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This version of the Crowcon Detective+ comes with equipped with an infrared (IR) sensor, allowing it to measure methane (CH4), oxygen (O2), hydrogen sulphide (H2S) and carbon monoxide over a wider measurement range. The IR sensor is also immune to poisoning effects that standard flammable gas sensors can suffer from.
Ideal for use in everywhere from confined spaces to offshore platforms, the Crowcon Detective+ constantly monitors the environment to detect rises/falls in gas content and will alert the user to this happening by using a loud, 104dB alarm and clustered LED indicators all over the instrument's body.
You can use just one of the Detective+ units to monitor gasses, but the instrument really comes into its own when used with a Detective Net Wireless Module (sold separately) and another Detective+. By doing this, data can be transmitted wirelessly up to 100m away to the other instrument, creating a comprehensive gas monitoring network where each attached Detective+ sounds alerts simultaneously (ideal for quickly finding problems!). Up to 25 Detective+ instruments can be connected in this way.
The following video outlines the ways in which this function can be used.
The Detective+ is also ATEX approved for protection against accidental combustion and comes with either pumped/non-pumped sensor (choose which you'd prefer when ordering this product).
|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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