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Note: Detective Net Wireless Modules (sold separately) are required to create a wireless network using two or more Detective+ units.
Part of Crowcon's range of gas detection equipment, the Detective+ is an innovative tool suitable for measuring methane and oxygen concentration in a wide variety of different applications.
Consisting of a raised detector attached to a sturdy metallic fixed frame, the Detective+ is rugged, reliable and provides accurate measurements of gas concentration. When values that exceed thresholds are detected the Detective+ emits an extremely loud, 104dB alarm and also shines bright LED indicators all around its body, making it easy to spot problems.
By using multiple Detective+ units (up to 25) it is possible to configure a comprehensive wireless network of detectors that transmit their data from one unit to the next. This networking (which requires wireless modules - sold separately) allows the units to be up to 100m away from each other with no wires and causes all units to sound alarms and shine LED indicators when a problem is detected. The problem can then be traced to the applicable unit and corrective action can be taken against the gas detected.
The video below shows how the wireless networking capabilities of this instrument can be used.
The applications for this networking are vast; why not, for example, place one inside a dangerous confined space to constantly monitor gas build-up from a safe area outside the space? Alternatively, why not place the Detective+ units around an offshore installation for constant monitoring of methane content?
|Size||640 x 455 x 455mm (25.2 x 17.9 x 17.9inches)|
|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 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|
|Expected Sensor Life||Flammable 5 years, toxic 3 years, 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||EN50014, EN50018, EN50020, EN50104, EN45544, IEC60079-0/-1 IEC60079-11|
|EMC||EN 50270, FCC CFR47 Part 15|
|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|
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