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Detection method: Diffusion type
Detection principle: Gas heat conduction type
Target gas: Hydrogen, helium, carbon dioxide, etc.
Representative Detection Range: 0-100 vol%
Alarm Setting Value: Depending on the specifications
Alarm Accuracy: Flammable gases: ±25% of the alarm setting under the same conditions.; Toxic gases: ±30% of the alarm setting under the same conditions.
Delayed Warning: Flammable gases: Within 30 seconds with gas at 1.6 times the alarm setting concentration.; Toxic gases: Within 60 seconds with gas at 1.6 times the alarm setting concentration.
Alarm Display: Gas alarm: Red LED light flashes; Trouble alarm: Yellow LED light flashes (Sensor disconnection, sensor zero drop, power supply voltage abnormality, etc.)
External Output: Gas concentration analog signal: DC 4-20mA (common to the negative terminal of the power supply); Gas alarm contact: 1a dry contact / automatic reset (rated load AC 250V 0.5A or DC 30V 0.5A (resistive load))
Gas Concentration Display: LED display: 4-digit digital display
How To Operate: Four magnetic switches
Explosion-Proof Structure: Ex db II C T5 Gb
Protection Class: IP65 (excluding sensor)
Compatible Cables: Cable outer diameter: Ø10-13 mm; 5-core shielded cable: CVV-S 1.25 mm²; 3-core shielded cable: CVV-S 2 mm² or 1.25 mm²
Operating Temperature And Humidity Range *2: Temperature: -10~+50℃ Humidity: 10~90%RH (0~50℃)
Power Supply: DC24V (±20%)
Power Consumption: Max 3W
Size: W187×H116×D68mm (excluding protrusions)
Mass: Approximately 1.2kg
*1 Ambient temperature is assumed to be 20±2℃.
*2 Avoid sudden changes in temperature and humidity, and ensure no condensation occurs.
*3 More products to be added to the lineup soon.
Features
With concentration and alarm display functions, the gas concentration and alarm status can be seen at a glance on-site, helping to ensure the safety of workers.
During maintenance, the output can be checked at the detection unit, and calibration can be performed by one person, leading to cost reductions.
The adjustment system uses a magnetic stick, making maintenance easy.
Waterproof and dustproof structure (protection class IP65)
Hydrogen/acetylene explosion-proof structure (Ex db ⅡC T5 Gb)
