sm2wire loop powered, 2-Step Relay Contact (Option), and RS-485 (Option).
SMART – Anti-Explosive Gas Detector
Item DA-100.Series
Detection Mechanism Catalyst Combustion,
Detection Type Diffusion
0 ~ 100%LEL, 0~PPM,
Response Rate 30초 이내, 90%/Full
Accuracy ≤±3%/Full Scale
Selection Function Setting calibration
Input Power DC 20 ~ 30V
Outside Output 4 ~ 20mA/Full Scale
Operation Temperature and Humidity -20℃~50℃, 5~95
Signal Cable CVVS & CVVSB
Cable Conduit 1/2" or 3/4" PF, NPT
Installation Method Wall or Pipe Station
Outer Material Cast Aluminum Alloy
Anti-Explosion Certificate Ex d IIC T5 – Testing
u Digital Process : process based on micro processor and gas may be more conveniently, accurately, and efficiently detected.
u Calibration : method with use of the calibration function of digital process. (Zero, Span)
u 4-20㎃ Transmitter : current signal (4
u Level Display (FND)with use of internal FND displayer.
u DA-100 Series has flame proof structure and can be installed in explosion hazardous area,explosive gas might be present in, and continuously detects combustible gas,oxygen and toxic gas.
DA-100 Series Anti-
Specific Features
Specification
Dimension
GAS DetectorGAS Detector
X
EG
A
XD
II CT5
RM O
M
4v
OED
S
LDA-100
.E
NDAD-0
1-00
1
ww
w. g
asdn
a.
p
m
r2 co
e
wo
E2-
TH
DS
E/G
TC
Combustion, Electro-Chemical
~PPM,%
/Full Scale
calibration level and detection range
Scale - 2.5Km Transmittance
95% RH (Non-Condensing)
1.25sq x 3 Wire - Shield Type
NPT
Station
Alloy
Testing Laboratory (KTL)
Digital Process : Wide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently detected.
Calibration : Calibration work may be performed by a person by one-touch convenient method with use of the calibration function of digital process. (Zero, Span)
Transmitter : Stable long-distance (2.5㎞) transmittance is possible with standard current signal (4-20㎃) output.
Level Display (FND) : Current level may be identified with opening the cover at the field with use of internal FND displayer.
100 Series has flame proof structure and can be installed in explosion hazardous area,explosive gas might be present in, and continuously detects combustible gas,oxygen and
-Explosive Gas Detector
Specific Features
Monitoring Unit of Gas DetectorMonitoring Unit of Gas Detector
Item GMS - 1000
Receiver Structure 1-Point 1-Circuit
Input Power AC 230V/60Hz & AC 110V/60
Input Signal 4 ~ 20㎃ DC/F.S
Output Power DC 24V(250㎃)
Output Signal 4 ~ 20㎃ DC/F.S
Level Display %LEL, %, PPM,PPb
Warning Display
AL1 Led(Red)
AL2 Led(Red)
Trouble Warning - Fault Led
Warning TypeVisual – LED Lighting
Audible – Buzzer Sound (≥80
Warning Level AL1/AL2 2-Step Warning Levels
Warning Delay Time User’s free selection in the range
Warning Release Manual and Automatic Recovery
Warning Output 2-Step (AL1/AL2) Relay Contact
Operation Temperature -30℃ ~ 60℃
Operation Humidity 5 ~ 95%RH (Non-Condensing)
Outer Structure P.C (Poly Carbonate)
Installation Method Wall-Mount
u Single Channel Gas Monitoring Unit : detector to receive the signals and display the detected level and performs remote gas monitoring function by giving a warning if the level exceeds a certain level.
u Digital Process : micro processor and gas may be more conveniently, accurately, and efficiently monitored.
u Digital Display :
u User Selection Menu : functions for warning level setting, warning delay setting, and detection range setting by micro processor.
u Self-Inspection : generated with LED lighting in case of trouble, and Fault R/C (contact point) is outputted and transmitted outside for prompt measures.
u Signal-Output :and 2-Step Relay Contact.
GMS-1000 Monitoring Unit of 1
Specific Features
Specification
Dimension
Monitoring Unit of Gas DetectorMonitoring Unit of Gas Detector
60Hz
(Yellow), 2㎃
80㏈)
Levels – Free selection by user
range of 0~99 sec
Recovery
Contact
Condensing)
Single Channel Gas Monitoring Unit : The product is connected with one set of flammable or toxic gas detector to receive the signals and display the detected level and performs remote gas monitoring function by giving a warning if the level exceeds a certain level.
Digital Process : Wide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently monitored.
Digital Display : Excellent recognizing 4-digit FND is used for easy identification of level.
User Selection Menu : The user may configure optimum gas monitoring system with use of the functions for warning level setting, warning delay setting, and detection range setting by micro processor.
Inspection : System status is automatically inspected by digital process, warning sound is generated with LED lighting in case of trouble, and Fault R/C (contact point) is outputted and transmitted outside for prompt measures.
