COSMOS PD-12IIC Gas detection unit with concentration display function (Flammable gases: 0-100vol%)

Detection Method: Pump suction 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 or fault contact *1 : 1a dry contact / automatic reset (rated load AC250V 0.5A or DC30V 0.5A (resistive load))

Gas Concentration Display: LED display: 4-digit digital display

How To Operate: Four magnetic switches

Explosion-Proof Structure: Ex db IIB+H2 T4 Gb※2

Protection Class: IP65

Compatible Cables: Cable outer diameter: Ø11-15mm; 6-core shielded cable: CVV- S1.25mm² or 2.0mm²

Operating Temperature And Humidity Range *3: Temperature: -10~+50℃ Humidity: 10~90%RH (0~50℃)

Power Supply Used: DC24V (±20%)

Power Consumption: Max 7.5W

Size: W133 x H289 x D132mm (excluding protrusions)

Weight: Approximately 5.2kg

Option: Flow rate drop detection function (alarm when flow rate is below 0.3 L/min)

*1 Gas alarm contacts are standard. Specifications are required if using them as fault contacts.

*2 ATEX explosion-proof certification is obtained as an international explosion-proof standard (specifications required).

*3 No rapid changes in temperature and humidity, and no condensation.

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.

Flow rate drop detection function (optional).

Waterproof/dustproof structure

Hydrogen explosion-proof specifications