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Detection Method: Diffusion type
Detection Principle: Galvanic cell type
Target Gas & Representative Detection Range: oxygen: 0–25.0 vol%
Alarm Setting Value: Depending on the specifications
Alarm Accuracy: Under the same conditions, within ±1.0 vol% of the alarm setting value.
Delayed Warning: It takes less than 5 seconds for a concentration of 10 vol% to reach 18 vol% .*1
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: 0~+40℃; Humidity: 30~85%RH
Power Supply: DC24V (±20%)
Power Consumption: Max 1.2W
Size: W187×H120×D68mm (excluding protrusions)
Mass: Approximately 1.3kg
*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)
