توان تجهیز دنا، تامین کننده ابزار دقیق و تجهیزات نفت، گاز و پتروشیمی
توان تجهیز دنا، تامین کننده ابزار دقیق و تجهیزات نفت، گاز و پتروشیمی
Part number: 55000-600APO
Origin: UK
توان تجهیز دنا
| Specification | Details |
|---|---|
| Detection principle | Photo-electric detection of light scattered in a forward direction by smoke particles |
| Chamber configuration | Horizontal optical bench housing an infrared emitter and sensor arranged radially to detect scattered light |
| Sensor | Silicon PIN photo-diode |
| Emitter | GaAs infra-red light emitting diode |
| Sampling frequency | Once per second |
| Sensitivity | Nominal response threshold value of 0.12 dB/m when measured in accordance with EN 54-7 |
| Supply Wiring | Two wire supply, polarity insensitive |
| Terminal functions | L1 & L2 Loop in & out positive, +R Remote indicator positive connection (internal 2.2 kΩ resistance to supply +ve), –R Remote indicator negative connection (internal 2.2 kΩ resistance to supply -ve) |
| Supply voltage | 17 V to 28 V dc |
| Digital communication | XP95, Discovery and CoreProtocol compatible |
| Quiescent current | 340 µA |
| Power-up surge current | 1 mA for 1 second |
| Alarm indicator | Clear light emitting diode (LED) emitting red light |
| Alarm LED current | 4 mA |
| Remote LED current | 5 mA maximum |
| Storage temperature | -30°C to +80°C |
| Operating temperature | -20°C to + 60°C |
| Humidity | 0% to 95% RH (no condensation or icing) |
| Effect of atmospheric pressure | Unaffected |
| Effect of wind speed | Unaffected by wind |
| Vibration, impact and shock | EN 54-7 |
| IP Rating | IP44 |
| Standards and approvals | EN 54, CPR, LPCB, VdS, BOSEC, SBSC, CCMG, FG |
| Dimensions | 100 mm diameter x 42 mm height |
| Weight | 105 g |
| Materials | Housing: White flame-retardant polycarbonate, Terminals: Nickel plated stainless steel |
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