The KD-12 series of ATEX gas detectors is an aluminium cased lightweight and compact detector. |
Features
- Rugged, compact and lightweight.
- LED local display shows the gas concentration and alarm indication.
- Explosion-proof (ATEX, IECEx and TIIS approved).
- Water and dust-proof construction (IP65).
- All setup and maintenance can be performed easily on site by one person.
- The simple plug-in sensor module makes it easier.
- SIL2 certified model is available (KD-12B-SIL).
Gases
Detectable gases | |
---|---|
Combustible gas | CxHy |
Hydrogen | H2 |
Methane | CH4 |
Specifications / Approvals
Model | KD-12B-SIL |
---|---|
Detection Principle | Catalytic combustion |
Gas Detected | Combustible gas, Toxic gas |
Sampling Method | Diffusion |
Detection Range | As per specifications |
Alarm Set Value | As per specifications |
Alarm Accuracy | Combustible gas: ±25% of alarm set value |
Toxic gas: ±30% of alarm set value | |
Alarm Delay | Combustible gas: within 30s at 1.6 times of alarm set value |
Toxic gas: within 60s at 1.6 times of alarm set value | |
Alarms | Gas alarm: Red LED lamp flashes |
Trouble alarm: Yellow LED lamp flashes (sensor trouble, power voltagemalfunction etc.) | |
Output | Gas concentration analog signal |
・4-20mADC (common to the negative side of power supply) | |
Gas alarm contact (one stage only)*1 | |
・1a no-voltage contact output, Non-latching | |
・Rated load: 0.5A at 250VAC or 0.5A at 30VDC (resistance load) | |
Display | 4-digit digital LED display |
Operation | At 4 points of magnetic switches |
Approvals | Ex d IIC T5 (TIIS) |
II 2 G Ex db IIC T5 Gb (ATEX) | |
Ex db IIC T5 Gb (IECEx) | |
Degree of Protection | IP65 |
Functional Safety | ・SIL2 capable |
・Hardware Fault Tolerance: zero (0) | |
・Applicable standards: IEC 61508-2, EN 61508-2 and JIS C 0508-2 | |
Applicable Cabel | Cable out diameter: ø10-13mm |
5-conductor cable*1: CVV-S 1.25mm2 | |
3-conductor cable: CVV-S 2mm2 or 1.25mm2 | |
Operation Temperature | -10 to+50 °C |
/Humidity | 10 to 90 %RH (0 to 50 °C) |
Power Supply | 24 VDC (±20%) |
Power Consumption | 3W max. |
Dimensions | W158 x H116 x D68 mm (excluding protrusion) |
Weight | Approx. 1.2kg |
*1 Screwless type only
*2 No radical temperature or humidity changes and no condensing
*3 Specify when purchasing
*4 Under the condition of 20 ±2 C°
CE Declaration of Conformity
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