Output : The signals are smoothly transmitted by various output methods including DC 4-20㎃Step Relay Contact.
Monitoring Unit of 1-Point Gas Detector
Specific Features
Monitoring Unit of Gas DetectorMonitoring Unit of Gas Detector
Item GMS-1500
Receiver Structure Multi-Point (4 connected detectors) / 4-circuit
Input Power AC 230V/60Hz & AC 110V/60Hz
Input Signal 4-20㎃ DC/F.S
Output Power DC 24V(250㎃)
Output Signal 4-20㎃ DC/F.S
Level Display LCD Display – User’s free selection of unit
Warning Display
Low level warning – AL1 LED (Red)
High level warning – AL2 LED (Red)
Trouble Warning - FAULT LED (Yellow)
Warning TypeVisual – LED Flash
Audible – Buzzer Sound (≥80㏈)
Warning Value Setting AL1/AL2 2-Step Warning – Free selection
Warning Delay Time User’s free selection in the range of 0~99
Warning Release Manual and Automatic Recovery
Warning Output 2-step (AL1/AL2) Warning Relay Contact
Operation Temperature -10℃ ~ 50℃
Operation Humidity 5 ~ 95%RH (Non-Condensing)
Outer Structure P.C (Poly Carbonate)
Installation Method Wall-Mount
u 4-Channel Gas Monitoring Unit : gas detector to receive the signals and display the detected level and performs remote gas monitoring function by giving a warning if the level exceeds a certain level.
u Digital Process : based on micro processor and gas may be more conveniently, accurately, and efficiently monitored.
u Digital Display :
u User Selection Menu : functions for warning level setting, warning delay setting, and detection range setting by micro processor.
u Self-Inspection : generated with LED lighting in case of trouble, and Fault R/C (contact point) is outputted and transmitted outside for prompt measures.
u Signal-Output :DC 4-20㎃, 2-Step Relay Contact, and RS
GMS-1500 Monitoring Unit of 4
Specific Features
Specification
Dimension
Monitoring Unit of Gas DetectorMonitoring Unit of Gas Detector
circuit
unit in PPM, %LEL , %, or PPb
selection by user
sec
Contact
Channel Gas Monitoring Unit : The product is connected with four sets of flammable or toxic gas detector to receive the signals and display the detected level and performs remote gas monitoring function by giving a warning if the level exceeds a certain level.
Digital Process : Wide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently
Digital Display : Excellent recognizing 4-digit FND is used for easy identification of level.
User Selection Menu : The user may configure optimum gas monitoring system with use of the functions for warning level setting, warning delay setting, and detection range setting by micro
Inspection : System status is automatically inspected by digital process, warning sound is generated with LED lighting in case of trouble, and Fault R/C (contact point) is outputted and transmitted outside for prompt measures.
Output : The signals are smoothly transmitted by various output methods including Step Relay Contact, and RS-485 (Option).
Monitoring Unit of 4-Channel Gas Detector
Specific Features
Front View
Side View Plane View
Monitoring Unit of Gas DetectorMonitoring Unit of Gas Detector
SectionGMS - 2000
Warning Unit
Control Structure Warning Unit : Monitoring Unit =1:1 ~ 64
Extension Structure Slide Card Type
Input Power AC 230V / 60Hz & AC 110V/60Hz
Output Power
Input Signal
Output Signal
Level Display
Power Display Power Supply Display - Power LED (Green)
Warning Display Alarm Led (Red)
Warning TypeVisual – Alarm LED Flash
Auditory - Buzzer Sound (≥ 80㏈)
Warning Level
Warning Delay Time
Warning Release Manual and Automatic Recovery
Warning OutputHigh / Low 2-Step Warning SPDT RelayFault Warning SPDT Relay Output
Operation Temperature andHumidity
-20℃ ~ 50℃, 5 ~ 95%RH (Non-Condensing)
Outer Structure 19”(3U) Unit - Aluminum, System Outbox
Output Option RS-485
u Multi-Channel Gas Monitoring Unit :toxic gas detectors installed at the field by oneperform central gas monitoring function.
u Digital Process : on micro processor and gas may be more conveniently, accurately, and efficiently monitored.
u Digital Display : change may easily be identified on the displayed bar
u User Selection Menu : functions for warning level setting, warning delay setting, and detection range setting by micro processor.
u Self-Inspection : generated with LED lighting in case of trouble, and Fault R/C (contact point) is outputted and transmitted outside for prompt measures.
u Signal-Output :2-Step Relay Contact, and RS
GMS-2000 Monitoring Unit of Multi
Specific Features
Specification
Dimension[ Power ]
Monitoring Unit of Gas DetectorMonitoring Unit of Gas Detector
Monitoring Unit
64 Monitoring Unit : Detector = 1:1
DC 24V(250㎃)
4 ~ 20㎃ DC/F.S
4 ~ 20㎃ DC/F.S , RS-485(Option)
%LEL,%, PPM,PPb
(Green)
AL1 Led (Red)
AL2 Led (Red)
Trouble Warning - Trouble LED (Yellow)
Visual – Corresponding Warning LED Flash
AL1/AL2 2-Step Warning Levels – Free selection by user
User’s free selection in the range of 0~99 sec
Relay Output
Condensing)
Outbox - Metal Case
Channel Gas Monitoring Unit : Two or more monitoring units connected with flammable or toxic gas detectors installed at the field by one-by-one method are connected with one warning part to perform central gas monitoring function.
