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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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