Carry out area monitoring with the Crowcon Detective Plus monitor. Includes sensors for CH4 LEL, O2, CO-H2 and H2S.
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Crowcon’s Detective Plus monitor is an area monitor with sensors for LEL CH4, CO and H2S detection, as well as oxygen depletion and enrichment. This a pumped transportable area monitor with the option of a standard battery or an extended battery, and also an IR LEL sensor.
The Crowcon Detective Plus can be used as a standalone monitor or can create a wireless fence when used in conjunction with the Detective Net and other monitors (purchased separately). This particular version comes with rigid legs.
Range / Typical Alarm (UK)
0- 100% LEL / 20%
0-25% / 19/23.5%
Hydrogen sulphide (H2S)
0-1000ppm / 10ppm
Carbon monoxide-H2 compensated (CO-H2)
0-500ppm / 30 ppm
640 x 455 x 455mm (25.2 x 17.9 x 17.9ins)
Wailing, omni-direction siren, 104 dBA at 1m
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
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
Expected sensor life
Flammable 5 years, toxic 3 years, oxygen 2 years minimum, IR>5 years
Operating temperature range
-20OC to +50OC (-4OF to 122OF)
0-95% RH non-condensing
Europe: ATEX II 2G EEx ib d IIC T4 International: IECEx EEx ib d IIC T4
EN50014, EN50018, EN50020, EN50104, EN45544, IEC60079-0/-1 IEC60079-11
EN 50270, FCC CFR47 Part 15
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
Quick calibration using internal menu command, Portables PC or the Crowcon CheckBox IMH management system
Baffle plate, interconnecting leads, RS232 communications lead
Internal electric sampling pump option, manual aspiration
Up to 12 units can be linked to provide perimeter or area monitoring
Please note: we're currently facing high demand for all Facemasks and Filters. Our stock levels are changing constantly and we're working hard to fulfill demand where we can. This means that express delivery may not always be available and standard lead times may vary, however our Sales Team will be in touch to advise latest delivery timescales.
UK & Ireland Delivery Options
UK Mainland Standard Delivery on orders under £75 ex VAT - £7.95 ex VAT*UK Mainland Express Delivery - £21.50 ex VAT (timescales vary – please see delivery page)Highlands Delivery - £25.00 ex VATChannel Island Delivery - £40 ex VATNorthern Ireland & Republic of Ireland - £25 ex VATSaturday Delivery Options – Please contact us on 0141 771 7749 for more info
Standard delivery timescales are normally 3-5 working days, depending on stock availability. Express delivery is normally 1-3 working days, depending on stock availability. Although we carry an extensive stock, there may be some items that are unavailable due to quantities or otherwise. In this case we will inform you of the status of your order and whether or not it can be fulfilled within our standard delivery timeframe. *Mainland UK delivery excludes Northern Ireland, other charges apply.
Please visit our main delivery page for more terms and conditions or contact our Sales Team on 0141 771 7749 or [email protected] for more information. Currently, some manufacturers are facing production and delivery issues due to Brexit and custom clearance and this is affecting lead times of even some of our standard stocked items. We're trying our best to prevent these issues affecting orders but please be aware that there may be some delays. We are aiming to communicate this as best and as early as possible.
International Delivery Options
Delivery costs vary between countries. Please visit our main delivery page for more information.
Should you wish to cancel an order or return unwanted goods please follow the procedures detailed below to help us ensure cancellations/returns are processed as quickly and efficiently as possible.
Simply log on to your customer account, note the order reference number and email the full cancellation details to [email protected] or contact us on 0141 771 7749. Assuming the order has not been despatched we will cancel.
You have the right to cancel the purchase of goods without having to give a reason at any time within the “cooling off period” of fourteen working days, beginning the day after you take delivery of your order.
You must notify us of your cancellation in writing via email to [email protected] or to our contact address. (Details Here)
If you are in possession of the goods you are under the duty to retain them and take reasonable care of them.
You must send the goods back to us in their original condition to our contact address at your own cost (unless we delivered the item to you in error or the item is damaged or defective) as soon as possible once you have cancelled the contract.
Alternatively we will collect the goods from you which will incur a charge no greater than the actual cost of arranging the collection and shipping. In this case you must make the goods available for collection. We will contact you to make further arrangements.
We reserve the right to make a charge not exceeding our direct costs of recovering the goods if you do not return the goods or return them at our expense.
Upon receipt of returned items in satisfactory condition we will arrange a full credit by the same method used to pay for the goods originally. Any credit due will be processed within a maximum of thirty days.
Note: If you wish to return goods for refund or exchange after 14 days, a re-stocking fee of 20% of the full order total will apply.
If upon receipt of goods you find them to be faulty, damaged or if you have been incorrectly supplied an item, you should notify us within 24 hours by contacting 0844 500 0001 or [email protected] and quoting your order number and contact details.
Frontline Safety will arrange uplift of any damaged or wrongly received goods and if on inspection of goods we also find them to be damaged, faulty or incorrectly supplied, we will offer replacement goods or provide a full refund.
We recommend you inspect all goods prior to signing for and accepting delivery. If there is any visible damage to the outer packaging, ensure goods are sign for as damaged. In instances where it isn’t possible to sign for goods as damaged, these should be signed for as unexamined.
Note: If your goods happen to develop a fault out with the standard returns period but within supplied warranty period or if you require any additional assistance, please contact us on 0844 550 0001 or email [email protected]
All postage, handling, customs and duty charges for all returned goods are the responsibility of the customer. We recommend using a fully traceable, insured service as goods are your responsibility while in transit.