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: DP-0141
Infra-red sensors available – allows sampling of potentially high – flammable gas levels and CO2 – infra-red sensors are unaffected by – poisoning
توان تجهیز دنا
| Weight | 7.5 kg (19lb) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dimensions | 640 h x 455 w x 455 d mm (25.2 x 17.9 x 17.9 inches) |
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| Typical measuring ranges and alarm settings (up to four gas measurement channels) |
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| Infrared Sensors | Infrared sensors for flammable gas can be supplied as a single range, 0-100% LEL, utilising a single display channel, or as a dual range, 0-100% LEL/0-100% volume, which then occupies two display channels. CO2 sensors are supplied as 0-2% volume. Only one IR sensor can be fitted, and IR sensors can only be used in combination with oxygen and toxic sensors
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| Typical response times | Methane 20 s, Oxygen 10 s, typical toxic gas 20 s, IR 30 s | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expected sensor life | Flammable 5 years, Toxic 3 years, Oxygen 2 year minimum, IR >5 years | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Audible alarms | Wailing, omni-directional siren, 104 dBA @ 1 metre. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Visible alarms | Three large, top-mounted red LED clusters and single red LED on control panel. In alarm mode LED clusters flash in quick succession LED clusters of linked Detectives repeating the alarm, flash more slowly than LED lights on those Detectives sensing the hazard. Slow flashing green LED indicates normal working. Rapid flashing green LED indicates low battery. |
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| Display | High contrast LCD with back light 2 lines of 24 characters. Values and units for up to 4 gases displayed simultaneously at current, TWA or peak levels. Low battery, real time and elapsed time, calibration and configuration data also displayed | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Datalogging | Adjustable sample rate, 100 hours @ 1 minute sample rate (maximum 6000 data points per channel) Logging of events, user and site data |
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| Menu | Operating menu allows access to setting up of instrument operation Log Menu allows selection of Users and Sites from predefined lists, marking the log file with an event, and start or stop of data logging Configuration Menu allows selection of display and alarm modes, setting of alarms, zero and calibration, and selection of flammable gas correction factors from predefined list . |
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| Battery | 6 V, 7.2 Ah Sealed lead acid battery pack Optional 6V, 12Ah high capacity pack |
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| Battery life | Standard instrument: Up to 36 hours assuming flammable/CO2 sensor fitted with 7.2Ah battery. Up to 60 hours with optional 12Ah battery pack |
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| Battery charging | Built-in battery charging circuit, dual rate 100 – 120 VAC and 200 – 250 V AC Input options available. (Safe Area operation only) Typical charge time: 12 hours |
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| Operating Temperature range | -20c to +40c | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Humidity | 0 – 95% RH non condensing | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Approvals | Europe : ATEX II 2G EEx ib d IIC T4 USA and Canada : Class 1 Division 1 Groups A, B, C, D (Pending) |
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| Standards | EN50014, EN50020, 94/9/EC UL913 and CSA 22.2 |
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| Ingress protection | IP65 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EMC | EN 50270 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| PC Interface | Detective+ has an in-built PC interface, which can be connected to the serial port of a computer using the optional RS232 lead. Portables PC software can be used to set alarms, clock, datalogging interval and password. Portables PC also controls datalogging, giving graphical display of instrument log file and allows file export to spreadsheet. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Calibration | Detective+ can be routinely calibrated quickly using its internal menu command, Portables PC or the Crowcon CheckBox IMH management system | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accessories | Baffle plate (to protect sensors) Interconnecting lead – 10 m standard, longer lengths up to 100m available Computer lead – RS232 serial link |
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| Linked Detectives | Up to 12 units can be linked to provide perimeter or area monitoring |
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