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主营：DURAG光学烟尘浓度测量仪、DURAG除尘过滤系统监测仪、DURAG烟尘体积流量测量仪、DURAG烟尘排放计算和数据处理系统
DURAG 单元 D-UG 660
DURAG 单元 D-UG 660产品介绍
高要求的控制单元，可与光学火焰传感器组合使用。用于监测天然气、石油和煤的火焰，包括在复杂的多燃烧器工厂中。
功能：光学火焰监测
| Operating mode | Intermittent operation and continuous operation |
|---|---|
| Functional Safety | Self-monitoring and fail-safe, supports safety chains up to SIL 3 |
| Switching threshold | Flame intensity (100 steps) |
| Local display | Alphanumeric LC display |
| Number of flame sensors that can be connected | Max. 2 |
| Flame failure detection time (FFDT) | 1 … 5.5 s (in increments of 0.5 s) |
| Combinations of switching threshold and safety time that can be preset | 3 |
| Flame ON/OFF contacts | 1x NO contact, 1x NC contact |
| Ready for operation contacts | 1x NO contact, 1x NC contact |
| Switching capacity of relay contacts | Max. 250 VAC, 2 A |
| Analogue outputs | 2x 0/4 … 20 mA (adjustable), load max. 750 Ohm |
| Electrical data | 24 VDC, PELV; 115/230 VAC; 20 W |
| Ambient conditions | -20 … +60 °C |
| Degree of protection | IP00 |
| Dimensions | 19″ plug-in, 3 RU, 1 HP |
| Weight | Approx. 1 kg |
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