Digital Process : Wide range of artificial intelligence is embodied through the digital process based on micro processor and gas may be more conveniently, accurately, and efficiently monitored.
Digital Display : Excellent recognizing 3-digit FND is used for easy identification of level and the level change may easily be identified on the displayed bar-graph level.
User Selection Menu : The user may configure optimum gas monitoring system with use of the functions for warning level setting, warning delay setting, and detection range setting by micro
Inspection : System status is automatically inspected by digital process, warning sound is generated with LED lighting in case of trouble, and Fault R/C (contact point) is outputted and transmitted outside for prompt measures.
Output : The signals are smoothly transmitted by various output methods including DC 4-20㎃, Step Relay Contact, and RS-485 (Option).
Monitoring Unit of Multi-Point Gas Detector
Specific Features
[ Flammable ] [ Toxic ]
Item SD - 110
General Type 2-Channel Monitoring
Product Type Wall-Mount Type
Detection Mechanism Ionizations Smoke Chamber
Detection Type Diffusion
Response Time Within 3sec
0 ~ 5.00 Foot
Outside Output 4 ~ 20㎃
Input Power DC 20 ~ 30V
Warning Type AL1,AL2 Two Step Alarm – User’s
Warning Release Method Manual or Automatic – User’s
Signal Cable CVVS & CVVSB 1.25sq x 3
Currency 200㎃.Maximum
System Initialization Within 30sec
Outer Structure Monitoring Unit - Metal, Sensor
Operation Temperature and Humidity -20℃~ 50℃ / 0 ~ 95% RH (Non
Process Type Digital Process
u Low-Level Smoke Detection :precise industrial automatic equipment and is suitable to detect micro quantity of smoke.
u Digital Process :optimum warning function may be configured to maximize the detection efficiency.
u Ionization Sensor :is combined with the ion zone formed by radiation has excellent sensitivity and may rapidly detect even small level of smoke.
u LCD Display With Backidentification of level and automatic backlevel even in the dark environment.
u Local Alarm :exceeds warning level, not less than 80dB of warning noise is generated to notice the generation of smoke.
u User Selection Menu :configuration to meet the purpose of use. The functions such as warning level setting, detection range setting, and warning release method setting are sufficiently used to maximize the detection efficiency.
u Self-Diagnostic :fault is generated, it is automatically detected and the fact is noticed by as display of wire breaking in the LCD.
u 2–Channel Detection :extend the detection space.
SD-110 SMART – Smoke Detector
Specific Features
Specification
Dimension
Smoke DetectorSmoke Detector
SD - 110
Smoke Detector
Gas D&A CO.
User’s free setting
User’s free selection
Wire - Shield Type
Sensor Unit - Aluminum
(Non-Condensing)
Level Smoke Detection : The product is designed to support eth safety function of precise industrial automatic equipment and is suitable to detect micro quantity of smoke.
Digital Process : Wide range of artificial intelligence is provided by micro processor and optimum warning function may be configured to maximize the detection efficiency.
Ionization Sensor : Ionization sensor using the change in current which is made when smoke is combined with the ion zone formed by radiation has excellent sensitivity and may rapidly detect even small level of smoke.
LCD Display With Back-Light : Detected level is displayed in LCD at real time for prompt identification of level and automatic back-light function is installed for easy identification of level even in the dark environment.
Warning level may be set with use of micro processor and, when detected level exceeds warning level, not less than 80dB of warning noise is generated to notice the generation of smoke.
User Selection Menu : Wide range of artificial intelligence is provided by micro processor for configuration to meet the purpose of use. The functions such as warning level setting, detection range setting, and warning release method setting are sufficiently used to maximize the detection efficiency.
Diagnostic : Sensor output is automatically inspected by micro processor and, when a fault is generated, it is automatically detected and the fact is noticed by by the method such as display of wire breaking in the LCD.
Channel Detection : Up to two ionization sensors may be monitored at the same time to extend the detection space.
Smoke Detector
Specific Features
GAS DetectorGAS Detector
C-910C Woolim Lions valley, 425 Cheongcheon_dong, bupyeong_gu, Incheon, KoreaTEL : 032-623-7507 | FAX : 032-623-
910C Woolim Lions valley, 425 Cheongcheon_dong, bupyeong_gu, Incheon, Korea-7510 | eMail : [email protected]