Crowcon Detective Plus Transportable Area Monitor

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Crowcon Detective Plus Transportable Area Monitor

  • Portable area gas monitor for combustible, oxygen, and toxic gas detection.
  • Designed for temporary and continuous area monitoring applications.
  • Rapid deployment for industrial, remote, and hazardous environments.
  • Suitable for both single-area monitoring and large perimeter protection.
  • Up to 12 units can be interconnected for wider area coverage.
  • Product discontinued from 28th November 2025.
  • Recommended replacement: Crowcon DetectiveIQ.

Key Features

  • Rugged tripod design for harsh environments.
  • Continues operating even if accidentally overturned.
  • High-impact, fire-retardant, UV-stabilized ABS construction.
  • Large high-contrast LCD display with backlight.
  • Two-line display with 24 characters per line.
  • Fast deployment and easy relocation between work areas.
  • Optional automatic sampling pump available.
  • Manual aspirator available for spot sampling.

Gas Detection Capabilities

  • Combustible gas detection.
  • Oxygen (O₂) monitoring.
  • Toxic gas detection.
  • Supports electrochemical sensors.
  • Supports catalytic flammable gas sensors.
  • Supports thermal conductivity sensors.
  • Optional infrared sensors for flammable gases.
  • Optional infrared carbon dioxide (CO₂) sensors.
  • Poison-immune infrared sensor options available.

Alarm & Status Indicators

  • 104 dBA omnidirectional audible alarm at 1 meter.
  • Three high-intensity red beacon lights.
  • 360° visual alarm indication.
  • Slow flashing green LED indicates normal operation.
  • Fast flashing green LED indicates low battery condition.
  • Linked units automatically duplicate alarm conditions.
  • Alarm flash rates help identify the detector closest to the hazard.

Battery Performance

  • Up to 36 hours operation with 7.2 Ah battery.
  • Up to 60 hours operation with optional 12 Ah battery pack.
  • Rechargeable battery system.
  • Charging must be carried out in safe areas only.

Network & Connectivity

  • Up to 12 Detective Plus units can be linked together.
  • Standard interconnecting cable length: 10 meters.
  • Optional cable lengths available up to 100 meters.
  • Suitable for perimeter monitoring and area-wide protection.

Data Logging

  • Adjustable data logging sample rates.
  • Up to 100 hours of logging at 1-minute intervals.
  • Maximum 6000 data points per channel.
  • Downloadable data for analysis and reporting.

Technical Specifications

  • Ingress Protection: IP65.
  • Approvals: ATEX, CSA, IECEx.
  • Dimensions: 64 x 45.5 x 45.5 cm.
  • Weight: 7.5 kg.
  • Country of Origin: United Kingdom.

Applications

  • Oil & Gas facilities.
  • Petrochemical plants.
  • Industrial maintenance projects.
  • Confined space monitoring.
  • Temporary area monitoring.
  • Construction and shutdown operations.
  • General industrial safety applications.

