SI-301

Sampling Type Fixed Gas Detector

DESCRIPTION

SI-301 is an explosion-proof sampling type gas detector that remotely draws and measures sample gas in real time through a sensor cartridge inside the device. It is designed to help prevent or manage various gas-related incidents such as asphyxiation, poisoning, fire and explosion, or corrosion in hazardous areas across diverse industrial environments.

KEY FEATURES

- Flameproof (Explosion-Proof) Structure
- Cartridge-type Sensor: Easy Maintenance
- Built-in Flow Control Function
- 4-digit Digital Concentration and Flow Display
- Supports: 4-20mA / RS-485 / Ethernet

Product Specifications

Model	SI-301
Size	194(H) x 152.4(W) x 136(D) mm
Weight	4kg
Power Supply	DC : 24V ±10% PoE : 36V~57V (Typical : 48V)
Flow Rate	100~1000ml (Normal: 300~500ml/min)
Power Consumption	Approximately 5.0W
Display	FND, Gas Concentration, Flow, Alarm, Device Error
Relay	Low Alarm, High Alarm, Fault Alarm
Output	4~20mA
Digital Communication	RS-485, TCP Ethernet
Sampling Distance	Sampling Tube: Max 30m (FEP tube) Exhaust Tube: Max 30m (FEP tube)
Tube Specification	1/4” Teflon tube
Operating Temperature	-40℃ ~ +55℃
Explosion-proof Certification	KCs: Ex d IIC T6 Gb
Input & Configuration	4 Buttons, RS485, Ethernet, Wireless
Warranty (Device)	2 years
Warranty (Sensor)	1 year
Remote Interface	Ethernet, RS-485, HART (optional)
Wiring	4 to 20mA / DC Power / Relay: Max 14 AWG
Pressure Range	90 to 110kPa
Max. Sample Flow	Max 1,000ml
Max. Sample Pressure	3kPa

Sensor Specifications

Gas	Sensor	Range	Alarm 1	Alarm 2	Resolution
Oxygen (O₂)	Galvanic	0~30 %Vol	19 %Vol	23 %Vol	0.1 %Vol
Carbon Monoxide (CO)	Electrochemical	0~100 ppm	15 ppm	30 ppm	0.1 ppm
Hydrogen Sulfide (H₂S)	Electrochemical	0~30 ppm	5 ppm	10 ppm	0.1 ppm
Hydrogen Sulfide (H₂S)	Electrochemical	0~100 ppm	10 ppm	15 ppm	0.1 ppm
Hydrogen Sulfide (H₂S)	Electrochemical	0~500 ppm	30 ppm	200 ppm	0.1 ppm
Tetramethylsilane (4MS)	Electrochemical	0~20 ppm	5 ppm	10 ppm	0.1 ppm
Diisopropylaminosilane (DIPAS)	Electrochemical	0~20 ppm	5 ppm	10 ppm	0.1 ppm
Tetraethyl Orthosilicate (TEOS)	Electrochemical	0~30 ppm	5 ppm	10 ppm	0.1 ppm
Carbonyl Sulfide (COS)	Electrochemical	0~100 ppm	15 ppm	30 ppm	0.1 ppm
Trimethylaluminum (TMA)	Electrochemical	0~20 ppm	5 ppm	10 ppm	0.1 ppm
Silane (SiH₄)	Electrochemical	0~15 ppm	2.5 ppm	5 ppm	0.1 ppm
Ammonia (NH₃)	Electrochemical	0~100 ppm	12.5 ppm	25 ppm	0.1 ppm
Propylene (C₃H₆)	Catalytic	0~100 %LEL	12.5 %LEL	25 %LEL	0.1 %LEL
Deuterium (D₂)	Catalytic	0~100 %LEL	12.5 %LEL	25 %LEL	0.1 %LEL
Isobutylene (C₄H₈)	Catalytic	0~100 %LEL	12.5 %LEL	25 %LEL	0.1 %LEL
Methane (CH₄)	Catalytic	0~100 %LEL	12.5 %LEL	25 %LEL	0.1 %LEL
Hydrogen (H₂)	Catalytic	0~100 %LEL	12.5 %LEL	25 %LEL	0.1 %LEL
Hydrogen (H₂)	Electrochemical	0~1000 ppm	250 ppm	500 ppm	0.1 ppm
Acetylene (C₂H₂)	Catalytic	0~100 %LEL	12.5 %LEL	25 %LEL	0.1 %LEL
Ethylene (C₂H₄)	Catalytic	0~100 %LEL	12.5 %LEL	25 %LEL	0.1 %LEL
Disilane (Si₂H₆)	Electrochemical	0~15 ppm	2.5 ppm	5 ppm	0.1 ppm
BTBAS	Electrochemical	0~50 ppm	12.5 ppm	25 ppm	0.1 ppm
BDEAS	Electrochemical	0~6 ppm	1 ppm	2 ppm	0.1 ppm
3DMAS	Electrochemical	0~100 ppm	15 ppm	30 ppm	0.1 ppm
Methane (CH₄)	IR	0~100 %LEL	12.5 %LEL	25 %LEL	0.1 %LEL
Hydrogen Peroxide (H₂O₂)	Electrochemical	0~20 ppm	3 ppm	5 ppm	0.1 ppm
Phosphine (PH₃)	Electrochemical	0~1.2 ppm	0.15 ppm	0.30 ppm	0.01 ppm
Carbon Dioxide (CO₂)	IR	0~5 %Vol	0.5 %Vol	1.0 %Vol	0.1 %Vol
Carbon Dioxide (CO₂)	IR	0~5000 ppm	800 ppm	1000 ppm	1 ppm
Arsine (AsH₃)	Electrochemical	0~1 ppm	0.05 ppm	0.10 ppm	0.01 ppm
Diborane (B₂H₆)	Electrochemical	0~0.4 ppm	0.05 ppm	0.10 ppm	0.01 ppm
Germane (GeH₄)	Electrochemical	0~5 ppm	2 ppm	5 ppm	0.1 ppm
VOC	PID	0~1000 ppm	50 ppm	100 ppm	0.1 ppm
VOC	PID	0~20 ppm	5 ppm	10 ppm	0.1 ppm
VOC	PID	0~40 ppm	10 ppm	20 ppm	0.1 ppm