Designed for group protection, area monitoring and providing a virtual fenceline, Detective+ is a rugged, interconnectable, multigas temporary area monitor. Building on Crowcon's experience in pioneering this category of detector, Detective+ has earned a reputation for reliability and versatility in demanding environments stretching from offshore platforms to the sands of the Middle East.

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Quick Overview

Overview

Rugged and robust, Detective+ features either fixed or folding legs and a protective frame that allows stacking for easier storage.

New! Detective+ is now wireless.
Detective Wireless is a wireless module that gives you up to 100 meters range excluding the use of cables.

The Detective Wireless modules can also be used as a repeater giving you a stronger signal in those areas that are built up and that have issues with signal strength.

Detective Wireless is backwards compatible enabling use with all version of Detective and Detective+, so it can be used on your existing fleet. Find out more.

Available with an optional internal pump for sampling versatility, alarms are announced with an extremely loud sounder, while multiple beacons ensure 360 degree visibility.

Detective+ may now also be equipped with infra-red (IR) sensors, providing either CO₂ detection, or allowing higher levels of flammable gas monitoring. IR sensors also provide immunity to the poisoning effects which standard flammable gas sensors can suffer from. This extends sensor life and further increases measurement confidence in tough applications such as water treatment plants and certain chemical or hydrocarbon processing facilities.

Versatile and user friendly

Infrared sensors available - allows sampling of highly flammable gas levels and carbon dioxide. They are also unaffected by poisoning
Built-in pump option - provides fast response and extra sensor protection, and sampling versatility
Clear display - provides clear information and allows indentification of gas hazard

Rugged, tripod design

Raised sensor apertures - prevents water ingress
Folding or fixed leg options - allows stacking for easier storage and transportation
IP65 specifications - provides excellent sensor protection

Loud and clear alarms

25 Detective+ units may be linked together, up to 100m from adjacent units - all linked Detective+ units indicate an alarm sensed by any one unit
Units sending an alarm flash faster - provides effective warning of gas hazards
Audible and visual confidence blip
Vivid red LED clusters for visual alarm
Multiple beacons - ensures 360⁰ visibility

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Details

Size	640 x 455 x 455mm (25.2 x 17.9 x 17.9ins)
Weight	7.5kg (19lbs)
Alarms	Three large, top mounted red LED clusters and a single red LED on control panel. Alarm mode: LED clusters flash in quick succession. LED clusters of linked Detectives repeating the alarm, flash slower than LED lights on those Detectives sensing the hazard Normal working: Slow flashing green LED Battery low: Rapid flashing green LED Wailing alarm, omni-direction siren, 104 dBA at 1m
Display	High contrast LCD with back light. 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.
Battery	125hrs at 10-second intervals (45,000 logs)
Event logging	Alarm, over range, calibration, bump, on/off, TWA, 1000 events
Battery	Standard 6V, 7.2Ah, sealed lead acid battery pack Optional 6V, 12Ah high capacity pack Up to 36 hours with flammable/ CO2 sensor fitted with 7.2Ah battery Up to 60 hours with optional 12Ah battery pack
Typical response times	Methane 20s, oxygen 10s, typical toxic gas 20s, IR 20s
Operating temperature	-20°C to +50°C (-4°F to 122°F)
Expected sensor life	Flammable 5 years, toxic 3 years, oxygen 2 years minimum, IR>5 years
Humidity	0-95% RH non-condensing
EMC	EN 50270, FCC CFR47 Part 15
Ingress protection	IP65
Approvals	Europe: ATEX II 2G EEx ib d IIC T4 International: IECEx EEx ib d IIC T4
Standards	EN50014, EN50018, EN50020, EN50104, EN45544, IEC60079-0/-1 IEC60079-11
PC Interface	Via RS232 lead. Portables PC software can be used to set alarms, clock, datalogging interval and password, manages datalogging giving graphical display of instrument log file and allows to export to spreadsheet.
Calibration	Quick calibration using internal menu command, Portables PC or the Crowcon CheckBox IMH management system
Accessories	Baffle plate, interconnecting leads, RS232 communications lead
Sampling	Internal electric sampling pump option, manual aspiration
Linked Detectives	Up to 12 units can be linked to provide perimeter or area monitoring