Benefits

  • Fast and simple deployment.
  • Flexible gas sensor configurations.
  • Reliable operation in harsh environments.
  • Highly visible audible and visual alarms.
  • Scalable monitoring through interconnected units.
  • Easy transportation and storage with folding leg options.
Part Number Description
Detective Net
C01360-1 Detective NET 433MHz (with 0.7M of cable)
Detective Plus Non-pumped
DP-AAAGCNCS-D001-A4 gas – CH4 % LEL, O2, H2S, CO (H2 filtered), non-pumped, standard battery with rigid legs, English ATEX
DP-AAAGCNCS-F001-A4 gas – CH4 % LEL, O2, H2S, CO (H2 filtered), non-pumped, extended battery with rigid legs, English ATEX
DP-AAAGCNCS-D001-C4 gas – CH4 % LEL, O2, H2S, CO (H2 filtered), non-pumped, standard battery with folding legs, English ATEX
DP-AAAGCNCS-F001-C4 gas – CH4 % LEL, O2, H2S, CO (H2 filtered), non-pumped, extended battery with folding legs, English ATEX
DP-AACNCSAG-E002-C4 gas – CH4 % LEL, O2, H2S, CO (H2 filtered), non-pumped, extended battery with folding legs, USA UL
DP-AACNAJCH-E002-A4 gas – CH4 % LEL, H2S, SO2, VO, non-pumped, extended battery with rigid legs, USA UL
DP-BUAGCNCS-F007-A4 gas – PROP % LEL, O2, H2S, CO (H2 filtered), non-pumped, extended battery with rigid legs, DUTCH ATEX
DP-AAAGCNZZ-D001-A3 gas – CH4 % LEL, O2, H2S, non-pumped, standard battery with rigid legs, English ATEX
DP-AAAGCNZZ-F001-A3 gas – CH4 % LEL, O2, H2S, non-pumped, extended battery with rigid legs, English ATEX
DP-AAAGCNZZ-D003-A3 gas – CH4 % LEL, O2, H2S, non-pumped, standard battery with rigid legs, French ATEX
DP-AAAGCSZZ-D001-A3 gas – CH4 % LEL, O2, CO (H2 filtered), non-pumped, standard battery with rigid legs, English ATEX
DP-AAAGCNCS-E002-A4 gas – CH4 % LEL, O2, CO (H2 filtered), H2S, non-pumped, extended battery with rigid legs, USA UL
DP-AAAGZZZZ-D001-A2 gas – CH4 % LEL, O2, non-pumped, standard battery with rigid legs, English ATEX
DP-AACNZZZZ-D001-A2 gas – CH4 % LEL, H2S, non-pumped, standard battery with rigid legs, English ATEX
DP-ADAGZZZZ-D001-A2 gas – BUT % LEL, O2, non-pumped, standard battery with rigid legs, English ATEX
DP-AACNZZZZ-F001-A2 gas – CH4 % LEL, H2S, non-pumped, extended battery with rigid legs, English ATEX
DP-AAZZZZZZ-D001-A1 gas – CH4 % LEL, non-pumped, standard battery with rigid legs, English ATEX
DP-AAZZZZZZ-F001-A1 gas – CH4 % LEL, non-pumped, extended battery with rigid legs, English ATEX
DP-ADZZZZZZ-D001-A1 gas – BUT % LEL, non-pumped, standard battery with rigid legs, English ATEX
DP-CNZZZZZZ-D001-C1 gas – H2S, non-pumped, standard battery with folding legs, English ATEX
Detective Plus Pumped
DP-AACNCSAG-D001-B4 gas – CH4 % LEL, O2, H2S, CO (H2 filtered), pumped, standard battery with rigid legs, English ATEX
DP-AAAGCNCS-F001-B4 gas – CH4 % LEL, O2, H2S, CO (H2 filtered), pumped, extended battery with rigid legs, English ATEX
DP-AAAGCNCS-F001-D4 gas – CH4 % LEL, O2, H2S, CO (H2 filtered), pumped, extended battery with folding legs, English ATEX
DP-AACNAGZZ-D001-B3 gas – CH4 % LEL, O2, H2S, pumped, standard battery with rigid legs, English ATEX
DP-AACNAJZZ-D001-D3 gas – CH4 % LEL, H2S, SO2, pumped, standard battery with folding legs, English ATEX
DP-ADCNCHZZ-F001-B3 gas – BUT % LEL, H2S, VO, pumped, extended battery with rigid legs, English ATEX
DP-AAAGZZZZ-F001-B2 gas – CH4 % LEL, O2, pumped, extended battery with rigid legs, English ATEX
DP-ADCHZZZZ-F001-B2 gas – BUT % LEL, VO, pumped, extended battery with rigid legs, English ATEX
DP-ACAGCNCS-D001-B4 gas – PENT % LEL, O2, H2S, CO (H2 filtered), pumped, standard battery with rigid legs, English ATEX
Detective Plus IR Non-pumped
DP-BJAGZZZZ-D019-A2 gas – Flam IR CH4 % LEL, O2, non-pumped, standard battery with rigid legs, French ATEX
DP-BJAGCNCS-E056-A4 gas – Flam IR CH4 % LEL, O2, H2S, CO (H2 filtered), non-pumped, extended battery with rigid legs, USA UL
DP-BJCNCSAG-E056-B4 gas – Flam IR CH4 % LEL, O2, H2S, CO (H2 filtered), pumped, extended battery with folding legs, USA UL
DP-BJZZZZZZ-D018-A1 gas – Flam IR CH4 % LEL, non-pumped, standard battery with rigid legs, English ATEX
DP-BKAGZZZZ-D001-A2 gas – Dual Range IR CH4 % LEL & % VOL, O2, non-pumped, standard battery with rigid legs, English ATEX
Detective Plus IR Pumped
DP-BJCNCSAG-D001-B4 gas – Flam IR CH4 0-100% LEL, O2, H2S, CO (H2 filtered), pumped, standard battery with rigid legs, English ATEX
DP-BKAGCNZZ-D001-B3 gas – Dual Range IR CH4 % LEL & % VOL, O2, H2S, pumped, standard battery with rigid legs, English ATEX
Detective Plus Sensor Modules
CH4DP0-100% LEL Methane
C3H8DP0-100% LEL Propane
C5H12DP0-100% LEL Pentane
C4H10DP0-100% LEL Butane
C2H4DP0-100% LEL Ethylene
H2DP0-100% LEL Hydrogen
FLAMDPUSA0-100% LEL Flammable Gas (USA alarms UL approval specify calibration)
FLAMDPAUS0-100% LEL Flammable Gas (AUS alarms specify calibration)
CH4DPDRLEL0-100% LEL Methane for dual range %LEL/%VOL units
CH4DPDRVOL0-100% Vol. Methane for dual range %LEL/%VOL units
O2DP0-25% Oxygen – 2 year sensor
H2SDP0-50ppm Hydrogen Sulphide
H2SDPUSA0-50ppm Hydrogen Sulphide (US alarms, UL approval)
H2SDPAUS0-50ppm Hydrogen Sulphide (AUS alarms)
SO2DP0-10ppm Sulphur Dioxide
H2DPPPM0-2000ppm Hydrogen
NODP0-100ppm Nitric Oxide
NO2DP0-10ppm Nitrogen Dioxide
CL2DPUK0-5ppm Chlorine (UK alarm levels)
CL2DP0-5ppm Chlorine
HCLDP0-10ppm Hydrogen Chloride
HCNDP0-25ppm Hydrogen Cyanide
NH3DP0-50ppm Ammonia
NH3DP10000-1000ppm Ammonia
CLO2DP0-1ppm Chlorine Dioxide
PH3DPUK0-2ppm Phosphine (UK alarm levels)
H2SDP10000-1000ppm Hydrogen Sulphide
PH3DP0-2ppm Phosphine
ASH3DP0-1ppm Arsine
VODP0-100ppm Volatile Organics
ETODP0-10ppm Ethylene Oxide
HFDP0-10ppm Hydrogen Fluoride
F2DP0-10ppm Fluorine
H2DPEC0-4% Hydrogen Electrochemical

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