COSMOS KD-12IIR Gas detection unit with concentration display function (CH₄: 0-100%LEL)

Detection Method: Diffusion type

Detection Principle: Non-dispersive infrared type

Target Gas & Representative Detection Range: Methane (propane, carbon dioxide) *3; Methane: 0-100% LEL

Alarm Setting Value: Depending on the specifications

Alarm Accuracy: Under the same conditions, ±25% of the alarm setting value

Delayed Warning: Within 30 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 2.2W

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)