Crowcon Detective + Transportable Area Monitor

  • Crowcon Detective + Transportable Area Monitor
  • Crowcon Detective + Transportable Area Monitor
  • Crowcon Detective + Transportable Area Monitor
  • Crowcon Detective + Transportable Area Monitor

Item #
High Capacity 60 Hour Battery
Detective Plus Sensor Modules
Detective Plus IR Sensor Modules
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Detective + Transportable Area Monitor by Crowcon

Detective+ is a multi-gas temporary area monitor for use in turnaround/shutdown procedures, hotwork maintenance, confined space entry work and many other utility, construction and oil and gas industry applications. Go solo or link together using Detective Net or cables to form a perimeter, Detective+ gives a loud and clear alarm providing effective warning of gas hazards. The rugged, water and impact resistant design make Detective+ the ideal choice for your transportable gas detection needs.

Versatile and user friendly

  • Infrared sensors available - Allows sampling of highly flammable gas levels and carbon dioxide Unaffected by poisoning and has a very fast response time
  • Built in pump option - Provides sampling versatility
  • Built-in display - Provides clear information, allows identification of gas hazard

Rugged, tripod design

  • Raised sensor apertures - Prevents water ingress
  • Triple leg design - Increases unit physical visibility and is the perfect height to allow 360 gas inlet
  • Folding leg option - Allows stacking for easier storage and transportation
  • IP65 specifications - Provides excellent sensor protection for use in challenging environments

Loud and clear alarms

  • Network ready - Detective NET 25 units: 25 units can be networked together forming effective perimeter defence. When one alarms, all units on the network alarm. Detective+ with cables 12 units
  • Intelligent & flexible - Units on the network can be placed up to 100m from each other. When in alarm the unit which triggered the alarm flashes faster than the others
  • Audible and visible confidence blip - Provides guarantee to the user that the unit is functioning properly and that they are protected
  • High visibilty - Vivid red LED clusters combine with an extra loud siren to give very clear alarm notifications
  • Multiple beacons - Ensures 360° visibility

Detective+ Specifications:
Size 640 x 455 x 455mm (25.2 x 17.9 x 17.9ins)
Weight 7.5kg (19lbs)
Visible 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
Audible alarms Wailing, 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 Standard 6V, 7.2Ah, sealed lead acid battery pack
Optional 6V, 12Ah high capacity pack
Battery life Up to 36 hours with 7.2Ah battery
Up to 60 hours with optional 12A battery
Typical response times Methane 20s, oxygen 10s, typical toxic gas 20s, IR 20s
Expected sensor life Flammable 5 years, toxic 3 years (typical), oxygen 2 years minimum, IR>5 years
Operating temperature range -20°C to +50°C (-4°F to 122°F)
Humidity 0-95% RH non-condensing
Approvals Europe: ATEX II 2G EEx ib d IIC T4
International: IECEx EEx ib d IIC T4
Standards EN 50014: 1997 + A1 & A2; EN 50018: 2000: EN 55011: 1998; DD ENV 50204:1999:EN 61010-1: 2001; EN50020: 2002: IEC 60079-0: 2000, IEC 60079-1: 2003: IEC 60079-11: 1999
Ingress protection IP65
EMC EN 50270, FCC CFR47 Part 15, Directive 2014/30/EU EN50270
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
Accessories Baffle plate, interconnecting leads, RS232 communications lead, Detective NET
Sampling Internal electric sampling pump option, manual aspiration
Linked Detectives With cable connection, up to 12 units can be linked to provide perimeter or area monitoring With Detective NET , up to 25 units can be linked to provide perimeter or area monitoring

Gases and Ranges:
Typical Alarm
Flammable gas
0-100 LEL
20% LEL
Oxygen (O2)
19% & 23%
Hydrogen sulphide (H2S)
Carbon monoxide (CO)
Sulphur dioxide (SO2)
Chlorine (Cl2)
Nitrogen dioxide (NO2)
Phosphine (PH3)
Ammonia (HN3)
Ammonia (NH3)
Hydrogen (non-flammable levels)
Hydrogen cyanide (HCN)
Hydrogen chloride (HCl)*/+
Chlorine dioxide (ClO2)+
Hydrogen fluoride (HF)+
Ethylene oxide (C2H4O)*
Volatile organic*/+
Flammable gas
0-100% LEL
20% LEL
Flammable gas
0-100% v/v
Available for methane, propane, butane or ethylene
Carbon dioxide (CO2)
0 to 5% v/v
0.5 and 1.5% v/v